Year US Dollars adjusted for inflation)
1800 663
1801 663
1802 663
1803 663
1804 663
1805 663
1806 663
1807 663
1808 663
1809 663
1810 664
1811 664
1812 664
1813 664
1814 664
1815 664
1816 664
1817 664
1818 664
1819 664
1820 665
1821 667
1822 669
1823 671
1824 674
1825 676
1826 678
1827 680
1828 683
1829 685
1830 687
1831 690
1832 692
1833 694
1834 697
1835 699
1836 702
1837 704
1838 706
1839 709
1840 711
1841 714
1842 716
1843 718
1844 721
1845 723
1846 726
1847 728
1848 731
1849 733
1850 736
1851 738
1852 741
1853 743
1854 746
1855 748
1856 751
1857 753
1858 756
1859 758
1860 761
1861 764
1862 766
1863 769
1864 771
1865 774
1866 777
1867 779
1868 782
1869 785
1870 787
1871 790
1872 793
1873 795
1874 798
1875 801
1876 803
1877 806
1878 809
1879 812
1880 814
1881 817
1882 820
1883 823
1884 826
1885 828
1886 831
1887 834
1888 837
1889 840
1890 843
1891 845
1892 848
1893 851
1894 854
1895 857
1896 860
1897 863
1898 866
1899 869
1900 872
1901 875
1902 877
1903 880
1904 883
1905 886
1906 889
1907 892
1908 896
1909 899
1910 902
1911 905
1912 908
1913 911
1914 922
1915 934
1916 945
1917 957
1918 969
1919 981
1920 993
1921 1004
1922 1015
1923 1027
1924 1038
1925 1050
1926 1061
1927 1073
1928 1085
1929 1097
1930 1109
1931 1122
1932 1134
1933 1147
1934 1159
1935 1172
1936 1185
1937 1198
1938 1212
1939 1225
1940 1239
1941 1252
1942 1266
1943 1280
1944 1294
1945 1309
1946 1323
1947 1338
1948 1352
1949 1367
1950 1382
1951 1398
1952 1413
1953 1428
1954 1444
1955 1460
1956 1476
1957 1492
1958 1509
1959 1525
1960 1542
1961 1559
1962 1576
1963 1593
1964 1610
1965 1628
1966 1646
1967 1664
1968 1682
1969 1700
1970 1719
1971 1737
1972 1756
1973 1775
1974 1850
1975 1910
1976 1921
1977 1993
1978 2003
1979 2017
1980 2325
1981 2656
1982 3074
1983 3290
1984 3381
1985 3623
1986 3700
1987 3796
1988 3697
1989 3680
1990 3574
1991 3796
1992 3799
1993 3935
1994 4122
1995 4264
1996 4252
1997 4230
1998 4327
1999 4474
2000 4602
2001 4742
2002 4876
2003 4948
2004 4901
2005 4947
2006 4875
2007 4642
2008 4755
2009 4837
2010 4984
2011 5102
2012 5129
2013 4950
2014 5031
2015 5189
2016 5332
2017 5409
2018 5499
2019 5522
2020 5594
2021 5670
2022 5753
2023 5845
2024 5947
2025 6059
2026 6181
2027 6310
2028 6446
2029 6587
2030 6732
2031 6881
2032 7033
2033 7189
2034 7348
2035 7511
2036 7677
2037 7847
2038 8021
2039 8199
2040 8381