Year	Years
1800	450.6
1801	450.6
1802	450.6
1803	450.6
1804	450.6
1805	450.6
1806	450.6
1807	450.6
1808	450.6
1809	450.6
1810	450.6
1811	450.6
1812	450.6
1813	450.6
1814	450.6
1815	450.6
1816	450.6
1817	450.6
1818	450.6
1819	450.6
1820	450.6
1821	450.6
1822	450.6
1823	450.6
1824	450.6
1825	450.6
1826	450.6
1827	450.6
1828	450.6
1829	450.6
1830	450.6
1831	450.6
1832	450.6
1833	450.6
1834	450.6
1835	450.6
1836	450.6
1837	450.6
1838	450.6
1839	450.6
1840	450.6
1841	450.6
1842	450.6
1843	450.6
1844	450.6
1845	450.6
1846	450.6
1847	450.6
1848	450.6
1858	284.4
1859	310.6
1860	282.7
1861	273.2
1862	284.4
1863	309
1864	325.3
1865	326.9
1866	300.8
1867	305.7
1868	344.7
1869	318.8
1870	330.1
1878	318.8
1879	310.6
1880	309
1881	307.3
1882	312.3
1883	331.8
1884	302.4
1885	312.3
1886	284.4
1887	323.6
1888	299.1
1900	331.8
1901	300.8
1902	292.6
1903	263.5
1904	281.1
1905	261.9
1906	282.7
1907	256.7
1908	288.3
1909	286.4
1910	299.2
1911	321.8
1912	261.1
1913	277.1
1914	267.3
1915	269.7
1916	255.2
1917	267.5
1918	345
1919	271.7
1920	314.2
1921	290
1922	257.6
1923	253.2
1924	234.3
1925	227.2
1926	217.8
1927	204.2
1928	214.7
1929	201.9
1930	215.7
1931	207.2
1932	190.3
1933	182.5
1934	177
1935	172.1
1936	169
1937	199.5
1938	183.3
1939	192.5
1940	207.8
1941	205.5
1942	163.5
1943	155.6
1944	136.1
1945	126.8
1946	122.2
1947	107.6
1948	98.77
1949	98.78
1950	115.3
1951	101.8
1952	91
1953	83.1
1954	78.2
1955	74.9
1956	71.9
1957	68.3
1958	64.3
1959	59.9
1960	55.6
1961	51.6
1962	48.2
1963	45.3
1964	42.9
1965	40.8
1966	38.8
1967	36.7
1968	34.4
1969	31.8
1970	29.2
1971	26.6
1972	24.4
1973	23.1
1974	23
1975	23.5
1976	23.6
1977	22.8
1978	21.3
1979	19.5
1980	17.8
1981	16.4
1982	15.4
1983	14.7
1984	14
1985	13.4
1986	12.8
1987	12.3
1988	11.9
1989	11.5
1990	11
1991	10.5
1992	10.1
1993	9.5
1994	8.9
1995	8.3
1996	7.7
1997	7.3
1998	7
1999	6.7
2000	6.5
2001	6.3
2002	6.2
2003	6.1
2004	5.9
2005	5.7
2006	5.5
2007	5.2
2008	5
2009	4.8
2010	4.6
2011	4.4
2012	4.3
2013	4.2