Year US Dollars adjusted for inflation)
1800 839
1801 839
1802 839
1803 839
1804 839
1805 839
1806 840
1807 840
1808 840
1809 840
1810 840
1811 840
1812 840
1813 840
1814 841
1815 841
1816 841
1817 841
1818 841
1819 841
1820 841
1821 844
1822 847
1823 850
1824 853
1825 856
1826 859
1827 862
1828 865
1829 867
1830 870
1831 873
1832 876
1833 879
1834 882
1835 885
1836 888
1837 891
1838 894
1839 897
1840 900
1841 903
1842 907
1843 910
1844 913
1845 916
1846 919
1847 922
1848 925
1849 928
1850 931
1851 935
1852 938
1853 941
1854 944
1855 947
1856 951
1857 954
1858 957
1859 960
1860 964
1861 967
1862 970
1863 973
1864 977
1865 980
1866 983
1867 987
1868 990
1869 993
1870 997
1871 1000
1872 1004
1873 1007
1874 1010
1875 1014
1876 1017
1877 1021
1878 1024
1879 1028
1880 1031
1881 1035
1882 1038
1883 1042
1884 1045
1885 1049
1886 1052
1887 1056
1888 1060
1889 1063
1890 1067
1891 1070
1892 1074
1893 1078
1894 1081
1895 1085
1896 1089
1897 1092
1898 1096
1899 1100
1900 1104
1901 1107
1902 1111
1903 1115
1904 1119
1905 1122
1906 1126
1907 1130
1908 1134
1909 1138
1910 1142
1911 1145
1912 1149
1913 1153
1914 1218
1915 1287
1916 1360
1917 1436
1918 1517
1919 1603
1920 1693
1921 1792
1922 1895
1923 2005
1924 2121
1925 2244
1926 2374
1927 2511
1928 2656
1929 2810
1930 2973
1931 3145
1932 3326
1933 3519
1934 3722
1935 3937
1936 4165
1937 4406
1938 4660
1939 4930
1940 5215
1941 5516
1942 5834
1943 6171
1944 6528
1945 6905
1946 7304
1947 7725
1948 8171
1949 8643
1950 9142
1951 9669
1952 10227
1953 10817
1954 11441
1955 12101
1956 12799
1957 13538
1958 14318
1959 15144
1960 16017
1961 16941
1962 17917
1963 18950
1964 20042
1965 21197
1966 22418
1967 23710
1968 25076
1969 26520
1970 28047
1971 27072
1972 29840
1973 35665
1974 51151
1975 53537
1976 39076
1977 37285
1978 37704
1979 34106
1980 18341
1981 16209
1982 16435
1983 15878
1984 15867
1985 14091
1986 13761
1987 13382
1988 15947
1989 16321
1990 17115
1991 16075
1992 14649
1993 12495
1994 13037
1995 14083
1996 15163
1997 15142
1998 15111
1999 14026
2000 13628
2001 14049
2002 14846
2003 13814
2004 14696
2005 14805
2006 14323
2007 14241
2008 13371
2009 12089
2010 12408
2011 12952
2012 13264
2013 12841
2014 13277
2015 14388
2016 14251
2017 14815
2018 15255
2019 15557
2020 16058
2021 16565
2022 17069
2023 17563
2024 18043
2025 18508
2026 18961
2027 19407
2028 19850
2029 20296
2030 20748
2031 21209
2032 21679
2033 22159
2034 22650
2035 23152
2036 23665
2037 24189
2038 24725
2039 25273
2040 25833