Year	Years
1800	460.2
1801	460.2
1802	460.2
1803	460.2
1804	460.2
1805	460.2
1806	460.2
1807	460.2
1808	460.2
1809	460.2
1810	460.2
1811	460.2
1812	460.2
1813	460.2
1814	460.2
1815	460.2
1816	460.2
1817	460.2
1818	460.2
1819	460.2
1820	460.2
1821	460.2
1822	460.2
1823	460.2
1824	460.2
1825	460.2
1826	460.2
1827	460.2
1828	460.2
1829	460.2
1830	460.2
1831	460.2
1832	460.2
1833	460.2
1834	460.2
1835	460.2
1836	460.2
1837	460.2
1838	460.2
1839	460.2
1840	460.2
1841	460.2
1842	460.2
1843	460.2
1844	460.2
1845	460.2
1846	460.2
1847	460.2
1848	460.2
1849	460.2
1850	460.2
1851	460.2
1852	460.2
1853	460.2
1854	460.2
1855	460.2
1856	460.2
1857	460.2
1858	460.2
1859	460.2
1860	460.2
1861	460.2
1862	460.2
1863	460.2
1864	460.2
1865	460.2
1866	460.2
1867	460.2
1868	460.2
1869	460.2
1870	460.2
1871	460.2
1872	460.2
1873	460.2
1874	460.2
1875	460.2
1876	460.2
1877	460.2
1878	460.2
1879	460.2
1880	460.2
1881	460.2
1882	460.2
1883	460.2
1884	460.2
1885	460.2
1886	460.2
1887	460.2
1888	460.2
1889	460.2
1890	460.2
1891	460.2
1892	460.2
1893	460.2
1894	460.2
1895	460.2
1896	460.1
1897	460
1898	459.8
1899	459.5
1900	459.2
1901	458.8
1902	458.4
1903	457.8
1904	457.2
1905	456.5
1906	455.8
1907	454.9
1908	454
1909	453.1
1910	452.1
1911	451
1912	449.9
1913	448.9
1914	447.8
1915	446.7
1916	445.6
1917	444.6
1918	443.5
1919	442.4
1920	441.3
1921	440.2
1922	439.1
1923	438.1
1924	437
1925	435.9
1926	434.8
1927	433.8
1928	432.7
1929	431.6
1930	430.5
1931	429.4
1932	428.4
1933	427.3
1934	426.2
1935	425.1
1936	424
1937	422.9
1938	421.9
1939	420.8
1940	419.7
1941	418.6
1942	417.6
1943	416.5
1944	415.4
1953	361.3
1954	347.6
1955	334.5
1956	321.7
1957	309.4
1958	298.1
1959	288.1
1960	280.1
1961	274.2
1962	269.7
1963	265.9
1964	261.6
1965	256.3
1966	249.2
1967	240.8
1968	231.3
1969	221.4
1970	211.8
1971	203.5
1972	197.4
1973	193.4
1974	191.3
1975	190.6
1976	190.4
1977	189.9
1978	188.4
1979	185.6
1980	181.5
1981	176.2
1982	169.9
1983	163.1
1984	156.2
1985	149.7
1986	144.3
1987	140.1
1988	137.3
1989	136
1990	136.4
1991	138.2
1992	141
1993	144.2
1994	147.6
1995	150.7
1996	153.3
1997	155
1998	155.5
1999	154.2
2000	151.2
2001	146.6
2002	141.2
2003	135.7
2004	130.6
2005	125.8
2006	121.3
2007	117.1
2008	112.9
2009	108.9
2010	104.4
2011	100.8
2012	97.3
2013	94.5