Year US Dollars adjusted for inflation) 1800 1378 1801 1378 1802 1379 1803 1379 1804 1379 1805 1379 1806 1380 1807 1380 1808 1380 1809 1380 1810 1380 1811 1381 1812 1381 1813 1381 1814 1381 1815 1381 1816 1382 1817 1382 1818 1382 1819 1382 1820 1382 1821 1379 1822 1376 1823 1373 1824 1370 1825 1367 1826 1364 1827 1361 1828 1358 1829 1355 1830 1352 1831 1349 1832 1346 1833 1343 1834 1340 1835 1337 1836 1334 1837 1331 1838 1328 1839 1325 1840 1322 1841 1319 1842 1316 1843 1313 1844 1310 1845 1308 1846 1305 1847 1302 1848 1299 1849 1296 1850 1293 1851 1290 1852 1287 1853 1284 1854 1282 1855 1279 1856 1276 1857 1273 1858 1270 1859 1267 1860 1265 1861 1262 1862 1259 1863 1256 1864 1253 1865 1251 1866 1248 1867 1245 1868 1242 1869 1239 1870 1237 1871 1262 1872 1288 1873 1315 1874 1342 1875 1370 1876 1398 1877 1427 1878 1456 1879 1486 1880 1517 1881 1548 1882 1580 1883 1613 1884 1646 1885 1680 1886 1715 1887 1750 1888 1786 1889 1823 1890 1861 1891 1904 1892 1947 1893 1992 1894 2038 1895 2085 1896 2119 1897 2229 1898 2325 1899 2178 1900 2163 1901 2325 1902 2135 1903 2351 1904 2367 1905 2587 1906 2531 1907 2652 1908 2619 1909 2668 1910 2664 1911 2559 1912 2539 1913 2388 1914 2394 1915 2361 1916 2544 1917 2655 1918 2761 1919 2873 1920 3058 1921 3053 1922 3081 1923 3143 1924 3047 1925 3192 1926 3338 1927 3143 1928 3118 1929 2952 1930 2724 1931 2772 1932 2314 1933 2539 1934 2671 1935 2828 1936 3009 1937 3061 1938 3062 1939 3179 1940 3173 1941 3399 1942 3501 1943 3539 1944 3736 1945 3755 1946 3904 1947 3936 1948 3995 1949 4109 1950 4408 1951 4618 1952 4665 1953 4540 1954 4860 1955 5129 1956 5328 1957 5574 1958 5705 1959 5706 1960 5999 1961 6112 1962 6213 1963 6520 1964 7083 1965 7323 1966 7601 1967 7839 1968 8231 1969 8491 1970 8810 1971 8865 1972 9312 1973 9757 1974 10026 1975 10302 1976 10461 1977 10528 1978 11196 1979 11997 1980 12808 1981 13601 1982 13225 1983 12478 1984 12643 1985 12661 1986 12018 1987 11990 1988 11914 1989 12179 1990 12584 1991 12858 1992 13061 1993 13325 1994 13691 1995 12670 1996 13184 1997 13871 1998 14297 1999 14462 2000 15015 2001 14729 2002 14566 2003 14594 2004 15028 2005 15273 2006 15792 2007 16044 2008 16008 2009 15012 2010 15535 2011 15923 2012 16324 2013 16316 2014 16459 2015 16668 2016 16831 2017 16993 2018 17288 2019 17589 2020 17812 2021 18048 2022 18307 2023 18595 2024 18916 2025 19271 2026 19656 2027 20067 2028 20498 2029 20946 2030 21407 2031 21880 2032 22364 2033 22859 2034 23365 2035 23883 2036 24412 2037 24953 2038 25506 2039 26071 2040 26649