Year	Years
1800	494.5
1801	494.5
1802	494.5
1803	494.5
1804	494.5
1805	494.5
1806	494.5
1807	494.5
1808	494.5
1809	494.5
1810	494.5
1811	494.5
1812	494.5
1813	494.5
1814	494.5
1815	494.5
1816	494.5
1817	494.5
1818	494.5
1819	494.5
1820	494.5
1821	494.5
1822	494.5
1823	494.5
1824	494.5
1825	494.5
1826	494.5
1827	494.5
1828	494.5
1829	494.5
1830	494.5
1831	494.5
1832	494.5
1833	494.5
1834	494.5
1835	494.5
1836	494.5
1837	494.5
1838	494.5
1839	494.5
1840	494.5
1841	494.5
1842	494.5
1843	494.5
1844	494.5
1845	494.5
1846	494.5
1847	494.5
1848	494.5
1849	494.5
1850	494.5
1851	494.5
1852	494.5
1853	494.5
1854	494.5
1855	494.5
1856	494.5
1857	494.5
1858	494.5
1859	494.5
1860	494.5
1861	494.5
1862	494.5
1863	494.5
1864	494.5
1865	494.5
1866	494.5
1867	494.5
1868	494.5
1869	494.5
1870	494.5
1871	494.5
1872	494.5
1873	494.5
1874	494.5
1875	494.5
1876	494.5
1877	494.5
1878	494.5
1879	494.5
1880	494.5
1881	494.5
1882	494.5
1883	494.5
1884	494.5
1885	494.5
1886	494.5
1887	494.5
1888	494.5
1889	494.5
1890	494.5
1891	494.5
1892	494.5
1893	494.5
1894	494.5
1895	494.4
1896	494.4
1897	494.2
1898	494
1899	493.8
1900	493.4
1901	493
1902	492.5
1903	491.9
1904	491.2
1905	490.5
1906	489.7
1907	488.8
1908	487.8
1909	486.8
1910	485.7
1911	484.6
1912	483.5
1913	482.3
1914	481.1
1915	480
1916	478.8
1917	477.7
1918	476.5
1919	475.3
1920	474.2
1930	430
1960	497.9
1961	484.5
1962	471.5
1963	458.5
1964	446.1
1965	435.1
1966	425.1
1967	416.5
1968	409.3
1969	403.1
1970	398
1971	393.1
1972	387.6
1973	381.2
1974	374.1
1975	366
1976	357.3
1977	348.3
1978	339.4
1979	331.2
1980	323.3
1981	315.5
1982	307.5
1983	299.6
1984	291.8
1985	284.5
1986	277.5
1987	271
1988	265
1989	259.3
1990	254.2
1991	249.8
1992	246.4
1993	243.8
1994	241.8
1995	240.1
1996	238.1
1997	235.5
1998	231.9
1999	226.8
2000	219.9
2001	211.6
2002	202.4
2003	192.4
2004	182.2
2005	172.3
2006	163.4
2007	155.5
2008	148.6
2009	142.6
2010	137.1
2011	132
2012	127.5
2013	122.7