| Year | Popular Vote | Winner Vote | 2nd Place |
| 1800 | 1.433899009 | 0.8682490708 | 0.5656499379 |
| 1820 | 0.9061931412 | 0.9061931412 | 0 |
| 1840 | 14.08506764 | 7.471768427 | 6.613299208 |
| 1860 | 14.89992104 | 5.934195055 | 2.696976569 |
| 1880 | 18.00724469 | 9.005544512 | 9.001700177 |
| 1900 | 17.84465179 | 9.485183521 | 8.359468268 |
| 1920 | 23.84774577 | 15.22717812 | 8.620567657 |
| 1940 | 37.57548559 | 20.66652922 | 16.90895637 |
| 1952 | 39.58062187 | 21.94820248 | 17.63241939 |
| 1956 | 37.01908128 | 21.37913077 | 15.63995051 |
| 1960 | 38.25884501 | 19.16100954 | 19.09783546 |
| 1964 | 37.02136021 | 22.71105048 | 14.31030973 |
| 1968 | 36.74512435 | 16.00810369 | 15.75025985 |
| 1972 | 36.66390903 | 22.65320313 | 14.01070591 |
| 1976 | 36.94699504 | 18.86228545 | 18.08470958 |
| 1980 | 35.04101139 | 19.37930687 | 15.66170452 |
| 1984 | 38.93723085 | 23.03898466 | 15.89824619 |
| 1988 | 36.8663423 | 19.8716212 | 16.9947211 |
| 1992 | 32.43574285 | 17.338515 | 15.09722785 |
| 1996 | 34.68643715 | 17.36490988 | 14.35956753 |
| 2000 | 35.41246532 | 17.6113113 | 17.80115401 |
| 2004 | 40.62126685 | 20.81595661 | 19.80531025 |
| 2008 | 41.79331362 | 22.43834842 | 19.3549652 |
| 2012 | 39.56776397 | 20.56093837 | 19.00682561 |
| 2016 | 38.93367876 | 19.03339504 | 19.90028372 |
| 2020 | 45.80313409 | 23.94122258 | 21.86191151 |
