Year US Dollars adjusted for inflation)
1800 556
1801 557
1802 557
1803 557
1804 557
1805 557
1806 558
1807 558
1808 558
1809 558
1810 558
1811 559
1812 559
1813 559
1814 559
1815 559
1816 560
1817 560
1818 560
1819 560
1820 561
1821 564
1822 567
1823 570
1824 573
1825 577
1826 580
1827 583
1828 586
1829 590
1830 593
1831 596
1832 600
1833 603
1834 607
1835 610
1836 614
1837 617
1838 620
1839 624
1840 628
1841 631
1842 635
1843 638
1844 642
1845 645
1846 649
1847 653
1848 657
1849 660
1850 664
1851 668
1852 672
1853 675
1854 679
1855 683
1856 687
1857 691
1858 695
1859 699
1860 703
1861 707
1862 711
1863 715
1864 719
1865 723
1866 727
1867 731
1868 735
1869 739
1870 743
1871 748
1872 752
1873 756
1874 760
1875 765
1876 769
1877 773
1878 778
1879 782
1880 786
1881 791
1882 795
1883 800
1884 804
1885 809
1886 777
1887 908
1888 873
1889 811
1890 807
1891 739
1892 809
1893 916
1894 1040
1895 962
1896 1059
1897 1041
1898 1068
1899 1132
1900 1107
1901 1134
1902 1231
1903 1146
1904 1266
1905 1120
1906 1070
1907 1027
1908 1121
1909 1163
1910 1240
1911 1145
1912 1236
1913 1298
1914 1238
1915 1274
1916 1132
1917 993
1918 608
1919 523
1920 525
1921 480
1922 556
1923 640
1924 809
1925 1009
1926 1131
1927 1177
1928 1235
1929 1248
1930 1302
1931 1312
1932 1289
1933 1336
1934 1456
1935 1662
1936 1772
1937 1915
1938 1907
1939 1981
1940 1895
1941 1856
1942 1818
1943 1781
1944 1745
1945 1709
1946 1674
1947 1857
1948 2094
1949 2283
1950 2469
1951 2434
1952 2543
1953 2604
1954 2680
1955 2853
1956 3066
1957 3069
1958 3236
1959 3138
1960 3368
1961 3495
1962 3528
1963 3392
1964 3774
1965 3936
1966 4076
1967 4207
1968 4405
1969 4421
1970 4712
1971 4785
1972 4759
1973 5105
1974 5063
1975 4893
1976 4938
1977 4874
1978 4819
1979 4627
1980 4470
1981 4353
1982 4303
1983 4284
1984 4182
1985 4068
1986 4084
1987 3991
1988 3933
1989 3864
1990 3645
1991 3313
1992 2308
1993 1898
1994 1471
1995 1270
1996 1043
1997 1045
1998 1085
1999 1107
2000 1180
2001 1277
2002 1389
2003 1511
2004 1633
2005 1707
2006 1788
2007 1887
2008 1992
2009 2022
2010 2106
2011 2212
2012 2324
2013 2441
2014 2547
2015 2641
2016 2763
2017 2841
2018 2922
2019 3005
2020 3090
2021 3177
2022 3264
2023 3350
2024 3435
2025 3519
2026 3602
2027 3685
2028 3768
2029 3852
2030 3938
2031 4025
2032 4114
2033 4205
2034 4298
2035 4393
2036 4490
2037 4589
2038 4691
2039 4795
2040 4901