Year US Dollars adjusted for inflation)
1800 578
1801 578
1802 577
1803 577
1804 576
1805 576
1806 575
1807 574
1808 574
1809 573
1810 573
1811 572
1812 571
1813 571
1814 570
1815 570
1816 569
1817 569
1818 568
1819 567
1820 567
1821 566
1822 566
1823 565
1824 565
1825 564
1826 563
1827 563
1828 562
1829 562
1830 561
1831 561
1832 560
1833 559
1834 559
1835 558
1836 558
1837 557
1838 557
1839 556
1840 555
1841 555
1842 554
1843 554
1844 553
1845 553
1846 552
1847 552
1848 551
1849 550
1850 550
1851 549
1852 549
1853 548
1854 548
1855 547
1856 547
1857 546
1858 545
1859 545
1860 544
1861 544
1862 543
1863 543
1864 542
1865 542
1866 541
1867 540
1868 540
1869 539
1870 539
1871 538
1872 538
1873 537
1874 537
1875 536
1876 536
1877 535
1878 534
1879 534
1880 533
1881 533
1882 532
1883 532
1884 531
1885 531
1886 530
1887 530
1888 529
1889 529
1890 528
1891 527
1892 527
1893 526
1894 526
1895 525
1896 525
1897 524
1898 524
1899 523
1900 523
1901 525
1902 527
1903 529
1904 531
1905 533
1906 535
1907 537
1908 539
1909 542
1910 544
1911 551
1912 574
1913 595
1914 621
1915 726
1916 710
1917 784
1918 843
1919 897
1920 778
1921 843
1922 777
1923 835
1924 843
1925 844
1926 877
1927 917
1928 924
1929 875
1930 829
1931 833
1932 834
1933 1008
1934 1006
1935 1096
1936 1197
1937 1321
1938 1391
1939 1257
1940 1418
1941 1438
1942 1429
1943 1449
1944 1386
1945 650
1946 662
1947 703
1948 761
1949 822
1950 867
1951 729
1952 784
1953 1018
1954 1080
1955 1146
1956 1208
1957 1322
1958 1498
1959 1452
1960 1544
1961 1624
1962 1592
1963 1577
1964 1592
1965 1630
1966 1616
1967 1646
1968 1673
1969 1643
1970 1697
1971 1699
1972 1730
1973 1751
1974 1782
1975 1844
1976 1851
1977 1884
1978 1809
1979 2015
1980 1887
1981 2073
1982 2180
1983 2138
1984 2205
1985 2121
1986 2106
1987 2142
1988 2198
1989 2257
1990 2076
1991 1973
1992 1745
1993 1619
1994 1605
1995 1442
1996 1393
1997 1230
1998 1267
1999 1377
2000 1287
2001 1368
2002 1375
2003 1405
2004 1410
2005 1464
2006 1461
2007 1392
2008 1427
2009 1407
2010 1393
2011 1397
2012 1393
2013 1392
2014 1391
2015 1390
2016 1389
2017 1388
2018 1387
2019 1386
2020 1385
2021 1386
2022 1391
2023 1400
2024 1415
2025 1435
2026 1459
2027 1487
2028 1518
2029 1551
2030 1585
2031 1620
2032 1656
2033 1693
2034 1731
2035 1769
2036 1808
2037 1848
2038 1889
2039 1931
2040 1974