Year	US Dollars adjusted for inflation)
1800	1988000000
1801	1988000000
1802	1988000000
1803	1988000000
1804	1988000000
1805	1988000000
1806	1988000000
1807	1988000000
1808	1988000000
1809	1988000000
1810	1988000000
1811	1988000000
1812	1988000000
1813	1988000000
1814	1988000000
1815	1988000000
1816	1988000000
1817	1988000000
1818	1988000000
1819	1988000000
1820	1988000000
1821	1992000000
1822	1997000000
1823	2001000000
1824	2006000000
1825	2010000000
1826	2015000000
1827	2019000000
1828	2024000000
1829	2028000000
1830	2033000000
1831	2038000000
1832	2042000000
1833	2047000000
1834	2051000000
1835	2056000000
1836	2061000000
1837	2065000000
1838	2070000000
1839	2075000000
1840	2080000000
1841	2084000000
1842	2089000000
1843	2094000000
1844	2098000000
1845	2103000000
1846	2108000000
1847	2113000000
1848	2117000000
1849	2122000000
1850	2127000000
1851	2132000000
1852	2137000000
1853	2141000000
1854	2146000000
1855	2151000000
1856	2156000000
1857	2161000000
1858	2166000000
1859	2171000000
1860	2176000000
1861	2181000000
1862	2185000000
1863	2190000000
1864	2195000000
1865	2200000000
1866	2205000000
1867	2210000000
1868	2215000000
1869	2220000000
1870	2225000000
1871	2239000000
1872	2254000000
1873	2268000000
1874	2282000000
1875	2297000000
1876	2311000000
1877	2326000000
1878	2341000000
1879	2355000000
1880	2370000000
1881	2385000000
1882	2401000000
1883	2416000000
1884	2431000000
1885	2446000000
1886	2462000000
1887	2478000000
1888	2493000000
1889	2509000000
1890	2525000000
1891	2541000000
1892	2557000000
1893	2573000000
1894	2590000000
1895	2614000000
1896	2639000000
1897	2664000000
1898	2689000000
1899	2714000000
1900	2740000000
1901	2766000000
1902	2792000000
1903	2818000000
1904	2845000000
1905	2872000000
1906	2899000000
1907	2926000000
1908	2954000000
1909	2982000000
1910	3010000000
1911	3038000000
1912	3067000000
1913	3096000000
1914	3135000000
1915	3174000000
1916	3214000000
1917	3254000000
1918	3295000000
1919	3336000000
1920	3378000000
1921	3421000000
1922	3464000000
1923	3507000000
1924	3551000000
1925	3596000000
1926	3641000000
1927	3687000000
1928	3733000000
1929	3780000000
1930	3827000000
1931	3875000000
1932	3924000000
1933	3973000000
1934	4023000000
1935	4074000000
1936	4125000000
1937	4177000000
1938	4229000000
1939	4282000000
1940	4336000000
1941	4390000000
1942	4445000000
1943	4501000000
1944	4558000000
1945	4615000000
1946	4673000000
1947	4732000000
1948	4791000000
1949	4851000000
1950	4912000000
1951	5084000000
1952	5390000000
1953	5422000000
1954	6026000000
1955	5877000000
1956	6629000000
1957	7049000000
1958	7382000000
1959	8083000000
1960	8544000000
1961	8436000000
1962	9091000000
1963	9741000000
1964	9456000000
1965	9899000000
1966	10350000000
1967	10900000000
1968	11400000000
1969	11540000000
1970	11630000000
1971	11050000000
1972	10450000000
1973	8477000000
1974	8032000000
1975	7925000000
1976	7926000000
1977	6759000000
1978	6764000000
1979	5904000000
1980	5562000000
1981	5556000000
1982	5549000000
1983	5804000000
1984	6090000000
1985	6344000000
1986	6648000000
1987	8026000000
1988	8983000000
1989	9603000000
1990	9655000000
1991	10600000000
1992	11380000000
1993	10770000000
1994	11680000000
1995	12790000000
1996	12380000000
1997	13280000000
1998	13570000000
1999	15340000000
2000	16420000000
2001	17790000000
2002	19660000000
2003	21260000000
2004	23180000000
2005	26070000000
2006	28530000000
2007	31440000000
2008	33360000000
2009	33210000000
2010	35290000000
2011	37860000000
2012	40700000000
2013	43650000000