Year	Years
1800	434.5
1801	434.5
1802	434.5
1803	434.5
1804	434.5
1805	434.5
1806	434.5
1807	434.5
1808	434.5
1809	434.5
1810	434.5
1811	434.5
1812	434.5
1813	434.5
1814	434.5
1815	434.5
1816	434.5
1817	434.5
1818	434.5
1819	434.5
1820	434.5
1821	434.5
1822	434.5
1823	434.5
1824	434.5
1825	434.5
1826	434.5
1827	434.5
1828	434.5
1829	434.5
1830	434.5
1831	434.5
1832	434.5
1833	434.5
1834	434.5
1835	434.5
1836	434.5
1837	434.5
1838	434.5
1839	434.5
1840	434.5
1841	434.5
1842	434.5
1843	434.5
1844	434.5
1845	434.5
1846	434.5
1847	434.5
1848	434.5
1849	434.5
1850	434.5
1851	434.5
1852	434.5
1853	434.5
1854	434.5
1855	434.5
1856	434.5
1857	434.5
1858	434.5
1859	434.5
1860	434.5
1861	434.5
1862	434.5
1863	434.5
1864	434.5
1865	434.5
1866	434.5
1867	434.5
1868	434.5
1869	434.5
1870	434.5
1871	434.5
1872	434.5
1873	434.5
1874	434.5
1875	434.5
1876	434.5
1877	434.5
1878	434.5
1879	434.5
1880	434.5
1881	434.5
1882	434.5
1883	434.5
1884	434.5
1885	434.5
1886	434.5
1887	434.5
1888	434.5
1889	434.5
1890	434.5
1891	434.5
1892	434.5
1893	434.5
1894	434.4
1895	434.4
1896	434.4
1897	434.2
1898	434.1
1899	433.8
1900	433.5
1901	433.1
1902	432.7
1903	432.2
1904	431.6
1905	431
1906	430.3
1907	429.5
1908	428.6
1909	427.7
1910	426.8
1911	425.8
1912	424.8
1913	423.8
1914	422.7
1915	421.7
1916	420.7
1917	419.7
1918	418.7
1919	417.6
1920	416.6
1921	415.6
1922	414.6
1923	413.6
1924	412.5
1925	411.5
1926	410.5
1927	409.5
1928	408.5
1929	407.4
1930	406.4
1931	405.4
1932	404.4
1933	403.4
1934	402.4
1935	401.3
1936	400.3
1937	399.3
1938	398.3
1939	397.2
1940	396.2
1941	395.2
1942	394.2
1943	393.2
1944	392.1
1945	391.1
1946	365.7
1947	340.3
1948	317.2
1949	294.1
1950	273
1960	204.2
1961	193.7
1962	182.9
1963	172.2
1964	161.4
1965	150.4
1966	139.4
1967	128.5
1968	117.9
1969	107.4
1970	97.5
1971	88.3
1972	79.8
1973	72
1974	65
1975	58.7
1976	52.9
1977	47.7
1978	43
1979	38.8
1980	35
1981	31.7
1982	28.9
1983	26.5
1984	24.4
1985	22.6
1986	21
1987	19.7
1988	18.5
1989	17.5
1990	16.5
1991	15.7
1992	14.9
1993	14.2
1994	13.6
1995	13.1
1996	12.7
1997	12.2
1998	11.8
1999	11.5
2000	11.2
2001	10.9
2002	10.6
2003	10.3
2004	10
2005	9.8
2006	9.6
2007	9.4
2008	9.2
2009	9
2010	8.8
2011	8.7
2012	8.5
2013	8.2