Medical equipment and supplies Inflation Data
Medical equipment and supplies Inflation Rate
Professional services in U.S. city average, all urban consumers, not seasonally adjusted
+2.49% YoY
Best YoY Inflation
-0.29%
December 2017
Donald Trump (1st Term) (Republican)
Worst YoY Inflation
+12.73%
January 1975
Gerald Ford (Republican)
Average YoY by Party
Democrat: +3.95%
Republican: +5.36%
Inflation Trend Over the Last 8 Years
Full Inflation History
| Date | Value | MoM | YoY | President | Party |
|---|---|---|---|---|---|
| March 2025 | 435.6 | +0.14% | +2.49% | Donald Trump (2nd Term) | Republican |
| February 2025 | 435.0 | +0.31% | +2.38% | Donald Trump (2nd Term) | Republican |
| January 2025 | 433.7 | -0.1% | +2.15% | Donald Trump (2nd Term) | Republican |
| December 2024 | 434.1 | +0.02% | +2.76% | Joe Biden | Democrat |
| November 2024 | 434.0 | +0.33% | +3% | Joe Biden | Democrat |
| October 2024 | 432.6 | +0.34% | +3.08% | Joe Biden | Democrat |
| September 2024 | 431.1 | +0.78% | +2.3% | Joe Biden | Democrat |
| August 2024 | 427.8 | -0.03% | +1.55% | Joe Biden | Democrat |
| July 2024 | 428.0 | +0.15% | +2% | Joe Biden | Democrat |
| June 2024 | 427.3 | +0.25% | +2.12% | Joe Biden | Democrat |
| May 2024 | 426.2 | +0.24% | +2.22% | Joe Biden | Democrat |
| April 2024 | 425.2 | +0.06% | +1.97% | Joe Biden | Democrat |
| March 2024 | 425.0 | +0.03% | +1.94% | Joe Biden | Democrat |
| February 2024 | 424.9 | +0.08% | +1.96% | Joe Biden | Democrat |
| January 2024 | 424.5 | +0.5% | +1.8% | Joe Biden | Democrat |
| December 2023 | 422.4 | +0.26% | +1.37% | Joe Biden | Democrat |
| November 2023 | 421.4 | +0.4% | +1.14% | Joe Biden | Democrat |
| October 2023 | 419.7 | -0.43% | +0.71% | Joe Biden | Democrat |
| September 2023 | 421.5 | +0.04% | +1.19% | Joe Biden | Democrat |
| August 2023 | 421.3 | +0.41% | +1.86% | Joe Biden | Democrat |
| July 2023 | 419.6 | +0.27% | +1.93% | Joe Biden | Democrat |
| June 2023 | 418.4 | +0.34% | +1.67% | Joe Biden | Democrat |
| May 2023 | 417.0 | 0% | +1.99% | Joe Biden | Democrat |
| April 2023 | 417.0 | +0.02% | +2.15% | Joe Biden | Democrat |
| March 2023 | 416.9 | +0.05% | +2.17% | Joe Biden | Democrat |
| February 2023 | 416.7 | -0.08% | +2.41% | Joe Biden | Democrat |
| January 2023 | 417.0 | +0.07% | +2.67% | Joe Biden | Democrat |
| December 2022 | 416.7 | +0.03% | +2.96% | Joe Biden | Democrat |
| November 2022 | 416.6 | -0.03% | +3.07% | Joe Biden | Democrat |
| October 2022 | 416.7 | +0.05% | +3.31% | Joe Biden | Democrat |
| September 2022 | 416.5 | +0.7% | +3.28% | Joe Biden | Democrat |
| August 2022 | 413.6 | +0.48% | +2.41% | Joe Biden | Democrat |
| July 2022 | 411.6 | +0.02% | +2.22% | Joe Biden | Democrat |
| June 2022 | 411.6 | +0.66% | +2.57% | Joe Biden | Democrat |
| May 2022 | 408.9 | +0.16% | +1.92% | Joe Biden | Democrat |
| April 2022 | 408.2 | +0.04% | +1.84% | Joe Biden | Democrat |
| March 2022 | 408.1 | +0.28% | +1.7% | Joe Biden | Democrat |
| February 2022 | 406.9 | +0.18% | +1.54% | Joe Biden | Democrat |
| January 2022 | 406.2 | +0.36% | +2.6% | Joe Biden | Democrat |
| December 2021 | 404.8 | +0.13% | +3.29% | Joe Biden | Democrat |
| November 2021 | 404.2 | +0.21% | +3.1% | Joe Biden | Democrat |
| October 2021 | 403.4 | +0.03% | +2.83% | Joe Biden | Democrat |
| September 2021 | 403.3 | -0.15% | +2.78% | Joe Biden | Democrat |
| August 2021 | 403.9 | +0.29% | +3.04% | Joe Biden | Democrat |
| July 2021 | 402.7 | +0.36% | +2.57% | Joe Biden | Democrat |
| June 2021 | 401.2 | +0.02% | +2.62% | Joe Biden | Democrat |
| May 2021 | 401.2 | +0.08% | +2.89% | Joe Biden | Democrat |
| April 2021 | 400.8 | -0.09% | +3.49% | Joe Biden | Democrat |
| March 2021 | 401.2 | +0.11% | +3.75% | Joe Biden | Democrat |
| February 2021 | 400.8 | +1.23% | +3.88% | Joe Biden | Democrat |
| January 2021 | 395.9 | +1.03% | +2.92% | Joe Biden | Democrat |
| December 2020 | 391.9 | -0.05% | +1.87% | Donald Trump (1st Term) | Republican |
| November 2020 | 392.1 | -0.05% | +1.96% | Donald Trump (1st Term) | Republican |
| October 2020 | 392.3 | -0.03% | +2.09% | Donald Trump (1st Term) | Republican |
| September 2020 | 392.4 | +0.11% | +2.18% | Donald Trump (1st Term) | Republican |
| August 2020 | 392.0 | -0.16% | +2.29% | Donald Trump (1st Term) | Republican |
| July 2020 | 392.6 | +0.41% | +2.49% | Donald Trump (1st Term) | Republican |
| June 2020 | 391.0 | +0.28% | +2.16% | Donald Trump (1st Term) | Republican |
| May 2020 | 389.9 | +0.66% | +2.15% | Donald Trump (1st Term) | Republican |
| April 2020 | 387.3 | +0.16% | +1.66% | Donald Trump (1st Term) | Republican |
| March 2020 | 386.7 | +0.24% | +1.62% | Donald Trump (1st Term) | Republican |
| February 2020 | 385.8 | +0.29% | +1.19% | Donald Trump (1st Term) | Republican |
| January 2020 | 384.7 | 0% | +1.23% | Donald Trump (1st Term) | Republican |
| December 2019 | 384.7 | +0.03% | +1.65% | Donald Trump (1st Term) | Republican |
| November 2019 | 384.5 | +0.08% | +1.66% | Donald Trump (1st Term) | Republican |
| October 2019 | 384.2 | +0.06% | +1.56% | Donald Trump (1st Term) | Republican |
| September 2019 | 384.0 | +0.22% | +1.49% | Donald Trump (1st Term) | Republican |
| August 2019 | 383.2 | +0.03% | +1.41% | Donald Trump (1st Term) | Republican |
| July 2019 | 383.0 | +0.09% | +1.11% | Donald Trump (1st Term) | Republican |
| June 2019 | 382.7 | +0.28% | +0.92% | Donald Trump (1st Term) | Republican |
| May 2019 | 381.7 | +0.18% | +0.66% | Donald Trump (1st Term) | Republican |
| April 2019 | 381.0 | +0.11% | +0.37% | Donald Trump (1st Term) | Republican |
| March 2019 | 380.5 | -0.19% | +0.39% | Donald Trump (1st Term) | Republican |
| February 2019 | 381.3 | +0.33% | +0.97% | Donald Trump (1st Term) | Republican |
| January 2019 | 380.0 | +0.41% | +1.16% | Donald Trump (1st Term) | Republican |
| December 2018 | 378.4 | +0.05% | +0.99% | Donald Trump (1st Term) | Republican |
| November 2018 | 378.3 | -0.02% | +1% | Donald Trump (1st Term) | Republican |
| October 2018 | 378.3 | -0.01% | +0.83% | Donald Trump (1st Term) | Republican |
| September 2018 | 378.4 | +0.14% | +0.87% | Donald Trump (1st Term) | Republican |
| August 2018 | 377.9 | -0.26% | +0.83% | Donald Trump (1st Term) | Republican |
