Year	Years
1800	361
1801	361
1802	361
1803	361
1804	361
1805	361
1806	361
1807	361
1808	361
1809	361
1810	361
1811	361
1812	361
1813	361
1814	361
1815	361
1816	361
1817	361
1818	361
1819	361
1820	361
1821	361
1822	361
1823	361
1824	361
1825	361
1826	361
1827	361
1828	361
1829	361
1830	361
1831	361
1832	361
1833	361
1834	361
1835	361
1836	361
1837	361
1838	361
1839	361
1840	361
1841	361
1842	361
1843	361
1844	361
1845	361
1846	361
1847	361
1848	361
1849	361
1850	361
1851	361
1852	361
1853	361
1854	361
1855	361
1856	361
1857	361
1858	361
1859	361
1860	361
1861	361
1862	361
1863	361
1864	361
1865	361
1866	361
1867	361
1868	361
1869	361
1870	361
1871	361
1872	361
1873	361
1874	361
1875	361
1876	361
1877	361
1878	359.8
1879	358.6
1880	357.4
1881	356.3
1882	355.1
1883	354
1884	352.8
1885	350.5
1886	349.4
1887	348.2
1888	345.9
1889	344.8
1890	342.5
1891	341.4
1892	339.1
1893	336.9
1894	334.6
1895	333.4
1896	331.2
1897	328.9
1898	326.5
1899	324.1
1900	321.7
1901	319.2
1902	316.8
1903	314.2
1904	312.7
1905	310.1
1906	308.5
1907	305.8
1908	302.1
1909	299.3
1910	295.5
1911	291.8
1921	93.6
1922	117.2
1923	134.8
1924	145.6
1925	131.2
1926	105.2
1927	149.3
1928	138.4
1929	169.7
1930	147.4
1931	212.8
1932	192.2
1933	192.2
1934	171.6
1935	173.4
1936	175.3
1937	190.3
1938	147.4
1939	182.8
1940	145.6
1949	53.96
1950	44.11
1951	56.87
1952	62.78
1953	58.34
1954	63.2
1955	59.9
1956	59.7
1957	59.1
1958	58.3
1959	57.1
1960	55.8
1961	54.3
1962	52.7
1963	51.1
1964	49.4
1965	47.7
1966	46.2
1967	44.6
1968	42.7
1969	40.1
1970	37.5
1971	35.4
1972	34.1
1973	33.2
1974	32.4
1975	31.4
1976	30.1
1977	28.6
1978	26.8
1979	25.1
1980	23.4
1981	21.9
1982	20.6
1983	19.5
1984	18.4
1985	17.4
1986	16.4
1987	15.3
1988	14.3
1989	13.3
1990	12.5
1991	11.9
1992	11.4
1993	10.9
1994	10.5
1995	10.1
1996	9.7
1997	9.3
1998	8.8
1999	8.3
2000	7.8
2001	7.3
2002	6.8
2003	6.3
2004	5.9
2005	5.5
2006	5.2
2007	5
2008	4.9
2009	4.8
2010	4.7
2011	4.6
2012	4.5
2013	4.4