Year	Years
1800	441.1
1801	441.1
1802	441.1
1803	441.1
1804	441.1
1805	441.1
1806	441.1
1807	441.1
1808	441.1
1809	441.1
1810	441.1
1811	441.1
1812	441.1
1813	441.1
1814	441.1
1815	441.1
1816	441.1
1817	441.1
1818	441.1
1819	441.1
1820	441.1
1821	441.1
1822	441.1
1823	441.1
1824	441.1
1825	441.1
1826	441.1
1827	441.1
1828	441.1
1829	441.1
1830	441.1
1831	441.1
1832	441.1
1833	441.1
1834	441.1
1835	441.1
1836	441.1
1837	441.1
1838	441.1
1839	441.1
1840	441.1
1841	441.1
1842	441.1
1843	441.1
1844	441.1
1845	441.1
1846	441.1
1847	441.1
1848	441.1
1849	441.1
1850	441.1
1851	441.1
1852	441.1
1853	441.1
1854	441.1
1855	441.1
1856	441.1
1857	441.1
1858	441.1
1859	441.1
1860	441.1
1861	441.1
1862	441.1
1863	441.1
1864	441.1
1865	441.1
1866	441.1
1867	441.1
1868	441.1
1869	441.1
1870	441.1
1871	441.1
1872	441.1
1873	441.1
1874	441.1
1875	441.1
1876	441.1
1877	441.1
1878	441.1
1879	441.1
1880	441.1
1881	441.1
1882	441.1
1883	441.1
1884	441.1
1885	441.1
1886	441.1
1887	441.1
1888	441.1
1889	441.1
1890	435.8
1891	430.5
1892	425.2
1893	420
1894	414.9
1895	408.5
1896	403.3
1897	398.2
1898	393.1
1899	388
1900	382.8
1901	382.5
1902	380.9
1903	380.4
1904	378.7
1905	378.1
1906	377.5
1907	375.6
1908	374.9
1909	372.9
1910	372.1
1911	371.2
1912	370.4
1913	369.5
1914	368.6
1915	367.7
1916	366.8
1917	365.9
1918	365
1919	364.1
1920	363.2
1921	354.3
1922	345.6
1923	336.9
1924	328.5
1925	319.1
1926	310.9
1927	302.8
1928	294.9
1929	287.1
1930	279.5
1931	273.9
1932	269.3
1933	263.9
1934	258.4
1935	253.1
1936	248.7
1937	243.5
1938	238.4
1939	234.2
1940	229.1
1941	220.7
1942	212.4
1943	203.4
1944	195.5
1945	187.7
1946	180
1947	172.5
1948	164.4
1949	157.2
1950	150.2
1951	147.6
1952	142.9
1953	138.8
1954	133.9
1955	128.9
1965	90
1966	85
1967	82.1
1968	80.5
1969	79
1970	76.2
1971	71.7
1972	65.2
1973	58
1974	51.5
1975	45.9
1976	40.4
1977	34.3
1978	29
1979	25.4
1980	23.8
1981	23.2
1982	23
1983	22.8
1984	22.4
1985	21.6
1986	20.6
1987	19.4
1988	18.2
1989	17.4
1990	16.9
1991	16.6
1992	16.2
1993	15.8
1994	15.4
1995	15.3
1996	15.1
1997	14.8
1998	14.3
1999	13.8
2000	13.1
2001	12.3
2002	11.6
2003	10.9
2004	10.6
2005	10.4
2006	10.4
2007	10.4
2008	10.2
2009	10.1
2010	10
2011	10
2012	9.8
2013	9.6