| July 2018 | 378.8 | -0.1% | +1.4% | Donald Trump (1st Term) | Republican |
| June 2018 | 379.2 | +0.02% | +1.53% | Donald Trump (1st Term) | Republican |
| May 2018 | 379.2 | -0.11% | +1.15% | Donald Trump (1st Term) | Republican |
| April 2018 | 379.6 | +0.13% | +1.31% | Donald Trump (1st Term) | Republican |
| March 2018 | 379.1 | +0.39% | +0.59% | Donald Trump (1st Term) | Republican |
| February 2018 | 377.6 | +0.51% | +0.08% | Donald Trump (1st Term) | Republican |
| January 2018 | 375.7 | +0.25% | -0.25% | Donald Trump (1st Term) | Republican |
| December 2017 | 374.7 | +0.06% | -0.29% | Donald Trump (1st Term) | Republican |
| November 2017 | 374.5 | -0.19% | -0.26% | Donald Trump (1st Term) | Republican |
| October 2017 | 375.2 | +0.03% | +0.38% | Donald Trump (1st Term) | Republican |
| September 2017 | 375.1 | +0.1% | +0.23% | Donald Trump (1st Term) | Republican |
| August 2017 | 374.7 | +0.3% | +0.17% | Donald Trump (1st Term) | Republican |
| July 2017 | 373.6 | +0.03% | +0.21% | Donald Trump (1st Term) | Republican |
| June 2017 | 373.5 | -0.36% | +0.58% | Donald Trump (1st Term) | Republican |
| May 2017 | 374.9 | +0.05% | +1% | Donald Trump (1st Term) | Republican |
| April 2017 | 374.7 | -0.57% | +1.58% | Donald Trump (1st Term) | Republican |
| March 2017 | 376.8 | -0.12% | +2.5% | Donald Trump (1st Term) | Republican |
| February 2017 | 377.3 | +0.19% | +2.68% | Donald Trump (1st Term) | Republican |
| January 2017 | 376.6 | +0.21% | +2.94% | Donald Trump (1st Term) | Republican |
| December 2016 | 375.8 | +0.08% | +3.11% | Barack Obama | Democrat |
| November 2016 | 375.5 | +0.46% | +3.03% | Barack Obama | Democrat |
| October 2016 | 373.8 | -0.11% | +3.16% | Barack Obama | Democrat |
| September 2016 | 374.2 | +0.03% | +3.22% | Barack Obama | Democrat |
| August 2016 | 374.1 | +0.34% | +3.35% | Barack Obama | Democrat |
| July 2016 | 372.9 | +0.41% | +2.86% | Barack Obama | Democrat |
| June 2016 | 371.3 | +0.05% | +2.6% | Barack Obama | Democrat |
| May 2016 | 371.2 | +0.63% | +2.81% | Barack Obama | Democrat |
| April 2016 | 368.8 | +0.32% | +2.26% | Barack Obama | Democrat |
| March 2016 | 367.7 | +0.06% | +2.27% | Barack Obama | Democrat |
| February 2016 | 367.4 | +0.44% | +2.54% | Barack Obama | Democrat |
| January 2016 | 365.8 | +0.37% | +2.08% | Barack Obama | Democrat |
| December 2015 | 364.5 | +0.01% | +1.92% | Barack Obama | Democrat |
| November 2015 | 364.5 | +0.59% | +2.02% | Barack Obama | Democrat |
| October 2015 | 362.3 | -0.06% | +1.77% | Barack Obama | Democrat |
| September 2015 | 362.6 | +0.16% | +1.9% | Barack Obama | Democrat |
| August 2015 | 362.0 | -0.14% | +1.74% | Barack Obama | Democrat |
| July 2015 | 362.5 | +0.16% | +2.06% | Barack Obama | Democrat |
| June 2015 | 361.9 | +0.25% | +1.83% | Barack Obama | Democrat |
| May 2015 | 361.0 | +0.09% | +1.58% | Barack Obama | Democrat |
| April 2015 | 360.7 | +0.33% | +1.83% | Barack Obama | Democrat |
| March 2015 | 359.5 | +0.32% | +1.66% | Barack Obama | Democrat |
| February 2015 | 358.3 | -0.02% | +1.47% | Barack Obama | Democrat |
| January 2015 | 358.4 | +0.22% | +1.71% | Barack Obama | Democrat |
| December 2014 | 357.6 | +0.11% | +1.72% | Barack Obama | Democrat |
| November 2014 | 357.2 | +0.34% | +1.79% | Barack Obama | Democrat |
| October 2014 | 356.0 | +0.06% | +1.46% | Barack Obama | Democrat |
| September 2014 | 355.8 | +0.01% | +1.44% | Barack Obama | Democrat |
| August 2014 | 355.8 | +0.18% | +1.6% | Barack Obama | Democrat |
| July 2014 | 355.2 | -0.07% | +1.41% | Barack Obama | Democrat |
| June 2014 | 355.4 | 0% | +1.55% | Barack Obama | Democrat |
| May 2014 | 355.4 | +0.34% | +1.9% | Barack Obama | Democrat |
| April 2014 | 354.2 | +0.16% | +1.53% | Barack Obama | Democrat |
| March 2014 | 353.6 | +0.14% | +1.59% | Barack Obama | Democrat |
| February 2014 | 353.1 | +0.21% | +1.68% | Barack Obama | Democrat |
| January 2014 | 352.4 | +0.22% | +1.85% | Barack Obama | Democrat |
| December 2013 | 351.6 | +0.18% | +2.08% | Barack Obama | Democrat |
| November 2013 | 351.0 | +0.02% | +1.98% | Barack Obama | Democrat |
| October 2013 | 350.9 | +0.04% | +1.92% | Barack Obama | Democrat |
| September 2013 | 350.8 | +0.16% | +1.88% | Barack Obama | Democrat |
| August 2013 | 350.2 | -0.01% | +1.9% | Barack Obama | Democrat |
| July 2013 | 350.2 | +0.07% | +2.16% | Barack Obama | Democrat |
| June 2013 | 350.0 | +0.35% | +2.27% | Barack Obama | Democrat |
| May 2013 | 348.8 | -0.02% | +2.28% | Barack Obama | Democrat |
| April 2013 | 348.9 | +0.23% | +2.66% | Barack Obama | Democrat |
| March 2013 | 348.1 | +0.22% | +2.56% | Barack Obama | Democrat |
| February 2013 | 347.3 | +0.38% | +2.41% | Barack Obama | Democrat |
| January 2013 | 346.0 | +0.45% | +2.14% | Barack Obama | Democrat |
| December 2012 | 344.4 | +0.07% | +1.92% | Barack Obama | Democrat |
| November 2012 | 344.2 | -0.03% | +2.02% | Barack Obama | Democrat |
| October 2012 | 344.3 | 0% | +2.08% | Barack Obama | Democrat |
| September 2012 | 344.3 | +0.18% | +2.32% | Barack Obama | Democrat |
| August 2012 | 343.7 | +0.25% | +2.17% | Barack Obama | Democrat |
| July 2012 | 342.8 | +0.17% | +1.98% | Barack Obama | Democrat |
| June 2012 | 342.2 | +0.35% | +2.01% | Barack Obama | Democrat |
| May 2012 | 341.0 | +0.35% | +1.76% | Barack Obama | Democrat |
| April 2012 | 339.8 | +0.13% | +1.45% | Barack Obama | Democrat |
| March 2012 | 339.4 | +0.07% | +1.41% | Barack Obama | Democrat |
| February 2012 | 339.1 | +0.13% | +1.45% | Barack Obama | Democrat |
| January 2012 | 338.7 | +0.24% | +2.05% | Barack Obama | Democrat |
| December 2011 | 337.9 | +0.17% | +2.2% | Barack Obama | Democrat |
| November 2011 | 337.4 | +0.03% | +2.07% | Barack Obama | Democrat |
| October 2011 | 337.3 | +0.24% | +2.18% | Barack Obama | Democrat |
| September 2011 | 336.5 | +0.02% | +1.91% | Barack Obama | Democrat |
| August 2011 | 336.4 | +0.07% | +2.14% | Barack Obama | Democrat |
| July 2011 | 336.2 | +0.2% | +2.2% | Barack Obama | Democrat |
| June 2011 | 335.5 | +0.11% | +2.3% | Barack Obama | Democrat |
| May 2011 | 335.1 | +0.04% | +2.45% | Barack Obama | Democrat |
| April 2011 | 335.0 | +0.09% | +2.43% | Barack Obama | Democrat |
