Year US Dollars adjusted for inflation)
1800 874
1801 875
1802 875
1803 875
1804 875
1805 875
1806 875
1807 875
1808 875
1809 876
1810 876
1811 876
1812 876
1813 876
1814 876
1815 876
1816 876
1817 877
1818 877
1819 877
1820 877
1821 880
1822 883
1823 886
1824 889
1825 892
1826 894
1827 897
1828 900
1829 903
1830 906
1831 909
1832 912
1833 915
1834 918
1835 921
1836 924
1837 927
1838 930
1839 933
1840 937
1841 940
1842 943
1843 946
1844 949
1845 952
1846 955
1847 958
1848 961
1849 965
1850 968
1851 971
1852 974
1853 977
1854 981
1855 984
1856 987
1857 990
1858 994
1859 997
1860 1000
1861 1003
1862 1007
1863 1010
1864 1013
1865 1017
1866 1020
1867 1023
1868 1027
1869 1030
1870 1034
1871 1037
1872 1040
1873 1044
1874 1047
1875 1051
1876 1054
1877 1058
1878 1061
1879 1065
1880 1068
1881 1072
1882 1075
1883 1079
1884 1082
1885 1086
1886 1089
1887 1093
1888 1096
1889 1100
1890 1104
1891 1107
1892 1111
1893 1115
1894 1118
1895 1122
1896 1126
1897 1129
1898 1133
1899 1137
1900 1141
1901 1144
1902 1148
1903 1152
1904 1156
1905 1159
1906 1163
1907 1167
1908 1171
1909 1175
1910 1179
1911 1182
1912 1186
1913 1190
1914 1194
1915 1198
1916 1202
1917 1206
1918 1210
1919 1214
1920 1218
1921 1227
1922 1235
1923 1244
1924 1253
1925 1262
1926 1271
1927 1280
1928 1289
1929 1298
1930 1307
1931 1316
1932 1325
1933 1335
1934 1344
1935 1353
1936 1363
1937 1372
1938 1381
1939 1391
1940 1400
1941 1410
1942 1419
1943 1429
1944 1439
1945 1448
1946 1458
1947 1468
1948 1478
1949 1487
1950 1497
1951 1564
1952 1634
1953 1706
1954 1782
1955 1862
1956 1944
1957 2031
1958 2121
1959 2215
1960 2314
1961 2416
1962 2524
1963 2636
1964 2752
1965 2874
1966 3002
1967 3135
1968 3274
1969 3419
1970 3570
1971 3719
1972 3789
1973 3821
1974 4011
1975 4152
1976 4880
1977 5271
1978 5600
1979 5683
1980 5301
1981 5379
1982 5482
1983 5729
1984 6056
1985 6432
1986 7412
1987 7504
1988 8448
1989 8944
1990 9093
1991 8999
1992 9601
1993 9520
1994 9560
1995 9604
1996 9752
1997 9537
1998 10006
1999 10142
2000 10006
2001 9535
2002 9487
2003 9859
2004 10529
2005 10384
2006 10980
2007 10961
2008 11288
2009 11129
2010 10842
2011 10789
2012 10572
2013 10529
2014 10522
2015 10677
2016 10703
2017 10794
2018 10887
2019 10981
2020 11047
2021 11124
2022 11222
2023 11348
2024 11505
2025 11693
2026 11908
2027 12146
2028 12401
2029 12669
2030 12947
2031 13233
2032 13526
2033 13826
2034 14132
2035 14445
2036 14765
2037 15092
2038 15426
2039 15768
2040 16117