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	383.6
1932	377.9
1933	371.1
1934	364.4
1935	358.9
1936	352.4
1937	347
1938	340.6
1939	334.4
1940	329.2
1941	315.7
1942	303.6
1943	291.8
1944	279.2
1945	268
1955	202.5
1956	196.2
1957	190.1
1958	184.3
1959	178.5
1960	172.9
1961	167.3
1962	162.3
1963	157.5
1964	153.3
1965	149.3
1966	145.7
1967	142.3
1968	139
1969	135.7
1970	132.3
1971	128.8
1972	125.3
1973	121.8
1974	118.4
1975	115
1976	111.5
1977	108
1978	104.1
1979	100
1980	95.7
1981	91.3
1982	87
1983	83
1984	79.2
1985	75.8
1986	72.6
1987	69.6
1988	66.8
1989	64.2
1990	61.5
1991	58.9
1992	56.1
1993	53.1
1994	50.1
1995	47
1996	44
1997	41
1998	38.1
1999	35.4
2000	32.9
2001	30.6
2002	28.4
2003	26.4
2004	24.6
2005	22.9
2006	21.4
2007	20
2008	18.6
2009	17.4
2010	16.3
2011	15.3
2012	14.5
2013	13.7