Year US Dollars adjusted for inflation) 1800 1108 1801 1108 1802 1109 1803 1109 1804 1109 1805 1109 1806 1109 1807 1109 1808 1110 1809 1110 1810 1110 1811 1110 1812 1110 1813 1110 1814 1111 1815 1111 1816 1111 1817 1111 1818 1111 1819 1111 1820 1112 1821 1114 1822 1116 1823 1119 1824 1121 1825 1123 1826 1126 1827 1128 1828 1131 1829 1133 1830 1135 1831 1138 1832 1140 1833 1143 1834 1145 1835 1147 1836 1150 1837 1152 1838 1155 1839 1157 1840 1160 1841 1162 1842 1165 1843 1167 1844 1170 1845 1172 1846 1175 1847 1177 1848 1180 1849 1182 1850 1185 1851 1267 1852 1232 1853 1157 1854 1117 1855 1128 1856 1169 1857 1252 1858 1332 1859 1322 1860 1357 1861 1345 1862 1281 1863 1311 1864 1329 1865 1428 1866 1480 1867 1603 1868 1604 1869 1604 1870 1487 1871 1487 1872 1539 1873 1494 1874 1517 1875 1540 1876 1482 1877 1441 1878 1512 1879 1524 1880 1454 1881 1466 1882 1502 1883 1461 1884 1560 1885 1449 1886 1497 1887 1398 1888 1344 1889 1363 1890 1491 1891 1585 1892 1374 1893 1170 1894 1170 1895 1387 1896 1259 1897 1241 1898 1270 1899 1247 1900 1200 1901 1353 1902 1314 1903 1317 1904 1300 1905 1321 1906 1456 1907 1444 1908 1368 1909 1474 1910 1487 1911 1532 1912 1592 1913 1597 1914 1530 1915 1497 1916 1471 1917 1570 1918 1491 1919 1568 1920 1721 1921 1701 1922 1784 1923 1878 1924 1852 1925 1797 1926 1834 1927 1976 1928 2142 1929 2099 1930 1997 1931 1870 1932 1896 1933 2012 1934 2133 1935 2137 1936 2330 1937 2370 1938 2407 1939 2398 1940 2308 1941 2351 1942 2214 1943 2337 1944 2451 1945 2458 1946 2663 1947 2643 1948 2812 1949 2933 1950 3032 1951 3075 1952 3192 1953 3230 1954 3368 1955 3545 1956 3523 1957 3670 1958 3938 1959 4187 1960 4436 1961 4666 1962 4827 1963 4701 1964 4711 1965 4674 1966 4840 1967 4893 1968 5220 1969 5555 1970 5936 1971 6469 1972 7089 1973 7912 1974 8370 1975 8605 1976 9284 1977 9522 1978 9770 1979 10199 1980 10934 1981 10236 1982 10106 1983 9601 1984 9925 1985 10508 1986 11093 1987 11281 1988 11076 1989 11241 1990 10345 1991 10320 1992 10100 1993 10398 1994 10776 1995 11072 1996 11137 1997 11335 1998 11197 1999 11081 2000 11371 2001 11369 2002 11560 2003 11543 2004 12058 2005 12299 2006 12645 2007 13271 2008 13806 2009 13653 2010 14539 2011 14973 2012 15118 2013 15430 2014 15371 2015 14666 2016 14024 2017 14165 2018 14341 2019 14530 2020 14638 2021 14760 2022 14907 2023 15088 2024 15308 2025 15566 2026 15858 2027 16178 2028 16520 2029 16878 2030 17249 2031 17630 2032 18020 2033 18419 2034 18827 2035 19244 2036 19670 2037 20106 2038 20551 2039 21006 2040 21471