Year	Years
1800	378.8
1801	378.8
1802	378.8
1803	378.8
1804	378.8
1805	378.8
1806	378.8
1807	378.8
1808	378.8
1809	378.8
1810	378.8
1811	378.8
1812	378.8
1813	378.8
1814	378.8
1815	378.8
1816	378.8
1817	378.8
1818	378.8
1819	378.8
1820	378.8
1821	378.8
1822	378.8
1823	378.8
1824	378.8
1825	378.8
1826	378.8
1827	378.8
1828	378.8
1829	378.8
1830	378.8
1831	378.8
1832	378.8
1833	378.8
1834	378.8
1835	378.8
1836	378.8
1837	378.8
1838	378.8
1839	378.8
1840	378.8
1841	378.8
1842	378.8
1843	378.8
1844	378.8
1845	378.8
1846	378.8
1847	378.8
1848	378.8
1849	378.8
1850	378.8
1851	378.8
1852	378.8
1853	378.8
1854	378.8
1855	378.8
1856	378.8
1857	378.8
1858	378.8
1859	378.8
1860	378.8
1861	378.8
1862	378.8
1863	378.8
1864	378.8
1865	378.8
1866	378.8
1867	378.8
1868	378.8
1869	378.8
1870	378.8
1871	378.8
1872	378.8
1873	378.8
1874	378.8
1875	378.8
1876	378.8
1877	378.8
1878	378.8
1879	378.8
1880	378.8
1881	378.8
1882	378.8
1883	378.8
1884	378.8
1885	378.8
1886	378.8
1887	378.8
1888	378.8
1889	378.8
1890	378.8
1891	378.8
1892	378.8
1893	378.8
1894	378.8
1895	378.8
1896	378.7
1897	378.6
1898	378.4
1899	378.2
1900	378
1901	377.6
1902	377.3
1903	376.8
1904	376.3
1905	375.8
1906	375.1
1907	374.4
1908	373.7
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	356.6
1922	348.9
1923	342.5
1924	335
1925	328.7
1926	321.5
1927	315.4
1928	308.3
1929	302.4
1930	296.5
1931	289.7
1932	284
1933	277.4
1934	271.8
1935	265.4
1936	259.9
1937	254.6
1938	248.4
1939	243.2
1940	237.1
1941	232.1
1942	226.2
1943	221.3
1944	215.5
1945	210.7
1946	206
1947	200.5
1948	195.9
1949	190.5
1950	186
1960	158.5
1970	81.22
1983	30.4
1984	29.4
1985	27
1986	24.9
1987	23
1988	21.2
1989	19.7
1990	18.3
1991	17
1992	16
1993	15
1994	14.2
1995	13.3
1996	12.5
1997	11.6
1998	10.7
1999	9.9
2000	9.2
2001	8.6
2002	8.3
2003	8.2
2004	8.2
2005	8.2
2006	8.2
2007	8.2
2008	8.1
2009	7.8
2010	7.5
2011	7.2
2012	6.9
2013	6.6