Year	Years
1800	413.6
1801	413.6
1802	413.6
1803	413.6
1804	413.6
1805	413.6
1806	413.6
1807	413.6
1808	413.6
1809	413.6
1810	413.6
1811	413.6
1812	413.6
1813	413.6
1814	413.6
1815	413.6
1816	413.6
1817	413.6
1818	413.6
1819	413.6
1820	413.6
1821	413.6
1822	413.6
1823	413.6
1824	413.6
1825	413.6
1826	413.6
1827	413.6
1828	413.6
1829	413.6
1830	413.6
1831	413.6
1832	413.6
1833	413.6
1834	413.6
1835	413.6
1836	413.6
1837	413.6
1838	413.6
1839	413.6
1840	413.6
1841	413.6
1842	413.6
1843	413.6
1844	413.6
1845	413.6
1846	413.6
1847	413.6
1848	413.6
1849	413.6
1850	413.6
1851	413.6
1852	413.6
1853	413.6
1854	413.6
1855	413.6
1856	413.6
1857	413.6
1858	413.6
1859	413.6
1860	413.6
1861	413.6
1862	413.6
1863	413.6
1864	413.6
1865	413.6
1866	413.6
1867	413.6
1868	413.6
1869	413.6
1870	413.6
1871	413.6
1872	413.6
1873	413.6
1874	413.6
1875	413.6
1876	413.6
1877	413.6
1878	413.6
1879	413.6
1880	413.6
1881	413.6
1882	413.6
1883	413.6
1884	413.6
1885	413.6
1886	413.6
1887	413.6
1888	413.6
1889	413.6
1890	413.6
1891	413.6
1892	413.6
1893	413.6
1894	413.6
1895	413.6
1896	413.5
1897	413.4
1898	413.2
1899	413
1900	412.7
1959	399.9
1960	380.5
1961	362.6
1962	345.3
1963	329
1964	313.5
1965	298.5
1966	284.1
1967	270
1968	256.2
1969	242.5
1970	229.3
1971	216.4
1972	203.9
1973	191.6
1974	179.5
1975	167.7
1976	155.8
1977	144.1
1978	132.8
1979	121.9
1980	111.2
1981	101
1982	91.3
1983	82.1
1984	73.6
1985	66
1986	59.2
1987	53.2
1988	48
1989	43.4
1990	39.3
1991	35.6
1992	32.3
1993	29.3
1994	26.7
1995	24.4
1996	22.4
1997	20.7
1998	19.1
1999	17.8
2000	16.5
2001	15.5
2002	14.6
2003	13.8
2004	13.2
2005	12.8
2006	12.4
2007	12.1
2008	11.9
2009	11.7
2010	11.6
2011	11.6
2012	11.5
2013	11.4