Year	Years
1800	443.8
1801	443.8
1802	443.8
1803	443.8
1804	443.8
1805	443.8
1806	443.8
1807	443.8
1808	443.8
1809	443.8
1810	443.8
1811	443.8
1812	443.8
1813	443.8
1814	443.8
1815	443.8
1816	443.8
1817	443.8
1818	443.8
1819	443.8
1820	443.8
1821	443.8
1822	443.8
1823	443.8
1824	443.8
1825	443.8
1826	443.8
1827	443.8
1828	443.8
1829	443.8
1830	443.8
1831	443.8
1832	443.8
1833	443.8
1834	443.8
1835	443.8
1836	443.8
1837	443.8
1838	443.8
1839	443.8
1840	443.8
1841	443.8
1842	443.8
1843	443.8
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	443.8
1855	443.8
1856	443.8
1857	443.8
1858	443.8
1859	443.8
1860	443.8
1861	443.8
1862	443.8
1863	443.8
1864	443.8
1865	443.8
1866	443.8
1867	443.8
1868	443.8
1869	443.8
1870	443.8
1871	443.8
1872	443.8
1873	443.8
1874	443.8
1875	443.8
1876	443.8
1877	443.8
1878	443.8
1879	443.8
1880	443.8
1881	443.8
1882	443.8
1883	443.8
1884	443.8
1885	443.8
1886	443.8
1887	443.8
1888	443.8
1889	443.8
1890	443.8
1891	443.8
1892	443.8
1893	443.8
1894	443.8
1895	443.7
1896	443.7
1897	443.6
1898	443.4
1899	443.1
1900	442.8
1901	442.4
1902	442
1903	441.5
1904	440.9
1905	440.2
1906	439.5
1907	438.7
1908	437.8
1909	436.9
1910	435.9
1911	434.9
1912	433.9
1913	432.9
1914	431.8
1915	430.8
1916	429.7
1917	428.7
1918	427.6
1919	426.6
1920	425.6
1921	424.5
1922	423.5
1923	422.4
1924	421.4
1925	420.4
1926	419.3
1927	418.3
1928	411
1929	403.7
1930	396.6
1931	389.5
1932	382.6
1933	375.7
1934	369
1935	362.3
1936	355.8
1937	349.2
1938	365.3
1939	381.7
1940	398.7
1941	416.1
1951	291.6
1952	283.3
1953	275.1
1954	267.1
1955	259.3
1956	251.8
1957	244.5
1958	237.6
1959	230.9
1960	224.7
1961	218.8
1962	213
1963	207.3
1964	201.6
1965	195.9
1966	190.1
1967	184.3
1968	178.5
1969	172.7
1970	167
1971	161.4
1972	156.1
1973	150.9
1974	146
1975	141.3
1976	136.9
1977	132.7
1978	128.7
1979	124.9
1980	121.1
1981	117.4
1982	113.7
1983	110.1
1984	106.4
1985	102.7
1986	99.1
1987	95.5
1988	91.8
1989	88
1990	84.3
1991	80.5
1992	76.8
1993	73.2
1994	69.7
1995	66.4
1996	63.3
1997	60.3
1998	57.5
1999	54.7
2000	52.2
2001	49.8
2002	47.5
2003	45.4
2004	43.3
2005	41.4
2006	39.6
2007	37.9
2008	36.3
2009	34.7
2010	33.2
2011	31.8
2012	30.5
2013	29.3