Year US Dollars adjusted for inflation) 1800 2528000 1801 2528000 1802 2528000 1803 2528000 1804 2528000 1805 2528000 1806 2528000 1807 2528000 1808 2528000 1809 2528000 1810 2528000 1811 2528000 1812 2528000 1813 2528000 1814 2528000 1815 2528000 1816 2528000 1817 2528000 1818 2528000 1819 2528000 1820 2528000 1821 2551000 1822 2573000 1823 2596000 1824 2619000 1825 2643000 1826 2666000 1827 2690000 1828 2713000 1829 2737000 1830 2762000 1831 2786000 1832 2810000 1833 2835000 1834 2860000 1835 2886000 1836 2912000 1837 2938000 1838 2963000 1839 2990000 1840 3016000 1841 3043000 1842 3070000 1843 3098000 1844 3125000 1845 3153000 1846 3181000 1847 3209000 1848 3237000 1849 3265000 1850 3295000 1851 3324000 1852 3353000 1853 3383000 1854 3414000 1855 3444000 1856 3474000 1857 3505000 1858 3536000 1859 3567000 1860 3599000 1861 3631000 1862 3663000 1863 3696000 1864 3728000 1865 3761000 1866 3794000 1867 3828000 1868 3863000 1869 3897000 1870 3931000 1871 3966000 1872 4001000 1873 4037000 1874 4073000 1875 4109000 1876 4145000 1877 4182000 1878 4219000 1879 4257000 1880 4294000 1881 4332000 1882 4370000 1883 4409000 1884 4448000 1885 4488000 1886 4527000 1887 4567000 1888 4609000 1889 4649000 1890 4691000 1891 4731000 1892 4773000 1893 4816000 1894 4858000 1895 4901000 1896 4946000 1897 4989000 1898 5034000 1899 5078000 1900 5123000 1901 5169000 1902 5214000 1903 5261000 1904 5307000 1905 5355000 1906 5402000 1907 5450000 1908 5499000 1909 5547000 1910 5597000 1911 5646000 1912 5696000 1913 5746000 1914 5833000 1915 5920000 1916 6008000 1917 6098000 1918 6190000 1919 6284000 1920 6377000 1921 6472000 1922 6570000 1923 6669000 1924 6769000 1925 6870000 1926 6973000 1927 7077000 1928 7184000 1929 7291000 1930 7401000 1931 7512000 1932 7625000 1933 7739000 1934 7854000 1935 7973000 1936 8091000 1937 8213000 1938 8336000 1939 8461000 1940 8588000 1941 8718000 1942 8847000 1943 8981000 1944 9116000 1945 9252000 1946 9391000 1947 9531000 1948 9675000 1949 9819000 1950 9967000 1951 10170000 1952 10410000 1953 10670000 1954 10950000 1955 11240000 1956 11540000 1957 11860000 1958 12180000 1959 12540000 1960 12920000 1961 13340000 1962 13790000 1963 14240000 1964 14690000 1965 15120000 1966 15530000 1967 15900000 1968 16260000 1969 16600000 1970 16950000 1971 17350000 1972 17520000 1973 23480000 1974 27070000 1975 27080000 1976 27180000 1977 27830000 1978 29390000 1979 30010000 1980 27870000 1981 25920000 1982 20920000 1983 20850000 1984 22360000 1985 21840000 1986 21570000 1987 23500000 1988 25680000 1989 24930000 1990 28540000 1991 29400000 1992 30120000 1993 31290000 1994 34440000 1995 32630000 1996 32840000 1997 36070000 1998 39700000 1999 40520000 2000 35260000 2001 39890000 2002 42140000 2003 44540000 2004 46380000 2005 48270000