Year US Dollars adjusted for inflation) 1800 1915 1801 1916 1802 1916 1803 1916 1804 1917 1805 1917 1806 1917 1807 1917 1808 1918 1809 1918 1810 1918 1811 1919 1812 1919 1813 1919 1814 1919 1815 1920 1816 1920 1817 1920 1818 1921 1819 1921 1820 1921 1821 1937 1822 1953 1823 1969 1824 1985 1825 2001 1826 2017 1827 2034 1828 2050 1829 2067 1830 2084 1831 2101 1832 2118 1833 2136 1834 2153 1835 2171 1836 2188 1837 2206 1838 2224 1839 2242 1840 2261 1841 2279 1842 2298 1843 2317 1844 2336 1845 2355 1846 2374 1847 2393 1848 2413 1849 2433 1850 2452 1851 2462 1852 2472 1853 2482 1854 2491 1855 2501 1856 2511 1857 2521 1858 2531 1859 2541 1860 2551 1861 2561 1862 2571 1863 2581 1864 2591 1865 2602 1866 2612 1867 2622 1868 2633 1869 2643 1870 2653 1871 2688 1872 2723 1873 2759 1874 2795 1875 2831 1876 2869 1877 2906 1878 2944 1879 2983 1880 3022 1881 3061 1882 3101 1883 3142 1884 3183 1885 3224 1886 3267 1887 3309 1888 3353 1889 3397 1890 3441 1891 3490 1892 3539 1893 3589 1894 3640 1895 3691 1896 3743 1897 3796 1898 3850 1899 3904 1900 3959 1901 4016 1902 4073 1903 4132 1904 4191 1905 4251 1906 4312 1907 4374 1908 4437 1909 4501 1910 4566 1911 4645 1912 4725 1913 4807 1914 4753 1915 4699 1916 4646 1917 4594 1918 4542 1919 4490 1920 4440 1921 4789 1922 4611 1923 4945 1924 5413 1925 5998 1926 5930 1927 6338 1928 6861 1929 7014 1930 6748 1931 6481 1932 6185 1933 5892 1934 5643 1935 5569 1936 6008 1937 6664 1938 6709 1939 6754 1940 6799 1941 6844 1942 6890 1943 6936 1944 6982 1945 7029 1946 7076 1947 7123 1948 7170 1949 7570 1950 8133 1951 8189 1952 8363 1953 8242 1954 8494 1955 9126 1956 9566 1957 10057 1958 10736 1959 11135 1960 11903 1961 12268 1962 12365 1963 12056 1964 12532 1965 12910 1966 13398 1967 13924 1968 14530 1969 14841 1970 15107 1971 15559 1972 16030 1973 16461 1974 16936 1975 17306 1976 17454 1977 18119 1978 18223 1979 18269 1980 18688 1981 18529 1982 18844 1983 19086 1984 19493 1985 19608 1986 19940 1987 20005 1988 20419 1989 20560 1990 19965 1991 17689 1992 17581 1993 17574 1994 18078 1995 19215 1996 20061 1997 19947 1998 19903 1999 20210 2000 21137 2001 21864 2002 22267 2003 23076 2004 24210 2005 25734 2006 27429 2007 28778 2008 29314 2009 27736 2010 28290 2011 28797 2012 28527 2013 28380 2014 29120 2015 30381 2016 31072 2017 31661 2018 32302 2019 32962 2020 33668 2021 34390 2022 35131 2023 35892 2024 36673 2025 37476 2026 38300 2027 39145 2028 40010 2029 40895 2030 41801 2031 42727 2032 43673 2033 44640 2034 45629 2035 46640 2036 47673 2037 48729 2038 49808 2039 50911 2040 52039