Year US Dollars adjusted for inflation)
1800 1175000000
1801 1175000000
1802 1175000000
1803 1175000000
1804 1175000000
1805 1175000000
1806 1175000000
1807 1175000000
1808 1175000000
1809 1175000000
1810 1175000000
1811 1175000000
1812 1175000000
1813 1175000000
1814 1175000000
1815 1175000000
1816 1175000000
1817 1175000000
1818 1175000000
1819 1175000000
1820 1175000000
1821 1184000000
1822 1193000000
1823 1202000000
1824 1212000000
1825 1221000000
1826 1230000000
1827 1240000000
1828 1249000000
1829 1259000000
1830 1268000000
1831 1278000000
1832 1288000000
1833 1298000000
1834 1308000000
1835 1318000000
1836 1328000000
1837 1338000000
1838 1348000000
1839 1359000000
1840 1369000000
1841 1380000000
1842 1390000000
1843 1401000000
1844 1412000000
1845 1423000000
1846 1434000000
1847 1445000000
1848 1456000000
1849 1467000000
1850 1478000000
1851 1489000000
1852 1501000000
1853 1512000000
1854 1524000000
1855 1536000000
1856 1547000000
1857 1559000000
1858 1571000000
1859 1583000000
1860 1595000000
1861 1608000000
1862 1620000000
1863 1632000000
1864 1645000000
1865 1658000000
1866 1670000000
1867 1683000000
1868 1696000000
1869 1709000000
1870 1722000000
1871 1735000000
1872 1749000000
1873 1762000000
1874 1776000000
1875 1789000000
1876 1803000000
1877 1817000000
1878 1831000000
1879 1845000000
1880 1859000000
1881 1873000000
1882 1888000000
1883 1902000000
1884 1917000000
1885 1932000000
1886 1946000000
1887 1961000000
1888 1976000000
1889 1992000000
1890 2007000000
1891 2022000000
1892 2038000000
1893 2053000000
1894 2069000000
1895 2085000000
1896 2101000000
1897 2117000000
1898 2133000000
1899 2150000000
1900 2166000000
1901 2183000000
1902 2200000000
1903 2217000000
1904 2234000000
1905 2251000000
1906 2268000000
1907 2285000000
1908 2303000000
1909 2321000000
1910 2338000000
1911 2356000000
1912 2374000000
1913 2393000000
1914 2422000000
1915 2451000000
1916 2481000000
1917 2511000000
1918 2541000000
1919 2572000000
1920 2603000000
1921 2634000000
1922 2666000000
1923 2698000000
1924 2731000000
1925 2764000000
1926 2798000000
1927 2921000000
1928 3051000000
1929 3185000000
1930 3326000000
1931 3473000000
1932 3554000000
1933 3637000000
1934 3722000000
1935 3809000000
1936 3897000000
1937 4024000000
1938 4155000000
1939 4289000000
1940 4429000000
1941 4573000000
1942 4721000000
1943 4874000000
1944 5033000000
1945 5196000000
1946 5365000000
1947 5539000000
1948 5719000000
1949 5904000000
1950 6096000000
1951 6362000000
1952 6635000000
1953 6915000000
1954 7208000000
1955 7516000000
1956 7831000000
1957 8162000000
1958 8508000000
1959 8865000000
1960 9155000000
1961 9313000000
1962 9650000000
1963 10060000000
1964 10480000000
1965 10750000000
1966 11310000000
1967 11690000000
1968 12510000000
1969 13200000000
1970 13670000000
1971 14140000000
1972 14830000000
1973 15120000000
1974 15870000000
1975 16770000000
1976 17140000000
1977 18120000000
1978 19110000000
1979 20160000000
1980 22120000000
1981 25840000000
1982 27900000000
1983 29850000000
1984 32130000000
1985 34920000000
1986 37350000000
1987 35460000000
1988 33840000000
1989 30800000000
1990 30280000000
1991 29110000000
1992 28200000000
1993 27290000000
1994 26600000000
1995 27470000000
1996 28820000000
1997 30270000000
1998 31750000000
1999 33130000000
2000 34520000000
2001 36370000000
2002 38740000000
2003 40310000000
2004 41850000000
2005 42750000000
2006 43890000000
2007 44890000000
2008 46260000000
2009 46860000000
2010 48280000000
2011 50110000000
2012 52250000000
2013 54500000000