Year US Dollars adjusted for inflation) 1800 1078 1801 1088 1802 1098 1803 1107 1804 1117 1805 1127 1806 1136 1807 1146 1808 1156 1809 1165 1810 1175 1811 1185 1812 1204 1813 1223 1814 1242 1815 1262 1816 1281 1817 1300 1818 1319 1819 1339 1820 1350 1821 1361 1822 1373 1823 1384 1824 1395 1825 1407 1826 1418 1827 1430 1828 1441 1829 1453 1830 1465 1831 1477 1832 1489 1833 1502 1834 1514 1835 1526 1836 1539 1837 1551 1838 1564 1839 1577 1840 1590 1841 1603 1842 1616 1843 1629 1844 1643 1845 1656 1846 1670 1847 1683 1848 1697 1849 1711 1850 1725 1851 1732 1852 1739 1853 1746 1854 1752 1855 1759 1856 1766 1857 1773 1858 1780 1859 1787 1860 1794 1861 1801 1862 1808 1863 1815 1864 1822 1865 1829 1866 1836 1867 1843 1868 1851 1869 1858 1870 1865 1871 1897 1872 1930 1873 1964 1874 1998 1875 2033 1876 2068 1877 2104 1878 2141 1879 2178 1880 2216 1881 2254 1882 2294 1883 2333 1884 2374 1885 2415 1886 2457 1887 2500 1888 2543 1889 2588 1890 2633 1891 2651 1892 2669 1893 2688 1894 2706 1895 2725 1896 2744 1897 2763 1898 2782 1899 2802 1900 2821 1901 2866 1902 2913 1903 2960 1904 3007 1905 3056 1906 3105 1907 3155 1908 3206 1909 3258 1910 3310 1911 3311 1912 3311 1913 3312 1914 3301 1915 3290 1916 3279 1917 3267 1918 3256 1919 3246 1920 3235 1921 3267 1922 3316 1923 3440 1924 3635 1925 3761 1926 3967 1927 3848 1928 4128 1929 4286 1930 4143 1931 3962 1932 3545 1933 3605 1934 3689 1935 3584 1936 3994 1937 4005 1938 4267 1939 4442 1940 4403 1941 4365 1942 4327 1943 4289 1944 4252 1945 4215 1946 4178 1947 4142 1948 4876 1949 5285 1950 4885 1951 5011 1952 4562 1953 5175 1954 5393 1955 5662 1956 5488 1957 6347 1958 6553 1959 7290 1960 7679 1961 7946 1962 8015 1963 8764 1964 9514 1965 9676 1966 10100 1967 10185 1968 10312 1969 11376 1970 11831 1971 13080 1972 13409 1973 13740 1974 15375 1975 15239 1976 15562 1977 16540 1978 17300 1979 18331 1980 19101 1981 19323 1982 19338 1983 19394 1984 19775 1985 19829 1986 20537 1987 20210 1988 19836 1989 19497 1990 18005 1991 14111 1992 12348 1993 11254 1994 11840 1995 12625 1996 13887 1997 14557 1998 15062 1999 14747 2000 15745 2001 16235 2002 17086 2003 18036 2004 18777 2005 19545 2006 20490 2007 21564 2008 22015 2009 20414 2010 20118 2011 20704 2012 20313 2013 20153 2014 20136 2015 20636 2016 21409 2017 22034 2018 22620 2019 23156 2020 23804 2021 24461 2022 25120 2023 25776 2024 26424 2025 27065 2026 27701 2027 28336 2028 28975 2029 29622 2030 30280 2031 30952 2032 31638 2033 32339 2034 33055 2035 33787 2036 34535 2037 35300 2038 36082 2039 36881 2040 37698