Year US Dollars adjusted for inflation) 1800 775 1801 775 1802 775 1803 775 1804 775 1805 776 1806 776 1807 776 1808 776 1809 776 1810 777 1811 777 1812 777 1813 777 1814 777 1815 778 1816 778 1817 778 1818 778 1819 778 1820 779 1821 783 1822 787 1823 792 1824 796 1825 800 1826 805 1827 809 1828 814 1829 818 1830 823 1831 827 1832 832 1833 837 1834 841 1835 846 1836 851 1837 855 1838 860 1839 865 1840 870 1841 874 1842 879 1843 884 1844 889 1845 894 1846 899 1847 904 1848 909 1849 914 1850 919 1851 924 1852 929 1853 934 1854 939 1855 945 1856 950 1857 955 1858 960 1859 966 1860 971 1861 976 1862 982 1863 987 1864 993 1865 998 1866 1004 1867 1009 1868 1015 1869 1021 1870 1026 1871 1032 1872 1038 1873 1043 1874 1049 1875 1055 1876 1061 1877 1067 1878 1073 1879 1078 1880 1084 1881 1090 1882 1096 1883 1103 1884 1109 1885 1115 1886 1071 1887 1251 1888 1203 1889 1117 1890 1112 1891 1018 1892 1113 1893 1261 1894 1432 1895 1324 1896 1457 1897 1432 1898 1469 1899 1557 1900 1522 1901 1559 1902 1693 1903 1575 1904 1740 1905 1539 1906 1470 1907 1411 1908 1540 1909 1598 1910 1703 1911 1573 1912 1698 1913 1782 1914 1700 1915 1749 1916 1553 1917 1363 1918 834 1919 718 1920 721 1921 660 1922 767 1923 884 1924 1121 1925 1402 1926 1575 1927 1642 1928 1728 1929 1749 1930 1830 1931 1848 1932 1820 1933 1890 1934 2065 1935 2363 1936 2526 1937 2737 1938 2731 1939 2844 1940 2727 1941 2678 1942 2629 1943 2582 1944 2535 1945 2489 1946 2444 1947 2717 1948 3071 1949 3357 1950 3638 1951 3595 1952 3765 1953 3864 1954 3987 1955 4254 1956 4583 1957 4597 1958 4859 1959 4723 1960 5081 1961 5285 1962 5348 1963 5155 1964 5751 1965 6012 1966 6241 1967 6458 1968 6778 1969 6819 1970 7285 1971 7416 1972 7395 1973 7952 1974 8076 1975 7994 1976 8263 1977 8351 1978 8456 1979 8315 1980 8228 1981 8205 1982 8307 1983 8469 1984 8466 1985 8435 1986 8673 1987 8679 1988 8760 1989 8814 1990 8513 1991 8323 1992 6346 1993 4806 1994 3808 1995 3320 1996 3329 1997 3488 1998 3801 1999 4047 2000 4459 2001 4863 2002 5338 2003 5891 2004 6435 2005 8052 2006 10711 2007 13243 2008 14365 2009 15394 2010 15950 2011 15754 2012 15888 2013 16593 2014 16715 2015 16699 2016 15994 2017 16187 2018 16552 2019 16874 2020 17025 2021 17191 2022 17384 2023 17613 2024 17883 2025 18194 2026 18542 2027 18920 2028 19322 2029 19742 2030 20176 2031 20622 2032 21079 2033 21546 2034 22023 2035 22511 2036 23010 2037 23520 2038 24041 2039 24574 2040 25118