Year US Dollars adjusted for inflation)
1800 959
1801 959
1802 959
1803 959
1804 959
1805 959
1806 959
1807 960
1808 960
1809 960
1810 960
1811 960
1812 960
1813 960
1814 961
1815 961
1816 961
1817 961
1818 961
1819 961
1820 961
1821 965
1822 970
1823 974
1824 978
1825 982
1826 986
1827 990
1828 995
1829 999
1830 1003
1831 1007
1832 1012
1833 1016
1834 1020
1835 1025
1836 1029
1837 1033
1838 1038
1839 1042
1840 1046
1841 1051
1842 1055
1843 1060
1844 1064
1845 1069
1846 1073
1847 1078
1848 1083
1849 1087
1850 1092
1851 1096
1852 1101
1853 1106
1854 1111
1855 1115
1856 1120
1857 1125
1858 1130
1859 1134
1860 1139
1861 1144
1862 1149
1863 1154
1864 1159
1865 1164
1866 1168
1867 1173
1868 1178
1869 1183
1870 1188
1871 1194
1872 1199
1873 1204
1874 1209
1875 1214
1876 1219
1877 1224
1878 1229
1879 1235
1880 1240
1881 1245
1882 1251
1883 1256
1884 1261
1885 1267
1886 1272
1887 1277
1888 1283
1889 1288
1890 1294
1891 1299
1892 1305
1893 1310
1894 1316
1895 1321
1896 1327
1897 1333
1898 1338
1899 1344
1900 1350
1901 1355
1902 1361
1903 1367
1904 1373
1905 1379
1906 1384
1907 1390
1908 1396
1909 1402
1910 1408
1911 1414
1912 1420
1913 1426
1914 1432
1915 1438
1916 1444
1917 1451
1918 1457
1919 1463
1920 1469
1921 1475
1922 1481
1923 1487
1924 1493
1925 1499
1926 1505
1927 1511
1928 1517
1929 1523
1930 1529
1931 1535
1932 1542
1933 1548
1934 1554
1935 1560
1936 1566
1937 1573
1938 1579
1939 1585
1940 1591
1941 1598
1942 1604
1943 1610
1944 1617
1945 1623
1946 1629
1947 1636
1948 1642
1949 1649
1950 1655
1951 1693
1952 1731
1953 1771
1954 1811
1955 1852
1956 1894
1957 1938
1958 1982
1959 2027
1960 2073
1961 2120
1962 2168
1963 2217
1964 2268
1965 2319
1966 2372
1967 2426
1968 2481
1969 2537
1970 2595
1971 2783
1972 2999
1973 3270
1974 3496
1975 3628
1976 3998
1977 4283
1978 4689
1979 4826
1980 4810
1981 4804
1982 4815
1983 4744
1984 4868
1985 5092
1986 5578
1987 6142
1988 6373
1989 6828
1990 7242
1991 7329
1992 7211
1993 6990
1994 7030
1995 7119
1996 7395
1997 7740
1998 8633
1999 9218
2000 9651
2001 9435
2002 9735
2003 10628
2004 10530
2005 11894
2006 11382
2007 12044
2008 12118
2009 11276
2010 11178
2011 11221
2012 11049
2013 11263
2014 12040
2015 12735
2016 12911
2017 13205
2018 13505
2019 13812
2020 14128
2021 14451
2022 14780
2023 15115
2024 15456
2025 15803
2026 16156
2027 16516
2028 16883
2029 17257
2030 17639
2031 18030
2032 18429
2033 18837
2034 19254
2035 19681
2036 20117
2037 20563
2038 21019
2039 21485
2040 21961