Gasoline, Unleaded Inflation Data
Gasoline, Unleaded Inflation Rate
Gasoline, unleaded regular, per gallon/3.785 liters in U.S. city average, average price, not seasonally adjusted
-9.78% YoY
Best YoY Inflation
-44.04%
December 2008
George W. Bush (Republican)
Worst YoY Inflation
+66.51%
November 2021
Joe Biden (Democrat)
Average YoY by Party
Republican: +3.96%
Democrat: +6.86%
Inflation Trend Over the Last 8 Years
Full Inflation History
| Date | Value | MoM | YoY | President | Party |
|---|---|---|---|---|---|
| March 2025 | 3.2 | -0.92% | -9.78% | Donald Trump (2nd Term) | Republican |
| February 2025 | 3.3 | +1.56% | -2.98% | Donald Trump (2nd Term) | Republican |
| January 2025 | 3.2 | +1.9% | -0.31% | Donald Trump (2nd Term) | Republican |
| December 2024 | 3.2 | -0.94% | -4.26% | Joe Biden | Democrat |
| November 2024 | 3.2 | -3.05% | -9.14% | Joe Biden | Democrat |
| October 2024 | 3.3 | -1.8% | -13.23% | Joe Biden | Democrat |
| September 2024 | 3.3 | -5.11% | -16.29% | Joe Biden | Democrat |
| August 2024 | 3.5 | -2.76% | -11.11% | Joe Biden | Democrat |
| July 2024 | 3.6 | +0.56% | -2.95% | Joe Biden | Democrat |
| June 2024 | 3.6 | -4.26% | -2.96% | Joe Biden | Democrat |
| May 2024 | 3.8 | -0.53% | +1.9% | Joe Biden | Democrat |
| April 2024 | 3.8 | +5.59% | +1.07% | Joe Biden | Democrat |
| March 2024 | 3.6 | +6.55% | +0.85% | Joe Biden | Democrat |
| February 2024 | 3.4 | +4.35% | -4.27% | Joe Biden | Democrat |
| January 2024 | 3.2 | -2.13% | -6.67% | Joe Biden | Democrat |
| December 2023 | 3.3 | -6% | -2.08% | Joe Biden | Democrat |
| November 2023 | 3.5 | -7.41% | -9.09% | Joe Biden | Democrat |
| October 2023 | 3.8 | -5.26% | -5.97% | Joe Biden | Democrat |
| September 2023 | 4.0 | +0.76% | +2.84% | Joe Biden | Democrat |
| August 2023 | 4.0 | +6.17% | -3.41% | Joe Biden | Democrat |
| July 2023 | 3.7 | +0.54% | -20.13% | Joe Biden | Democrat |
| June 2023 | 3.7 | +0.54% | -26.68% | Joe Biden | Democrat |
| May 2023 | 3.7 | -1.34% | -19.78% | Joe Biden | Democrat |
| April 2023 | 3.7 | +5.35% | -12.41% | Joe Biden | Democrat |
| March 2023 | 3.6 | +1.14% | -17.63% | Joe Biden | Democrat |
| February 2023 | 3.5 | +1.74% | -2.23% | Joe Biden | Democrat |
| January 2023 | 3.5 | +2.68% | +1.17% | Joe Biden | Democrat |
| December 2022 | 3.4 | -12.73% | -1.47% | Joe Biden | Democrat |
| November 2022 | 3.9 | -4.23% | +10.63% | Joe Biden | Democrat |
| October 2022 | 4.0 | +3.61% | +18.58% | Joe Biden | Democrat |
| September 2022 | 3.9 | -5.37% | +18.65% | Joe Biden | Democrat |
| August 2022 | 4.1 | -12.21% | +25.77% | Joe Biden | Democrat |
| July 2022 | 4.7 | -7.71% | +44.58% | Joe Biden | Democrat |
| June 2022 | 5.1 | +10% | +60.63% | Joe Biden | Democrat |
| May 2022 | 4.6 | +7.73% | +54.88% | Joe Biden | Democrat |
| April 2022 | 4.3 | -0.93% | +50.35% | Joe Biden | Democrat |
| March 2022 | 4.3 | +20.06% | +54.48% | Joe Biden | Democrat |
| February 2022 | 3.6 | +5.28% | +43.6% | Joe Biden | Democrat |
| January 2022 | 3.4 | 0% | +46.35% | Joe Biden | Democrat |
| December 2021 | 3.4 | -2.01% | +57.14% | Joe Biden | Democrat |
| November 2021 | 3.5 | +2.65% | +66.51% | Joe Biden | Democrat |
| October 2021 | 3.4 | +3.67% | +56.94% | Joe Biden | Democrat |
| September 2021 | 3.3 | +0.31% | +49.32% | Joe Biden | Democrat |
| August 2021 | 3.3 | +0.93% | +49.54% | Joe Biden | Democrat |
| July 2021 | 3.2 | +2.54% | +48.17% | Joe Biden | Democrat |
| June 2021 | 3.2 | +6.06% | +51.44% | Joe Biden | Democrat |
| May 2021 | 3.0 | +4.58% | +57.98% | Joe Biden | Democrat |
| April 2021 | 2.8 | +1.79% | +51.06% | Joe Biden | Democrat |
| March 2021 | 2.8 | +11.6% | +22.91% | Joe Biden | Democrat |
| February 2021 | 2.5 | +7.3% | +1.21% | Joe Biden | Democrat |
| January 2021 | 2.3 | +7.37% | -9.34% | Joe Biden | Democrat |
| December 2020 | 2.2 | +3.83% | -16.22% | Donald Trump (1st Term) | Republican |
| November 2020 | 2.1 | -3.24% | -20.23% | Donald Trump (1st Term) | Republican |
| October 2020 | 2.2 | -1.37% | -19.1% | Donald Trump (1st Term) | Republican |
| September 2020 | 2.2 | +0.46% | -16.73% | Donald Trump (1st Term) | Republican |
| August 2020 | 2.2 | 0% | -18.05% | Donald Trump (1st Term) | Republican |
| July 2020 | 2.2 | +4.81% | -21.58% | Donald Trump (1st Term) | Republican |
| June 2020 | 2.1 | +10.64% | -24.36% | Donald Trump (1st Term) | Republican |
| May 2020 | 1.9 | 0% | -35.17% | Donald Trump (1st Term) | Republican |
| April 2020 | 1.9 | -17.18% | -33.8% | Donald Trump (1st Term) | Republican |
| March 2020 | 2.3 | -8.1% | -11.33% | Donald Trump (1st Term) | Republican |
| February 2020 | 2.5 | -3.89% | +5.11% | Donald Trump (1st Term) | Republican |
| January 2020 | 2.6 | -0.77% | +12.23% | Donald Trump (1st Term) | Republican |
| December 2019 | 2.6 | -1.15% | +7.47% | Donald Trump (1st Term) | Republican |
| November 2019 | 2.6 | -1.87% | -1.87% | Donald Trump (1st Term) | Republican |
| October 2019 | 2.7 | +1.52% | -7.61% | Donald Trump (1st Term) | Republican |
| September 2019 | 2.6 | -1.13% | -8.36% | Donald Trump (1st Term) | Republican |
