| 1800 | 51 | $1.961 | -- | |
| 1801 | 50 | $2.000 | -2.1% | |
| 1802 | 43 | $2.326 | -14.1% | |
| 1803 | 45 | $2.222 | 5.0% | Louisiana Purchase; Ohio admitted to Union |
| 1804 | 45 | $2.222 | 0.0% | |
| 1805 | 45 | $2.222 | 0.0% | |
| 1806 | 47 | $2.128 | 4.2% | |
| 1807 | 44 | $2.273 | -6.3% | |
| 1808 | 48 | $2.083 | 9.2% | |
| 1809 | 47 | $2.128 | -2.2% | |
| 1810 | 47 | $2.128 | 0.0% | |
| 1811 | 50 | $2.000 | 6.3% | |
| 1812 | 51 | $1.961 | 2.2% | War of 1812; Louisiana admitted to Union |
| 1813 | 58 | $1.724 | 13.8% | |
| 1814 | 63 | $1.587 | 8.4% | |
| 1815 | 55 | $1.818 | -12.4% | Napoleon defeated |
| 1816 | 51 | $1.961 | -7.4% | Indiana admitted to Union |
| 1817 | 48 | $2.083 | -5.8% | Mississippi admitted to Union |
| 1818 | 46 | $2.174 | -4.5% | Illinois admitted to Union |
| 1819 | 46 | $2.174 | 0.0% | Alabama admitted to Union |
| 1820 | 42 | $2.381 | -8.2% | Maine admitted to Union |
| 1821 | 40 | $2.500 | -5.1% | Missouri admitted to Union |
| 1822 | 40 | $2.500 | 0.0% | |
| 1823 | 36 | $2.778 | -10.1% | |
| 1824 | 33 | $3.030 | -8.3% | |
| 1825 | 34 | $2.941 | 3.3% | |
| 1826 | 34 | $2.941 | 0.0% | |
| 1827 | 34 | $2.941 | 0.0% | first railroad in U.S. |
| 1828 | 33 | $3.030 | -3.2% | |
| 1829 | 32 | $3.125 | -2.5% | |
| 1830 | 32 | $3.125 | 0.0% | |
| 1831 | 32 | $3.125 | 0.0% | |
| 1832 | 30 | $3.333 | -6.7% | |
| 1833 | 29 | $3.448 | -3.6% | |
| 1834 | 30 | $3.333 | 3.7% | |
| 1835 | 31 | $3.226 | 3.6% | |
| 1836 | 33 | $3.030 | 6.1% | Colt's revolver; Arkansas admitted to Union |
| 1837 | 34 | $2.941 | 3.3% | Michigan admitted to Union |
| 1838 | 32 | $3.125 | -5.6% | |
| 1839 | 32 | $3.125 | 0.0% | |
| 1840 | 30 | $3.333 | -6.7% | |
| 1841 | 31 | $3.226 | 3.6% | |
| 1842 | 29 | $3.448 | -7.0% | |
| 1843 | 28 | $3.571 | -2.8% | |
| 1844 | 28 | $3.571 | 0.0% | |
| 1845 | 28 | $3.571 | 0.0% | Florida & Texas admitted to Union |
| 1846 | 27 | $3.704 | -3.8% | Iowa admitted to Union |
| 1847 | 28 | $3.571 | 4.0% | |
| 1848 | 26 | $3.846 | -7.7% | Wisconsin admitted to Union |
| 1849 | 25 | $4.000 | -3.1% | California gold rush |
| 1850 | 25 | $4.000 | 0.0% | end "little ice age" (~1350-1850) warm trend; California admitted to Union |
| 1851 | 25 | $4.000 | 0.0% | |
| 1852 | 25 | $4.000 | 0.0% | |
| 1853 | 25 | $4.000 | 0.0% | |
| 1854 | 27 | $3.704 | 7.5% | |
| 1855 | 28 | $3.571 | 4.0% | |
| 1856 | 27 | $3.704 | -3.8% | |
| 1857 | 28 | $3.571 | 4.0% | |
| 1858 | 26 | $3.846 | -7.7% | Minnesota admitted to Union |
| 1859 | 27 | $3.704 | 4.2% | Colorado gold rush; Oregon admitted to Union |
| 1860 | 27 | $3.704 | 0.0% | |
| 1861 | 27 | $3.704 | 0.0% | Civil War; Kansas admitted to Union |
| 1862 | 30 | $3.333 | 11.0% | |
| 1863 | 37 | $2.703 | 23.4% | West Virginia admitted to Union |
| 1864 | 47 | $2.128 | 27.0% | Nevada admitted to Union |
| 1865 | 46 | $2.174 | -2.3% | end Civil War |
| 1866 | 44 | $2.273 | -4.1% | |
| 1867 | 42 | $2.381 | -4.3% | Nebraska admitted to Union; Midway Islands Territory |
| 1868 | 40 | $2.500 | -5.1% | |
| 1869 | 40 | $2.500 | 0.0% | Transcontinental Railroad completed |
