Year	Years
1800	431.8
1801	431.8
1802	431.8
1803	431.8
1804	431.8
1805	431.8
1806	431.8
1807	431.8
1808	431.8
1809	431.8
1810	431.8
1811	431.8
1812	431.8
1813	431.8
1814	431.8
1815	431.8
1816	431.8
1817	431.8
1818	431.8
1819	431.8
1820	431.8
1821	431.8
1822	431.8
1823	431.8
1824	431.8
1825	431.8
1826	431.8
1827	431.8
1828	431.8
1829	431.8
1830	431.8
1831	431.8
1832	431.8
1833	431.8
1834	431.8
1835	431.8
1836	431.8
1837	431.8
1838	431.8
1839	431.8
1840	431.8
1841	431.8
1842	431.8
1843	431.8
1844	431.8
1845	431.8
1846	431.8
1847	431.8
1848	431.8
1849	431.8
1850	431.8
1851	431.8
1852	431.8
1853	431.8
1854	431.8
1855	431.8
1856	431.8
1857	431.8
1858	431.8
1859	431.8
1860	431.8
1861	431.8
1862	431.8
1863	431.8
1864	431.8
1865	431.8
1866	431.8
1867	431.8
1868	431.8
1869	431.8
1870	431.8
1871	431.8
1872	431.8
1873	431.8
1874	431.8
1875	431.8
1876	431.8
1877	431.8
1878	431.8
1879	431.8
1880	431.8
1881	431.8
1882	431.8
1883	431.8
1884	431.8
1885	431.8
1886	431.8
1887	431.8
1888	431.8
1889	431.8
1890	431.8
1891	431.8
1892	431.8
1893	431.8
1894	431.8
1895	431.8
1896	431.7
1897	431.6
1898	431.4
1899	431.2
1900	430.9
1901	430.5
1902	756.3
1903	429.5
1904	429
1905	428.3
1906	427.6
1907	426.8
1908	426
1909	425.1
1910	424.1
1911	423.2
1912	422.2
1913	421.1
1914	420.1
1915	419.1
1916	418.1
1917	417.1
1918	488
1919	415.1
1920	414.1
1921	413.1
1922	412
1923	411
1924	410
1925	409
1926	408
1927	407
1928	406
1929	404.9
1930	403.9
1931	389.5
1932	374.4
1933	360.7
1934	346.4
1935	333.4
1936	320.9
1937	307.5
1938	295.5
1939	282.9
1940	269.6
1950	174.5
1951	164.2
1952	154.6
1953	145.7
1954	137.7
1955	130.5
1956	124
1957	118.1
1958	112.9
1959	108.2
1960	104.1
1961	100.7
1962	97.8
1963	95.3
1964	93.2
1965	91.2
1966	89.3
1967	87.6
1968	86
1969	84.8
1970	83.9
1971	83.3
1972	82.9
1973	82.8
1974	82.9
1975	83
1976	83.1
1977	83.1
1978	82.9
1979	82.4
1980	81.8
1981	80.8
1982	79.7
1983	78.4
1984	76.8
1985	74.8
1986	72.3
1987	69.2
1988	65.7
1989	62.1
1990	58.6
1991	55.3
1992	52.4
1993	49.9
1994	47.8
1995	46
1996	44.4
1997	43
1998	41.8
1999	40.8
2000	39.9
2001	39
2002	38.2
2003	37.4
2004	36.6
2005	35.8
2006	35
2007	34.3
2008	33.5
2009	32.8
2010	32.1
2011	31.4
2012	30.6
2013	29.9