| March 2011 | 334.7 | +0.11% | +2.59% | Barack Obama | Democrat |
| February 2011 | 334.3 | +0.72% | +2.56% | Barack Obama | Democrat |
| January 2011 | 331.9 | +0.38% | +2.32% | Barack Obama | Democrat |
| December 2010 | 330.7 | +0.04% | +2.74% | Barack Obama | Democrat |
| November 2010 | 330.5 | +0.14% | +2.81% | Barack Obama | Democrat |
| October 2010 | 330.1 | -0.03% | +2.7% | Barack Obama | Democrat |
| September 2010 | 330.2 | +0.25% | +2.93% | Barack Obama | Democrat |
| August 2010 | 329.3 | +0.13% | +2.83% | Barack Obama | Democrat |
| July 2010 | 328.9 | +0.29% | +2.76% | Barack Obama | Democrat |
| June 2010 | 327.9 | +0.25% | +2.59% | Barack Obama | Democrat |
| May 2010 | 327.1 | +0.03% | +2.44% | Barack Obama | Democrat |
| April 2010 | 327.0 | +0.25% | +2.95% | Barack Obama | Democrat |
| March 2010 | 326.2 | +0.07% | +2.76% | Barack Obama | Democrat |
| February 2010 | 326.0 | +0.48% | +2.83% | Barack Obama | Democrat |
| January 2010 | 324.4 | +0.8% | +2.79% | Barack Obama | Democrat |
| December 2009 | 321.8 | +0.11% | +2.53% | Barack Obama | Democrat |
| November 2009 | 321.5 | +0.03% | +2.6% | Barack Obama | Democrat |
| October 2009 | 321.4 | +0.19% | +2.71% | Barack Obama | Democrat |
| September 2009 | 320.8 | +0.16% | +2.63% | Barack Obama | Democrat |
| August 2009 | 320.3 | +0.05% | +2.51% | Barack Obama | Democrat |
| July 2009 | 320.1 | +0.13% | +2.61% | Barack Obama | Democrat |
| June 2009 | 319.7 | +0.1% | +2.68% | Barack Obama | Democrat |
| May 2009 | 319.3 | +0.53% | +2.7% | Barack Obama | Democrat |
| April 2009 | 317.7 | +0.06% | +2.73% | Barack Obama | Democrat |
| March 2009 | 317.5 | +0.15% | +2.83% | Barack Obama | Democrat |
| February 2009 | 317.0 | +0.44% | +2.94% | Barack Obama | Democrat |
| January 2009 | 315.6 | +0.54% | +2.96% | Barack Obama | Democrat |
| December 2008 | 313.9 | +0.18% | +2.99% | George W. Bush | Republican |
| November 2008 | 313.3 | +0.13% | +3.14% | George W. Bush | Republican |
| October 2008 | 312.9 | +0.12% | +3.09% | George W. Bush | Republican |
| September 2008 | 312.5 | +0.04% | +3.35% | George W. Bush | Republican |
| August 2008 | 312.4 | +0.15% | +3.35% | George W. Bush | Republican |
| July 2008 | 311.9 | +0.2% | +3.59% | George W. Bush | Republican |
| June 2008 | 311.3 | +0.13% | +3.76% | George W. Bush | Republican |
| May 2008 | 310.9 | +0.55% | +3.74% | George W. Bush | Republican |
| April 2008 | 309.2 | +0.16% | +3.34% | George W. Bush | Republican |
| March 2008 | 308.7 | +0.26% | +3.26% | George W. Bush | Republican |
| February 2008 | 307.9 | +0.46% | +3.2% | George W. Bush | Republican |
| January 2008 | 306.5 | +0.57% | +3.83% | George W. Bush | Republican |
| December 2007 | 304.8 | +0.33% | +4.23% | George W. Bush | Republican |
| November 2007 | 303.8 | +0.08% | +4.07% | George W. Bush | Republican |
| October 2007 | 303.5 | +0.37% | +4.16% | George W. Bush | Republican |
| September 2007 | 302.4 | +0.05% | +4.06% | George W. Bush | Republican |
| August 2007 | 302.3 | +0.38% | +4.16% | George W. Bush | Republican |
| July 2007 | 301.1 | +0.36% | +3.91% | George W. Bush | Republican |
| June 2007 | 300.1 | +0.12% | +3.75% | George W. Bush | Republican |
| May 2007 | 299.7 | +0.15% | +3.7% | George W. Bush | Republican |
| April 2007 | 299.3 | +0.09% | +3.73% | George W. Bush | Republican |
| March 2007 | 299.0 | +0.2% | +3.89% | George W. Bush | Republican |
| February 2007 | 298.4 | +1.07% | +4.15% | George W. Bush | Republican |
| January 2007 | 295.2 | +0.96% | +3.7% | George W. Bush | Republican |
| December 2006 | 292.4 | +0.17% | +2.63% | George W. Bush | Republican |
| November 2006 | 291.9 | +0.17% | +2.6% | George W. Bush | Republican |
| October 2006 | 291.4 | +0.28% | +2.61% | George W. Bush | Republican |
| September 2006 | 290.6 | +0.14% | +2.69% | George W. Bush | Republican |
| August 2006 | 290.2 | +0.14% | +2.76% | George W. Bush | Republican |
| July 2006 | 289.8 | +0.21% | +2.55% | George W. Bush | Republican |
| June 2006 | 289.2 | +0.07% | +2.59% | George W. Bush | Republican |
| May 2006 | 289.0 | +0.17% | +2.63% | George W. Bush | Republican |
| April 2006 | 288.5 | +0.24% | +2.67% | George W. Bush | Republican |
| March 2006 | 287.8 | +0.45% | +2.9% | George W. Bush | Republican |
| February 2006 | 286.5 | +0.63% | +2.84% | George W. Bush | Republican |
| January 2006 | 284.7 | -0.07% | +3.08% | George W. Bush | Republican |
| December 2005 | 284.9 | +0.14% | +3.75% | George W. Bush | Republican |
| November 2005 | 284.5 | +0.18% | +3.76% | George W. Bush | Republican |
| October 2005 | 284.0 | +0.35% | +3.76% | George W. Bush | Republican |
| September 2005 | 283.0 | +0.21% | +3.55% | George W. Bush | Republican |
| August 2005 | 282.4 | -0.07% | +3.33% | George W. Bush | Republican |
| July 2005 | 282.6 | +0.25% | +3.78% | George W. Bush | Republican |
| June 2005 | 281.9 | +0.11% | +3.79% | George W. Bush | Republican |
| May 2005 | 281.6 | +0.21% | +3.95% | George W. Bush | Republican |
| April 2005 | 281.0 | +0.46% | +3.84% | George W. Bush | Republican |
| March 2005 | 279.7 | +0.39% | +3.71% | George W. Bush | Republican |
| February 2005 | 278.6 | +0.87% | +3.96% | George W. Bush | Republican |
| January 2005 | 276.2 | +0.58% | +4.03% | George W. Bush | Republican |
| December 2004 | 274.6 | +0.15% | +3.98% | George W. Bush | Republican |
| November 2004 | 274.2 | +0.18% | +4.26% | George W. Bush | Republican |
| October 2004 | 273.7 | +0.15% | +4.07% | George W. Bush | Republican |
| September 2004 | 273.3 | 0% | +4.19% | George W. Bush | Republican |
| August 2004 | 273.3 | +0.37% | +4.43% | George W. Bush | Republican |
| July 2004 | 272.3 | +0.26% | +3.97% | George W. Bush | Republican |
| June 2004 | 271.6 | +0.26% | +3.94% | George W. Bush | Republican |
| May 2004 | 270.9 | +0.11% | +3.75% | George W. Bush | Republican |
| April 2004 | 270.6 | +0.33% | +4.16% | George W. Bush | Republican |
| March 2004 | 269.7 | +0.63% | +4.09% | George W. Bush | Republican |
| February 2004 | 268.0 | +0.94% | +3.55% | George W. Bush | Republican |
| January 2004 | 265.5 | +0.53% | +2.99% | George W. Bush | Republican |
