Year	US Dollars adjusted for inflation)
1800	41300000
1801	41300000
1802	41300000
1803	41300000
1804	41300000
1805	41300000
1806	41300000
1807	41300000
1808	41300000
1809	41300000
1810	41300000
1811	41300000
1812	41300000
1813	41300000
1814	41300000
1815	41300000
1816	41300000
1817	41300000
1818	41300000
1819	41300000
1820	41300000
1821	41600000
1822	41910000
1823	42220000
1824	42530000
1825	42840000
1826	43160000
1827	43470000
1828	43790000
1829	44120000
1830	44440000
1831	44770000
1832	45100000
1833	45430000
1834	45770000
1835	46110000
1836	46450000
1837	46790000
1838	47130000
1839	47480000
1840	47830000
1841	48180000
1842	48540000
1843	48900000
1844	49260000
1845	49620000
1846	49980000
1847	50350000
1848	50720000
1849	51100000
1850	51470000
1851	51850000
1852	53370000
1853	54940000
1854	56550000
1855	58210000
1856	59910000
1857	61670000
1858	63480000
1859	65340000
1860	67260000
1861	69230000
1862	70450000
1863	71680000
1864	72940000
1865	74220000
1866	75530000
1867	76850000
1868	78200000
1869	79570000
1870	80970000
1871	82390000
1872	83940000
1873	85520000
1874	87130000
1875	88770000
1876	90450000
1877	92150000
1878	93880000
1879	95650000
1880	97450000
1881	99280000
1882	100800000
1883	102400000
1884	103900000
1885	105500000
1886	107200000
1887	108800000
1888	110500000
1889	112200000
1890	113900000
1891	115700000
1892	117800000
1893	120000000
1894	122200000
1895	124500000
1896	126800000
1897	129200000
1898	131600000
1899	134000000
1900	136500000
1901	139000000
1902	140400000
1903	141900000
1904	143300000
1905	144800000
1906	146300000
1907	147800000
1908	149300000
1909	150800000
1910	152400000
1911	154000000
1912	154100000
1913	154300000
1914	159000000
1915	163800000
1916	168700000
1917	173900000
1918	179100000
1919	184500000
1920	190100000
1921	195900000
1922	205500000
1923	215500000
1924	226100000
1925	237100000
1926	248700000
1927	260900000
1928	273600000
1929	287000000
1930	301000000
1931	315800000
1932	330900000
1933	346900000
1934	363500000
1935	381000000
1936	399400000
1937	418600000
1938	438700000
1939	443800000
1940	449100000
1941	454300000
1942	459600000
1943	465000000
1944	474200000
1945	483500000
1946	493000000
1947	502700000
1948	512600000
1949	522700000
1950	533000000
1951	582600000
1952	641100000
1953	709400000
1954	788900000
1955	880900000
1956	987300000
1957	1110000000
1958	1252000000
1959	1416000000
1960	1606000000
1961	1777000000
1962	1961000000
1963	2167000000
1964	2394000000
1965	2643000000
1966	2882000000
1967	3159000000
1968	3426000000
1969	3734000000
1970	3524000000
1971	3582000000
1972	3459000000
1973	3723000000
1974	3100000000
1975	2643000000
1976	2781000000
1977	3037000000
1978	3469000000
1979	4378000000
1980	4664000000
1981	4532000000
1982	4821000000
1983	5152000000
1984	5277000000
1985	5496000000
1986	5640000000
1987	5848000000
1988	5978000000
1989	6113000000
1990	6012000000
1991	5758000000
1992	5534000000
1993	5546000000
1994	5712000000
1995	5948000000
1996	6179000000
1997	6460000000
1998	6873000000
1999	7126000000
2000	7249000000
2001	7304000000
2002	7474000000
2003	7560000000
2004	7671000000
2005	7877000000
2006	8095000000
2007	8234000000
2008	8065000000
2009	7693000000
2010	7723000000
2011	7860000000
2012	8009000000
2013	8160000000