Year	Years
1800	506.4
1801	506.4
1802	506.4
1803	506.4
1804	506.4
1805	506.4
1806	506.4
1807	506.4
1808	506.4
1809	506.4
1810	506.4
1811	506.4
1812	506.4
1813	506.4
1814	506.4
1815	506.4
1816	506.4
1817	506.4
1818	506.4
1819	506.4
1820	506.4
1821	506.4
1822	506.4
1823	506.4
1824	506.4
1825	506.4
1826	506.4
1827	506.4
1828	506.4
1829	506.4
1830	506.4
1831	506.4
1832	506.4
1833	506.4
1834	506.4
1835	506.4
1836	506.4
1837	506.4
1838	506.4
1839	506.4
1840	506.4
1841	506.4
1842	506.4
1843	506.4
1844	506.4
1845	506.4
1846	506.4
1847	506.4
1848	506.4
1849	506.4
1850	506.4
1851	506.4
1852	506.4
1853	506.4
1854	506.4
1855	506.4
1856	506.4
1857	506.4
1858	506.4
1859	506.4
1860	506.4
1861	506.4
1862	506.4
1863	506.4
1864	506.4
1865	506.4
1866	506.4
1867	506.4
1868	506.4
1869	506.4
1870	506.4
1871	506.4
1872	506.4
1873	506.4
1874	506.4
1875	506.4
1876	506.4
1877	506.4
1878	506.4
1879	506.4
1880	506.4
1881	506.4
1882	506.4
1883	506.4
1884	506.4
1885	506.4
1886	506.4
1887	506.4
1888	506.4
1889	506.4
1890	506.4
1891	506.4
1892	506.4
1893	506.4
1894	506.4
1895	506.3
1896	506.2
1897	506.1
1898	505.9
1899	505.6
1900	505.3
1901	504.8
1902	504.3
1903	503.7
1904	503.1
1905	502.3
1906	501.5
1907	500.6
1908	499.6
1909	498.5
1910	497.4
1911	496.3
1912	495.1
1913	493.9
1914	492.7
1915	491.5
1916	490.3
1917	489.1
1918	488
1919	486.8
1920	485.6
1921	484.4
1922	483.2
1923	482
1924	480.8
1925	479.6
1926	478.4
1927	477.3
1928	476.1
1929	474.9
1930	473.7
1931	472.5
1932	471.3
1933	470.1
1934	468.9
1935	467.8
1936	466.6
1937	465.4
1938	464.2
1939	463
1940	461.8
1941	441.8
1942	422.6
1943	405.3
1944	387.4
1945	370.1
1946	353.3
1947	337.1
1948	321.4
1958	339
1967	287.9
1968	266.1
1969	245.9
1970	227.3
1971	210.4
1972	195.2
1973	181.6
1974	169.3
1975	157.7
1976	146.6
1977	136.1
1978	125.8
1979	116
1980	106.9
1981	98.6
1982	91.4
1983	85.2
1984	79.8
1985	75.1
1986	70.8
1987	66.9
1988	63.2
1989	59.7
1990	56.6
1991	53.9
1992	51.4
1993	49.1
1994	47
1995	45
1996	43
1997	41
1998	38.9
1999	36.8
2000	34.7
2001	32.8
2002	30.9
2003	29.1
2004	27.4
2005	25.8
2006	24.3
2007	22.8
2008	21.5
2009	20.2
2010	19.2
2011	18.3
2012	17.5
2013	16.8