Year	US Dollars adjusted for inflation)
1800	271100000
1801	271100000
1802	271100000
1803	271100000
1804	271100000
1805	271100000
1806	271100000
1807	271100000
1808	271100000
1809	271100000
1810	271100000
1811	271100000
1812	271100000
1813	271100000
1814	271100000
1815	271100000
1816	271100000
1817	271100000
1818	271100000
1819	271100000
1820	271100000
1821	271100000
1822	271100000
1823	271100000
1824	271100000
1825	271100000
1826	271100000
1827	271100000
1828	271100000
1829	271100000
1830	271100000
1831	271100000
1832	271100000
1833	271100000
1834	271100000
1835	271100000
1836	271100000
1837	271100000
1838	271100000
1839	271100000
1840	271100000
1841	271100000
1842	271100000
1843	271100000
1844	271100000
1845	271100000
1846	271100000
1847	271100000
1848	271100000
1849	271100000
1850	271100000
1851	271100000
1852	271100000
1853	271100000
1854	271100000
1855	271100000
1856	271100000
1857	271100000
1858	271100000
1859	271100000
1860	271100000
1861	271100000
1862	271100000
1863	271100000
1864	271100000
1865	271100000
1866	271100000
1867	271100000
1868	271100000
1869	271100000
1870	271100000
1871	271100000
1872	271100000
1873	271100000
1874	271100000
1875	271100000
1876	271100000
1877	271100000
1878	271100000
1879	271100000
1880	271100000
1881	271100000
1882	271100000
1883	271100000
1884	271100000
1885	271100000
1886	271100000
1887	271100000
1888	271100000
1889	271100000
1890	271100000
1891	271100000
1892	271100000
1893	271100000
1894	271100000
1895	271100000
1896	271100000
1897	271100000
1898	271100000
1899	271100000
1900	271100000
1901	271100000
1902	278700000
1903	286400000
1904	294400000
1905	302600000
1906	311000000
1907	319700000
1908	328600000
1909	337700000
1910	347100000
1911	356800000
1912	364500000
1913	372500000
1914	380500000
1915	388800000
1916	397200000
1917	405800000
1918	414600000
1919	423600000
1920	432800000
1921	442200000
1922	448700000
1923	455300000
1924	461900000
1925	468700000
1926	475600000
1927	496500000
1928	518300000
1929	541100000
1930	564900000
1931	589700000
1932	600100000
1933	610800000
1934	621600000
1935	632600000
1936	643800000
1937	655200000
1938	666800000
1939	678600000
1940	690700000
1941	702900000
1942	715400000
1943	728100000
1944	741000000
1945	754100000
1946	807200000
1947	864000000
1948	924900000
1949	990000000
1950	1060000000
1951	1104000000
1952	1150000000
1953	1198000000
1954	1249000000
1955	1272000000
1956	1378000000
1957	1434000000
1958	1486000000
1959	1538000000
1960	1577000000
1961	1655000000
1962	1650000000
1963	1617000000
1964	1579000000
1965	1792000000
1966	1971000000
1967	2161000000
1968	2133000000
1969	2270000000
1970	2311000000
1971	2654000000
1972	2937000000
1973	3196000000
1974	3421000000
1975	3561000000
1976	3716000000
1977	3925000000
1978	4306000000
1979	4523000000
1980	4559000000
1981	4066000000
1982	4125000000
1983	4299000000
1984	4467000000
1985	4677000000
1986	4772000000
1987	4725000000
1988	4881000000
1989	5079000000
1990	5321000000
1991	5736000000
1992	5282000000
1993	5851000000
1994	5173000000
1995	5640000000
1996	6185000000
1997	6420000000
1998	6571000000
1999	6653000000
2000	6758000000
2001	6421000000
2002	6605000000
2003	6355000000
2004	7360000000
2005	7601000000
2006	7956000000
2007	8721000000
2008	9448000000
2009	10290000000
2010	10980000000
2011	11480000000
2012	11740000000
2013	12370000000