| December 2003 | 264.1 | +0.42% | +2.76% | George W. Bush | Republican |
| November 2003 | 263.0 | 0% | +2.53% | George W. Bush | Republican |
| October 2003 | 263.0 | +0.27% | +2.73% | George W. Bush | Republican |
| September 2003 | 262.3 | +0.23% | +2.94% | George W. Bush | Republican |
| August 2003 | 261.7 | -0.08% | +2.67% | George W. Bush | Republican |
| July 2003 | 261.9 | +0.23% | +2.71% | George W. Bush | Republican |
| June 2003 | 261.3 | +0.08% | +3.2% | George W. Bush | Republican |
| May 2003 | 261.1 | +0.5% | +3.24% | George W. Bush | Republican |
| April 2003 | 259.8 | +0.27% | +2.89% | George W. Bush | Republican |
| March 2003 | 259.1 | +0.12% | +2.86% | George W. Bush | Republican |
| February 2003 | 258.8 | +0.39% | +2.94% | George W. Bush | Republican |
| January 2003 | 257.8 | +0.31% | +2.87% | George W. Bush | Republican |
| December 2002 | 257.0 | +0.19% | +3.25% | George W. Bush | Republican |
| November 2002 | 256.5 | +0.2% | +3.09% | George W. Bush | Republican |
| October 2002 | 256.0 | +0.47% | +3.06% | George W. Bush | Republican |
| September 2002 | 254.8 | -0.04% | +2.78% | George W. Bush | Republican |
| August 2002 | 254.9 | -0.04% | +2.91% | George W. Bush | Republican |
| July 2002 | 255.0 | +0.71% | +3.32% | George W. Bush | Republican |
| June 2002 | 253.2 | +0.12% | +2.72% | George W. Bush | Republican |
| May 2002 | 252.9 | +0.16% | +2.89% | George W. Bush | Republican |
| April 2002 | 252.5 | +0.24% | +2.81% | George W. Bush | Republican |
| March 2002 | 251.9 | +0.2% | +2.9% | George W. Bush | Republican |
| February 2002 | 251.4 | +0.32% | +2.99% | George W. Bush | Republican |
| January 2002 | 250.6 | +0.68% | +3.3% | George W. Bush | Republican |
| December 2001 | 248.9 | +0.04% | +3.58% | George W. Bush | Republican |
| November 2001 | 248.8 | +0.16% | +3.75% | George W. Bush | Republican |
| October 2001 | 248.4 | +0.2% | +3.63% | George W. Bush | Republican |
| September 2001 | 247.9 | +0.08% | +3.59% | George W. Bush | Republican |
| August 2001 | 247.7 | +0.36% | +3.68% | George W. Bush | Republican |
| July 2001 | 246.8 | +0.12% | +3.57% | George W. Bush | Republican |
| June 2001 | 246.5 | +0.28% | +3.61% | George W. Bush | Republican |
| May 2001 | 245.8 | +0.08% | +3.67% | George W. Bush | Republican |
| April 2001 | 245.6 | +0.33% | +3.8% | George W. Bush | Republican |
| March 2001 | 244.8 | +0.29% | +3.68% | George W. Bush | Republican |
| February 2001 | 244.1 | +0.62% | +3.92% | George W. Bush | Republican |
| January 2001 | 242.6 | +0.96% | +4.08% | George W. Bush | Republican |
| December 2000 | 240.3 | +0.21% | +3.71% | Bill Clinton | Democrat |
| November 2000 | 239.8 | +0.04% | +3.63% | Bill Clinton | Democrat |
| October 2000 | 239.7 | +0.17% | +3.81% | Bill Clinton | Democrat |
| September 2000 | 239.3 | +0.17% | +3.86% | Bill Clinton | Democrat |
| August 2000 | 238.9 | +0.25% | +3.82% | Bill Clinton | Democrat |
| July 2000 | 238.3 | +0.17% | +3.7% | Bill Clinton | Democrat |
| June 2000 | 237.9 | +0.34% | +3.75% | Bill Clinton | Democrat |
| May 2000 | 237.1 | +0.21% | +3.72% | Bill Clinton | Democrat |
| April 2000 | 236.6 | +0.21% | +3.68% | Bill Clinton | Democrat |
| March 2000 | 236.1 | +0.51% | +3.83% | Bill Clinton | Democrat |
| February 2000 | 234.9 | +0.77% | +3.57% | Bill Clinton | Democrat |
| January 2000 | 233.1 | +0.6% | +3.23% | Bill Clinton | Democrat |
| December 1999 | 231.7 | +0.13% | +3.16% | Bill Clinton | Democrat |
| November 1999 | 231.4 | +0.22% | +3.12% | Bill Clinton | Democrat |
| October 1999 | 230.9 | +0.22% | +2.99% | Bill Clinton | Democrat |
| September 1999 | 230.4 | +0.13% | +3% | Bill Clinton | Democrat |
| August 1999 | 230.1 | +0.13% | +3.05% | Bill Clinton | Democrat |
| July 1999 | 229.8 | +0.22% | +3.14% | Bill Clinton | Democrat |
| June 1999 | 229.3 | +0.31% | +3.06% | Bill Clinton | Democrat |
| May 1999 | 228.6 | +0.18% | +3.11% | Bill Clinton | Democrat |
| April 1999 | 228.2 | +0.35% | +3.21% | Bill Clinton | Democrat |
| March 1999 | 227.4 | +0.26% | +3.18% | Bill Clinton | Democrat |
| February 1999 | 226.8 | +0.44% | +3.23% | Bill Clinton | Democrat |
| January 1999 | 225.8 | +0.53% | +3.34% | Bill Clinton | Democrat |
| December 1998 | 224.6 | +0.09% | +3.26% | Bill Clinton | Democrat |
| November 1998 | 224.4 | +0.09% | +3.36% | Bill Clinton | Democrat |
| October 1998 | 224.2 | +0.22% | +3.41% | Bill Clinton | Democrat |
| September 1998 | 223.7 | +0.18% | +3.37% | Bill Clinton | Democrat |
| August 1998 | 223.3 | +0.22% | +3.24% | Bill Clinton | Democrat |
| July 1998 | 222.8 | +0.13% | +3.2% | Bill Clinton | Democrat |
| June 1998 | 222.5 | +0.36% | +3.25% | Bill Clinton | Democrat |
| May 1998 | 221.7 | +0.27% | +3.02% | Bill Clinton | Democrat |
| April 1998 | 221.1 | +0.32% | +2.98% | Bill Clinton | Democrat |
| March 1998 | 220.4 | +0.32% | +2.89% | Bill Clinton | Democrat |
| February 1998 | 219.7 | +0.55% | +3.05% | Bill Clinton | Democrat |
| January 1998 | 218.5 | +0.46% | +2.97% | Bill Clinton | Democrat |
| December 1997 | 217.5 | +0.18% | +3.08% | Bill Clinton | Democrat |
| November 1997 | 217.1 | +0.14% | +2.94% | Bill Clinton | Democrat |
| October 1997 | 216.8 | +0.18% | +3.14% | Bill Clinton | Democrat |
| September 1997 | 216.4 | +0.05% | +3.24% | Bill Clinton | Democrat |
| August 1997 | 216.3 | +0.19% | +3.39% | Bill Clinton | Democrat |
| July 1997 | 215.9 | +0.19% | +3.45% | Bill Clinton | Democrat |
| June 1997 | 215.5 | +0.14% | +3.66% | Bill Clinton | Democrat |
| May 1997 | 215.2 | +0.23% | +3.61% | Bill Clinton | Democrat |
| April 1997 | 214.7 | +0.23% | +3.72% | Bill Clinton | Democrat |
| March 1997 | 214.2 | +0.47% | +3.73% | Bill Clinton | Democrat |
| February 1997 | 213.2 | +0.47% | +3.44% | Bill Clinton | Democrat |
| January 1997 | 212.2 | +0.57% | +3.51% | Bill Clinton | Democrat |
| December 1996 | 211.0 | +0.05% | +3.48% | Bill Clinton | Democrat |
| November 1996 | 210.9 | +0.33% | +3.69% | Bill Clinton | Democrat |
| October 1996 | 210.2 | +0.29% | +3.6% | Bill Clinton | Democrat |
| September 1996 | 209.6 | +0.19% | +3.56% | Bill Clinton | Democrat |
| August 1996 | 209.2 | +0.24% | +3.56% | Bill Clinton | Democrat |
