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
1901	412.4
1902	411.9
1903	411.4
1904	410.9
1905	410.3
1906	409.6
1907	408.9
1908	408.1
1909	407.2
1910	406.3
1911	405.4
1912	404.4
1913	403.4
1914	402.4
1915	401.5
1916	400.5
1917	399.5
1918	398.6
1919	397.6
1920	396.6
1921	395.7
1922	394.7
1923	393.7
1924	392.7
1925	391.8
1926	390.8
1927	389.8
1928	388.9
1929	387.9
1930	386.9
1931	385.9
1932	385
1933	384
1934	383
1935	382.1
1936	381.1
1937	380.1
1938	379.2
1939	378.2
1940	377.2
1950	242.3
1951	239.1
1952	235.7
1953	232.4
1954	228.9
1955	225.8
1956	222.5
1957	219.4
1958	216.2
1959	212.8
1960	209.2
1961	205.6
1962	202
1963	198.3
1964	194.4
1965	190.3
1966	186.3
1967	182.1
1968	178.1
1969	174
1970	169.7
1971	164.8
1972	159.4
1973	153.6
1974	147.2
1975	141
1976	134.9
1977	129.2
1978	123.7
1979	118.4
1980	113.2
1981	108.1
1982	102.8
1983	97.6
1984	92.5
1985	87.8
1986	83.6
1987	80
1988	77.1
1989	75.1
1990	73.9
1991	73.9
1992	75.3
1993	78.7
1994	83.8
1995	90.3
1996	97.5
1997	104.6
1998	111.3
1999	117.6
2000	122.5
2001	125.8
2002	128.1
2003	129.5
2004	129.6
2005	128.4
2006	123.5
2007	118.3
2008	115.2
2009	108
2010	94
2011	86.9
2012	81.7
2013	80