Year	Years
1800	412.3
1801	412.3
1802	412.3
1803	412.3
1804	412.3
1805	412.3
1806	412.3
1807	412.3
1808	412.3
1809	412.3
1810	412.3
1811	412.3
1812	412.3
1813	412.3
1814	412.3
1815	412.3
1816	412.3
1817	412.3
1818	412.3
1819	412.3
1820	412.3
1821	412.3
1822	412.3
1823	412.3
1824	412.3
1825	412.3
1826	412.3
1827	412.3
1828	412.3
1829	412.3
1830	412.3
1831	412.3
1832	412.3
1833	412.3
1834	412.3
1835	412.3
1836	412.3
1837	412.3
1838	412.3
1839	412.3
1840	412.3
1841	412.3
1842	412.3
1843	412.3
1844	412.3
1845	412.3
1846	412.3
1847	412.3
1848	412.3
1849	412.3
1850	412.3
1851	412.3
1852	412.3
1853	412.3
1854	412.3
1855	412.3
1856	412.3
1857	412.3
1858	412.3
1859	412.3
1860	412.3
1861	412.3
1862	412.3
1863	412.3
1864	412.3
1865	412.3
1866	412.3
1867	412.3
1868	412.3
1869	412.3
1870	412.3
1871	412.3
1872	412.3
1873	412.3
1874	412.3
1875	412.3
1876	412.3
1877	412.3
1878	412.3
1879	412.3
1880	412.3
1881	412.3
1882	412.3
1883	412.3
1884	412.3
1885	412.3
1886	412.3
1887	412.3
1888	412.3
1889	412.3
1890	412.3
1891	412.3
1892	412.3
1893	412.3
1894	412.3
1895	412.3
1896	412.2
1897	412.1
1898	412
1899	411.7
1900	411.4
1901	411.1
1902	410.7
1903	410.2
1904	409.6
1905	409
1906	408.4
1907	407.6
1908	406.8
1909	405.9
1910	405
1911	404.1
1912	403.1
1913	402.2
1914	401.2
1915	400.2
1916	399.3
1917	398.3
1918	397.3
1919	396.4
1920	395.4
1921	394.4
1922	393.5
1923	392.5
1924	391.5
1925	390.6
1926	389.6
1927	388.6
1928	387.7
1929	386.7
1930	385.7
1931	384.8
1932	383.8
1933	382.8
1934	381.9
1935	380.9
1936	379.9
1937	379
1938	378
1939	377
1940	376.1
1941	365.9
1942	355.9
1943	346.1
1944	337.6
1945	328.1
1946	318.9
1947	309.8
1948	300.9
1949	292.1
1950	283.6
1960	152.9
1967	97.4
1968	97.7
1969	98
1970	98.3
1971	98.5
1972	98.9
1973	99.3
1974	99.6
1975	99.9
1976	100.1
1977	100.1
1978	99.8
1979	99.1
1980	97.9
1981	96.4
1982	94.4
1983	92
1984	89.3
1985	86.5
1986	83.6
1987	80.7
1988	78
1989	75.7
1990	73.6
1991	71.8
1992	70.5
1993	69.7
1994	69.3
1995	69.6
1996	70.2
1997	71.3
1998	72.6
1999	74.1
2000	75.5
2001	76.6
2002	77.2
2003	77.2
2004	76.6
2005	72.8
2006	68
2007	64.7
2008	61.9
2009	58.8
2010	55.7
2011	52.6
2012	50.6
2013	49.8