Year US Dollars adjusted for inflation) 1800 658 1801 658 1802 658 1803 658 1804 659 1805 659 1806 659 1807 659 1808 659 1809 659 1810 659 1811 659 1812 659 1813 659 1814 660 1815 660 1816 660 1817 660 1818 660 1819 660 1820 660 1821 660 1822 660 1823 660 1824 660 1825 661 1826 661 1827 661 1828 661 1829 661 1830 661 1831 661 1832 661 1833 661 1834 661 1835 662 1836 662 1837 662 1838 662 1839 662 1840 662 1841 736 1842 817 1843 908 1844 1009 1845 1121 1846 1245 1847 1383 1848 1537 1849 1708 1850 1897 1851 2027 1852 2165 1853 2313 1854 2471 1855 2639 1856 2820 1857 3012 1858 3218 1859 3438 1860 3672 1861 3799 1862 3930 1863 4065 1864 4205 1865 4350 1866 4500 1867 4655 1868 4816 1869 4982 1870 5153 1871 5246 1872 5859 1873 6372 1874 6394 1875 6136 1876 6029 1877 6628 1878 7109 1879 5942 1880 6238 1881 6269 1882 6072 1883 5821 1884 6168 1885 5977 1886 6002 1887 6007 1888 5925 1889 6171 1890 6262 1891 6222 1892 6339 1893 6320 1894 5972 1895 6077 1896 6656 1897 6593 1898 6653 1899 6747 1900 7178 1901 7054 1902 7414 1903 7898 1904 7637 1905 8105 1906 8621 1907 8926 1908 8084 1909 7977 1910 8891 1911 9189 1912 8715 1913 8621 1914 8684 1915 8659 1916 8571 1917 8385 1918 8223 1919 8847 1920 9449 1921 8596 1922 8120 1923 8635 1924 8638 1925 8893 1926 8249 1927 7880 1928 8657 1929 8867 1930 8363 1931 7550 1932 7305 1933 7730 1934 8059 1935 8388 1936 9883 1937 10333 1938 10950 1939 10952 1940 10689 1941 10404 1942 11484 1943 11774 1944 11678 1945 11788 1946 12191 1947 13365 1948 11809 1949 12824 1950 14426 1951 13064 1952 13316 1953 13424 1954 14949 1955 14926 1956 15404 1957 15489 1958 15737 1959 16507 1960 16232 1961 16720 1962 16704 1963 17401 1964 17902 1965 18702 1966 19542 1967 18381 1968 18154 1969 19826 1970 19280 1971 19955 1972 20437 1973 21436 1974 22231 1975 21566 1976 21851 1977 20720 1978 20807 1979 21248 1980 21365 1981 22303 1982 22551 1983 22928 1984 23824 1985 23878 1986 24312 1987 24357 1988 24196 1989 24345 1990 24161 1991 22767 1992 22782 1993 23964 1994 24862 1995 25660 1996 26174 1997 26358 1998 26338 1999 27629 2000 28265 2001 29067 2002 29900 2003 30652 2004 31392 2005 32065 2006 32564 2007 33194 2008 32545 2009 32123 2010 32253 2011 32735 2012 33287 2013 33841 2014 34469 2015 34646 2016 35269 2017 35873 2018 36354 2019 36841 2020 37388 2021 37960 2022 38572 2023 39235 2024 39956 2025 40736 2026 41570 2027 42450 2028 43369 2029 44320 2030 45298 2031 46300 2032 47325 2033 48373 2034 49445 2035 50540 2036 51660 2037 52804 2038 53974 2039 55170 2040 56392