| July 1996 | 208.7 | +0.38% | +3.52% | Bill Clinton | Democrat |
| June 1996 | 207.9 | +0.1% | +3.54% | Bill Clinton | Democrat |
| May 1996 | 207.7 | +0.34% | +3.75% | Bill Clinton | Democrat |
| April 1996 | 207.0 | +0.24% | +3.76% | Bill Clinton | Democrat |
| March 1996 | 206.5 | +0.19% | +3.72% | Bill Clinton | Democrat |
| February 1996 | 206.1 | +0.54% | +3.83% | Bill Clinton | Democrat |
| January 1996 | 205.0 | +0.54% | +3.96% | Bill Clinton | Democrat |
| December 1995 | 203.9 | +0.25% | +4.03% | Bill Clinton | Democrat |
| November 1995 | 203.4 | +0.25% | +4.04% | Bill Clinton | Democrat |
| October 1995 | 202.9 | +0.25% | +4% | Bill Clinton | Democrat |
| September 1995 | 202.4 | +0.2% | +4.33% | Bill Clinton | Democrat |
| August 1995 | 202.0 | +0.2% | +4.39% | Bill Clinton | Democrat |
| July 1995 | 201.6 | +0.4% | +4.46% | Bill Clinton | Democrat |
| June 1995 | 200.8 | +0.3% | +4.42% | Bill Clinton | Democrat |
| May 1995 | 200.2 | +0.35% | +4.43% | Bill Clinton | Democrat |
| April 1995 | 199.5 | +0.2% | +4.23% | Bill Clinton | Democrat |
| March 1995 | 199.1 | +0.3% | +4.62% | Bill Clinton | Democrat |
| February 1995 | 198.5 | +0.66% | +4.8% | Bill Clinton | Democrat |
| January 1995 | 197.2 | +0.61% | +4.73% | Bill Clinton | Democrat |
| December 1994 | 196.0 | +0.26% | +4.59% | Bill Clinton | Democrat |
| November 1994 | 195.5 | +0.21% | +4.49% | Bill Clinton | Democrat |
| October 1994 | 195.1 | +0.57% | +4.44% | Bill Clinton | Democrat |
| September 1994 | 194.0 | +0.26% | +4.13% | Bill Clinton | Democrat |
| August 1994 | 193.5 | +0.26% | +4.09% | Bill Clinton | Democrat |
| July 1994 | 193.0 | +0.36% | +4.1% | Bill Clinton | Democrat |
| June 1994 | 192.3 | +0.31% | +4.06% | Bill Clinton | Democrat |
| May 1994 | 191.7 | +0.16% | +3.96% | Bill Clinton | Democrat |
| April 1994 | 191.4 | +0.58% | +4.59% | Bill Clinton | Democrat |
| March 1994 | 190.3 | +0.48% | +4.39% | Bill Clinton | Democrat |
| February 1994 | 189.4 | +0.58% | +4.24% | Bill Clinton | Democrat |
| January 1994 | 188.3 | +0.48% | +4.21% | Bill Clinton | Democrat |
| December 1993 | 187.4 | +0.16% | +4.46% | Bill Clinton | Democrat |
| November 1993 | 187.1 | +0.16% | +4.47% | Bill Clinton | Democrat |
| October 1993 | 186.8 | +0.27% | +4.71% | Bill Clinton | Democrat |
| September 1993 | 186.3 | +0.22% | +4.84% | Bill Clinton | Democrat |
| August 1993 | 185.9 | +0.27% | +4.97% | Bill Clinton | Democrat |
| July 1993 | 185.4 | +0.32% | +5.16% | Bill Clinton | Democrat |
| June 1993 | 184.8 | +0.22% | +5.36% | Bill Clinton | Democrat |
| May 1993 | 184.4 | +0.77% | +5.55% | Bill Clinton | Democrat |
| April 1993 | 183.0 | +0.38% | +5.11% | Bill Clinton | Democrat |
| March 1993 | 182.3 | +0.33% | +5.13% | Bill Clinton | Democrat |
| February 1993 | 181.7 | +0.55% | +5.33% | Bill Clinton | Democrat |
| January 1993 | 180.7 | +0.72% | +5.61% | Bill Clinton | Democrat |
| December 1992 | 179.4 | +0.17% | +5.65% | George H. W. Bush | Republican |
| November 1992 | 179.1 | +0.39% | +5.91% | George H. W. Bush | Republican |
| October 1992 | 178.4 | +0.39% | +5.88% | George H. W. Bush | Republican |
| September 1992 | 177.7 | +0.34% | +5.84% | George H. W. Bush | Republican |
| August 1992 | 177.1 | +0.45% | +5.98% | George H. W. Bush | Republican |
| July 1992 | 176.3 | +0.51% | +6.14% | George H. W. Bush | Republican |
| June 1992 | 175.4 | +0.4% | +6.11% | George H. W. Bush | Republican |
| May 1992 | 174.7 | +0.34% | +6.27% | George H. W. Bush | Republican |
| April 1992 | 174.1 | +0.4% | +6.35% | George H. W. Bush | Republican |
| March 1992 | 173.4 | +0.52% | +6.18% | George H. W. Bush | Republican |
| February 1992 | 172.5 | +0.82% | +6.28% | George H. W. Bush | Republican |
| January 1992 | 171.1 | +0.77% | +6.14% | George H. W. Bush | Republican |
| December 1991 | 169.8 | +0.41% | +6.13% | George H. W. Bush | Republican |
| November 1991 | 169.1 | +0.36% | +5.95% | George H. W. Bush | Republican |
| October 1991 | 168.5 | +0.36% | +6.04% | George H. W. Bush | Republican |
| September 1991 | 167.9 | +0.48% | +6.13% | George H. W. Bush | Republican |
| August 1991 | 167.1 | +0.6% | +5.89% | George H. W. Bush | Republican |
| July 1991 | 166.1 | +0.48% | +5.8% | George H. W. Bush | Republican |
| June 1991 | 165.3 | +0.55% | +6.1% | George H. W. Bush | Republican |
| May 1991 | 164.4 | +0.43% | +6% | George H. W. Bush | Republican |
| April 1991 | 163.7 | +0.24% | +6.23% | George H. W. Bush | Republican |
| March 1991 | 163.3 | +0.62% | +6.59% | George H. W. Bush | Republican |
| February 1991 | 162.3 | +0.68% | +6.57% | George H. W. Bush | Republican |
| January 1991 | 161.2 | +0.75% | +6.68% | George H. W. Bush | Republican |
| December 1990 | 160.0 | +0.25% | +6.74% | George H. W. Bush | Republican |
| November 1990 | 159.6 | +0.44% | +6.9% | George H. W. Bush | Republican |
| October 1990 | 158.9 | +0.44% | +6.93% | George H. W. Bush | Republican |
| September 1990 | 158.2 | +0.25% | +6.89% | George H. W. Bush | Republican |
| August 1990 | 157.8 | +0.51% | +6.98% | George H. W. Bush | Republican |
| July 1990 | 157.0 | +0.77% | +6.8% | George H. W. Bush | Republican |
| June 1990 | 155.8 | +0.45% | +6.64% | George H. W. Bush | Republican |
| May 1990 | 155.1 | +0.65% | +6.82% | George H. W. Bush | Republican |
| April 1990 | 154.1 | +0.59% | +6.35% | George H. W. Bush | Republican |
| March 1990 | 153.2 | +0.59% | +6.09% | George H. W. Bush | Republican |
| February 1990 | 152.3 | +0.79% | +6.13% | George H. W. Bush | Republican |
| January 1990 | 151.1 | +0.8% | +6.26% | George H. W. Bush | Republican |
| December 1989 | 149.9 | +0.4% | +6.46% | George H. W. Bush | Republican |
| November 1989 | 149.3 | +0.47% | +6.34% | George H. W. Bush | Republican |
| October 1989 | 148.6 | +0.41% | +6.29% | George H. W. Bush | Republican |
| September 1989 | 148.0 | +0.34% | +6.32% | George H. W. Bush | Republican |
| August 1989 | 147.5 | +0.34% | +6.34% | George H. W. Bush | Republican |
| July 1989 | 147.0 | +0.62% | +6.21% | George H. W. Bush | Republican |
| June 1989 | 146.1 | +0.62% | +6.25% | George H. W. Bush | Republican |
| May 1989 | 145.2 | +0.21% | +6.45% | George H. W. Bush | Republican |
