Year	Years
1800	417.4
1801	417.4
1802	417.4
1803	417.4
1804	417.4
1805	417.4
1806	417.4
1807	417.4
1808	417.4
1809	417.4
1810	417.4
1811	417.4
1812	417.4
1813	417.4
1814	417.4
1815	417.4
1816	417.4
1817	417.4
1818	417.4
1819	417.4
1820	417.4
1821	417.4
1822	417.4
1823	417.4
1824	417.4
1825	417.4
1826	417.4
1827	417.4
1828	417.4
1829	417.4
1830	417.4
1831	417.4
1832	417.4
1833	417.4
1834	417.4
1835	417.4
1836	417.4
1837	417.4
1838	417.4
1839	417.4
1840	417.4
1841	417.4
1842	417.4
1843	417.4
1844	417.4
1845	417.4
1846	417.4
1847	417.4
1848	417.4
1849	417.4
1850	417.4
1851	430.5
1852	443.8
1853	457.4
1854	471.4
1855	485.7
1856	500.4
1857	491.6
1858	481.4
1859	472.8
1860	464.4
1861	456.1
1862	446.5
1863	438.5
1864	430.5
1865	429.2
1866	426.6
1867	425.2
1868	422.6
1869	421.3
1870	418.7
1871	417.4
1872	417.4
1873	417.4
1874	417.4
1875	417.4
1876	417.4
1877	417.4
1878	417.4
1879	417.4
1880	417.4
1881	417.4
1882	417.4
1883	417.4
1884	417.4
1885	417.4
1886	417.4
1887	417.4
1888	417.4
1889	417.4
1890	417.4
1891	417.4
1892	417.4
1893	417.4
1894	417.4
1895	417.4
1896	417.3
1897	417.2
1898	417.1
1899	416.8
1900	416.5
1901	416.2
1902	415.8
1903	415.3
1904	414.7
1905	414.1
1906	413.4
1907	412.6
1908	411.8
1909	411
1910	410.1
1911	409.1
1912	408.1
1913	407.1
1914	406.2
1915	405.2
1916	404.2
1917	403.2
1918	402.2
1919	401.3
1920	400.3
1921	399.3
1922	398.3
1923	397.4
1924	396.4
1925	395.4
1926	394.4
1927	393.4
1928	392.5
1929	391.5
1930	390.5
1931	383.6
1932	376.7
1933	369.9
1934	363.2
1935	356.7
1936	350.1
1937	345.9
1938	340.6
1939	336.5
1940	332.4
1950	317.1
1955	291
1958	233.3
1959	268.4
1960	309
1961	261.9
1962	167.8
1965	115.4
1968	132.3
1969	119.1
1970	113.2
1971	107.6
1972	102.1
1973	96.5
1974	90.8
1975	85.3
1976	79.8
1977	74.6
1978	70
1979	65.9
1980	62.4
1981	59.5
1982	57.2
1983	55.5
1984	54.4
1985	53.8
1986	53.7
1987	53.8
1988	54
1989	54.1
1990	53.9
1991	53.4
1992	52.4
1993	51.1
1994	49.4
1995	47.5
1996	45.6
1997	43.6
1998	41.5
1999	39.3
2000	36.9
2001	34.3
2002	31.6
2003	28.9
2004	26.3
2005	23.9
2006	21.8
2007	20
2008	18.4
2009	17.1
2010	15.8
2011	14.7
2012	13.6
2013	12.7