Year	Years
1800	329
1801	329
1802	329
1803	329
1804	329
1805	329
1806	329
1807	329
1808	329
1809	329
1810	329
1811	329
1812	329
1813	329
1814	329
1815	329
1816	329
1817	329
1818	329
1819	329
1820	329
1821	329
1822	329
1823	329
1824	329
1825	329
1826	329
1827	329
1828	329
1829	329
1830	329
1831	329
1832	329
1833	329
1834	329
1835	329
1836	329
1837	329
1838	329
1839	329
1840	329
1841	329
1842	329
1843	329
1844	329
1845	329
1846	329
1847	329
1848	329
1849	329
1850	329
1851	329
1852	329
1853	329
1854	329
1855	329
1856	329
1857	329
1858	329
1859	329
1860	329
1861	329
1862	329
1863	329
1864	329
1865	329
1866	329
1867	329
1868	329
1869	329
1870	329
1871	329
1872	329
1873	329
1874	329
1875	329
1876	329
1877	329
1878	329
1879	329
1880	329
1881	322.4
1882	315.9
1883	309.4
1884	304.1
1885	297.7
1886	291.4
1887	285.2
1888	279.1
1889	274
1890	268
1891	264
1892	260
1893	257.1
1894	253.2
1895	249.3
1896	246.4
1897	242.5
1898	238.6
1899	234.7
1900	231.7
1901	227.8
1902	216.6
1903	215.4
1904	224.2
1905	217.5
1906	219
1907	217.7
1908	202.2
1909	193.9
1910	202.2
1911	187.9
1912	181.6
1913	186.2
1914	176.6
1915	172.1
1916	179
1917	180.2
1918	239.3
1919	168.8
1920	167.6
1921	145.5
1922	145.9
1923	150.1
1933	73.14
1934	79.74
1935	75.35
1936	75.98
1937	73.63
1938	69.58
1939	62.93
1940	61.91
1941	60.39
1942	54.77
1943	53.73
1944	50.35
1945	48.26
1946	46.68
1947	42.83
1948	39.76
1949	39.69
1950	37.7
1951	36.7
1952	35.7
1953	34.7
1954	33.8
1955	33
1956	32.3
1957	31.7
1958	31.2
1959	30.6
1960	30.1
1961	29.5
1962	28.9
1963	28.3
1964	27.7
1965	27.1
1966	26.4
1967	25.7
1968	24.9
1969	24.1
1970	23.3
1971	22.4
1972	21.5
1973	20.6
1974	19.7
1975	18.8
1976	17.9
1977	17.1
1978	16.3
1979	15.6
1980	15
1981	14.4
1982	13.9
1983	13.4
1984	13
1985	12.7
1986	12.4
1987	12.1
1988	11.9
1989	11.6
1990	11.2
1991	10.9
1992	10.5
1993	10.1
1994	9.8
1995	9.5
1996	9.2
1997	8.9
1998	8.7
1999	8.6
2000	8.4
2001	8.3
2002	8.2
2003	8.1
2004	8.1
2005	8
2006	7.9
2007	7.8
2008	7.7
2009	7.5
2010	7.4
2011	7.2
2012	7.1
2013	6.9