Year	Years
1800	450.6
1801	450.6
1802	450.6
1803	450.6
1804	450.6
1805	449.2
1806	449.2
1807	449.2
1808	449.2
1809	449.2
1810	449.2
1811	449.2
1812	449.2
1813	449.2
1814	449.2
1815	447.9
1816	447.9
1817	447.9
1818	447.9
1819	447.9
1820	447.9
1821	447.9
1822	447.9
1823	447.9
1824	447.9
1825	446.5
1826	446.5
1827	446.5
1828	446.5
1829	446.5
1830	446.5
1831	446.5
1832	446.5
1833	446.5
1834	445.1
1835	445.1
1836	445.1
1837	445.1
1838	445.1
1839	445.1
1840	445.1
1841	445.1
1842	445.1
1843	445.1
1844	443.8
1845	443.8
1846	443.8
1847	443.8
1848	443.8
1849	443.8
1850	443.8
1851	443.8
1852	443.8
1853	443.8
1854	442.5
1855	442.5
1856	442.5
1857	442.5
1858	442.5
1859	442.5
1860	442.5
1861	442.5
1862	442.5
1863	441.1
1864	441.1
1865	441.1
1866	441.1
1867	441.1
1868	441.1
1869	441.1
1870	441.1
1871	441.1
1872	441.1
1873	439.8
1874	439.8
1875	439.8
1876	439.8
1877	439.8
1878	439.8
1879	439.8
1880	439.8
1881	439.8
1882	439.8
1883	438.5
1884	438.5
1885	438.5
1886	438.5
1887	438.5
1888	438.5
1889	438.5
1890	438.5
1891	438.5
1892	437.1
1893	437.1
1894	437.1
1895	437.1
1896	437
1897	436.9
1898	436.7
1899	436.5
1900	436.2
1901	435.8
1902	434
1903	433.5
1904	432.9
1905	432.3
1906	431.6
1907	430.8
1908	429.9
1909	429
1910	428.1
1911	427.1
1912	424.8
1913	423.8
1914	422.7
1915	421.7
1916	420.7
1917	419.7
1918	418.7
1919	417.6
1920	416.6
1921	414.3
1922	413.3
1923	412.3
1924	411.3
1925	410.3
1926	409.2
1927	408.2
1928	407.2
1929	406.2
1930	405.2
1931	402.9
1932	401.9
1933	400.9
1934	399.9
1935	398.9
1936	397.9
1937	396.8
1938	395.8
1939	394.8
1940	393.8
1941	391.6
1942	390.6
1943	389.6
1944	388.5
1945	387.5
1946	383
1947	378.5
1948	374
1949	369.6
1950	362.2
1951	362.2
1952	362.1
1953	361.7
1954	361
1955	360.1
1956	358.9
1957	357.7
1958	356
1959	354.1
1960	352.2
1961	350.1
1962	347.9
1963	345.6
1964	342.8
1965	340.2
1966	337.5
1967	334.8
1968	331.9
1969	328.8
1970	325.8
1971	322.6
1972	319.3
1973	316
1974	312.4
1975	308.7
1976	304.6
1977	300.2
1978	295.6
1979	290.8
1980	285.9
1981	281.1
1982	276.3
1983	271.8
1984	267.1
1985	262.5
1986	257.8
1987	253
1988	248.2
1989	243
1990	237.6
1991	231.9
1992	225.6
1993	219.1
1994	212.4
1995	205.6
1996	198.6
1997	191.7
1998	184.7
1999	177.5
2000	170.2
2001	162.9
2002	155.8
2003	149
2004	142.8
2005	136.9
2006	131.4
2007	126.2
2008	121.3
2009	116.7
2010	112.2
2011	108.1
2012	104.4
2013	100.7