Year	Years
1800	460.2
1801	460.2
1802	460.2
1803	460.2
1804	460.2
1805	460.2
1806	460.2
1807	460.2
1808	460.2
1809	460.2
1810	460.2
1811	460.2
1812	460.2
1813	460.2
1814	460.2
1815	460.2
1816	460.2
1817	460.2
1818	460.2
1819	460.2
1820	460.2
1821	460.2
1822	460.2
1823	460.2
1824	460.2
1825	460.2
1826	460.2
1827	460.2
1828	460.2
1829	460.2
1830	460.2
1831	460.2
1832	460.2
1833	460.2
1834	460.2
1835	460.2
1836	460.2
1837	460.2
1838	460.2
1839	460.2
1840	460.2
1841	460.2
1842	460.2
1843	460.2
1844	460.2
1845	460.2
1846	460.2
1847	460.2
1848	460.2
1849	460.2
1850	460.2
1851	460.2
1852	460.2
1853	460.2
1854	460.2
1855	460.2
1856	460.2
1857	460.2
1858	460.2
1859	460.2
1860	460.2
1861	460.2
1862	460.2
1863	460.2
1864	460.2
1865	460.2
1866	460.2
1867	460.2
1868	460.2
1869	460.2
1870	460.2
1871	460.2
1872	460.2
1873	460.2
1874	460.2
1875	460.2
1876	460.2
1877	460.2
1878	460.2
1879	460.2
1880	460.2
1881	460.2
1882	460.2
1883	460.2
1884	460.2
1885	460.2
1886	460.2
1887	460.2
1888	460.2
1889	460.2
1890	460.2
1891	460.2
1892	460.2
1893	460.2
1894	460.2
1895	460.2
1896	460.1
1897	460
1898	459.8
1899	459.5
1900	459.2
1901	458.8
1902	458.4
1903	457.8
1904	457.2
1905	456.5
1906	455.8
1907	454.9
1908	454
1909	453.1
1910	452.1
1911	451
1912	449.9
1913	448.9
1914	447.8
1915	446.7
1916	445.6
1917	444.6
1918	443.5
1919	442.4
1920	441.3
1921	440.2
1922	439.1
1923	438.1
1924	433
1925	429.4
1926	425.8
1927	420.8
1928	417.2
1929	412.4
1930	408.9
1931	405.4
1932	400.7
1933	397.2
1934	392.6
1935	388
1936	382.3
1937	377.8
1938	373.3
1939	368.9
1940	364.5
1941	360.2
1942	359.2
1943	358.3
1944	357.4
1954	248.9
1955	248.5
1956	248
1957	247.2
1958	246.8
1959	246.5
1960	246.6
1961	246.8
1962	247.2
1963	248.1
1964	248.8
1965	250
1966	250.8
1967	251
1968	250.1
1969	248
1970	244.7
1971	240
1972	233.8
1973	226.4
1974	217.7
1975	208.1
1976	197.7
1977	186.7
1978	175
1979	162.2
1980	148
1981	132.4
1982	115.5
1983	98.6
1984	83.5
1985	71.3
1986	62.1
1987	55.7
1988	51.4
1989	48.8
1990	47.1
1991	45.9
1992	45.1
1993	44.3
1994	43.5
1995	42.7
1996	41.9
1997	41.2
1998	40.7
1999	40.2
2000	39.6
2001	38.8
2002	37.8
2003	36.5
2004	35.1
2005	33.6
2006	32.1
2007	30.7
2008	29.5
2009	28.4
2010	27.4
2011	26.6
2012	25.8
2013	25.2