| August 2019 | 2.7 | -4.32% | -6.99% | Donald Trump (1st Term) | Republican |
| July 2019 | 2.8 | +1.09% | -3.14% | Donald Trump (1st Term) | Republican |
| June 2019 | 2.8 | -5.17% | -5.5% | Donald Trump (1st Term) | Republican |
| May 2019 | 2.9 | +2.11% | -0.34% | Donald Trump (1st Term) | Republican |
| April 2019 | 2.8 | +10.94% | +3.65% | Donald Trump (1st Term) | Republican |
| March 2019 | 2.6 | +8.94% | -0.39% | Donald Trump (1st Term) | Republican |
| February 2019 | 2.4 | +2.62% | -8.91% | Donald Trump (1st Term) | Republican |
| January 2019 | 2.3 | -4.98% | -9.84% | Donald Trump (1st Term) | Republican |
| December 2018 | 2.4 | -9.74% | -2.03% | Donald Trump (1st Term) | Republican |
| November 2018 | 2.7 | -7.61% | +4.71% | Donald Trump (1st Term) | Republican |
| October 2018 | 2.9 | +0.7% | +16.53% | Donald Trump (1st Term) | Republican |
| September 2018 | 2.9 | +0.35% | +9.13% | Donald Trump (1st Term) | Republican |
| August 2018 | 2.9 | -0.35% | +20.68% | Donald Trump (1st Term) | Republican |
| July 2018 | 2.9 | -1.37% | +25.88% | Donald Trump (1st Term) | Republican |
| June 2018 | 2.9 | 0% | +24.36% | Donald Trump (1st Term) | Republican |
| May 2018 | 2.9 | +6.2% | +21.76% | Donald Trump (1st Term) | Republican |
| April 2018 | 2.7 | +6.61% | +13.22% | Donald Trump (1st Term) | Republican |
| March 2018 | 2.6 | -0.39% | +10.78% | Donald Trump (1st Term) | Republican |
| February 2018 | 2.6 | +1.57% | +12.17% | Donald Trump (1st Term) | Republican |
| January 2018 | 2.5 | +3.25% | +8.09% | Donald Trump (1st Term) | Republican |
| December 2017 | 2.5 | -3.53% | +10.31% | Donald Trump (1st Term) | Republican |
| November 2017 | 2.6 | +2.82% | +16.44% | Donald Trump (1st Term) | Republican |
| October 2017 | 2.5 | -5.7% | +10.71% | Donald Trump (1st Term) | Republican |
| September 2017 | 2.6 | +10.97% | +19% | Donald Trump (1st Term) | Republican |
| August 2017 | 2.4 | +3.95% | +9.72% | Donald Trump (1st Term) | Republican |
| July 2017 | 2.3 | -2.56% | +2.24% | Donald Trump (1st Term) | Republican |
| June 2017 | 2.3 | -2.09% | -0.85% | Donald Trump (1st Term) | Republican |
| May 2017 | 2.4 | -1.24% | +5.75% | Donald Trump (1st Term) | Republican |
| April 2017 | 2.4 | +4.31% | +13.62% | Donald Trump (1st Term) | Republican |
| March 2017 | 2.3 | +0.87% | +18.37% | Donald Trump (1st Term) | Republican |
| February 2017 | 2.3 | -2.13% | +29.94% | Donald Trump (1st Term) | Republican |
| January 2017 | 2.4 | +5.38% | +19.29% | Donald Trump (1st Term) | Republican |
| December 2016 | 2.2 | +1.83% | +8.25% | Barack Obama | Democrat |
| November 2016 | 2.2 | -2.23% | 0% | Barack Obama | Democrat |
| October 2016 | 2.2 | +1.36% | -2.18% | Barack Obama | Democrat |
| September 2016 | 2.2 | +2.31% | -7.53% | Barack Obama | Democrat |
| August 2016 | 2.2 | -3.14% | -19.4% | Barack Obama | Democrat |
| July 2016 | 2.2 | -5.51% | -21.2% | Barack Obama | Democrat |
| June 2016 | 2.4 | +4.42% | -16.61% | Barack Obama | Democrat |
| May 2016 | 2.3 | +6.1% | -18.71% | Barack Obama | Democrat |
| April 2016 | 2.1 | +8.67% | -14.46% | Barack Obama | Democrat |
| March 2016 | 2.0 | +10.73% | -20.97% | Barack Obama | Democrat |
| February 2016 | 1.8 | -10.15% | -21.33% | Barack Obama | Democrat |
| January 2016 | 2.0 | -4.37% | -6.64% | Barack Obama | Democrat |
| December 2015 | 2.1 | -5.94% | -19.53% | Barack Obama | Democrat |
| November 2015 | 2.2 | -4.37% | -24.22% | Barack Obama | Democrat |
| October 2015 | 2.3 | -4.18% | -27.99% | Barack Obama | Democrat |
| September 2015 | 2.4 | -10.82% | -29.71% | Barack Obama | Democrat |
| August 2015 | 2.7 | -5.3% | -22.99% | Barack Obama | Democrat |
| July 2015 | 2.8 | 0% | -22.04% | Barack Obama | Democrat |
| June 2015 | 2.8 | +1.8% | -23.51% | Barack Obama | Democrat |
| May 2015 | 2.8 | +11.65% | -24.66% | Barack Obama | Democrat |
| April 2015 | 2.5 | +0.4% | -31.97% | Barack Obama | Democrat |
| March 2015 | 2.5 | +10.22% | -29.75% | Barack Obama | Democrat |
| February 2015 | 2.3 | +6.64% | -33.04% | Barack Obama | Democrat |
| January 2015 | 2.1 | -17.58% | -36.45% | Barack Obama | Democrat |
| December 2014 | 2.6 | -11.42% | -21.95% | Barack Obama | Democrat |
| November 2014 | 2.9 | -9.12% | -11.08% | Barack Obama | Democrat |
| October 2014 | 3.2 | -6.47% | -5.92% | Barack Obama | Democrat |
| September 2014 | 3.4 | -2.3% | -4.49% | Barack Obama | Democrat |
| August 2014 | 3.5 | -4.13% | -3.33% | Barack Obama | Democrat |
| July 2014 | 3.6 | -1.89% | 0% | Barack Obama | Democrat |
| June 2014 | 3.7 | +0.27% | +1.93% | Barack Obama | Democrat |
| May 2014 | 3.7 | +0.82% | +1.93% | Barack Obama | Democrat |
| April 2014 | 3.7 | +3.68% | +1.95% | Barack Obama | Democrat |
| March 2014 | 3.5 | +5.06% | -5.61% | Barack Obama | Democrat |
| February 2014 | 3.4 | +1.2% | -8.94% | Barack Obama | Democrat |
| January 2014 | 3.3 | +1.22% | -0.9% | Barack Obama | Democrat |
| December 2013 | 3.3 | +0.92% | -1.5% | Barack Obama | Democrat |
| November 2013 | 3.3 | -3.85% | -6.88% | Barack Obama | Democrat |
| October 2013 | 3.4 | -5.06% | -10.82% | Barack Obama | Democrat |
