Year	Years
1800	417.4
1801	417.4
1802	417.4
1803	417.4
1804	417.4
1805	417.4
1806	417.4
1807	417.4
1808	417.4
1809	417.4
1810	417.4
1811	417.4
1812	417.4
1813	417.4
1814	417.4
1815	417.4
1816	417.4
1817	417.4
1818	417.4
1819	417.4
1820	417.4
1821	417.4
1822	417.4
1823	417.4
1824	417.4
1825	417.4
1826	417.4
1827	417.4
1828	417.4
1829	417.4
1830	417.4
1831	417.4
1832	417.4
1833	417.4
1834	417.4
1835	417.4
1836	417.4
1837	417.4
1838	417.4
1839	417.4
1840	417.4
1841	417.4
1842	417.4
1843	417.4
1844	417.4
1845	417.4
1846	417.4
1847	417.4
1848	417.4
1849	417.4
1850	417.4
1851	417.4
1852	417.4
1853	417.4
1854	417.4
1855	417.4
1856	417.4
1857	417.4
1858	417.4
1859	417.4
1860	417.4
1861	417.4
1862	417.4
1863	417.4
1864	417.4
1865	417.4
1866	417.4
1867	417.4
1868	417.4
1869	417.4
1870	417.4
1871	417.4
1872	417.4
1873	417.4
1874	417.4
1875	417.4
1876	417.4
1877	417.4
1878	417.4
1879	417.4
1880	417.4
1881	417.4
1882	417.4
1883	417.4
1884	417.4
1885	417.4
1886	417.4
1887	417.4
1888	417.4
1889	417.4
1890	417.4
1891	417.4
1892	417.4
1893	417.4
1894	417.4
1895	417.4
1896	417.3
1897	417.2
1898	417.1
1899	416.8
1900	416.5
1901	416.2
1902	415.8
1903	415.3
1904	414.7
1905	414.1
1906	413.4
1907	412.6
1908	411.8
1909	411
1910	410.1
1911	409.1
1912	408.1
1913	407.1
1914	406.2
1915	405.2
1916	404.2
1917	403.2
1918	402.2
1919	401.3
1920	400.3
1921	399.3
1922	398.3
1923	397.4
1924	396.4
1925	395.4
1926	394.4
1927	393.4
1928	392.5
1929	391.5
1930	390.5
1931	387.1
1932	385
1933	381.6
1934	378.3
1935	376.2
1936	372.9
1937	357.1
1938	340.6
1939	325.8
1940	310.3
1941	296.3
1942	281.7
1943	268.5
1944	254.7
1945	242.1
1946	229.1
1947	217.3
1948	204.9
1949	193.7
1959	124.9
1960	120.6
1961	116.5
1962	112.6
1963	108.9
1964	105.2
1965	101.9
1966	98.8
1967	95.9
1968	93.2
1969	90.6
1970	88.2
1971	85.9
1972	83.8
1973	81.7
1974	79.7
1975	77.7
1976	75.7
1977	73.8
1978	72
1979	70
1980	68.2
1981	66.4
1982	64.7
1983	63.1
1984	61.4
1985	59.7
1986	58
1987	56.2
1988	54.4
1989	52.5
1990	50.6
1991	48.6
1992	46.8
1993	45
1994	43.3
1995	41.7
1996	40.2
1997	38.8
1998	37.5
1999	36.2
2000	35.1
2001	34
2002	32.9
2003	31.9
2004	31
2005	30
2006	29.2
2007	28.3
2008	27.5
2009	26.7
2010	25.9
2011	25.2
2012	24.5
2013	23.8