Year	Years
1800	417.4
1801	417.4
1802	417.4
1803	417.4
1804	417.4
1805	417.4
1806	417.4
1807	417.4
1808	417.4
1809	417.4
1810	417.4
1811	417.4
1812	417.4
1813	417.4
1814	417.4
1815	417.4
1816	417.4
1817	417.4
1818	417.4
1819	417.4
1820	417.4
1821	417.4
1822	417.4
1823	417.4
1824	417.4
1825	417.4
1826	417.4
1827	417.4
1828	417.4
1829	417.4
1830	417.4
1831	417.4
1832	417.4
1833	417.4
1834	417.4
1835	417.4
1836	417.4
1837	417.4
1838	417.4
1839	417.4
1840	417.4
1841	417.4
1842	417.4
1843	417.4
1844	417.4
1845	417.4
1846	417.4
1847	417.4
1848	417.4
1849	417.4
1850	417.4
1851	417.4
1852	417.4
1853	417.4
1854	417.4
1855	417.4
1856	417.4
1857	417.4
1858	417.4
1859	417.4
1860	417.4
1861	417.4
1862	417.4
1863	417.4
1864	417.4
1865	417.4
1866	417.4
1867	417.4
1868	417.4
1869	417.4
1870	417.4
1871	417.4
1872	417.4
1873	417.4
1874	417.4
1875	417.4
1876	417.4
1877	417.4
1878	417.4
1879	417.4
1880	417.4
1881	417.4
1882	417.4
1883	417.4
1884	417.4
1885	417.4
1886	417.4
1887	417.4
1888	417.4
1889	417.4
1890	417.4
1891	417.4
1892	417.4
1893	417.4
1894	417.4
1895	417.4
1896	417.3
1897	417.2
1898	417.1
1899	416.8
1900	416.5
1901	416.2
1902	415.8
1903	415.3
1904	414.7
1905	414.1
1906	413.4
1907	412.6
1908	411.8
1909	411
1910	410.1
1911	409.1
1912	408.1
1913	407.1
1914	406.2
1915	405.2
1916	404.2
1917	403.2
1918	402.2
1919	401.3
1920	400.3
1921	399.3
1922	398.3
1923	397.4
1924	396.4
1925	395.4
1926	394.4
1927	393.4
1928	392.5
1929	391.5
1930	390.5
1931	389.5
1932	388.5
1933	387.6
1934	386.6
1935	385.6
1936	384.6
1937	383.6
1938	382.7
1939	381.7
1940	380.7
1950	310.9
1951	305.8
1952	300.7
1953	295.3
1954	289.6
1955	284.1
1956	278.6
1957	272.9
1958	267.1
1959	261.1
1960	254.8
1961	248.4
1962	241.9
1963	235.4
1964	229
1965	222.4
1966	215.9
1967	209.4
1968	203.6
1969	198.5
1970	194.9
1971	192.3
1972	190.5
1973	189.1
1974	187.5
1975	184.9
1976	181.5
1977	177.4
1978	172.8
1979	168
1980	163.3
1981	158.7
1982	154
1983	149.1
1984	144
1985	138.4
1986	133
1987	128
1988	123.8
1989	120.5
1990	117.8
1991	115.9
1992	114.6
1993	113.8
1994	113.5
1995	113.4
1996	113.3
1997	113.3
1998	113.3
1999	113.3
2000	113.1
2001	112.9
2002	112.7
2003	112.1
2004	111.3
2005	110
2006	108.1
2007	105.9
2008	103.4
2009	100.8
2010	98.2
2011	95.6
2012	92.9
2013	90.1