| April 1989 | 144.9 | +0.35% | +6.54% | George H. W. Bush | Republican |
| March 1989 | 144.4 | +0.63% | +6.65% | George H. W. Bush | Republican |
| February 1989 | 143.5 | +0.91% | +6.69% | George H. W. Bush | Republican |
| January 1989 | 142.2 | +0.99% | +6.76% | George H. W. Bush | Republican |
| December 1988 | 140.8 | +0.28% | +6.83% | Ronald Reagan | Republican |
| November 1988 | 140.4 | +0.43% | +6.77% | Ronald Reagan | Republican |
| October 1988 | 139.8 | +0.43% | +6.55% | Ronald Reagan | Republican |
| September 1988 | 139.2 | +0.36% | +6.5% | Ronald Reagan | Republican |
| August 1988 | 138.7 | +0.22% | +6.69% | Ronald Reagan | Republican |
| July 1988 | 138.4 | +0.65% | +6.87% | Ronald Reagan | Republican |
| June 1988 | 137.5 | +0.81% | +6.75% | Ronald Reagan | Republican |
| May 1988 | 136.4 | +0.29% | +6.65% | Ronald Reagan | Republican |
| April 1988 | 136.0 | +0.44% | +6.67% | Ronald Reagan | Republican |
| March 1988 | 135.4 | +0.67% | +6.95% | Ronald Reagan | Republican |
| February 1988 | 134.5 | +0.98% | +6.92% | Ronald Reagan | Republican |
| January 1988 | 133.2 | +1.06% | +6.73% | Ronald Reagan | Republican |
| December 1987 | 131.8 | +0.23% | +6.29% | Ronald Reagan | Republican |
| November 1987 | 131.5 | +0.23% | +6.39% | Ronald Reagan | Republican |
| October 1987 | 131.2 | +0.38% | +6.67% | Ronald Reagan | Republican |
| September 1987 | 130.7 | +0.54% | +6.78% | Ronald Reagan | Republican |
| August 1987 | 130.0 | +0.39% | +6.91% | Ronald Reagan | Republican |
| July 1987 | 129.5 | +0.54% | +6.94% | Ronald Reagan | Republican |
| June 1987 | 128.8 | +0.7% | +6.8% | Ronald Reagan | Republican |
| May 1987 | 127.9 | +0.31% | +6.58% | Ronald Reagan | Republican |
| April 1987 | 127.5 | +0.71% | +6.61% | Ronald Reagan | Republican |
| March 1987 | 126.6 | +0.64% | +6.39% | Ronald Reagan | Republican |
| February 1987 | 125.8 | +0.8% | +6.61% | Ronald Reagan | Republican |
| January 1987 | 124.8 | +0.65% | +6.58% | Ronald Reagan | Republican |
| December 1986 | 124.0 | +0.32% | +6.35% | Ronald Reagan | Republican |
| November 1986 | 123.6 | +0.49% | +6.46% | Ronald Reagan | Republican |
| October 1986 | 123.0 | +0.49% | +6.59% | Ronald Reagan | Republican |
| September 1986 | 122.4 | +0.66% | +6.53% | Ronald Reagan | Republican |
| August 1986 | 121.6 | +0.41% | +6.29% | Ronald Reagan | Republican |
| July 1986 | 121.1 | +0.41% | +6.41% | Ronald Reagan | Republican |
| June 1986 | 120.6 | +0.5% | +6.44% | Ronald Reagan | Republican |
| May 1986 | 120.0 | +0.33% | +6.48% | Ronald Reagan | Republican |
| April 1986 | 119.6 | +0.5% | +6.6% | Ronald Reagan | Republican |
| March 1986 | 119.0 | +0.85% | +6.34% | Ronald Reagan | Republican |
| February 1986 | 118.0 | +0.77% | +6.21% | Ronald Reagan | Republican |
| January 1986 | 117.1 | +0.43% | +6.17% | Ronald Reagan | Republican |
| December 1985 | 116.6 | +0.43% | +6.58% | Ronald Reagan | Republican |
| November 1985 | 116.1 | +0.61% | +6.42% | Ronald Reagan | Republican |
| October 1985 | 115.4 | +0.44% | +6.16% | Ronald Reagan | Republican |
| September 1985 | 114.9 | +0.44% | +6.29% | Ronald Reagan | Republican |
| August 1985 | 114.4 | +0.53% | +6.32% | Ronald Reagan | Republican |
| July 1985 | 113.8 | +0.44% | +6.06% | Ronald Reagan | Republican |
| June 1985 | 113.3 | +0.53% | +5.99% | Ronald Reagan | Republican |
| May 1985 | 112.7 | +0.45% | +6.02% | Ronald Reagan | Republican |
| April 1985 | 112.2 | +0.27% | +5.95% | Ronald Reagan | Republican |
| March 1985 | 111.9 | +0.72% | +6.17% | Ronald Reagan | Republican |
| February 1985 | 111.1 | +0.73% | +5.81% | Ronald Reagan | Republican |
| January 1985 | 110.3 | +0.82% | +6.26% | Ronald Reagan | Republican |
| December 1984 | 109.4 | +0.27% | +6.32% | Ronald Reagan | Republican |
| November 1984 | 109.1 | +0.37% | +6.44% | Ronald Reagan | Republican |
| October 1984 | 108.7 | +0.56% | +6.67% | Ronald Reagan | Republican |
| September 1984 | 108.1 | +0.46% | +6.71% | Ronald Reagan | Republican |
| August 1984 | 107.6 | +0.28% | +6.75% | Ronald Reagan | Republican |
| July 1984 | 107.3 | +0.37% | +7.09% | Ronald Reagan | Republican |
| June 1984 | 106.9 | +0.56% | +7.44% | Ronald Reagan | Republican |
| May 1984 | 106.3 | +0.38% | +7.59% | Ronald Reagan | Republican |
| April 1984 | 105.9 | +0.47% | +7.73% | Ronald Reagan | Republican |
| March 1984 | 105.4 | +0.38% | +7.66% | Ronald Reagan | Republican |
| February 1984 | 105.0 | +1.16% | +7.69% | Ronald Reagan | Republican |
| January 1984 | 103.8 | +0.87% | +7.45% | Ronald Reagan | Republican |
| December 1983 | 102.9 | +0.39% | +7.64% | Ronald Reagan | Republican |
| November 1983 | 102.5 | +0.59% | +7.56% | Ronald Reagan | Republican |
| October 1983 | 101.9 | +0.59% | +7.49% | Ronald Reagan | Republican |
| September 1983 | 101.3 | +0.5% | +7.08% | Ronald Reagan | Republican |
| August 1983 | 100.8 | +0.6% | +7.12% | Ronald Reagan | Republican |
| July 1983 | 100.2 | +0.7% | +7.05% | Ronald Reagan | Republican |
| June 1983 | 99.5 | +0.71% | +6.87% | Ronald Reagan | Republican |
| May 1983 | 98.8 | +0.51% | +6.81% | Ronald Reagan | Republican |
| April 1983 | 98.3 | +0.41% | +6.85% | Ronald Reagan | Republican |
| March 1983 | 97.9 | +0.41% | +7.11% | Ronald Reagan | Republican |
| February 1983 | 97.5 | +0.93% | +7.26% | Ronald Reagan | Republican |
| January 1983 | 96.6 | +1.05% | +6.98% | Ronald Reagan | Republican |
| December 1982 | 95.6 | +0.31% | +6.7% | Ronald Reagan | Republican |
| November 1982 | 95.3 | +0.53% | +6.96% | Ronald Reagan | Republican |
| October 1982 | 94.8 | +0.21% | +7.12% | Ronald Reagan | Republican |
| September 1982 | 94.6 | +0.53% | +7.62% | Ronald Reagan | Republican |
| August 1982 | 94.1 | +0.53% | +7.67% | Ronald Reagan | Republican |
| July 1982 | 93.6 | +0.54% | +7.96% | Ronald Reagan | Republican |
| June 1982 | 93.1 | +0.65% | +9.27% | Ronald Reagan | Republican |
| May 1982 | 92.5 | +0.54% | +9.34% | Ronald Reagan | Republican |
| April 1982 | 92.0 | +0.66% | +9.52% | Ronald Reagan | Republican |
| March 1982 | 91.4 | +0.55% | +9.72% | Ronald Reagan | Republican |
| February 1982 | 90.9 | +0.66% | +10.05% | Ronald Reagan | Republican |
| January 1982 | 90.3 | +0.78% | +10.39% | Ronald Reagan | Republican |