| September 2013 | 3.6 | -1.11% | -7.77% | Barack Obama | Democrat |
| August 2013 | 3.6 | -0.83% | -2.96% | Barack Obama | Democrat |
| July 2013 | 3.6 | 0% | +5.22% | Barack Obama | Democrat |
| June 2013 | 3.6 | +0.28% | +2.25% | Barack Obama | Democrat |
| May 2013 | 3.6 | +0.84% | -4.49% | Barack Obama | Democrat |
| April 2013 | 3.6 | -4.01% | -8.65% | Barack Obama | Democrat |
| March 2013 | 3.7 | +1.36% | -3.36% | Barack Obama | Democrat |
| February 2013 | 3.7 | +10.15% | +3.36% | Barack Obama | Democrat |
| January 2013 | 3.4 | +0.6% | -1.47% | Barack Obama | Democrat |
| December 2012 | 3.3 | -4.58% | +1.52% | Barack Obama | Democrat |
| November 2012 | 3.5 | -7.92% | +2.05% | Barack Obama | Democrat |
| October 2012 | 3.8 | -1.81% | +9.22% | Barack Obama | Democrat |
| September 2012 | 3.9 | +4.04% | +6.93% | Barack Obama | Democrat |
| August 2012 | 3.7 | +7.54% | +2.2% | Barack Obama | Democrat |
| July 2012 | 3.5 | -2.82% | -5.48% | Barack Obama | Democrat |
| June 2012 | 3.6 | -6.33% | -4.05% | Barack Obama | Democrat |
| May 2012 | 3.8 | -3.56% | -3.56% | Barack Obama | Democrat |
| April 2012 | 3.9 | +1.55% | +2.88% | Barack Obama | Democrat |
| March 2012 | 3.9 | +8.4% | +9.01% | Barack Obama | Democrat |
| February 2012 | 3.6 | +5% | +12.62% | Barack Obama | Democrat |
| January 2012 | 3.4 | +3.66% | +10.03% | Barack Obama | Democrat |
| December 2011 | 3.3 | -4.09% | +9.7% | Barack Obama | Democrat |
| November 2011 | 3.4 | -1.44% | +20% | Barack Obama | Democrat |
| October 2011 | 3.5 | -3.88% | +23.93% | Barack Obama | Democrat |
| September 2011 | 3.6 | -0.55% | +33.7% | Barack Obama | Democrat |
| August 2011 | 3.6 | -0.55% | +32% | Barack Obama | Democrat |
| July 2011 | 3.7 | -1.35% | +33.21% | Barack Obama | Democrat |
| June 2011 | 3.7 | -5.85% | +35.04% | Barack Obama | Democrat |
| May 2011 | 3.9 | +2.88% | +36.93% | Barack Obama | Democrat |
| April 2011 | 3.8 | +7.61% | +33.57% | Barack Obama | Democrat |
| March 2011 | 3.6 | +11.99% | +27.7% | Barack Obama | Democrat |
| February 2011 | 3.2 | +2.59% | +19.17% | Barack Obama | Democrat |
| January 2011 | 3.1 | +3.34% | +13.19% | Barack Obama | Democrat |
| December 2010 | 3.0 | +4.91% | +14.12% | Barack Obama | Democrat |
| November 2010 | 2.9 | +1.79% | +7.14% | Barack Obama | Democrat |
| October 2010 | 2.8 | +3.7% | +9.37% | Barack Obama | Democrat |
| September 2010 | 2.7 | -1.82% | +5.06% | Barack Obama | Democrat |
| August 2010 | 2.8 | +0.36% | +4.56% | Barack Obama | Democrat |
| July 2010 | 2.7 | 0% | +7.87% | Barack Obama | Democrat |
| June 2010 | 2.7 | -4.53% | +4.18% | Barack Obama | Democrat |
| May 2010 | 2.9 | +0.35% | +26.43% | Barack Obama | Democrat |
| April 2010 | 2.9 | +2.88% | +38.83% | Barack Obama | Democrat |
| March 2010 | 2.8 | +4.51% | +42.56% | Barack Obama | Democrat |
| February 2010 | 2.7 | -2.56% | +37.82% | Barack Obama | Democrat |
| January 2010 | 2.7 | +4.2% | +52.51% | Barack Obama | Democrat |
| December 2009 | 2.6 | -1.5% | +55.03% | Barack Obama | Democrat |
| November 2009 | 2.7 | +3.91% | +23.72% | Barack Obama | Democrat |
| October 2009 | 2.6 | -0.39% | -19.24% | Barack Obama | Democrat |
| September 2009 | 2.6 | -2.28% | -30.54% | Barack Obama | Democrat |
| August 2009 | 2.6 | +3.54% | -30.61% | Barack Obama | Democrat |
| July 2009 | 2.5 | -3.42% | -37.9% | Barack Obama | Democrat |
| June 2009 | 2.6 | +15.86% | -35.38% | Barack Obama | Democrat |
| May 2009 | 2.3 | +10.19% | -39.63% | Barack Obama | Democrat |
| April 2009 | 2.1 | +5.64% | -40.12% | Barack Obama | Democrat |
| March 2009 | 2.0 | +1.04% | -40.18% | Barack Obama | Democrat |
| February 2009 | 1.9 | +7.82% | -36.3% | Barack Obama | Democrat |
| January 2009 | 1.8 | +5.92% | -41.31% | Barack Obama | Democrat |
| December 2008 | 1.7 | -21.4% | -44.04% | George W. Bush | Republican |
| November 2008 | 2.2 | -32.18% | -29.97% | George W. Bush | Republican |
| October 2008 | 3.2 | -14.32% | +13.62% | George W. Bush | Republican |
| September 2008 | 3.7 | -2.37% | +32.62% | George W. Bush | Republican |
| August 2008 | 3.8 | -7.33% | +36.33% | George W. Bush | Republican |
| July 2008 | 4.1 | +0.49% | +38.18% | George W. Bush | Republican |
| June 2008 | 4.1 | +8.24% | +33.44% | George W. Bush | Republican |
| May 2008 | 3.8 | +9.3% | +20.13% | George W. Bush | Republican |
| April 2008 | 3.4 | +5.52% | +20.28% | George W. Bush | Republican |
| March 2008 | 3.3 | +7.59% | +25.87% | George W. Bush | Republican |
| February 2008 | 3.0 | -0.66% | +32.31% | George W. Bush | Republican |
| January 2008 | 3.1 | +0.99% | +34.36% | George W. Bush | Republican |
| December 2007 | 3.0 | -1.63% | +29.61% | George W. Bush | Republican |
| November 2007 | 3.1 | +10.04% | +37.05% | George W. Bush | Republican |
| October 2007 | 2.8 | 0% | +22.91% | George W. Bush | Republican |
| September 2007 | 2.8 | +0.36% | +7.72% | George W. Bush | Republican |
| August 2007 | 2.8 | -6.08% | -7.02% | George W. Bush | Republican |
| July 2007 | 3.0 | -2.95% | -1.33% | George W. Bush | Republican |
| June 2007 | 3.1 | -2.56% | +4.45% | George W. Bush | Republican |
