Year	Years
1800	512.4
1801	512.4
1802	512.4
1803	512.4
1804	512.4
1805	512.4
1806	512.4
1807	512.4
1808	512.4
1809	512.4
1810	512.4
1811	512.4
1812	512.4
1813	512.4
1814	512.4
1815	512.4
1816	512.4
1817	512.4
1818	512.4
1819	512.4
1820	512.4
1821	512.4
1822	512.4
1823	512.4
1824	512.4
1825	512.4
1826	512.4
1827	512.4
1828	512.4
1829	512.4
1830	512.4
1831	512.4
1832	512.4
1833	512.4
1834	512.4
1835	512.4
1836	512.4
1837	512.4
1838	512.4
1839	512.4
1840	512.4
1841	512.4
1842	512.4
1843	512.4
1844	512.4
1845	512.4
1846	512.4
1847	512.4
1848	512.4
1849	512.4
1850	512.4
1851	512.4
1852	512.4
1853	512.4
1854	512.4
1855	512.4
1856	512.4
1857	512.4
1858	512.4
1859	512.4
1860	512.4
1861	512.4
1862	512.4
1863	512.4
1864	512.4
1865	512.4
1866	512.4
1867	512.4
1868	512.4
1869	512.4
1870	512.4
1871	512.4
1872	512.4
1873	512.4
1874	512.4
1875	512.4
1876	512.4
1877	512.4
1878	512.4
1879	512.4
1880	512.4
1881	512.4
1882	512.4
1883	512.4
1884	512.4
1885	512.4
1886	512.4
1887	512.4
1888	512.4
1889	512.4
1890	512.4
1891	512.4
1892	512.4
1893	512.4
1894	512.4
1895	512.4
1896	512.3
1897	512.1
1898	511.9
1899	511.7
1900	511.3
1901	510.9
1902	510.3
1903	509.7
1904	509.1
1905	508.3
1906	507.4
1907	506.5
1908	505.5
1909	504.5
1910	503.3
1911	502.2
1912	501
1913	499.8
1914	498.6
1915	497.4
1916	496.2
1917	495
1918	493.8
1919	492.6
1920	491.4
1921	490.2
1922	489
1923	492.1
1924	493.8
1925	497
1926	498.7
1927	501.9
1928	496.2
1929	492.1
1930	486.5
1931	482.4
1932	476.9
1933	472.9
1934	467.6
1935	463.6
1936	458.3
1937	454.4
1938	449.2
1939	444.1
1940	439
1950	345.6
1951	339.9
1952	334.3
1953	328.8
1954	323.7
1955	318.7
1956	313.9
1957	309.7
1958	306.4
1959	304
1960	302.4
1961	301.6
1962	301.3
1963	301.4
1964	301.5
1965	301.2
1966	300.5
1967	299.2
1968	297.2
1969	294.2
1970	290.1
1971	285
1972	278.6
1973	271
1974	262.2
1975	252.5
1976	242.2
1977	231.5
1978	221.3
1979	212.5
1980	205
1981	198.6
1982	192.9
1983	187.2
1984	180.6
1985	173.3
1986	165.3
1987	157.2
1988	150.1
1989	144.7
1990	141.1
1991	139.5
1992	139.3
1993	140.3
1994	141.8
1995	143.2
1996	144.5
1997	145
1998	144.2
1999	141.6
2000	137
2001	130.7
2002	123
2003	114.6
2004	106.3
2005	98.1
2006	90.6
2007	83.7
2008	77.3
2009	71.4
2010	66.3
2011	61.9
2012	58.4
2013	55.3