| 1870 | 38 | $2.632 | -4.7% | Suez Canal completed |
| 1871 | 36 | $2.778 | -5.7% | |
| 1872 | 36 | $2.778 | 0.0% | |
| 1873 | 36 | $2.778 | 0.0% | "Long Depression" ~1873 -- ~1897 |
| 1874 | 34 | $2.941 | -5.3% | |
| 1875 | 33 | $3.030 | -3.2% | |
| 1876 | 32 | $3.125 | -2.5% | A.G. Bell - telephone; Colorado admitted to Union |
| 1877 | 32 | $3.125 | 0.0% | |
| 1878 | 29 | $3.448 | -10.1% | |
| 1879 | 28 | $3.571 | -2.8% | |
| 1880 | 29 | $3.448 | 2.9% | |
| 1881 | 29 | $3.448 | 0.0% | |
| 1882 | 29 | $3.448 | 0.0% | |
| 1883 | 28 | $3.571 | -2.8% | |
| 1884 | 27 | $3.704 | -3.8% | |
| 1885 | 27 | $3.704 | 0.0% | |
| 1886 | 27 | $3.704 | 0.0% | gasoline automobiles in Europe |
| 1887 | 27 | $3.704 | 0.0% | |
| 1888 | 27 | $3.704 | 0.0% | |
| 1889 | 27 | $3.704 | 0.0% | North Dakota, South Dakota, Montana & Washington admitted to Union |
| 1890 | 27 | $3.704 | 0.0% | Idaho & Wyoming admitted to Union |
| 1891 | 27 | $3.704 | 0.0% | |
| 1892 | 27 | $3.704 | 0.0% | |
| 1893 | 27 | $3.704 | 0.0% | |
| 1894 | 26 | $3.846 | -4.0% | |
| 1895 | 25 | $4.000 | -3.1% | Marconi -- telegraph |
| 1896 | 25 | $4.000 | 0.0% | Klondike gold rush; penicillin; Utah admitted to Union |
| 1897 | 25 | $4.000 | 0.0% | |
| 1898 | 25 | $4.000 | 0.0% | end Spanish-American War; Puerto Rico Territory |
| 1899 | 25 | $4.000 | 0.0% | American Samoa Territory |
| 1900 | 25 | $4.000 | 0.0% | |
| 1901 | 25 | $4.000 | 0.0% | |
| 1902 | 26 | $3.846 | 3.2% | Oldsmobile production line |
| 1903 | 27 | $3.704 | 4.2% | |
| 1904 | 27 | $3.704 | 0.0% | |
| 1905 | 27 | $3.704 | 0.0% | |
| 1906 | 27 | $3.704 | 0.0% | |
| 1907 | 28 | $3.571 | 4.0% | Oklahoma admitted to Union |
| 1908 | 27 | $3.704 | -3.8% | |
| 1909 | 27 | $3.704 | 0.0% | |
| 1910 | 28 | $3.571 | 4.0% | Ford production line |
| 1911 | 28 | $3.571 | 0.0% | |
| 1912 | 29 | $3.448 | 2.9% | New Mexico & Arizona admitted to Union |
| 1913 | 29.7 | $3.367 | 2.8% | ** Federal Reserve Act |
| 1914 | 30.1 | $3.322 | 0.9% | WW-I begins |
| 1915 | 30.4 | $3.289 | 1.8% | |
| 1916 | 32.7 | $3.058 | 7.1% | |
| 1917 | 38.4 | $2.604 | 17.4% | U.S. enters WW-I |
| 1918 | 45.1 | $2.217 | 17.6% | end WW-I; influenza epidemic |
| 1919 | 51.8 | $1.931 | 15.0% | influenza epidemic -- ( epidemic list) |
| 1920 | 60 | $1.667 | 15.6% | recession |
| 1921 | 53.6 | $1.866 | -10.4% | |
| 1922 | 50.2 | $1.992 | -6.5% | |
| 1923 | 51.1 | $1.957 | 1.6% | |
| 1924 | 51.2 | $1.953 | 0.5% | |
| 1925 | 52.5 | $1.905 | 2.1% | |
| 1926 | 53 | $1.887 | 1.0% | |
| 1927 | 52 | $1.923 | -1.5% | Virgin Islands Territory |
| 1928 | 51.3 | $1.949 | -1.6% | |
| 1929 | 51.3 | $1.949 | 0.0% | Great Depression -- through 1930's |
| 1930 | 50 | $2.000 | -2.6% | |
| 1931 | 45.6 | $2.193 | -8.6% | |
| 1932 | 40.9 | $2.445 | -10.7% | New Deal |
| 1933 | 38.8 | $2.577 | -4.6% | Third Reich |
| 1934 | 40.1 | $2.494 | 3.5% | |
| 1935 | 41.1 | $2.433 | 2.0% | |
| 1936 | 41.5 | $2.410 | 1.3% | |
| 1937 | 43 | $2.326 | 3.2% | recession |
| 1938 | 42.2 | $2.370 | -1.9% | |
