| Years Served | Answer | % Correct |
|---|---|---|
| 2005–2008 | Barack Obama | 100%
|
| 1973–2009 | Joe Biden | 100%
|
| 1953–1960 | John F. Kennedy | 95%
|
| 1935–1945 | Harry Truman | 90%
|
| 1790–1794 | James Monroe | 90%
|
| 1949–1961 | Lyndon B. Johnson | 90%
|
| 1950–1953 | Richard Nixon | 85%
|
| 1803–1808 | John Quincy Adams | 83%
|
| 1915–1921 | Warren G. Harding | 83%
|
| 1797–1798, 1823–1825 | Andrew Jackson | 75%
|
| 1881–1887 | Benjamin Harrison | 75%
|
| 1857–1862, 1875 | Andrew Johnson | 73%
|
| 1821–1828 | Martin Van Buren | 73%
|
| 1825–1828 | William Henry Harrison | 73%
|
| 1827–1836 | John Tyler | 70%
|
| 1834–1845 | James Buchanan | 68%
|
| 1837–1842 | Franklin Pierce | 65%
|