Year	Years
1800	363.3
1801	363.3
1802	363.3
1803	363.3
1804	363.3
1805	363.3
1806	363.3
1807	363.3
1808	363.3
1809	363.3
1810	363.3
1811	363.3
1812	363.3
1813	363.3
1814	363.3
1815	363.3
1816	363.3
1817	363.3
1818	363.3
1819	363.3
1820	363.3
1821	363.3
1822	363.3
1823	363.3
1824	363.3
1825	363.3
1826	363.3
1827	363.3
1828	363.3
1829	363.3
1830	363.3
1831	363.3
1832	363.3
1833	363.3
1834	363.3
1835	363.3
1836	363.3
1837	363.3
1838	363.3
1839	363.3
1840	363.3
1841	363.3
1842	363.3
1843	363.3
1844	363.3
1845	363.3
1846	363.3
1847	363.3
1848	363.3
1849	363.3
1850	363.3
1851	363.3
1852	363.3
1853	363.3
1854	363.3
1855	363.3
1856	363.3
1857	363.3
1858	363.3
1859	363.3
1860	363.3
1861	363.3
1862	363.3
1863	363.3
1864	363.3
1865	363.3
1866	362.1
1867	362.1
1868	362.1
1869	361
1870	361
1871	361
1872	359.8
1873	359.8
1874	358.6
1875	358.6
1876	358.6
1877	357.4
1878	357.4
1879	356.3
1880	356.3
1881	355.1
1882	354
1883	354
1884	352.8
1885	352.8
1886	351.7
1887	350.5
1888	350.5
1889	349.4
1890	348.2
1891	347.1
1892	347.1
1893	345.9
1894	344.8
1895	343.6
1896	342.4
1897	341.2
1898	339.9
1899	338.6
1900	337.3
1901	335.8
1902	334.4
1903	331.7
1904	330.2
1905	328.6
1906	325.9
1907	324.2
1908	321.4
1909	319.6
1910	316.7
1920	270.1
1921	286
1922	270.1
1923	265.2
1924	253.2
1925	227.8
1926	218.5
1927	227.8
1928	220.3
1929	227.8
1930	196
1931	209.1
1932	182.8
1933	190.3
1934	196
1935	162.2
1936	180.9
1937	160.4
1938	177.2
1939	162.2
1940	131.2
1941	120.6
1942	124.1
1943	125.9
1947	147.6
1948	99.21
1949	100.5
1950	91.4
1951	82.6
1952	74.9
1953	68.3
1954	62.7
1955	58
1956	54
1957	50.3
1958	46.8
1959	43.3
1960	39.7
1961	36.2
1962	32.9
1963	29.7
1964	27
1965	24.6
1966	22.6
1967	21
1968	19.6
1969	18.5
1970	17.5
1971	16.5
1972	15.7
1973	14.9
1974	14.1
1975	13.3
1976	12.5
1977	11.8
1978	11.1
1979	10.5
1980	9.9
1981	9.3
1982	8.8
1983	8.3
1984	7.9
1985	7.5
1986	7.1
1987	6.8
1988	6.6
1989	6.4
1990	6.3
1991	6.2
1992	6.1
1993	6
1994	5.9
1995	5.7
1996	5.5
1997	5.2
1998	5
1999	4.7
2000	4.5
2001	4.3
2002	4.1
2003	4
2004	3.9
2005	3.7
2006	3.6
2007	3.5
2008	3.4
2009	3.3
2010	3.2
2011	3.4
2012	3
2013	2.9