Year	Years
1800	447.9
1801	447.9
1802	447.9
1803	447.9
1804	447.9
1805	447.9
1806	447.9
1807	447.9
1808	447.9
1809	447.9
1810	447.9
1811	447.9
1812	447.9
1813	447.9
1814	447.9
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	447.9
1826	447.9
1827	447.9
1828	447.9
1829	447.9
1830	447.9
1831	447.9
1832	447.9
1833	447.9
1834	447.9
1835	447.9
1836	447.9
1837	447.9
1838	447.9
1839	447.9
1840	447.9
1841	447.9
1842	447.9
1843	447.9
1844	447.9
1845	447.9
1846	447.9
1847	447.9
1848	447.9
1849	447.9
1850	447.9
1851	447.9
1852	447.9
1853	447.9
1854	447.9
1855	447.9
1856	447.9
1857	447.9
1858	447.9
1859	447.9
1860	447.9
1861	447.9
1862	447.9
1863	447.9
1864	447.9
1865	447.9
1866	447.9
1867	447.9
1868	447.9
1869	447.9
1870	447.9
1871	447.9
1872	447.9
1873	447.9
1874	447.9
1875	447.9
1876	447.9
1877	447.9
1878	447.9
1879	447.9
1880	447.9
1881	447.9
1882	447.9
1883	447.9
1884	447.9
1885	447.9
1886	447.9
1887	447.9
1888	447.9
1889	447.9
1890	447.9
1891	447.9
1892	447.9
1893	447.9
1894	447.9
1895	447.8
1896	447.8
1897	447.6
1898	447.5
1899	447.2
1900	446.9
1901	446.5
1902	446.1
1903	445.5
1904	444.9
1905	444.3
1906	443.5
1907	442.7
1908	441.9
1909	440.9
1910	439.9
1911	438.9
1912	437.9
1913	436.8
1914	435.8
1915	434.7
1916	433.7
1917	432.6
1918	431.6
1919	430.5
1920	429.5
1921	428.4
1922	427.4
1923	426.3
1924	425.3
1925	424.2
1926	423.2
1927	422.1
1928	421.1
1929	420
1930	419
1931	417.9
1932	416.9
1933	415.8
1934	414.8
1935	413.7
1936	412.7
1937	411.6
1938	410.6
1939	409.5
1940	408.5
1941	407.4
1942	406.4
1943	405.3
1944	404.3
1945	403.2
1946	393.7
1947	384.3
1948	374
1949	365.1
1950	356.2
1951	353.1
1952	348.9
1953	343.1
1954	336
1955	328.5
1956	319.6
1966	241.1
1967	240.9
1968	240.5
1969	240.6
1970	240.4
1971	240.2
1972	240.1
1973	240.1
1974	240.3
1975	240.6
1976	241.5
1977	242.2
1978	242.6
1979	242.3
1980	241.3
1981	239.1
1982	235.8
1983	231.8
1984	227.3
1985	223
1986	219.2
1987	215.7
1988	212.3
1989	208.8
1990	205
1991	200.6
1992	195.5
1993	189.2
1994	182.3
1995	175.3
1996	168.4
1997	161.9
1998	156.3
1999	151.1
2000	145.5
2001	139.6
2002	132.8
2003	125.4
2004	117.6
2005	109.5
2006	101.5
2007	94
2008	87
2009	80.8
2010	75.6
2011	71.3
2012	67.6
2013	64.4