Year US Dollars adjusted for inflation) 1800 4233 1801 4159 1802 4389 1803 4295 1804 4500 1805 4236 1806 4268 1807 3912 1808 3481 1809 3428 1810 3925 1811 3964 1812 3445 1813 3095 1814 2981 1815 3942 1816 3746 1817 3776 1818 3829 1819 3644 1820 3898 1821 3812 1822 3841 1823 4026 1824 3990 1825 3881 1826 3935 1827 4160 1828 4243 1829 4242 1830 3865 1831 4147 1832 4334 1833 4229 1834 4259 1835 4239 1836 4372 1837 4467 1838 4506 1839 4497 1840 4532 1841 4569 1842 4449 1843 4363 1844 4396 1845 4356 1846 4356 1847 4378 1848 4442 1849 4566 1850 4645 1851 4704 1852 4642 1853 4529 1854 4799 1855 4659 1856 4838 1857 4745 1858 4607 1859 4434 1860 4639 1861 4504 1862 4674 1863 4754 1864 4936 1865 4936 1866 5114 1867 4929 1868 4952 1869 5105 1870 5259 1871 5218 1872 5267 1873 5367 1874 5157 1875 5446 1876 5450 1877 5507 1878 5482 1879 5205 1880 5497 1881 5521 1882 5588 1883 5928 1884 5957 1885 6008 1886 6021 1887 6091 1888 6090 1889 6220 1890 5891 1891 5830 1892 5933 1893 5794 1894 6050 1895 6000 1896 6161 1897 6222 1898 6224 1899 6220 1900 6060 1901 6256 1902 6416 1903 6305 1904 6292 1905 6505 1906 6536 1907 6321 1908 6353 1909 6598 1910 6790 1911 6919 1912 7004 1913 7225 1914 7011 1915 6623 1916 6497 1917 5735 1918 5295 1919 5874 1920 6649 1921 7725 1922 8058 1923 8056 1924 8446 1925 8552 1926 8957 1927 9197 1928 9412 1929 9409 1930 9121 1931 8621 1932 8355 1933 8236 1934 8017 1935 8112 1936 8447 1937 8813 1938 8431 1939 9007 1940 7810 1941 7298 1942 6590 1943 6370 1944 4213 1945 4260 1946 7106 1947 8051 1948 8755 1949 9231 1950 9460 1951 9535 1952 9579 1953 10274 1954 10857 1955 11486 1956 11854 1957 12062 1958 11770 1959 12161 1960 13118 1961 13338 1962 13738 1963 14026 1964 15070 1965 15691 1966 15961 1967 16666 1968 17655 1969 18706 1970 19601 1971 20344 1972 20805 1973 21776 1974 22626 1975 22598 1976 23572 1977 24159 1978 24755 1979 25175 1980 25550 1981 25394 1982 25092 1983 25598 1984 26444 1985 27192 1986 28049 1987 28557 1988 29517 1989 30820 1990 32090 1991 32615 1992 32921 1993 33104 1994 33879 1995 34763 1996 35837 1997 37186 1998 38630 1999 40312 2000 41722 2001 42288 2002 42062 2003 41983 2004 42687 2005 43507 2006 44966 2007 46528 2008 47134 2009 45126 2010 45525 2011 46067 2012 45411 2013 45191 2014 45668 2015 46354 2016 47128 2017 47855 2018 48542 2019 49215 2020 49979 2021 50775 2022 51622 2023 52534 2024 53518 2025 54576 2026 55701 2027 56885 2028 58119 2029 59394 2030 60705 2031 62048 2032 63422 2033 64827 2034 66263 2035 67731 2036 69231 2037 70765 2038 72333 2039 73935 2040 75573