Year	Years
1800	322.4
1801	322.4
1802	322.4
1803	322.4
1804	322.4
1805	322.4
1806	322.4
1807	321.3
1808	321.3
1809	321.3
1810	321.3
1811	321.3
1812	321.3
1813	321.3
1814	321.3
1815	321.3
1816	321.3
1817	321.3
1818	321.3
1819	320.2
1820	320.2
1821	320.2
1822	320.2
1823	320.2
1824	320.2
1834	312.3
1835	271.6
1836	281.1
1837	300.8
1838	309
1839	300.8
1840	295.9
1841	275.4
1842	293.2
1843	274.9
1844	250.2
1845	261.5
1846	293.9
1847	304.5
1848	270.1
1849	291.6
1850	243.7
1851	258.5
1852	258.3
1853	254.1
1854	280.3
1855	308
1856	279
1857	283.3
1858	279.4
1859	292.3
1860	224
1861	273.4
1862	258.9
1863	280.1
1864	289.2
1865	317.5
1866	319.8
1867	258.3
1868	270.4
1869	264.5
1870	275
1871	340.5
1872	294.3
1873	252.1
1874	243.6
1875	272.8
1876	250.5
1877	240.4
1878	239.6
1879	246.3
1880	274.7
1881	241.8
1882	233.6
1883	235.4
1884	249
1885	230.3
1886	265.9
1887	231.6
1888	248.3
1889	251
1890	256.2
1891	255.4
1892	261.8
1893	255.4
1894	225.9
1895	246.8
1896	217
1897	210.8
1898	224
1899	240.2
1900	234.5
1901	204.1
1902	207.9
1903	212.8
1904	212.4
1905	202
1906	210.4
1907	188.6
1908	207
1909	195.9
1910	193.8
1911	218.2
1912	176.6
1913	179.4
1914	205.3
1915	196
1916	179.1
1917	224.1
1918	212.8
1919	183.2
1920	160.2
1921	157.5
1922	146.3
1923	130.1
1924	120.2
1925	129.5
1926	132
1927	125.8
1928	120.8
1929	140.3
1930	129.3
1931	109.9
1932	115.2
1933	112
1934	100.4
1935	102.5
1936	105.2
1937	102.9
1938	102.2
1939	100.1
1940	106.7
1941	103.6
1942	103.5
1943	97.67
1944	101.9
1945	118.2
1946	94.02
1947	77.85
1948	67.76
1949	63.74
1950	59.32
1951	55.94
1952	51.25
1953	51.2
1954	48.3
1955	45.5
1956	42.8
1957	40.1
1958	37.7
1959	35.6
1960	33.9
1961	32.4
1962	31.1
1963	30
1964	28.9
1965	27.9
1966	27
1967	26.2
1968	25.5
1969	24.8
1970	24
1971	23
1972	21.9
1973	20.8
1974	19.6
1975	18.6
1976	17.6
1977	16.7
1978	15.9
1979	15.2
1980	14.5
1981	13.9
1982	13.3
1983	12.7
1984	12.2
1985	11.8
1986	11.4
1987	11
1988	10.7
1989	10.3
1990	10
1991	9.6
1992	9.2
1993	8.7
1994	8.2
1995	7.6
1996	7.1
1997	6.7
1998	6.3
1999	6
2000	5.8
2001	5.6
2002	5.4
2003	5.2
2004	5.1
2005	5
2006	4.9
2007	4.8
2008	4.7
2009	4.6
2010	4.5
2011	4.5
2012	4.4
2013	4.4