Year	Years
1800	423.9
1801	423.9
1802	423.9
1803	423.9
1804	423.9
1805	423.9
1806	423.9
1807	423.9
1808	423.9
1809	423.9
1810	423.9
1811	423.9
1812	423.9
1813	423.9
1814	423.9
1815	423.9
1816	423.9
1817	423.9
1818	423.9
1819	423.9
1820	423.9
1821	423.9
1822	423.9
1823	423.9
1824	423.9
1825	423.9
1826	423.9
1827	423.9
1828	423.9
1829	423.9
1830	423.9
1831	423.9
1832	423.9
1833	423.9
1834	423.9
1835	423.9
1836	423.9
1837	423.9
1838	423.9
1839	423.9
1840	423.9
1841	423.9
1842	423.9
1843	423.9
1844	423.9
1845	423.9
1846	423.9
1847	423.9
1848	423.9
1849	423.9
1850	423.9
1851	423.9
1852	423.9
1853	423.9
1854	423.9
1855	423.9
1856	423.9
1857	423.9
1858	423.9
1859	423.9
1860	423.9
1861	423.9
1862	423.9
1863	423.9
1864	423.9
1865	423.9
1866	423.9
1867	423.9
1868	423.9
1869	423.9
1870	423.9
1871	423.9
1872	423.9
1873	423.9
1874	423.9
1875	423.9
1876	423.9
1877	423.9
1878	423.9
1879	423.9
1880	423.9
1881	423.9
1882	423.9
1883	423.9
1884	423.9
1885	423.9
1886	423.9
1887	423.9
1888	423.9
1889	423.9
1890	423.9
1891	423.9
1892	423.9
1893	423.9
1894	423.9
1895	423.9
1896	423.8
1897	423.7
1898	423.6
1899	423.3
1900	423
1901	422.7
1902	422.2
1903	421.7
1904	421.2
1905	420.5
1906	419.9
1907	419.1
1908	418.3
1909	417.4
1910	416.4
1911	415.5
1912	414.5
1913	413.5
1914	412.5
1915	411.5
1916	410.5
1917	409.5
1918	408.5
1919	407.5
1920	406.5
1921	405.5
1922	404.6
1923	403.6
1924	402.6
1925	401.6
1926	400.6
1927	399.6
1928	398.6
1929	397.6
1930	396.6
1931	395.6
1932	394.6
1933	393.6
1934	392.6
1935	391.6
1936	390.6
1937	389.6
1938	388.6
1939	387.6
1940	386.6
1941	385.6
1942	384.6
1943	383.7
1944	382.7
1945	381.7
1946	364.5
1947	348
1948	331.9
1949	317.4
1959	250.3
1960	249.3
1961	248.4
1962	247.5
1963	246.9
1964	246.8
1965	246.7
1966	246.8
1967	247.2
1968	247.8
1969	248.2
1970	248.1
1971	248
1972	247.6
1973	247.6
1974	247.9
1975	247.4
1976	245.7
1977	242.7
1978	237.8
1979	230.9
1980	222.3
1981	212.6
1982	202.6
1983	192.9
1984	184.3
1985	177.2
1986	172.5
1987	170.2
1988	169.3
1989	169.8
1990	170.8
1991	171.9
1992	172.5
1993	172.3
1994	171.3
1995	169.5
1996	166.5
1997	163.1
1998	158.8
1999	154.1
2000	148.9
2001	143.5
2002	137.8
2003	131.8
2004	125.6
2005	119.3
2006	113.2
2007	107.9
2008	102.4
2009	97.7
2010	93.6
2011	89.7
2012	86.1
2013	82.9