Year	Years
1800	504.9
1801	504.9
1802	504.9
1803	504.9
1804	504.9
1805	504.9
1806	504.9
1807	504.9
1808	504.9
1809	504.9
1810	504.9
1811	504.9
1812	504.9
1813	504.9
1814	504.9
1815	504.9
1816	504.9
1817	504.9
1818	504.9
1819	504.9
1820	504.9
1821	504.9
1822	504.9
1823	504.9
1824	504.9
1825	504.9
1826	504.9
1827	504.9
1828	504.9
1829	504.9
1830	504.9
1831	504.9
1832	504.9
1833	504.9
1834	504.9
1835	504.9
1836	504.9
1837	504.9
1838	504.9
1839	504.9
1840	504.9
1841	504.9
1842	504.9
1843	504.9
1844	504.9
1845	504.9
1846	504.9
1847	504.9
1848	504.9
1849	504.9
1850	504.9
1851	504.9
1852	504.9
1853	504.9
1854	504.9
1855	504.9
1856	504.9
1857	504.9
1858	504.9
1859	504.9
1860	504.9
1861	504.9
1862	504.9
1863	504.9
1864	504.9
1865	504.9
1866	504.9
1867	504.9
1868	504.9
1869	504.9
1870	504.9
1871	504.9
1872	504.9
1873	504.9
1874	504.9
1875	504.9
1876	504.9
1877	504.9
1878	504.9
1879	504.9
1880	504.9
1881	504.9
1882	504.9
1883	504.9
1884	504.9
1885	504.9
1886	504.9
1887	504.9
1888	504.9
1889	504.9
1890	504.9
1891	504.9
1892	504.9
1893	504.9
1894	504.9
1895	504.8
1896	504.7
1897	504.6
1898	504.4
1899	504.1
1900	503.8
1901	503.3
1902	502.8
1903	502.2
1904	501.6
1905	500.8
1906	500
1907	499.1
1908	498.1
1909	497
1910	495.9
1911	494.8
1912	493.6
1913	492.4
1914	491.2
1915	490.1
1916	488.9
1917	487.7
1918	486.5
1919	485.3
1920	484.1
1921	482.9
1922	481.8
1923	480.6
1924	479.4
1925	478.2
1926	477
1927	475.8
1928	474.7
1929	473.5
1930	472.3
1931	471.1
1932	469.9
1933	468.7
1934	467.6
1935	466.4
1936	465.2
1937	464
1938	462.8
1939	461.6
1940	460.4
1941	459.3
1942	458.1
1943	456.9
1944	455.7
1945	414.3
1946	376
1947	340.3
1948	305.9
1949	274.7
1950	245.3
1960	196.4
1961	185.8
1962	176.2
1963	167.4
1964	158.8
1965	150.4
1966	142.1
1967	133.5
1968	124.7
1969	115.6
1970	106.8
1971	98.7
1972	91
1973	84.2
1974	78
1975	72.3
1976	67.1
1977	62.3
1978	58.2
1979	54.7
1980	51.8
1981	49.4
1982	47.4
1983	45.7
1984	44.2
1985	43
1986	41.9
1987	41
1988	40.2
1989	39.4
1990	38.7
1991	37.8
1992	37
1993	36.1
1994	35.4
1995	34.8
1996	34.4
1997	34.2
1998	34.2
1999	34.3
2000	34.4
2001	34.6
2002	34.8
2003	35.1
2004	35.3
2005	35.3
2006	35.1
2007	34.7
2008	34.1
2009	33.4
2010	32.6
2011	31.9
2012	31
2013	30.1