| May 2007 | 3.1 | +9.44% | +6.1% | George W. Bush | Republican |
| April 2007 | 2.9 | +10.42% | +3.62% | George W. Bush | Republican |
| March 2007 | 2.6 | +13.1% | +7.92% | George W. Bush | Republican |
| February 2007 | 2.3 | +0.88% | -0.87% | George W. Bush | Republican |
| January 2007 | 2.3 | -2.58% | -2.16% | George W. Bush | Republican |
| December 2006 | 2.3 | +4.02% | +6.39% | George W. Bush | Republican |
| November 2006 | 2.2 | -1.32% | -4.27% | George W. Bush | Republican |
| October 2006 | 2.3 | -12.36% | -18.64% | George W. Bush | Republican |
| September 2006 | 2.6 | -13.38% | -11.6% | George W. Bush | Republican |
| August 2006 | 3.0 | -0.33% | +19.12% | George W. Bush | Republican |
| July 2006 | 3.0 | +2.74% | +29.31% | George W. Bush | Republican |
| June 2006 | 2.9 | -1.02% | +33.94% | George W. Bush | Republican |
| May 2006 | 3.0 | +6.88% | +32.88% | George W. Bush | Republican |
| April 2006 | 2.8 | +15% | +21.05% | George W. Bush | Republican |
| March 2006 | 2.4 | +3.9% | +15.94% | George W. Bush | Republican |
| February 2006 | 2.3 | -0.43% | +20.31% | George W. Bush | Republican |
| January 2006 | 2.3 | +5.94% | +27.47% | George W. Bush | Republican |
| December 2005 | 2.2 | -6.41% | +16.49% | George W. Bush | Republican |
| November 2005 | 2.3 | -16.13% | +16.42% | George W. Bush | Republican |
| October 2005 | 2.8 | -4.78% | +37.44% | George W. Bush | Republican |
| September 2005 | 2.9 | +16.73% | +55.03% | George W. Bush | Republican |
| August 2005 | 2.5 | +8.19% | +32.11% | George W. Bush | Republican |
| July 2005 | 2.3 | +6.42% | +19.59% | George W. Bush | Republican |
| June 2005 | 2.2 | -1.8% | +6.86% | George W. Bush | Republican |
| May 2005 | 2.2 | -2.63% | +10.45% | George W. Bush | Republican |
| April 2005 | 2.3 | +10.14% | +24.59% | George W. Bush | Republican |
| March 2005 | 2.1 | +7.81% | +16.95% | George W. Bush | Republican |
| February 2005 | 1.9 | +5.49% | +14.97% | George W. Bush | Republican |
| January 2005 | 1.8 | -3.19% | +14.47% | George W. Bush | Republican |
| December 2004 | 1.9 | -6.47% | +26.17% | George W. Bush | Republican |
| November 2004 | 2.0 | -0.99% | +30.52% | George W. Bush | Republican |
| October 2004 | 2.0 | +7.41% | +26.87% | George W. Bush | Republican |
| September 2004 | 1.9 | -0.53% | +9.25% | George W. Bush | Republican |
| August 2004 | 1.9 | -2.06% | +16.56% | George W. Bush | Republican |
| July 2004 | 1.9 | -4.9% | +27.63% | George W. Bush | Republican |
| June 2004 | 2.0 | +1.49% | +35.1% | George W. Bush | Republican |
| May 2004 | 2.0 | +9.84% | +30.52% | George W. Bush | Republican |
| April 2004 | 1.8 | +3.39% | +10.24% | George W. Bush | Republican |
| March 2004 | 1.8 | +5.99% | +1.14% | George W. Bush | Republican |
| February 2004 | 1.7 | +5.03% | +1.83% | George W. Bush | Republican |
| January 2004 | 1.6 | +6.71% | +8.16% | George W. Bush | Republican |
| December 2003 | 1.5 | -3.25% | +7.19% | George W. Bush | Republican |
| November 2003 | 1.5 | -3.75% | +6.21% | George W. Bush | Republican |
| October 2003 | 1.6 | -7.51% | +10.34% | George W. Bush | Republican |
| September 2003 | 1.7 | +6.13% | +21.83% | George W. Bush | Republican |
| August 2003 | 1.6 | +7.24% | +14.79% | George W. Bush | Republican |
| July 2003 | 1.5 | +0.66% | +7.8% | George W. Bush | Republican |
| June 2003 | 1.5 | -1.95% | +7.86% | George W. Bush | Republican |
| May 2003 | 1.5 | -7.23% | +8.45% | George W. Bush | Republican |
| April 2003 | 1.7 | -5.14% | +17.73% | George W. Bush | Republican |
| March 2003 | 1.8 | +6.71% | +41.13% | George W. Bush | Republican |
| February 2003 | 1.6 | +11.56% | +45.13% | George W. Bush | Republican |
| January 2003 | 1.5 | +5.76% | +28.95% | George W. Bush | Republican |
| December 2002 | 1.4 | -4.14% | +23.01% | George W. Bush | Republican |
| November 2002 | 1.5 | 0% | +15.08% | George W. Bush | Republican |
| October 2002 | 1.5 | +2.11% | +6.62% | George W. Bush | Republican |
| September 2002 | 1.4 | 0% | -7.19% | George W. Bush | Republican |
| August 2002 | 1.4 | +0.71% | -0.7% | George W. Bush | Republican |
| July 2002 | 1.4 | +0.71% | -4.73% | George W. Bush | Republican |
| June 2002 | 1.4 | -1.41% | -14.63% | George W. Bush | Republican |
| May 2002 | 1.4 | +0.71% | -17.92% | George W. Bush | Republican |
| April 2002 | 1.4 | +13.71% | -9.62% | George W. Bush | Republican |
| March 2002 | 1.2 | +9.73% | -14.48% | George W. Bush | Republican |
| February 2002 | 1.1 | -0.88% | -23.65% | George W. Bush | Republican |
| January 2002 | 1.1 | +0.88% | -22.45% | George W. Bush | Republican |
| December 2001 | 1.1 | -10.32% | -24.16% | George W. Bush | Republican |
| November 2001 | 1.3 | -7.35% | -19.23% | George W. Bush | Republican |
| October 2001 | 1.4 | -11.11% | -12.82% | George W. Bush | Republican |
| September 2001 | 1.5 | +6.99% | -3.16% | George W. Bush | Republican |
| August 2001 | 1.4 | -3.38% | -5.3% | George W. Bush | Republican |
| July 2001 | 1.5 | -9.76% | -6.92% | George W. Bush | Republican |
| June 2001 | 1.6 | -5.2% | +1.23% | George W. Bush | Republican |
| May 2001 | 1.7 | +10.9% | +15.33% | George W. Bush | Republican |