| 1939 | 41.6 | $2.404 | -1.3% | invasion of Poland - WW-II |
| 1940 | 42 | $2.381 | 1.3% | |
| 1941 | 44.1 | $2.268 | 4.5% | Pearl Harbor - U.S. in WW-II |
| 1942 | 48.8 | $2.049 | 11.0% | baby boom (~1940 - 1957) |
| 1943 | 51.8 | $1.931 | 6.1% | |
| 1944 | 52.7 | $1.898 | 1.6% | |
| 1945 | 53.9 | $1.855 | 2.6% | end WW-II |
| 1946 | 58.5 | $1.709 | 8.5% | ENIAC -- computer |
| 1947 | 66.9 | $1.495 | 14.3% | Micronesia, Mariana Islands, Marshall Islands & Palua Territories |
| 1948 | 72.1 | $1.387 | 7.7% | |
| 1949 | 71.4 | $1.401 | -1.1% | |
| 1950 | 72.1 | $1.387 | 1.1% | Korean War; Guam Territory |
| 1951 | 77.8 | $1.285 | 7.9% | |
| 1952 | 79.5 | $1.258 | 2.1% | |
| 1953 | 80.1 | $1.248 | 1.0% | end Korean War |
| 1954 | 80.5 | $1.242 | 0.3% | |
| 1955 | 80.2 | $1.247 | -0.3% | |
| 1956 | 81.4 | $1.229 | 1.3% | |
| 1957 | 84.3 | $1.186 | 3.7% | baby boom peak |
| 1958 | 86.6 | $1.155 | 2.9% | U.S. space program begins |
| 1959 | 87.3 | $1.145 | 0.6% | Integrated Circuit; Vietnam war; Alaska & Hawaii admitted to Union |
| 1960 | 88.7 | $1.127 | 1.9% | |
| 1961 | 89.6 | $1.116 | 0.9% | |
| 1962 | 90.6 | $1.104 | 1.2% | |
| 1963 | 91.7 | $1.091 | 1.2% | |
| 1964 | 92.9 | $1.076 | 1.2% | |
| 1965 | 94.5 | $1.058 | 1.7% | |
| 1966 | 97.2 | $1.029 | 2.9% | |
| 1967 | 100 | $1.000 | 2.8% | |
| 1968 | 104.2 | $0.960 | 4.3% | |
| 1969 | 109.8 | $0.911 | 5.4% | |
| 1970 | 116.3 | $0.860 | 5.9% | |
| 1971 | 121.3 | $0.824 | 4.2% | |
| 1972 | 125.3 | $0.798 | 3.3% | |
| 1973 | 133.1 | $0.751 | 6.3% | Arab oil embargo |
| 1974 | 147.7 | $0.677 | 11.0% | |
| 1975 | 161.2 | $0.620 | 9.1% | personal computer; end Vietnam war |
| 1976 | 170.5 | $0.587 | 5.7% | |
| 1977 | 181.5 | $0.551 | 6.5% | |
| 1978 | 195.4 | $0.512 | 7.7% | |
| 1979 | 217.4 | $0.460 | 11.2% | oil crisis -- Iranian revolution |
| 1980 | 246.8 | $0.405 | 13.5% | |
| 1981 | 272.4 | $0.367 | 10.4% | |
| 1982 | 289.1 | $0.346 | 6.1% | |
| 1983 | 298.4 | $0.335 | 3.2% | |
| 1984 | 311.1 | $0.321 | 4.3% | |
| 1985 | 322.2 | $0.310 | 3.6% | |
| 1986 | 328.4 | $0.305 | 1.9% | |
| 1987 | 340.4 | $0.294 | 3.7% | |
| 1988 | 354.3 | $0.282 | 4.0% | |
| 1989 | 371.3 | $0.269 | 4.8% | Berlin Wall falls |
| 1990 | 391.4 | $0.255 | 5.5% | |
| 1991 | 408 | $0.245 | 4.2% | USSR dissolved; Persian Gulf War |
| 1992 | 420.3 | $0.238 | 3.0% | |
| 1993 | 432.7 | $0.231 | 3.0% | |
| 1994 | 444 | $0.225 | 2.6% | |
| 1995 | 456.5 | $0.219 | 2.9% | |
| 1996 | 469.9 | $0.213 | 2.9% | |
| 1997 | 480.8 | $0.208 | 2.4% | |
| 1998 | 488.3 | $0.205 | 1.6% | |
| 1999 | 499.1 | $0.200 | 2.2% | |
| 2000 | 515.8 | $0.194 | 3.3% | |
| 2001 | 530.1 | $0.189 | 2.8% | Islamic attack on U.S. (9-11) [ 1 ] [ 2 ] [ 3 ] [ 4 ] |
| 2002 | 538.8 | $0.186 | 1.7% | (Oct. 2001) Invasion of Afghanistan |
| 2003 | 551.1 | $0.181 | 2.3% | Invasion of Iraq |
| 2004 | 565.8 | $0.177 | 2.7% | oil price increases |
| 2005 | 585.1 | $0.171 | 3.3% | |
| 2006 | 603.9 | $0.166 | 3.1% | |
| 2007 | 621.1 | $0.161 | 2.9% | |
| 2008 | 645 | $0.155 | 3.9% | |
| 2009 | 642.7 | $0.156 | -0.4% | |
| 2010* | 651.7 | $0.153 | 1.4% |