| December 1981 | 89.6 | +0.56% | +10.75% | Ronald Reagan | Republican |
| November 1981 | 89.1 | +0.68% | +10.68% | Ronald Reagan | Republican |
| October 1981 | 88.5 | +0.68% | +10.49% | Ronald Reagan | Republican |
| September 1981 | 87.9 | +0.57% | +10.57% | Ronald Reagan | Republican |
| August 1981 | 87.4 | +0.81% | +11.05% | Ronald Reagan | Republican |
| July 1981 | 86.7 | +1.76% | +10.59% | Ronald Reagan | Republican |
| June 1981 | 85.2 | +0.71% | +9.51% | Ronald Reagan | Republican |
| May 1981 | 84.6 | +0.71% | +9.3% | Ronald Reagan | Republican |
| April 1981 | 84.0 | +0.84% | +9.52% | Ronald Reagan | Republican |
| March 1981 | 83.3 | +0.85% | +9.89% | Ronald Reagan | Republican |
| February 1981 | 82.6 | +0.98% | +9.99% | Ronald Reagan | Republican |
| January 1981 | 81.8 | +1.11% | +10.84% | Ronald Reagan | Republican |
| December 1980 | 80.9 | +0.5% | +10.97% | Jimmy Carter | Democrat |
| November 1980 | 80.5 | +0.5% | +11.81% | Jimmy Carter | Democrat |
| October 1980 | 80.1 | +0.75% | +11.87% | Jimmy Carter | Democrat |
| September 1980 | 79.5 | +1.02% | +11.66% | Jimmy Carter | Democrat |
| August 1980 | 78.7 | +0.38% | +11.16% | Jimmy Carter | Democrat |
| July 1980 | 78.4 | +0.77% | +11.36% | Jimmy Carter | Democrat |
| June 1980 | 77.8 | +0.52% | +11.46% | Jimmy Carter | Democrat |
| May 1980 | 77.4 | +0.91% | +11.69% | Jimmy Carter | Democrat |
| April 1980 | 76.7 | +1.19% | +11.32% | Jimmy Carter | Democrat |
| March 1980 | 75.8 | +0.93% | +10.66% | Jimmy Carter | Democrat |
| February 1980 | 75.1 | +1.76% | +10.12% | Jimmy Carter | Democrat |
| January 1980 | 73.8 | +1.23% | +8.85% | Jimmy Carter | Democrat |
| December 1979 | 72.9 | +1.25% | +9.3% | Jimmy Carter | Democrat |
| November 1979 | 72.0 | +0.56% | +8.11% | Jimmy Carter | Democrat |
| October 1979 | 71.6 | +0.56% | +8.32% | Jimmy Carter | Democrat |
| September 1979 | 71.2 | +0.56% | +8.87% | Jimmy Carter | Democrat |
| August 1979 | 70.8 | +0.57% | +8.76% | Jimmy Carter | Democrat |
| July 1979 | 70.4 | +0.86% | +9.15% | Jimmy Carter | Democrat |
| June 1979 | 69.8 | +0.72% | +8.72% | Jimmy Carter | Democrat |
| May 1979 | 69.3 | +0.58% | +8.45% | Jimmy Carter | Democrat |
| April 1979 | 68.9 | +0.58% | +8.33% | Jimmy Carter | Democrat |
| March 1979 | 68.5 | +0.44% | +8.39% | Jimmy Carter | Democrat |
| February 1979 | 68.2 | +0.59% | +8.43% | Jimmy Carter | Democrat |
| January 1979 | 67.8 | +1.65% | +8.65% | Jimmy Carter | Democrat |
| December 1978 | 66.7 | +0.15% | +7.58% | Jimmy Carter | Democrat |
| November 1978 | 66.6 | +0.76% | +8.12% | Jimmy Carter | Democrat |
| October 1978 | 66.1 | +1.07% | +7.83% | Jimmy Carter | Democrat |
| September 1978 | 65.4 | +0.46% | +7.04% | Jimmy Carter | Democrat |
| August 1978 | 65.1 | +0.93% | +7.43% | Jimmy Carter | Democrat |
| July 1978 | 64.5 | +0.47% | +7.14% | Jimmy Carter | Democrat |
| June 1978 | 64.2 | +0.47% | +7.36% | Jimmy Carter | Democrat |
| May 1978 | 63.9 | +0.47% | +7.39% | Jimmy Carter | Democrat |
| April 1978 | 63.6 | +0.63% | +7.61% | Jimmy Carter | Democrat |
| March 1978 | 63.2 | +0.48% | +7.67% | Jimmy Carter | Democrat |
| February 1978 | 62.9 | +0.8% | +8.26% | Jimmy Carter | Democrat |
| January 1978 | 62.4 | +0.65% | +8.15% | Jimmy Carter | Democrat |
| December 1977 | 62.0 | +0.65% | +8.01% | Jimmy Carter | Democrat |
| November 1977 | 61.6 | +0.49% | +7.88% | Jimmy Carter | Democrat |
| October 1977 | 61.3 | +0.33% | +8.3% | Jimmy Carter | Democrat |
| September 1977 | 61.1 | +0.83% | +8.33% | Jimmy Carter | Democrat |
| August 1977 | 60.6 | +0.66% | +8.21% | Jimmy Carter | Democrat |
| July 1977 | 60.2 | +0.67% | +8.27% | Jimmy Carter | Democrat |
| June 1977 | 59.8 | +0.5% | +8.14% | Jimmy Carter | Democrat |
| May 1977 | 59.5 | +0.68% | +8.18% | Jimmy Carter | Democrat |
| April 1977 | 59.1 | +0.68% | +8.24% | Jimmy Carter | Democrat |
| March 1977 | 58.7 | +1.03% | +8.1% | Jimmy Carter | Democrat |
| February 1977 | 58.1 | +0.69% | +7.99% | Jimmy Carter | Democrat |
| January 1977 | 57.7 | +0.52% | +8.26% | Gerald Ford | Republican |
| December 1976 | 57.4 | +0.53% | +8.51% | Gerald Ford | Republican |
| November 1976 | 57.1 | +0.88% | +8.76% | Gerald Ford | Republican |
| October 1976 | 56.6 | +0.35% | +8.64% | Gerald Ford | Republican |
| September 1976 | 56.4 | +0.71% | +9.09% | Gerald Ford | Republican |
| August 1976 | 56.0 | +0.72% | +9.16% | Gerald Ford | Republican |
| July 1976 | 55.6 | +0.54% | +9.02% | Gerald Ford | Republican |
| June 1976 | 55.3 | +0.55% | +9.07% | Gerald Ford | Republican |
| May 1976 | 55.0 | +0.73% | +9.13% | Gerald Ford | Republican |
| April 1976 | 54.6 | +0.55% | +9.2% | Gerald Ford | Republican |
| March 1976 | 54.3 | +0.93% | +9.26% | Gerald Ford | Republican |
| February 1976 | 53.8 | +0.94% | +9.57% | Gerald Ford | Republican |
| January 1976 | 53.3 | +0.76% | +9.45% | Gerald Ford | Republican |
| December 1975 | 52.9 | +0.76% | +9.52% | Gerald Ford | Republican |
| November 1975 | 52.5 | +0.77% | +9.6% | Gerald Ford | Republican |
| October 1975 | 52.1 | +0.77% | +9.45% | Gerald Ford | Republican |
| September 1975 | 51.7 | +0.78% | +9.53% | Gerald Ford | Republican |
| August 1975 | 51.3 | +0.59% | +9.62% | Gerald Ford | Republican |
| July 1975 | 51.0 | +0.59% | +10.39% | Gerald Ford | Republican |
| June 1975 | 50.7 | +0.6% | +11.18% | Gerald Ford | Republican |
| May 1975 | 50.4 | +0.8% | +12.25% | Gerald Ford | Republican |
| April 1975 | 50.0 | +0.6% | +12.61% | Gerald Ford | Republican |
| March 1975 | 49.7 | +1.22% | +12.7% | Gerald Ford | Republican |
| February 1975 | 49.1 | +0.82% | +12.61% | Gerald Ford | Republican |
| January 1975 | 48.7 | +0.83% | +12.73% | Gerald Ford | Republican |
| December 1974 | 48.3 | +0.84% | +12.33% | Gerald Ford | Republican |
| November 1974 | 47.9 | +0.63% | +11.92% | Gerald Ford | Republican |
| October 1974 | 47.6 | +0.85% | +11.48% | Gerald Ford | Republican |
| September 1974 | 47.2 | +0.85% | +10.8% | Gerald Ford | Republican |
| August 1974 | 46.8 | +1.3% | +10.64% | Gerald Ford | Republican |
| July 1974 | 46.2 | +1.32% | +9.48% | Richard Nixon | Republican |
| June 1974 | 45.6 | +1.56% | +8.31% | Richard Nixon | Republican |