| April 2001 | 1.6 | +7.59% | +3.31% | George W. Bush | Republican |
| March 2001 | 1.5 | -2.03% | -5.84% | George W. Bush | Republican |
| February 2001 | 1.5 | +0.68% | +8.03% | George W. Bush | Republican |
| January 2001 | 1.5 | -1.34% | +13.08% | George W. Bush | Republican |
| December 2000 | 1.5 | -4.49% | +14.62% | Bill Clinton | Democrat |
| November 2000 | 1.6 | 0% | +23.81% | Bill Clinton | Democrat |
| October 2000 | 1.6 | -1.27% | +22.83% | Bill Clinton | Democrat |
| September 2000 | 1.6 | +4.64% | +23.44% | Bill Clinton | Democrat |
| August 2000 | 1.5 | -5.03% | +19.84% | Bill Clinton | Democrat |
| July 2000 | 1.6 | -1.85% | +33.61% | Bill Clinton | Democrat |
| June 2000 | 1.6 | +8% | +40.87% | Bill Clinton | Democrat |
| May 2000 | 1.5 | -0.66% | +27.12% | Bill Clinton | Democrat |
| April 2000 | 1.5 | -1.95% | +27.97% | Bill Clinton | Democrat |
| March 2000 | 1.5 | +12.41% | +55.56% | Bill Clinton | Democrat |
| February 2000 | 1.4 | +5.38% | +42.71% | Bill Clinton | Democrat |
| January 2000 | 1.3 | 0% | +34.02% | Bill Clinton | Democrat |
| December 1999 | 1.3 | +3.17% | +31.31% | Bill Clinton | Democrat |
| November 1999 | 1.3 | -0.79% | +22.33% | Bill Clinton | Democrat |
| October 1999 | 1.3 | -0.78% | +22.12% | Bill Clinton | Democrat |
| September 1999 | 1.3 | +1.59% | +24.27% | Bill Clinton | Democrat |
| August 1999 | 1.3 | +5.88% | +20% | Bill Clinton | Democrat |
| July 1999 | 1.2 | +3.48% | +10.19% | Bill Clinton | Democrat |
| June 1999 | 1.2 | -2.54% | +5.5% | Bill Clinton | Democrat |
| May 1999 | 1.2 | 0% | +8.26% | Bill Clinton | Democrat |
| April 1999 | 1.2 | +19.19% | +12.38% | Bill Clinton | Democrat |
| March 1999 | 1.0 | +3.13% | -4.81% | Bill Clinton | Democrat |
| February 1999 | 1.0 | -1.03% | -11.11% | Bill Clinton | Democrat |
| January 1999 | 1.0 | -2.02% | -14.16% | Bill Clinton | Democrat |
| December 1998 | 1.0 | -3.88% | -16.1% | Bill Clinton | Democrat |
| November 1998 | 1.0 | -0.96% | -14.88% | Bill Clinton | Democrat |
| October 1998 | 1.0 | +0.97% | -16.13% | Bill Clinton | Democrat |
| September 1998 | 1.0 | -1.9% | -19.53% | Bill Clinton | Democrat |
| August 1998 | 1.1 | -2.78% | -16% | Bill Clinton | Democrat |
| July 1998 | 1.1 | -0.92% | -10.74% | Bill Clinton | Democrat |
| June 1998 | 1.1 | 0% | -11.38% | Bill Clinton | Democrat |
| May 1998 | 1.1 | +3.81% | -11.38% | Bill Clinton | Democrat |
| April 1998 | 1.1 | +0.96% | -14.63% | Bill Clinton | Democrat |
| March 1998 | 1.0 | -3.7% | -16.13% | Bill Clinton | Democrat |
| February 1998 | 1.1 | -4.42% | -14.29% | Bill Clinton | Democrat |
| January 1998 | 1.1 | -4.24% | -10.32% | Bill Clinton | Democrat |
| December 1997 | 1.2 | -2.48% | -6.35% | Bill Clinton | Democrat |
| November 1997 | 1.2 | -2.42% | -3.2% | Bill Clinton | Democrat |
| October 1997 | 1.2 | -3.13% | +0.81% | Bill Clinton | Democrat |
| September 1997 | 1.3 | +2.4% | +4.07% | Bill Clinton | Democrat |
| August 1997 | 1.3 | +3.31% | +0.81% | Bill Clinton | Democrat |
| July 1997 | 1.2 | -1.63% | -4.72% | Bill Clinton | Democrat |
| June 1997 | 1.2 | 0% | -5.38% | Bill Clinton | Democrat |
| May 1997 | 1.2 | 0% | -6.82% | Bill Clinton | Democrat |
| April 1997 | 1.2 | -0.81% | -1.6% | Bill Clinton | Democrat |
| March 1997 | 1.2 | -1.59% | +6.9% | Bill Clinton | Democrat |
| February 1997 | 1.3 | 0% | +12.5% | Bill Clinton | Democrat |
| January 1997 | 1.3 | 0% | +11.5% | Bill Clinton | Democrat |
| December 1996 | 1.3 | +0.8% | +14.55% | Bill Clinton | Democrat |
| November 1996 | 1.3 | +1.63% | +13.64% | Bill Clinton | Democrat |
| October 1996 | 1.2 | 0% | +8.85% | Bill Clinton | Democrat |
| September 1996 | 1.2 | -0.81% | +6.96% | Bill Clinton | Democrat |
| August 1996 | 1.2 | -2.36% | +6.9% | Bill Clinton | Democrat |
| July 1996 | 1.3 | -2.31% | +5.83% | Bill Clinton | Democrat |
| June 1996 | 1.3 | -1.52% | +5.69% | Bill Clinton | Democrat |
| May 1996 | 1.3 | +5.6% | +10% | Bill Clinton | Democrat |
| April 1996 | 1.3 | +7.76% | +9.65% | Bill Clinton | Democrat |
| March 1996 | 1.2 | +3.57% | +3.57% | Bill Clinton | Democrat |
| February 1996 | 1.1 | -0.88% | 0% | Bill Clinton | Democrat |
| January 1996 | 1.1 | +2.73% | 0% | Bill Clinton | Democrat |
| December 1995 | 1.1 | 0% | -3.51% | Bill Clinton | Democrat |
| November 1995 | 1.1 | -2.65% | -5.17% | Bill Clinton | Democrat |
| October 1995 | 1.1 | -1.74% | -1.74% | Bill Clinton | Democrat |
| September 1995 | 1.2 | -0.86% | -2.54% | Bill Clinton | Democrat |
| August 1995 | 1.2 | -3.33% | -1.69% | Bill Clinton | Democrat |
| July 1995 | 1.2 | -2.44% | +5.26% | Bill Clinton | Democrat |
| June 1995 | 1.2 | +2.5% | +10.81% | Bill Clinton | Democrat |
| May 1995 | 1.2 | +5.26% | +11.11% | Bill Clinton | Democrat |
| April 1995 | 1.1 | +1.79% | +7.55% | Bill Clinton | Democrat |
| March 1995 | 1.1 | 0% | +6.67% | Bill Clinton | Democrat |
| February 1995 | 1.1 | -0.88% | +6.67% | Bill Clinton | Democrat |
| January 1995 | 1.1 | -0.88% | +8.65% | Bill Clinton | Democrat |
| December 1994 | 1.1 | -1.72% | +6.54% | Bill Clinton | Democrat |
| November 1994 | 1.2 | +0.87% | +4.5% | Bill Clinton | Democrat |
