Year US Dollars adjusted for inflation) 1800 1270 1801 1271 1802 1273 1803 1274 1804 1276 1805 1277 1806 1279 1807 1280 1808 1282 1809 1284 1810 1285 1811 1287 1812 1288 1813 1290 1814 1291 1815 1293 1816 1294 1817 1296 1818 1297 1819 1299 1820 1300 1821 1309 1822 1317 1823 1326 1824 1334 1825 1343 1826 1352 1827 1361 1828 1369 1829 1378 1830 1387 1831 1396 1832 1405 1833 1414 1834 1424 1835 1433 1836 1442 1837 1451 1838 1461 1839 1470 1840 1480 1841 1489 1842 1499 1843 1509 1844 1519 1845 1528 1846 1538 1847 1548 1848 1558 1849 1568 1850 1579 1851 1589 1852 1599 1853 1610 1854 1620 1855 1630 1856 1641 1857 1652 1858 1662 1859 1673 1860 1684 1861 1695 1862 1706 1863 1717 1864 1728 1865 1739 1866 1751 1867 1762 1868 1773 1869 1785 1870 1796 1871 1808 1872 1820 1873 1832 1874 1843 1875 1855 1876 1867 1877 1879 1878 1892 1879 1904 1880 1916 1881 1929 1882 1941 1883 1954 1884 1966 1885 1979 1886 1903 1887 2225 1888 2141 1889 1991 1890 1983 1891 1817 1892 1989 1893 2255 1894 2564 1895 2373 1896 2614 1897 2571 1898 2639 1899 2801 1900 2741 1901 2810 1902 3054 1903 2844 1904 3145 1905 2784 1906 2662 1907 2558 1908 2794 1909 2901 1910 3096 1911 2861 1912 3092 1913 3248 1914 3102 1915 3193 1916 2839 1917 2493 1918 1995 1919 1836 1920 2387 1921 2745 1922 3156 1923 3376 1924 3434 1925 3594 1926 3692 1927 3946 1928 4177 1929 4192 1930 4112 1931 3980 1932 3932 1933 4166 1934 4607 1935 4767 1936 5053 1937 5303 1938 5530 1939 5249 1940 4960 1941 4866 1942 4774 1943 4683 1944 4594 1945 4507 1946 4422 1947 4912 1948 5548 1949 6058 1950 6561 1951 6477 1952 6777 1953 6951 1954 7165 1955 7640 1956 8223 1957 8242 1958 8704 1959 8453 1960 9087 1961 9436 1962 9530 1963 9171 1964 10212 1965 10657 1966 11045 1967 11408 1968 11953 1969 12004 1970 12803 1971 13011 1972 12951 1973 13902 1974 14167 1975 14070 1976 14592 1977 14798 1978 15034 1979 14834 1980 14728 1981 14737 1982 14971 1983 15315 1984 15361 1985 15357 1986 15843 1987 15907 1988 16111 1989 16266 1990 15764 1991 14836 1992 11682 1993 9819 1994 8880 1995 9357 1996 9914 1997 10815 1998 11708 1999 11657 2000 12189 2001 13092 2002 14090 2003 15702 2004 16919 2005 18526 2006 20218 2007 22728 2008 23566 2009 20299 2010 21069 2011 22854 2012 24051 2013 25148 2014 26251 2015 26971 2016 27904 2017 29095 2018 30368 2019 31691 2020 33035 2021 34396 2022 35735 2023 37018 2024 38225 2025 39351 2026 40407 2027 41412 2028 42388 2029 43355 2030 44327 2031 45313 2032 46318 2033 47344 2034 48393 2035 49465 2036 50561 2037 51681 2038 52826 2039 53996 2040 55192