Year	Years
1800	437.1
1801	437.1
1802	437.1
1803	437.1
1804	437.1
1805	437.1
1806	437.1
1807	437.1
1808	437.1
1809	437.1
1810	437.1
1811	437.1
1812	437.1
1813	437.1
1814	437.1
1815	437.1
1816	437.1
1817	437.1
1818	437.1
1819	437.1
1820	437.1
1821	437.1
1822	437.1
1823	437.1
1824	437.1
1825	437.1
1826	437.1
1827	437.1
1828	437.1
1829	437.1
1830	437.1
1831	437.1
1832	437.1
1833	437.1
1834	437.1
1835	437.1
1836	437.1
1837	437.1
1838	437.1
1839	437.1
1840	437.1
1841	437.1
1842	437.1
1843	437.1
1844	437.1
1845	437.1
1846	437.1
1847	437.1
1848	437.1
1849	437.1
1850	437.1
1851	437.1
1852	437.1
1853	437.1
1854	437.1
1855	437.1
1856	437.1
1857	437.1
1858	437.1
1859	437.1
1860	437.1
1861	437.1
1862	437.1
1863	437.1
1864	437.1
1865	437.1
1866	437.1
1867	437.1
1868	437.1
1869	437.1
1870	437.1
1871	437.1
1872	437.1
1873	437.1
1874	437.1
1875	437.1
1876	437.1
1877	437.1
1878	437.1
1879	437.1
1880	437.1
1881	437.1
1882	437.1
1883	437.1
1884	437.1
1885	437.1
1886	437.1
1887	437.1
1888	437.1
1889	437.1
1890	437.1
1891	437.1
1892	437.1
1893	437.1
1894	437.1
1895	437.1
1896	437
1897	436.9
1898	436.7
1899	436.5
1900	436.2
1901	435.8
1902	435.4
1903	434.9
1904	434.3
1905	433.6
1906	432.9
1907	432.1
1908	431.3
1909	430.3
1910	429.4
1911	428.4
1912	427.4
1913	426.4
1914	425.3
1915	424.3
1916	423.3
1917	422.2
1918	421.2
1919	420.2
1920	419.2
1921	418.1
1922	417.1
1923	416.1
1924	415.1
1925	414.1
1926	413
1927	412
1928	411
1929	409.9
1930	408.9
1931	407.9
1932	406.9
1933	405.8
1934	404.8
1935	403.8
1936	402.8
1937	401.7
1938	400.7
1939	399.7
1940	398.7
1941	397.6
1942	396.6
1943	395.6
1944	394.6
1945	393.5
1946	380.7
1947	369.3
1948	357
1949	345.1
1950	334.4
1951	330.4
1952	324.2
1953	317.8
1954	312
1955	304.9
1965	192.1
1966	186.3
1967	180.3
1968	174.8
1969	170.1
1970	166.4
1971	164
1972	162.6
1973	162.5
1974	163.3
1975	164.8
1976	166.4
1977	168
1978	169.7
1979	171.7
1980	174.3
1981	177.5
1982	180.7
1983	183.1
1984	184
1985	183.4
1986	181.1
1987	177.3
1988	172.2
1989	166.5
1990	160.8
1991	155.9
1992	151.4
1993	147.6
1994	143.8
1995	139.6
1996	134.7
1997	129.2
1998	123.2
1999	116.9
2000	110.6
2001	104.4
2002	98.5
2003	92.9
2004	87.6
2005	82.3
2006	77.4
2007	73
2008	69.2
2009	65.8
2010	63
2011	60.6
2012	58.1
2013	56