Year US Dollars adjusted for inflation) 1800 1080 1801 1081 1802 1081 1803 1081 1804 1081 1805 1081 1806 1081 1807 1082 1808 1082 1809 1082 1810 1082 1811 1082 1812 1082 1813 1083 1814 1083 1815 1083 1816 1083 1817 1083 1818 1083 1819 1084 1820 1084 1821 1085 1822 1086 1823 1088 1824 1089 1825 1090 1826 1092 1827 1093 1828 1095 1829 1096 1830 1097 1831 1099 1832 1100 1833 1101 1834 1103 1835 1104 1836 1106 1837 1107 1838 1108 1839 1110 1840 1111 1841 1112 1842 1114 1843 1115 1844 1117 1845 1118 1846 1119 1847 1121 1848 1122 1849 1124 1850 1125 1851 1126 1852 1128 1853 1129 1854 1131 1855 1132 1856 1134 1857 1135 1858 1136 1859 1138 1860 1139 1861 1141 1862 1142 1863 1143 1864 1145 1865 1146 1866 1148 1867 1149 1868 1151 1869 1152 1870 1153 1871 1164 1872 1175 1873 1186 1874 1197 1875 1208 1876 1219 1877 1230 1878 1242 1879 1253 1880 1265 1881 1277 1882 1288 1883 1300 1884 1312 1885 1325 1886 1337 1887 1349 1888 1362 1889 1374 1890 1387 1891 1400 1892 1413 1893 1426 1894 1439 1895 1453 1896 1466 1897 1480 1898 1493 1899 1507 1900 1521 1901 1535 1902 1549 1903 1564 1904 1578 1905 1593 1906 1608 1907 1623 1908 1638 1909 1653 1910 1668 1911 1682 1912 1696 1913 1710 1914 1662 1915 1616 1916 1571 1917 1527 1918 1556 1919 1585 1920 1616 1921 1646 1922 1677 1923 1681 1924 1685 1925 1690 1926 1694 1927 1698 1928 1702 1929 1707 1930 1674 1931 1642 1932 1611 1933 1581 1934 1551 1935 1521 1936 1493 1937 1512 1938 1532 1939 1552 1940 1572 1941 1593 1942 1614 1943 1635 1944 1657 1945 1679 1946 1701 1947 1724 1948 1747 1949 1770 1950 1794 1951 1686 1952 2074 1953 2295 1954 2569 1955 2261 1956 2609 1957 2697 1958 2260 1959 2276 1960 2247 1961 2210 1962 2932 1963 2578 1964 2894 1965 2810 1966 2503 1967 2580 1968 2598 1969 3009 1970 2582 1971 2744 1972 3317 1973 2933 1974 3521 1975 4071 1976 4372 1977 4178 1978 4398 1979 4411 1980 4777 1981 5055 1982 4987 1983 4886 1984 4531 1985 4653 1986 4284 1987 4234 1988 4654 1989 3749 1990 3809 1991 3991 1992 4399 1993 4498 1994 4693 1995 4894 1996 5246 1997 5385 1998 5620 1999 5291 2000 5188 2001 5232 2002 5474 2003 5341 2004 5546 2005 5738 2006 5888 2007 6094 2008 6246 2009 6497 2010 6603 2011 6358 2012 6300 2013 5000 2014 4300 2015 3500 2016 3300 2017 3100 2018 2900 2019 2900 2020 2913 2021 2926 2022 2939 2023 2952 2024 2978 2025 3004 2026 3044 2027 3085 2028 3133 2029 3181 2030 3237 2031 3295 2032 3361 2033 3428 2034 3496 2035 3566 2036 3645 2037 3726 2038 3809 2039 3893 2040 3979