Year US Dollars adjusted for inflation)
1800 775
1801 775
1802 775
1803 775
1804 775
1805 776
1806 776
1807 776
1808 776
1809 776
1810 777
1811 777
1812 777
1813 777
1814 777
1815 778
1816 778
1817 778
1818 778
1819 778
1820 779
1821 783
1822 787
1823 792
1824 796
1825 800
1826 805
1827 809
1828 814
1829 818
1830 823
1831 827
1832 832
1833 837
1834 841
1835 846
1836 851
1837 855
1838 860
1839 865
1840 870
1841 874
1842 879
1843 884
1844 889
1845 894
1846 899
1847 904
1848 909
1849 914
1850 919
1851 924
1852 929
1853 934
1854 939
1855 945
1856 950
1857 955
1858 960
1859 966
1860 971
1861 976
1862 982
1863 987
1864 993
1865 998
1866 1004
1867 1009
1868 1015
1869 1021
1870 1026
1871 1032
1872 1038
1873 1043
1874 1049
1875 1055
1876 1061
1877 1067
1878 1073
1879 1078
1880 1084
1881 1090
1882 1096
1883 1103
1884 1109
1885 1115
1886 1071
1887 1251
1888 1203
1889 1117
1890 1112
1891 1018
1892 1113
1893 1261
1894 1432
1895 1324
1896 1457
1897 1432
1898 1469
1899 1557
1900 1522
1901 1559
1902 1693
1903 1575
1904 1740
1905 1539
1906 1470
1907 1411
1908 1540
1909 1598
1910 1703
1911 1573
1912 1698
1913 1782
1914 1700
1915 1749
1916 1553
1917 1363
1918 834
1919 718
1920 721
1921 660
1922 767
1923 884
1924 1121
1925 1402
1926 1575
1927 1642
1928 1728
1929 1749
1930 1830
1931 1848
1932 1820
1933 1890
1934 2065
1935 2363
1936 2526
1937 2737
1938 2731
1939 2844
1940 2727
1941 2678
1942 2629
1943 2582
1944 2535
1945 2489
1946 2444
1947 2717
1948 3071
1949 3357
1950 3638
1951 3595
1952 3765
1953 3864
1954 3987
1955 4254
1956 4583
1957 4597
1958 4859
1959 4723
1960 5081
1961 5285
1962 5348
1963 5155
1964 5751
1965 6012
1966 6241
1967 6458
1968 6778
1969 6819
1970 7285
1971 7416
1972 7395
1973 7952
1974 8076
1975 7994
1976 8263
1977 8351
1978 8456
1979 8315
1980 8228
1981 8205
1982 8307
1983 8469
1984 8466
1985 8435
1986 8673
1987 8679
1988 8760
1989 8814
1990 8513
1991 8323
1992 6346
1993 4806
1994 3808
1995 3320
1996 3329
1997 3488
1998 3801
1999 4047
2000 4459
2001 4863
2002 5338
2003 5891
2004 6435
2005 8052
2006 10711
2007 13243
2008 14365
2009 15394
2010 15950
2011 15754
2012 15888
2013 16593
2014 16715
2015 16699
2016 15994
2017 16187
2018 16552
2019 16874
2020 17025
2021 17191
2022 17384
2023 17613
2024 17883
2025 18194
2026 18542
2027 18920
2028 19322
2029 19742
2030 20176
2031 20622
2032 21079
2033 21546
2034 22023
2035 22511
2036 23010
2037 23520
2038 24041
2039 24574
2040 25118