Year	Years
1800	433.1
1801	433.1
1802	433.1
1803	433.1
1804	433.1
1805	433.1
1806	433.1
1807	433.1
1808	433.1
1809	433.1
1810	433.1
1811	433.1
1812	433.1
1813	433.1
1814	433.1
1815	433.1
1816	433.1
1817	433.1
1818	433.1
1819	433.1
1820	433.1
1821	433.1
1822	433.1
1823	433.1
1824	433.1
1825	433.1
1826	433.1
1827	433.1
1828	433.1
1829	433.1
1830	433.1
1831	433.1
1832	433.1
1833	433.1
1834	433.1
1835	433.1
1836	433.1
1837	433.1
1838	433.1
1839	433.1
1840	433.1
1841	433.1
1842	433.1
1843	433.1
1844	433.1
1845	433.1
1846	433.1
1847	433.1
1848	433.1
1849	433.1
1850	433.1
1851	433.1
1852	433.1
1853	433.1
1854	433.1
1855	433.1
1856	433.1
1857	433.1
1858	433.1
1859	433.1
1860	433.1
1861	433.1
1862	433.1
1863	433.1
1864	433.1
1865	433.1
1866	433.1
1867	433.1
1868	433.1
1869	433.1
1870	433.1
1871	433.1
1872	433.1
1873	433.1
1874	433.1
1875	433.1
1876	433.1
1877	433.1
1878	433.1
1879	433.1
1880	433.1
1881	433.1
1882	433.1
1883	433.1
1884	433.1
1885	433.1
1886	433.1
1887	433.1
1888	433.1
1889	433.1
1890	433.1
1891	433.1
1892	433.1
1893	433.1
1894	433.1
1895	433.1
1896	433
1897	432.9
1898	432.7
1899	432.5
1900	432.2
1901	431.8
1902	431.4
1903	430.9
1904	430.3
1905	429.6
1906	428.9
1907	428.2
1908	427.3
1909	426.4
1910	425.5
1911	424.5
1912	423.5
1913	422.4
1914	421.4
1915	420.4
1916	419.4
1917	418.4
1918	417.4
1919	416.4
1920	415.3
1921	414.3
1922	413.3
1923	412.3
1924	411.3
1925	410.3
1926	409.2
1927	408.2
1928	407.2
1929	406.2
1930	405.2
1931	404.2
1932	403.1
1933	402.1
1934	401.1
1935	400.1
1936	399.1
1937	398.1
1938	397.1
1939	396
1940	395
1941	367
1942	340.4
1943	316.2
1944	292
1945	268.9
1946	246.9
1947	225.9
1948	206.6
1949	187.3
1950	168.8
1960	138.4
1968	63.7
1969	70
1970	65.5
1971	61.3
1972	57.3
1973	53.6
1974	50.3
1975	47.3
1976	44.6
1977	42.2
1978	40
1979	37.9
1980	36.1
1981	34.3
1982	32.7
1983	31.2
1984	29.6
1985	28.1
1986	26.6
1987	25.1
1988	23.6
1989	22.2
1990	20.8
1991	19.5
1992	18.2
1993	17.1
1994	16.1
1995	15.3
1996	14.6
1997	14
1998	13.4
1999	12.9
2000	12.4
2001	11.9
2002	11.5
2003	11.1
2004	10.7
2005	10.4
2006	10.1
2007	9.8
2008	9.5
2009	9.2
2010	9
2011	8.7
2012	8.4
2013	8.2