Year US Dollars adjusted for inflation) 1800 1445 1801 1445 1802 1445 1803 1446 1804 1446 1805 1446 1806 1446 1807 1447 1808 1447 1809 1447 1810 1447 1811 1447 1812 1448 1813 1448 1814 1448 1815 1448 1816 1449 1817 1449 1818 1449 1819 1449 1820 1449 1821 1459 1822 1469 1823 1479 1824 1489 1825 1499 1826 1509 1827 1519 1828 1530 1829 1540 1830 1550 1831 1561 1832 1571 1833 1582 1834 1593 1835 1603 1836 1614 1837 1625 1838 1636 1839 1647 1840 1658 1841 1670 1842 1681 1843 1692 1844 1704 1845 1715 1846 1727 1847 1738 1848 1750 1849 1762 1850 1774 1851 1786 1852 1798 1853 1810 1854 1822 1855 1835 1856 1847 1857 1860 1858 1872 1859 1885 1860 1897 1861 1910 1862 1923 1863 1936 1864 1949 1865 1962 1866 1976 1867 1989 1868 2003 1869 2016 1870 2030 1871 2043 1872 2057 1873 2071 1874 2085 1875 2099 1876 2113 1877 2128 1878 2142 1879 2156 1880 2171 1881 2186 1882 2200 1883 2215 1884 2230 1885 2245 1886 2261 1887 2276 1888 2291 1889 2307 1890 2322 1891 2338 1892 2354 1893 2370 1894 2386 1895 2402 1896 2418 1897 2434 1898 2451 1899 2467 1900 2484 1901 2501 1902 2518 1903 2535 1904 2552 1905 2569 1906 2586 1907 2604 1908 2622 1909 2639 1910 2657 1911 2675 1912 2693 1913 2711 1914 2809 1915 2911 1916 3016 1917 3125 1918 3238 1919 3355 1920 3476 1921 3604 1922 3738 1923 3876 1924 4020 1925 4169 1926 4323 1927 4483 1928 4649 1929 4821 1930 4999 1931 5184 1932 5375 1933 5574 1934 5780 1935 5994 1936 6215 1937 6445 1938 6683 1939 6930 1940 7186 1941 7451 1942 7726 1943 8012 1944 8307 1945 8614 1946 8932 1947 9261 1948 9603 1949 9957 1950 10324 1951 10705 1952 11100 1953 11509 1954 11933 1955 12373 1956 12829 1957 13302 1958 13792 1959 14300 1960 14827 1961 15618 1962 16405 1963 17248 1964 18161 1965 19156 1966 20007 1967 21049 1968 21976 1969 23154 1970 21211 1971 21018 1972 19856 1973 20958 1974 17128 1975 14320 1976 14767 1977 15791 1978 17661 1979 21812 1980 22748 1981 21634 1982 22520 1983 23561 1984 23646 1985 24155 1986 24343 1987 24818 1988 24960 1989 25110 1990 24281 1991 22840 1992 21552 1993 21217 1994 21510 1995 22111 1996 22749 1997 22961 1998 23788 1999 25183 2000 25847 2001 26067 2002 26251 2003 25378 2004 25064 2005 25385 2006 25514 2007 25392 2008 24350 2009 22926 2010 22895 2011 22675 2012 23029 2013 22715 2014 22304 2015 21670 2016 21482 2017 21706 2018 21920 2019 22063 2020 22228 2021 22413 2022 22637 2023 22913 2024 23247 2025 23639 2026 24082 2027 24568 2028 25087 2029 25631 2030 26194 2031 26773 2032 27366 2033 27972 2034 28592 2035 29225 2036 29872 2037 30534 2038 31210 2039 31901 2040 32608