Year	Years
1800	380
1801	380
1802	380
1803	380
1804	380
1805	380
1806	380
1807	380
1808	380
1809	380
1810	380
1811	380
1812	380
1813	380
1814	380
1815	380
1816	380
1817	380
1818	380
1819	380
1820	380
1821	380
1822	380
1823	380
1824	380
1825	380
1826	380
1827	380
1828	380
1829	380
1830	380
1831	380
1832	380
1833	380
1834	380
1835	380
1836	380
1837	380
1838	380
1839	380
1840	380
1841	380
1842	380
1843	380
1844	380
1845	380
1846	380
1847	380
1848	380
1849	380
1850	380
1851	380
1852	380
1853	380
1854	380
1855	380
1856	380
1857	380
1858	380
1859	380
1860	380
1861	380
1862	380
1863	380
1864	380
1865	380
1866	380
1867	380
1868	380
1869	380
1870	380
1871	380
1872	380
1873	380
1874	380
1875	380
1876	380
1877	380
1878	380
1879	380
1880	380
1881	380
1882	380
1883	380
1884	380
1885	380
1886	380
1887	380
1888	380
1889	380
1890	380
1891	380
1892	380
1893	380
1894	380
1895	369.2
1896	358.5
1897	349.2
1898	338.8
1899	328.6
1900	318.4
1901	313.8
1902	309.2
1903	304.6
1904	299.9
1905	295.3
1906	290.7
1907	286
1908	281.4
1909	276.7
1910	272.1
1911	265.6
1912	260.1
1913	253.6
1914	247.3
1915	242
1916	235.8
1917	230.7
1918	224.7
1919	218.8
1920	213.8
1921	208
1922	202.3
1923	197.6
1924	192.1
1925	187.4
1926	182
1927	176.7
1928	172.2
1929	167.1
1930	162
1931	158.5
1932	155
1933	151.6
1934	148.3
1935	144.9
1936	141.6
1937	137.7
1938	134.4
1939	130.6
1940	127.5
1950	88.5
1951	79.22
1952	61.81
1953	49.74
1954	42.62
1955	39.24
1956	36.14
1957	35.35
1958	33.16
1959	29.61
1960	28.4
1961	27.81
1962	30.08
1963	29.25
1964	27.57
1965	31.86
1966	29.73
1967	29.55
1968	29.16
1969	30.5
1970	28.2
1971	28.41
1972	27.06
1973	27.56
1974	26.7
1975	25.75
1976	25.26
1977	24.79
1978	22.84
1979	21.08
1980	21.6
1981	18.5
1982	18
1983	17.6
1984	17.3
1985	17
1986	16.7
1987	16.1
1988	15.5
1989	15.1
1990	14.6
1991	14
1992	13.2
1993	12.3
1994	11.2
1995	10.2
1996	9.2
1997	8.4
1998	7.6
1999	7
2000	6.6
2001	6.2
2002	6
2003	5.7
2004	5.5
2005	5.2
2006	5
2007	4.7
2008	4.5
2009	4.3
2010	4.1
2011	3.9
2012	3.8
2013	3.6