Year US Dollars adjusted for inflation) 1800 608 1801 608 1802 608 1803 609 1804 609 1805 609 1806 610 1807 610 1808 610 1809 611 1810 611 1811 611 1812 612 1813 612 1814 612 1815 613 1816 613 1817 613 1818 614 1819 614 1820 614 1821 618 1822 622 1823 625 1824 629 1825 633 1826 636 1827 640 1828 644 1829 647 1830 651 1831 655 1832 659 1833 663 1834 666 1835 670 1836 674 1837 678 1838 682 1839 686 1840 690 1841 694 1842 698 1843 702 1844 706 1845 710 1846 715 1847 719 1848 723 1849 727 1850 731 1851 736 1852 740 1853 744 1854 749 1855 753 1856 757 1857 762 1858 766 1859 771 1860 775 1861 780 1862 784 1863 789 1864 793 1865 798 1866 803 1867 807 1868 812 1869 817 1870 822 1871 826 1872 831 1873 836 1874 841 1875 846 1876 851 1877 856 1878 861 1879 866 1880 871 1881 876 1882 881 1883 886 1884 891 1885 896 1886 861 1887 1007 1888 968 1889 899 1890 895 1891 820 1892 897 1893 1016 1894 1154 1895 1068 1896 1175 1897 1155 1898 1185 1899 1257 1900 1229 1901 1259 1902 1368 1903 1273 1904 1407 1905 1245 1906 1189 1907 1142 1908 1246 1909 1293 1910 1380 1911 1274 1912 1376 1913 1444 1914 1379 1915 1418 1916 1260 1917 1106 1918 677 1919 583 1920 585 1921 535 1922 621 1923 715 1924 906 1925 1132 1926 1270 1927 1323 1928 1391 1929 1406 1930 1469 1931 1482 1932 1459 1933 1513 1934 1651 1935 1887 1936 2015 1937 2181 1938 2174 1939 2261 1940 2166 1941 2125 1942 2084 1943 2044 1944 2005 1945 1966 1946 1928 1947 2142 1948 2419 1949 2641 1950 2859 1951 2822 1952 2952 1953 3027 1954 3119 1955 3325 1956 3578 1957 3586 1958 3786 1959 3676 1960 3951 1961 4104 1962 4147 1963 3992 1964 4448 1965 4643 1966 4815 1967 4975 1968 5215 1969 5239 1970 5590 1971 5683 1972 5660 1973 6078 1974 6264 1975 6292 1976 6600 1977 6769 1978 6956 1979 6941 1980 6970 1981 7054 1982 7247 1983 7498 1984 7606 1985 7690 1986 8024 1987 8148 1988 8347 1989 8523 1990 8354 1991 8250 1992 7442 1993 6861 1994 6065 1995 5452 1996 5623 1997 6291 1998 6852 1999 7115 2000 7563 2001 7961 2002 8416 2003 9072 2004 10180 2005 11213 2006 12410 2007 13540 2008 14972 2009 15036 2010 16235 2011 17167 2012 17480 2013 17656 2014 17944 2015 17230 2016 16742 2017 16935 2018 17159 2019 17612 2020 17826 2021 18053 2022 18303 2023 18584 2024 18900 2025 19250 2026 19632 2027 20041 2028 20471 2029 20918 2030 21379 2031 21852 2032 22336 2033 22831 2034 23337 2035 23854 2036 24382 2037 24922 2038 25474 2039 26038 2040 26615