Year	Years
1800	497.4
1801	497.4
1802	497.4
1803	497.4
1804	497.4
1805	497.4
1806	497.4
1807	497.4
1808	497.4
1809	497.4
1810	497.4
1811	497.4
1812	497.4
1813	497.4
1814	497.4
1815	497.4
1816	497.4
1817	497.4
1818	497.4
1819	497.4
1820	497.4
1821	497.4
1822	497.4
1823	497.4
1824	497.4
1825	497.4
1826	497.4
1827	497.4
1828	497.4
1829	497.4
1830	497.4
1831	497.4
1832	497.4
1833	497.4
1834	497.4
1835	497.4
1836	497.4
1837	497.4
1838	497.4
1839	497.4
1840	497.4
1841	497.4
1842	497.4
1843	497.4
1844	497.4
1845	497.4
1846	497.4
1847	497.4
1848	497.4
1849	497.4
1850	497.4
1851	497.4
1852	497.4
1853	497.4
1854	497.4
1855	497.4
1856	497.4
1857	497.4
1858	497.4
1859	497.4
1860	497.4
1861	497.4
1862	497.4
1863	497.4
1864	504.9
1865	512.4
1866	521.6
1867	529.3
1868	537.2
1869	537.2
1870	535.7
1871	535.7
1872	534.1
1873	534.1
1874	530.9
1875	527.8
1876	524.7
1877	521.6
1878	518.5
1879	515.4
1880	512.4
1881	509.4
1882	506.4
1883	503.4
1884	500.4
1885	497.4
1886	494.5
1887	491.6
1888	488.6
1889	485.7
1890	482.8
1891	480
1892	477.1
1893	474.2
1894	471.4
1895	468.5
1896	465.7
1897	462.8
1898	465.4
1899	466.5
1900	469
1901	464.4
1902	461.1
1903	456.4
1904	453.1
1905	448.3
1906	444.9
1907	440.1
1908	436.5
1909	431.7
1910	428.1
1911	421.9
1912	415.8
1913	409.7
1914	403.7
1915	397.8
1916	391.9
1917	387.3
1918	381.6
1919	375.9
1920	370.2
1921	364.7
1922	359.2
1923	353.7
1924	348.3
1925	343
1926	337.7
1927	330.4
1928	324.1
1929	317
1930	309.9
1931	302.9
1932	296
1933	289.2
1934	283.6
1935	276.9
1936	270.4
1937	264
1938	257.7
1939	251.5
1940	242.6
1941	234.8
1942	226.2
1943	217.8
1944	209.6
1945	201.5
1946	194.5
1947	186.7
1948	179.1
1949	171.6
1950	164.3
1951	162.4
1952	158.2
1953	154.6
1954	150.2
1955	146.3
1956	141.6
1957	137.5
1958	133.3
1959	128.5
1960	124.5
1961	119.9
1971	84.4
1972	82.7
1973	80.9
1974	79.2
1975	77.7
1976	76.3
1977	74.8
1978	73.3
1979	71.7
1980	69.8
1981	67.7
1982	65.5
1983	63.3
1984	61.1
1985	59.1
1986	57.3
1987	55.6
1988	54.2
1989	53.2
1990	52.6
1991	52.4
1992	52.7
1993	53
1994	53.1
1995	52.7
1996	51.8
1997	50.1
1998	48.1
1999	45.9
2000	43.5
2001	41.2
2002	39
2003	36.7
2004	34.6
2005	32.5
2006	30.3
2007	28.1
2008	25.9
2009	23.7
2010	21.6
2011	19.6
2012	17.9
2013	16.3