| October 1994 | 1.2 | -2.54% | +1.77% | Bill Clinton | Democrat |
| September 1994 | 1.2 | 0% | +8.26% | Bill Clinton | Democrat |
| August 1994 | 1.2 | +3.51% | +7.27% | Bill Clinton | Democrat |
| July 1994 | 1.1 | +2.7% | +2.7% | Bill Clinton | Democrat |
| June 1994 | 1.1 | +2.78% | -1.77% | Bill Clinton | Democrat |
| May 1994 | 1.1 | +1.89% | -4.42% | Bill Clinton | Democrat |
| April 1994 | 1.1 | +0.95% | -4.5% | Bill Clinton | Democrat |
| March 1994 | 1.1 | 0% | -4.55% | Bill Clinton | Democrat |
| February 1994 | 1.1 | +0.96% | -5.41% | Bill Clinton | Democrat |
| January 1994 | 1.0 | -2.8% | -7.14% | Bill Clinton | Democrat |
| December 1993 | 1.1 | -3.6% | -6.14% | Bill Clinton | Democrat |
| November 1993 | 1.1 | -1.77% | -4.31% | Bill Clinton | Democrat |
| October 1993 | 1.1 | +3.67% | -1.74% | Bill Clinton | Democrat |
| September 1993 | 1.1 | -0.91% | -6.03% | Bill Clinton | Democrat |
| August 1993 | 1.1 | -0.9% | -5.17% | Bill Clinton | Democrat |
| July 1993 | 1.1 | -1.77% | -5.13% | Bill Clinton | Democrat |
| June 1993 | 1.1 | 0% | -4.24% | Bill Clinton | Democrat |
| May 1993 | 1.1 | +1.8% | -0.88% | Bill Clinton | Democrat |
| April 1993 | 1.1 | +0.91% | +2.78% | Bill Clinton | Democrat |
| March 1993 | 1.1 | -0.9% | +3.77% | Bill Clinton | Democrat |
| February 1993 | 1.1 | -0.89% | +5.71% | Bill Clinton | Democrat |
| January 1993 | 1.1 | -1.75% | +4.67% | Bill Clinton | Democrat |
| December 1992 | 1.1 | -1.72% | +1.79% | George H. W. Bush | Republican |
| November 1992 | 1.2 | +0.87% | +2.65% | George H. W. Bush | Republican |
| October 1992 | 1.2 | -0.86% | +2.68% | George H. W. Bush | Republican |
| September 1992 | 1.2 | 0% | +1.75% | George H. W. Bush | Republican |
| August 1992 | 1.2 | -0.85% | +1.75% | George H. W. Bush | Republican |
| July 1992 | 1.2 | -0.85% | +3.54% | George H. W. Bush | Republican |
| June 1992 | 1.2 | +3.51% | +1.72% | George H. W. Bush | Republican |
| May 1992 | 1.1 | +5.56% | -1.72% | George H. W. Bush | Republican |
| April 1992 | 1.1 | +1.89% | -1.82% | George H. W. Bush | Republican |
| March 1992 | 1.1 | +0.95% | -1.85% | George H. W. Bush | Republican |
| February 1992 | 1.1 | -1.87% | -7.89% | George H. W. Bush | Republican |
| January 1992 | 1.1 | -4.46% | -14.4% | George H. W. Bush | Republican |
| December 1991 | 1.1 | -0.88% | -17.04% | George H. W. Bush | Republican |
| November 1991 | 1.1 | +0.89% | -18.12% | George H. W. Bush | Republican |
| October 1991 | 1.1 | -1.75% | -18.84% | George H. W. Bush | Republican |
| September 1991 | 1.1 | 0% | -11.63% | George H. W. Bush | Republican |
| August 1991 | 1.1 | +0.88% | -4.2% | George H. W. Bush | Republican |
| July 1991 | 1.1 | -2.59% | +4.63% | George H. W. Bush | Republican |
| June 1991 | 1.2 | 0% | +6.42% | George H. W. Bush | Republican |
| May 1991 | 1.2 | +5.45% | +9.43% | George H. W. Bush | Republican |
| April 1991 | 1.1 | +1.85% | +5.77% | George H. W. Bush | Republican |
| March 1991 | 1.1 | -5.26% | +5.88% | George H. W. Bush | Republican |
| February 1991 | 1.1 | -8.8% | +9.62% | George H. W. Bush | Republican |
| January 1991 | 1.3 | -7.41% | +20.19% | George H. W. Bush | Republican |
| December 1990 | 1.4 | -2.17% | +37.76% | George H. W. Bush | Republican |
| November 1990 | 1.4 | 0% | +38% | George H. W. Bush | Republican |
| October 1990 | 1.4 | +6.98% | +33.98% | George H. W. Bush | Republican |
| September 1990 | 1.3 | +8.4% | +25.24% | George H. W. Bush | Republican |
| August 1990 | 1.2 | +10.19% | +12.26% | George H. W. Bush | Republican |
| July 1990 | 1.1 | -0.92% | -0.92% | George H. W. Bush | Republican |
| June 1990 | 1.1 | +2.83% | -1.8% | George H. W. Bush | Republican |
| May 1990 | 1.1 | +1.92% | -5.36% | George H. W. Bush | Republican |
| April 1990 | 1.0 | +1.96% | -2.8% | George H. W. Bush | Republican |
| March 1990 | 1.0 | -1.92% | +8.51% | George H. W. Bush | Republican |
| February 1990 | 1.0 | 0% | +11.83% | George H. W. Bush | Republican |
| January 1990 | 1.0 | +6.12% | +13.04% | George H. W. Bush | Republican |
| December 1989 | 1.0 | -2% | +5.38% | George H. W. Bush | Republican |
| November 1989 | 1.0 | -2.91% | +5.26% | George H. W. Bush | Republican |
| October 1989 | 1.0 | 0% | +7.29% | George H. W. Bush | Republican |
| September 1989 | 1.0 | -2.83% | +6.19% | George H. W. Bush | Republican |
| August 1989 | 1.1 | -2.75% | +7.07% | George H. W. Bush | Republican |
| July 1989 | 1.1 | -1.8% | +12.37% | George H. W. Bush | Republican |
| June 1989 | 1.1 | -0.89% | +15.63% | George H. W. Bush | Republican |
| May 1989 | 1.1 | +4.67% | +16.67% | George H. W. Bush | Republican |
| April 1989 | 1.1 | +13.83% | +15.05% | George H. W. Bush | Republican |
| March 1989 | 0.9 | +1.08% | +4.44% | George H. W. Bush | Republican |
| February 1989 | 0.9 | +1.09% | +2.2% | George H. W. Bush | Republican |
| January 1989 | 0.9 | -1.08% | -1.08% | George H. W. Bush | Republican |
| December 1988 | 0.9 | -2.11% | -3.12% | Ronald Reagan | Republican |
| November 1988 | 1.0 | -1.04% | -3.06% | Ronald Reagan | Republican |
