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
1901	552.2
1902	438.5
1903	428.7
1904	464.5
1905	404.5
1906	531
1907	483.9
1908	516.4
1909	511.6
1910	433.6
1911	540.8
1912	466.1
1913	464.5
1914	414.1
1915	412.6
1916	391.6
1917	436.9
1918	414.1
1919	496.9
1920	427.1
1921	451.5
1922	390
1923	459.6
1924	432
1925	419
1926	407.7
1927	367.3
1928	344.7
1929	364.1
1930	380.3
1931	377
1932	381.9
1933	419
1934	425.5
1935	407.7
1936	409.3
1937	391.6
1938	383.5
1939	365.7
1940	352.8
1941	325.3
1942	317.1
1943	315.5
1944	294.2
1945	299.1
1946	260.2
1947	261.9
1948	237
1949	251.5
1950	238.3
1951	229.4
1952	220.7
1953	212.4
1959	168.8
1960	157.6
1961	148.6
1962	142
1963	135.8
1964	127.2
1965	115.8
1966	104
1967	94.1
1968	86.7
1969	81.9
1970	79.3
1971	77.9
1972	76.9
1973	75
1974	71
1975	64.5
1976	56.7
1977	48.9
1978	42
1979	36.8
1980	33.1
1981	30.1
1982	27.1
1983	24.6
1984	23
1985	22.4
1986	22.2
1987	21.9
1988	21.3
1989	20.4
1990	19.1
1991	17.7
1992	16.4
1993	15.1
1994	14
1995	13.1
1996	12.5
1997	12.2
1998	11.9
1999	11.5
2000	10.9
2001	10.3
2002	9.8
2003	9.5
2004	9.3
2005	9.1
2006	9
2007	8.9
2008	8.9
2009	8.8
2010	8.7
2011	8.6
2012	8.4
2013	8.2