| May 1974 | 44.9 | +1.13% | +7.16% | Richard Nixon | Republican |
| April 1974 | 44.4 | +0.68% | +6.22% | Richard Nixon | Republican |
| March 1974 | 44.1 | +1.15% | +5.76% | Richard Nixon | Republican |
| February 1974 | 43.6 | +0.93% | +5.06% | Richard Nixon | Republican |
| January 1974 | 43.2 | +0.47% | +4.35% | Richard Nixon | Republican |
| December 1973 | 43.0 | +0.47% | +4.12% | Richard Nixon | Republican |
| November 1973 | 42.8 | +0.23% | +3.88% | Richard Nixon | Republican |
| October 1973 | 42.7 | +0.23% | +3.89% | Richard Nixon | Republican |
| September 1973 | 42.6 | +0.71% | +3.9% | Richard Nixon | Republican |
| August 1973 | 42.3 | +0.24% | +3.42% | Richard Nixon | Republican |
| July 1973 | 42.2 | +0.24% | +3.18% | Richard Nixon | Republican |
| June 1973 | 42.1 | +0.48% | +2.93% | Richard Nixon | Republican |
| May 1973 | 41.9 | +0.24% | +2.95% | Richard Nixon | Republican |
| April 1973 | 41.8 | +0.24% | +2.96% | Richard Nixon | Republican |
| March 1973 | 41.7 | +0.48% | +2.96% | Richard Nixon | Republican |
| February 1973 | 41.5 | +0.24% | +2.72% | Richard Nixon | Republican |
| January 1973 | 41.4 | +0.24% | +2.73% | Richard Nixon | Republican |
| December 1972 | 41.3 | +0.24% | +2.74% | Richard Nixon | Republican |
| November 1972 | 41.2 | +0.24% | +2.49% | Richard Nixon | Republican |
| October 1972 | 41.1 | +0.24% | +2.49% | Richard Nixon | Republican |
| September 1972 | 41.0 | +0.24% | +2.76% | Richard Nixon | Republican |
| August 1972 | 40.9 | 0% | +2.76% | Richard Nixon | Republican |
| July 1972 | 40.9 | 0% | +3.28% | Richard Nixon | Republican |
| June 1972 | 40.9 | +0.49% | +3.81% | Richard Nixon | Republican |
| May 1972 | 40.7 | +0.25% | +3.83% | Richard Nixon | Republican |
| April 1972 | 40.6 | +0.25% | +4.1% | Richard Nixon | Republican |
| March 1972 | 40.5 | +0.25% | +4.38% | Richard Nixon | Republican |
| February 1972 | 40.4 | +0.25% | +4.94% | Richard Nixon | Republican |
| January 1972 | 40.3 | +0.25% | +5.22% | Richard Nixon | Republican |
| December 1971 | 40.2 | 0% | +5.51% | Richard Nixon | Republican |
| November 1971 | 40.2 | +0.25% | +6.07% | Richard Nixon | Republican |
| October 1971 | 40.1 | +0.5% | +6.37% | Richard Nixon | Republican |
| September 1971 | 39.9 | +0.25% | +6.4% | Richard Nixon | Republican |
| August 1971 | 39.8 | +0.51% | +6.7% | Richard Nixon | Republican |
| July 1971 | 39.6 | +0.51% | +6.45% | Richard Nixon | Republican |
| June 1971 | 39.4 | +0.51% | +6.49% | Richard Nixon | Republican |
| May 1971 | 39.2 | +0.51% | +6.81% | Richard Nixon | Republican |
| April 1971 | 39.0 | +0.52% | +6.85% | Richard Nixon | Republican |
| March 1971 | 38.8 | +0.78% | +6.89% | Richard Nixon | Republican |
| February 1971 | 38.5 | +0.52% | +6.94% | Richard Nixon | Republican |
| January 1971 | 38.3 | +0.52% | +6.98% | Richard Nixon | Republican |
| December 1970 | 38.1 | +0.53% | +6.72% | Richard Nixon | Republican |
| November 1970 | 37.9 | +0.53% | +6.76% | Richard Nixon | Republican |
| October 1970 | 37.7 | +0.53% | +6.5% | Richard Nixon | Republican |
| September 1970 | 37.5 | +0.54% | +6.23% | Richard Nixon | Republican |
| August 1970 | 37.3 | +0.27% | +6.27% | Richard Nixon | Republican |
| July 1970 | 37.2 | +0.54% | +6.59% | Richard Nixon | Republican |
| June 1970 | 37.0 | +0.82% | +6.63% | Richard Nixon | Republican |
| May 1970 | 36.7 | +0.55% | +6.07% | Richard Nixon | Republican |
| April 1970 | 36.5 | +0.55% | +6.41% | Richard Nixon | Republican |
| March 1970 | 36.3 | +0.83% | +6.76% | Richard Nixon | Republican |
| February 1970 | 36.0 | +0.56% | +6.82% | Richard Nixon | Republican |
| January 1970 | 35.8 | +0.28% | +6.87% | Richard Nixon | Republican |
| December 1969 | 35.7 | +0.56% | +7.21% | Richard Nixon | Republican |
| November 1969 | 35.5 | +0.28% | +7.25% | Richard Nixon | Republican |
| October 1969 | 35.4 | +0.28% | +7.27% | Richard Nixon | Republican |
| September 1969 | 35.3 | +0.57% | +7.29% | Richard Nixon | Republican |
| August 1969 | 35.1 | +0.57% | +7.34% | Richard Nixon | Republican |
| July 1969 | 34.9 | +0.58% | +7.38% | Richard Nixon | Republican |
| June 1969 | 34.7 | +0.29% | +7.1% | Richard Nixon | Republican |
| May 1969 | 34.6 | +0.87% | +7.12% | Richard Nixon | Republican |
| April 1969 | 34.3 | +0.88% | +6.52% | Richard Nixon | Republican |
| March 1969 | 34.0 | +0.89% | +5.92% | Richard Nixon | Republican |
| February 1969 | 33.7 | +0.6% | +5.31% | Richard Nixon | Republican |
| January 1969 | 33.5 | +0.6% | +5.35% | Richard Nixon | Republican |
| December 1968 | 33.3 | +0.6% | +5.05% | Lyndon B. Johnson | Democrat |
| November 1968 | 33.1 | +0.3% | +5.08% | Lyndon B. Johnson | Democrat |
| October 1968 | 33.0 | +0.3% | +5.1% | Lyndon B. Johnson | Democrat |
| September 1968 | 32.9 | +0.61% | +5.45% | Lyndon B. Johnson | Democrat |
| August 1968 | 32.7 | +0.62% | +5.14% | Lyndon B. Johnson | Democrat |
| July 1968 | 32.5 | +0.31% | +4.84% | Lyndon B. Johnson | Democrat |
| June 1968 | 32.4 | +0.31% | +5.19% | Lyndon B. Johnson | Democrat |
| May 1968 | 32.3 | +0.31% | +5.21% | Lyndon B. Johnson | Democrat |
| April 1968 | 32.2 | +0.31% | +5.23% | Lyndon B. Johnson | Democrat |
| March 1968 | 32.1 | +0.31% | +5.25% | Lyndon B. Johnson | Democrat |
| February 1968 | 32.0 | +0.63% | +5.61% | Lyndon B. Johnson | Democrat |
| January 1968 | 31.8 | +0.32% | +5.65% | Lyndon B. Johnson | Democrat |
| December 1967 | 31.7 | +0.63% | — | Lyndon B. Johnson | Democrat |
| November 1967 | 31.5 | +0.32% | — | Lyndon B. Johnson | Democrat |
| October 1967 | 31.4 | +0.64% | — | Lyndon B. Johnson | Democrat |
| September 1967 | 31.2 | +0.32% | — | Lyndon B. Johnson | Democrat |
| August 1967 | 31.1 | +0.32% | — | Lyndon B. Johnson | Democrat |
| July 1967 | 31.0 | +0.65% | — | Lyndon B. Johnson | Democrat |
| June 1967 | 30.8 | +0.33% | — | Lyndon B. Johnson | Democrat |
| May 1967 | 30.7 | +0.33% | — | Lyndon B. Johnson | Democrat |
| April 1967 | 30.6 | +0.33% | — | Lyndon B. Johnson | Democrat |
| March 1967 | 30.5 | +0.66% | — | Lyndon B. Johnson | Democrat |
| February 1967 | 30.3 | +0.66% | — | Lyndon B. Johnson | Democrat |
| January 1967 | 30.1 | — | — | Lyndon B. Johnson | Democrat |