Year	Years
1800	416.2
1801	416.2
1802	416.2
1803	416.2
1804	416.2
1805	416.2
1806	416.2
1807	416.2
1808	416.2
1809	416.2
1810	416.2
1811	416.2
1812	416.2
1813	416.2
1814	416.2
1815	416.2
1816	416.2
1817	416.2
1818	416.2
1819	416.2
1820	416.2
1821	416.2
1822	416.2
1823	416.2
1824	416.2
1825	416.2
1826	416.2
1827	416.2
1828	416.2
1829	416.2
1830	416.2
1831	416.2
1832	416.2
1833	416.2
1834	416.2
1835	416.2
1836	416.2
1837	416.2
1838	416.2
1839	416.2
1840	416.2
1841	416.2
1842	416.2
1843	416.2
1844	416.2
1845	416.2
1846	416.2
1847	416.2
1848	416.2
1849	416.2
1850	416.2
1851	416.2
1852	416.2
1853	416.2
1854	416.2
1855	416.2
1856	416.2
1857	416.2
1858	416.2
1859	416.2
1860	416.2
1861	416.2
1862	416.2
1863	416.2
1864	416.2
1865	416.2
1866	416.2
1867	416.2
1868	416.2
1869	416.2
1870	416.2
1871	416.2
1872	416.2
1873	416.2
1874	416.2
1875	416.2
1876	416.2
1877	416.2
1878	416.2
1879	416.2
1880	416.2
1881	416.2
1882	416.2
1883	416.2
1884	416.2
1885	416.2
1886	416.2
1887	416.2
1888	416.2
1889	416.2
1890	416.2
1891	416.2
1892	416.2
1893	416.2
1894	416.1
1895	416.1
1896	416.1
1897	415.9
1898	415.8
1899	415.6
1900	415.3
1901	414.9
1902	414.5
1903	414
1904	413.4
1905	412.8
1906	412.1
1907	411.4
1908	410.6
1909	409.7
1910	408.8
1911	407.9
1912	406.9
1913	405.9
1914	404.9
1915	403.9
1916	403
1917	402
1918	401
1919	400.1
1920	399.1
1921	398.1
1922	397.1
1923	396.1
1924	395.2
1925	394.2
1926	393.2
1927	392.2
1928	391.3
1929	390.3
1930	389.3
1931	388.3
1932	387.4
1933	386.4
1934	385.4
1935	384.4
1936	383.4
1937	382.5
1938	381.5
1939	380.5
1940	379.5
1941	378.6
1942	377.6
1943	376.6
1944	375.6
1945	374.7
1946	353.3
1947	333.9
1948	314.1
1949	295.1
1950	276.8
1960	242.5
1970	182.8
1971	171.2
1972	161.5
1973	151.3
1974	142.1
1975	133.9
1976	126
1977	118.3
1978	111.3
1979	104.6
1980	98.1
1981	91.9
1982	85.8
1983	80
1984	74.4
1985	68.9
1986	63.5
1987	58.2
1988	53.2
1989	48.5
1990	44.1
1991	40.1
1992	36.8
1993	33.9
1994	31.5
1995	29.4
1996	27.6
1997	26.1
1998	24.8
1999	23.7
2000	22.8
2001	21.9
2002	21.2
2003	20.6
2004	20.1
2005	19.6
2006	19.2
2007	18.7
2008	18.2
2009	17.6
2010	17.1
2011	16.6
2012	16.1
2013	15.5