| October 1988 | 1.0 | -1.03% | -2.04% | Ronald Reagan | Republican |
| September 1988 | 1.0 | -2.02% | -2.02% | Ronald Reagan | Republican |
| August 1988 | 1.0 | +2.06% | -1% | Ronald Reagan | Republican |
| July 1988 | 1.0 | +1.04% | 0% | Ronald Reagan | Republican |
| June 1988 | 1.0 | 0% | 0% | Ronald Reagan | Republican |
| May 1988 | 1.0 | +3.23% | +2.13% | Ronald Reagan | Republican |
| April 1988 | 0.9 | +3.33% | 0% | Ronald Reagan | Republican |
| March 1988 | 0.9 | -1.1% | -1.1% | Ronald Reagan | Republican |
| February 1988 | 0.9 | -2.15% | 0% | Ronald Reagan | Republican |
| January 1988 | 0.9 | -3.12% | +8.14% | Ronald Reagan | Republican |
| December 1987 | 1.0 | -2.04% | +17.07% | Ronald Reagan | Republican |
| November 1987 | 1.0 | 0% | +19.51% | Ronald Reagan | Republican |
| October 1987 | 1.0 | -1.01% | +18.07% | Ronald Reagan | Republican |
| September 1987 | 1.0 | -1% | +15.12% | Ronald Reagan | Republican |
| August 1987 | 1.0 | +3.09% | +19.05% | Ronald Reagan | Republican |
| July 1987 | 1.0 | +1.04% | +8.99% | Ronald Reagan | Republican |
| June 1987 | 1.0 | +2.13% | 0% | Ronald Reagan | Republican |
| May 1987 | 0.9 | +1.08% | +2.17% | Ronald Reagan | Republican |
| April 1987 | 0.9 | +2.2% | +4.49% | Ronald Reagan | Republican |
| March 1987 | 0.9 | 0% | -7.14% | Ronald Reagan | Republican |
| February 1987 | 0.9 | +5.81% | -18.75% | Ronald Reagan | Republican |
| January 1987 | 0.9 | +4.88% | -27.73% | Ronald Reagan | Republican |
| December 1986 | 0.8 | 0% | -32.23% | Ronald Reagan | Republican |
| November 1986 | 0.8 | -1.2% | -32.23% | Ronald Reagan | Republican |
| October 1986 | 0.8 | -3.49% | -30.83% | Ronald Reagan | Republican |
| September 1986 | 0.9 | +2.38% | -29.51% | Ronald Reagan | Republican |
| August 1986 | 0.8 | -5.62% | -31.71% | Ronald Reagan | Republican |
| July 1986 | 0.9 | -7.29% | -28.23% | Ronald Reagan | Republican |
| June 1986 | 1.0 | +4.35% | -22.58% | Ronald Reagan | Republican |
| May 1986 | 0.9 | +3.37% | -25.2% | Ronald Reagan | Republican |
| April 1986 | 0.9 | -9.18% | -26.45% | Ronald Reagan | Republican |
| March 1986 | 1.0 | -12.5% | -15.52% | Ronald Reagan | Republican |
| February 1986 | 1.1 | -5.88% | -0.88% | Ronald Reagan | Republican |
| January 1986 | 1.2 | -1.65% | +3.48% | Ronald Reagan | Republican |
| December 1985 | 1.2 | 0% | +1.68% | Ronald Reagan | Republican |
| November 1985 | 1.2 | +0.83% | 0% | Ronald Reagan | Republican |
| October 1985 | 1.2 | -1.64% | -0.83% | Ronald Reagan | Republican |
| September 1985 | 1.2 | -0.81% | +1.67% | Ronald Reagan | Republican |
| August 1985 | 1.2 | -0.81% | +2.5% | Ronald Reagan | Republican |
| July 1985 | 1.2 | 0% | +2.48% | Ronald Reagan | Republican |
| June 1985 | 1.2 | +0.81% | +0.81% | Ronald Reagan | Republican |
| May 1985 | 1.2 | +1.65% | -0.81% | Ronald Reagan | Republican |
| April 1985 | 1.2 | +4.31% | -1.63% | Ronald Reagan | Republican |
| March 1985 | 1.2 | +2.65% | -4.13% | Ronald Reagan | Republican |
| February 1985 | 1.1 | -1.74% | -6.61% | Ronald Reagan | Republican |
| January 1985 | 1.2 | -3.36% | -5.74% | Ronald Reagan | Republican |
| December 1984 | 1.2 | -1.65% | -3.25% | Ronald Reagan | Republican |
| November 1984 | 1.2 | 0% | -2.42% | Ronald Reagan | Republican |
| October 1984 | 1.2 | +0.83% | -3.97% | Ronald Reagan | Republican |
| September 1984 | 1.2 | 0% | -5.51% | Ronald Reagan | Republican |
| August 1984 | 1.2 | -0.83% | -6.98% | Ronald Reagan | Republican |
| July 1984 | 1.2 | -1.63% | -6.2% | Ronald Reagan | Republican |
| June 1984 | 1.2 | -0.81% | -3.91% | Ronald Reagan | Republican |
| May 1984 | 1.2 | +0.81% | -1.59% | Ronald Reagan | Republican |
| April 1984 | 1.2 | +1.65% | +0.82% | Ronald Reagan | Republican |
| March 1984 | 1.2 | 0% | +5.22% | Ronald Reagan | Republican |
| February 1984 | 1.2 | -0.82% | +1.68% | Ronald Reagan | Republican |
| January 1984 | 1.2 | -0.81% | -0.81% | Ronald Reagan | Republican |
| December 1983 | 1.2 | -0.81% | -2.38% | Ronald Reagan | Republican |
| November 1983 | 1.2 | -1.59% | -3.13% | Ronald Reagan | Republican |
| October 1983 | 1.3 | -0.79% | -3.08% | Ronald Reagan | Republican |
| September 1983 | 1.3 | -1.55% | -3.05% | Ronald Reagan | Republican |
| August 1983 | 1.3 | 0% | -2.27% | Ronald Reagan | Republican |
| July 1983 | 1.3 | +0.78% | -3.01% | Ronald Reagan | Republican |
| June 1983 | 1.3 | +1.59% | -2.29% | Ronald Reagan | Republican |
| May 1983 | 1.3 | +3.28% | +1.61% | Ronald Reagan | Republican |
| April 1983 | 1.2 | +6.09% | -0.81% | Ronald Reagan | Republican |
| March 1983 | 1.2 | -3.36% | -10.16% | Ronald Reagan | Republican |
| February 1983 | 1.2 | -3.25% | -10.53% | Ronald Reagan | Republican |
| January 1983 | 1.2 | -2.38% | -9.56% | Ronald Reagan | Republican |
| December 1982 | 1.3 | -1.56% | -8.03% | Ronald Reagan | Republican |
| November 1982 | 1.3 | -1.54% | -6.57% | Ronald Reagan | Republican |
| October 1982 | 1.3 | -0.76% | -5.11% | Ronald Reagan | Republican |
| September 1982 | 1.3 | -0.76% | -5.07% | Ronald Reagan | Republican |
| August 1982 | 1.3 | -0.75% | -4.35% | Ronald Reagan | Republican |
