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