Year	Years
1800	348.2
1801	348.2
1802	348.2
1803	348.2
1804	348.2
1805	348.2
1806	348.2
1807	348.2
1808	348.2
1809	348.2
1810	348.2
1811	348.2
1812	348.2
1813	348.2
1814	348.2
1815	348.2
1816	348.2
1817	348.2
1818	348.2
1819	348.2
1820	348.2
1821	348.2
1822	348.2
1823	348.2
1824	348.2
1825	348.2
1826	348.2
1827	348.2
1828	348.2
1829	348.2
1830	348.2
1831	348.2
1832	348.2
1833	348.2
1834	348.2
1835	348.2
1836	348.2
1837	348.2
1838	348.2
1839	348.2
1840	348.2
1841	348.2
1842	348.2
1843	348.2
1844	348.2
1845	348.2
1846	515.4
1847	443.8
1848	587.1
1849	597.6
1850	380
1851	348.2
1852	348.2
1853	348.2
1854	348.2
1864	145.6
1865	145.6
1866	138.4
1867	143.8
1868	140.2
1869	136.6
1870	140.2
1871	133
1872	143.8
1873	142
1874	138.4
1875	140.2
1876	138.4
1877	134.8
1878	143.8
1879	151.1
1880	171.6
1881	133
1882	140.2
1883	145.6
1884	134.8
1885	140.2
1886	138.4
1887	140.2
1888	143.8
1889	138.4
1890	140.2
1891	140.2
1892	158.5
1893	152.9
1894	152.9
1895	156.7
1896	140.2
1897	165.9
1898	167.8
1899	164.1
1900	165.9
1901	151.1
1902	149.3
1903	142
1904	149.3
1905	140.2
1906	136.6
1907	134.8
1908	143.8
1909	134.8
1910	140.2
1911	138.4
1912	124.1
1913	143.8
1914	125.9
1915	134.8
1916	118.9
1917	127.7
1918	124.1
1919	127.7
1920	118.9
1922	95.24
1923	90.4
1924	100.2
1925	93.6
1926	103.5
1927	98.52
1928	93.6
1929	96.88
1930	93.6
1931	95.24
1932	100.2
1933	88.79
1934	85.73
1935	93.6
1936	103.5
1937	101.8
1938	91.99
1939	90.4
1940	90.4
1941	103.5
1942	95.24
1943	118.9
1944	112
1945	98.52
1946	88.79
1947	93.6
1948	59.3
1949	56.6
1950	54.2
1951	51.9
1952	49.5
1953	47.1
1954	44.9
1955	43
1956	41.3
1957	39.7
1958	38.2
1959	36.8
1960	35.3
1961	33.9
1962	32.5
1963	31.3
1964	30.1
1965	28.6
1966	27
1967	25.5
1968	24.1
1969	23
1970	22.2
1971	21.7
1972	21.4
1973	21.1
1974	20.6
1975	20
1976	19.1
1977	18
1978	16.8
1979	15.5
1980	14.3
1981	13.3
1982	12.4
1983	11.7
1984	11.1
1985	10.7
1986	10.4
1987	10.1
1988	9.9
1989	9.6
1990	9.2
1991	8.6
1992	8.1
1993	7.7
1994	7.4
1995	7.3
1996	7.3
1997	7.3
1998	7.3
1999	7.3
2000	7.2
2001	6.9
2002	6.5
2003	6.1
2004	5.6
2005	5.2
2006	4.9
2007	4.6
2008	4.4
2009	4.3
2010	4.2
2011	4.1
2012	3.9
2013	3.8