Year	Years
1800	503.4
1801	503.4
1802	503.4
1803	503.4
1804	503.4
1805	503.4
1806	503.4
1807	503.4
1808	503.4
1809	503.4
1810	503.4
1811	503.4
1812	503.4
1813	503.4
1814	503.4
1815	503.4
1816	503.4
1817	503.4
1818	503.4
1819	503.4
1820	503.4
1821	503.4
1822	503.4
1823	503.4
1824	503.4
1825	503.4
1826	503.4
1827	503.4
1828	503.4
1829	503.4
1830	503.4
1831	503.4
1832	503.4
1833	503.4
1834	503.4
1835	503.4
1836	503.4
1837	503.4
1838	503.4
1839	503.4
1840	503.4
1841	503.4
1842	503.4
1843	503.4
1844	503.4
1845	503.4
1846	503.4
1847	503.4
1848	503.4
1849	503.4
1850	503.4
1851	503.4
1852	503.4
1853	503.4
1854	503.4
1855	503.4
1856	503.4
1857	503.4
1858	503.4
1859	503.4
1860	503.4
1861	503.4
1862	503.4
1863	503.4
1864	503.4
1865	503.4
1866	503.4
1867	503.4
1868	503.4
1869	503.4
1870	503.4
1871	503.4
1872	503.4
1873	503.4
1874	503.4
1875	503.4
1876	503.4
1877	503.4
1878	503.4
1879	503.4
1880	503.4
1881	503.4
1882	503.4
1883	503.4
1884	503.4
1885	503.4
1886	503.4
1887	503.4
1888	503.4
1889	503.4
1890	503.4
1891	503.4
1892	503.4
1893	503.4
1894	503.4
1895	503.3
1896	503.2
1897	503.1
1898	502.9
1899	502.6
1900	502.3
1901	501.8
1902	501.3
1903	500.7
1904	507.6
1905	512.8
1906	519.6
1907	524.8
1908	531.6
1909	525.8
1910	520
1911	514.2
1912	508.5
1913	502.7
1914	495.6
1915	488.6
1916	481.7
1917	474.8
1918	468
1919	460
1920	452
1921	444.2
1922	436.5
1923	428.9
1924	417.6
1925	405.3
1926	394.4
1927	383.8
1928	373.4
1929	363.2
1930	354.4
1931	344.5
1932	336
1933	326.5
1934	315.1
1935	302.9
1936	292
1937	281.4
1938	270
1939	263.6
1940	258.2
1950	348.6
1951	303.7
1952	264.3
1953	230.2
1954	201.5
1955	178
1956	158.8
1957	143.5
1958	131.2
1959	121.5
1960	113.6
1961	106.8
1962	100.7
1963	95
1964	89.2
1965	83.3
1966	77.3
1967	71.2
1968	64.9
1969	58.6
1970	52.4
1971	46.4
1972	40.8
1973	35.6
1974	31
1975	26.9
1976	23.4
1977	20.4
1978	17.9
1979	15.9
1980	14.4
1981	13.1
1982	12.2
1983	11.4
1984	10.6
1985	9.9
1986	9.3
1987	8.6
1988	8
1989	7.6
1990	7.1
1991	6.8
1992	6.4
1993	6.1
1994	5.8
1995	5.5
1996	5.3
1997	5.3
1998	5.4
1999	5.7
2000	6.1
2001	6.4
2002	6.5
2003	6.4
2004	6
2005	5.6
2006	5.2
2007	4.8
2008	4.5
2009	4.3
2010	4.1
2011	4
2012	3.9
2013	3.7