Year	US Dollars adjusted for inflation)
1800	1142000000
1801	1142000000
1802	1142000000
1803	1143000000
1804	1143000000
1805	1143000000
1806	1143000000
1807	1143000000
1808	1143000000
1809	1143000000
1810	1143000000
1811	1144000000
1812	1144000000
1813	1144000000
1814	1144000000
1815	1144000000
1816	1144000000
1817	1144000000
1818	1144000000
1819	1145000000
1820	1145000000
1821	1164000000
1822	1183000000
1823	1202000000
1824	1222000000
1825	1243000000
1826	1263000000
1827	1284000000
1828	1305000000
1829	1327000000
1830	1349000000
1831	1371000000
1832	1394000000
1833	1417000000
1834	1441000000
1835	1465000000
1836	1489000000
1837	1513000000
1838	1538000000
1839	1564000000
1840	1590000000
1841	1616000000
1842	1643000000
1843	1670000000
1844	1698000000
1845	1726000000
1846	1755000000
1847	1784000000
1848	1813000000
1849	1843000000
1850	1874000000
1851	1903000000
1852	1933000000
1853	1964000000
1854	1995000000
1855	2027000000
1856	2059000000
1857	2091000000
1858	2124000000
1859	2158000000
1860	2192000000
1861	2227000000
1862	2262000000
1863	2298000000
1864	2334000000
1865	2371000000
1866	2408000000
1867	2447000000
1868	2485000000
1869	2525000000
1870	2565000000
1871	2603000000
1872	2643000000
1873	2682000000
1874	2723000000
1875	2764000000
1876	2806000000
1877	2848000000
1878	2891000000
1879	2935000000
1880	2979000000
1881	3024000000
1882	3070000000
1883	3116000000
1884	3163000000
1885	3211000000
1886	3259000000
1887	3308000000
1888	3358000000
1889	3409000000
1890	3460000000
1891	3490000000
1892	3520000000
1893	3550000000
1894	3581000000
1895	3612000000
1896	3643000000
1897	3982000000
1898	4240000000
1899	4475000000
1900	4712000000
1901	5057000000
1902	5334000000
1903	5695000000
1904	5888000000
1905	6319000000
1906	6824000000
1907	7251000000
1908	7389000000
1909	7513000000
1910	7643000000
1911	7807000000
1912	8082000000
1913	8351000000
1914	8300000000
1915	9016000000
1916	9950000000
1917	10320000000
1918	10380000000
1919	10720000000
1920	10830000000
1921	11280000000
1922	12250000000
1923	13100000000
1924	14330000000
1925	14710000000
1926	16200000000
1927	16490000000
1928	17550000000
1929	19390000000
1930	17160000000
1931	15780000000
1932	15170000000
1933	16880000000
1934	19160000000
1935	20960000000
1936	21960000000
1937	22260000000
1938	22610000000
1939	22730000000
1940	23180000000
1941	23200000000
1942	22670000000
1943	23020000000
1944	25000000000
1945	25930000000
1946	26930000000
1947	27680000000
1948	28600000000
1949	30750000000
1950	33170000000
1951	35730000000
1952	37570000000
1953	39960000000
1954	41080000000
1955	44140000000
1956	46130000000
1957	48380000000
1958	48530000000
1959	48780000000
1960	55530000000
1961	60460000000
1962	64970000000
1963	67990000000
1964	72720000000
1965	77620000000
1966	84170000000
1967	87520000000
1968	86580000000
1969	88810000000
1970	95730000000
1971	100000000000
1972	103200000000
1973	108600000000
1974	114300000000
1975	123400000000
1976	125200000000
1977	125200000000
1978	125200000000
1979	132700000000
1980	138800000000
1981	144900000000
1982	145600000000
1983	126300000000
1984	132300000000
1985	134900000000
1986	148500000000
1987	161400000000
1988	148100000000
1989	130100000000
1990	123400000000
1991	126300000000
1992	125000000000
1993	131900000000
1994	149500000000
1995	162000000000
1996	165500000000
1997	179500000000
1998	179600000000
1999	181200000000
2000	186700000000
2001	186800000000
2002	195800000000
2003	203100000000
2004	209200000000
2005	222100000000
2006	238300000000
2007	256900000000
2008	280700000000
2009	281800000000
2010	305200000000
2011	324800000000
2012	343800000000
2013	359700000000