| July 1982 | 1.3 | +1.53% | -3.62% | Ronald Reagan | Republican |
| June 1982 | 1.3 | +5.65% | -5.76% | Ronald Reagan | Republican |
| May 1982 | 1.2 | +0.81% | -11.43% | Ronald Reagan | Republican |
| April 1982 | 1.2 | -3.91% | -12.77% | Ronald Reagan | Republican |
| March 1982 | 1.3 | -3.76% | -9.86% | Ronald Reagan | Republican |
| February 1982 | 1.3 | -2.21% | -3.62% | Ronald Reagan | Republican |
| January 1982 | 1.4 | -0.73% | +4.62% | Ronald Reagan | Republican |
| December 1981 | 1.4 | 0% | +8.73% | Ronald Reagan | Republican |
| November 1981 | 1.4 | 0% | +9.6% | Ronald Reagan | Republican |
| October 1981 | 1.4 | -0.72% | +9.6% | Ronald Reagan | Republican |
| September 1981 | 1.4 | 0% | +9.52% | Ronald Reagan | Republican |
| August 1981 | 1.4 | 0% | +8.66% | Ronald Reagan | Republican |
| July 1981 | 1.4 | -0.72% | +8.66% | Ronald Reagan | Republican |
| June 1981 | 1.4 | -0.71% | +9.45% | Ronald Reagan | Republican |
| May 1981 | 1.4 | -0.71% | +10.24% | Ronald Reagan | Republican |
| April 1981 | 1.4 | -0.7% | +11.9% | Ronald Reagan | Republican |
| March 1981 | 1.4 | +2.9% | +13.6% | Ronald Reagan | Republican |
| February 1981 | 1.4 | +6.15% | +14.05% | Ronald Reagan | Republican |
| January 1981 | 1.3 | +3.17% | +15.04% | Ronald Reagan | Republican |
| December 1980 | 1.3 | +0.8% | +17.76% | Jimmy Carter | Democrat |
| November 1980 | 1.3 | 0% | +20.19% | Jimmy Carter | Democrat |
| October 1980 | 1.3 | -0.79% | +21.36% | Jimmy Carter | Democrat |
| September 1980 | 1.3 | -0.79% | +23.53% | Jimmy Carter | Democrat |
| August 1980 | 1.3 | 0% | +28.28% | Jimmy Carter | Democrat |
| July 1980 | 1.3 | 0% | +33.68% | Jimmy Carter | Democrat |
| June 1980 | 1.3 | 0% | +41.11% | Jimmy Carter | Democrat |
| May 1980 | 1.3 | +0.79% | +51.19% | Jimmy Carter | Democrat |
| April 1980 | 1.3 | +0.8% | +57.5% | Jimmy Carter | Democrat |
| March 1980 | 1.3 | +3.31% | +64.47% | Jimmy Carter | Democrat |
| February 1980 | 1.2 | +7.08% | +65.75% | Jimmy Carter | Democrat |
| January 1980 | 1.1 | +5.61% | +56.94% | Jimmy Carter | Democrat |
| December 1979 | 1.1 | +2.88% | +50.7% | Jimmy Carter | Democrat |
| November 1979 | 1.0 | +0.97% | +48.57% | Jimmy Carter | Democrat |
| October 1979 | 1.0 | +0.98% | +49.28% | Jimmy Carter | Democrat |
| September 1979 | 1.0 | +3.03% | +47.83% | Jimmy Carter | Democrat |
| August 1979 | 1.0 | +4.21% | +45.59% | Jimmy Carter | Democrat |
| July 1979 | 1.0 | +5.56% | +41.79% | Jimmy Carter | Democrat |
| June 1979 | 0.9 | +7.14% | +36.36% | Jimmy Carter | Democrat |
| May 1979 | 0.8 | +5% | +27.27% | Jimmy Carter | Democrat |
| April 1979 | 0.8 | +5.26% | +23.08% | Jimmy Carter | Democrat |
| March 1979 | 0.8 | +4.11% | +16.92% | Jimmy Carter | Democrat |
| February 1979 | 0.7 | +1.39% | +12.31% | Jimmy Carter | Democrat |
| January 1979 | 0.7 | +1.41% | +10.77% | Jimmy Carter | Democrat |
| December 1978 | 0.7 | +1.43% | +5.97% | Jimmy Carter | Democrat |
| November 1978 | 0.7 | +1.45% | +6.06% | Jimmy Carter | Democrat |
| October 1978 | 0.7 | 0% | +2.99% | Jimmy Carter | Democrat |
| September 1978 | 0.7 | +1.47% | +2.99% | Jimmy Carter | Democrat |
| August 1978 | 0.7 | +1.49% | +1.49% | Jimmy Carter | Democrat |
| July 1978 | 0.7 | +1.52% | 0% | Jimmy Carter | Democrat |
| June 1978 | 0.7 | 0% | -1.49% | Jimmy Carter | Democrat |
| May 1978 | 0.7 | +1.54% | 0% | Jimmy Carter | Democrat |
| April 1978 | 0.7 | 0% | 0% | Jimmy Carter | Democrat |
| March 1978 | 0.7 | 0% | +1.56% | Jimmy Carter | Democrat |
| February 1978 | 0.7 | 0% | +1.56% | Jimmy Carter | Democrat |
| January 1978 | 0.7 | -2.99% | +3.17% | Jimmy Carter | Democrat |
| December 1977 | 0.7 | +1.52% | +6.35% | Jimmy Carter | Democrat |
| November 1977 | 0.7 | -1.49% | +4.76% | Jimmy Carter | Democrat |
| October 1977 | 0.7 | 0% | +6.35% | Jimmy Carter | Democrat |
| September 1977 | 0.7 | 0% | +6.35% | Jimmy Carter | Democrat |
| August 1977 | 0.7 | 0% | +6.35% | Jimmy Carter | Democrat |
| July 1977 | 0.7 | 0% | +8.06% | Jimmy Carter | Democrat |
| June 1977 | 0.7 | +1.52% | +8.06% | Jimmy Carter | Democrat |
| May 1977 | 0.7 | +1.54% | +10% | Jimmy Carter | Democrat |
| April 1977 | 0.7 | +1.56% | +10.17% | Jimmy Carter | Democrat |
| March 1977 | 0.6 | 0% | +8.47% | Jimmy Carter | Democrat |
| February 1977 | 0.6 | +1.59% | +6.67% | Jimmy Carter | Democrat |
| January 1977 | 0.6 | 0% | +3.28% | Gerald Ford | Republican |
| December 1976 | 0.6 | 0% | — | Gerald Ford | Republican |
| November 1976 | 0.6 | 0% | — | Gerald Ford | Republican |
| October 1976 | 0.6 | 0% | — | Gerald Ford | Republican |
| September 1976 | 0.6 | 0% | — | Gerald Ford | Republican |
| August 1976 | 0.6 | +1.61% | — | Gerald Ford | Republican |
| July 1976 | 0.6 | 0% | — | Gerald Ford | Republican |
| June 1976 | 0.6 | +3.33% | — | Gerald Ford | Republican |
| May 1976 | 0.6 | +1.69% | — | Gerald Ford | Republican |
| April 1976 | 0.6 | 0% | — | Gerald Ford | Republican |
| March 1976 | 0.6 | -1.67% | — | Gerald Ford | Republican |
| February 1976 | 0.6 | -1.64% | — | Gerald Ford | Republican |
| January 1976 | 0.6 | — | — | Gerald Ford | Republican |