Year	Years
1800	487.1
1801	487.1
1802	487.1
1803	487.1
1804	487.1
1805	487.1
1806	487.1
1807	487.1
1808	487.1
1809	487.1
1810	487.1
1811	487.1
1812	487.1
1813	487.1
1814	487.1
1815	487.1
1816	487.1
1817	487.1
1818	487.1
1819	487.1
1820	487.1
1821	487.1
1822	487.1
1823	487.1
1824	487.1
1825	487.1
1826	487.1
1827	487.1
1828	487.1
1829	487.1
1830	487.1
1831	487.1
1832	487.1
1833	487.1
1834	487.1
1835	487.1
1836	487.1
1837	487.1
1838	487.1
1839	487.1
1840	487.1
1841	487.1
1842	487.1
1843	487.1
1844	487.1
1845	487.1
1846	487.1
1847	487.1
1848	487.1
1849	487.1
1850	487.1
1851	487.1
1852	487.1
1853	487.1
1854	487.1
1855	487.1
1856	487.1
1857	487.1
1858	487.1
1859	487.1
1860	487.1
1861	487.1
1862	487.1
1863	487.1
1864	487.1
1865	487.1
1866	487.1
1867	487.1
1868	487.1
1869	487.1
1870	487.1
1871	487.1
1872	487.1
1873	487.1
1874	487.1
1875	487.1
1876	487.1
1877	487.1
1878	487.1
1879	487.1
1880	487.1
1881	487.1
1882	487.1
1883	487.1
1884	487.1
1885	487.1
1886	487.1
1887	487.1
1888	487.1
1889	487.1
1890	487.1
1891	504.9
1892	523.1
1893	542
1894	491.5
1895	450.6
1896	460.1
1897	497.1
1898	485.2
1899	514.7
1900	476.1
1901	488.6
1902	463.9
1903	459.2
1904	453.1
1905	484.7
1906	468.2
1907	466
1908	455.4
1909	447.6
1910	471.5
1911	464.8
1912	456.8
1913	450.2
1914	443.7
1915	436.1
1916	429.7
1917	423.5
1918	416.1
1919	410
1920	404
1921	396.9
1922	391
1923	379.3
1924	386.7
1925	394.2
1926	368.3
1927	300.8
1928	363
1929	351.9
1930	342.1
1931	324.9
1932	316.7
1933	327.6
1934	317.2
1935	293.8
1936	314.5
1937	329.6
1938	301.6
1939	242.3
1940	302.1
1941	267.9
1942	294.5
1943	264.7
1944	260.2
1945	250.3
1946	244.2
1947	230.2
1948	212.5
1949	233.4
1959	151.6
1960	146.7
1961	142
1962	137.5
1963	133.4
1964	129.5
1965	125.9
1966	122.5
1967	119.2
1968	115.8
1969	112.1
1970	108.4
1971	104.6
1972	100.8
1973	97.4
1974	94.1
1975	91.1
1976	88.2
1977	85.2
1978	82
1979	78.5
1980	74.9
1981	71.3
1982	67.7
1983	64.3
1984	61.4
1985	58.7
1986	56.2
1987	53.7
1988	51.3
1989	48.9
1990	46.4
1991	44
1992	41.6
1993	39.3
1994	37.1
1995	35
1996	32.9
1997	30.9
1998	29
1999	27.3
2000	25.6
2001	24
2002	22.6
2003	21.4
2004	20.4
2005	19.5
2006	18.9
2007	18.4
2008	17.9
2009	17.4
2010	16.8
2011	16
2012	15.3
2013	14.5