Year	Years
1800	374
1801	374
1802	374
1803	374
1804	374
1805	374
1806	374
1807	374
1808	374
1809	374
1810	374
1811	374
1812	374
1813	374
1814	374
1815	374
1816	374
1817	374
1818	374
1819	374
1820	374
1821	374
1822	374
1823	374
1824	374
1825	374
1826	374
1827	374
1828	374
1829	374
1830	374
1831	374
1832	374
1833	374
1834	374
1835	374
1836	374
1837	374
1838	374
1839	374
1840	374
1841	374
1842	374
1843	374
1844	374
1845	374
1846	374
1847	374
1848	374
1849	374
1850	374
1851	374
1852	374
1853	374
1854	374
1855	374
1856	374
1857	374
1858	374
1859	374
1860	374
1861	374
1862	374
1863	374
1864	374
1865	374
1866	374
1867	374
1868	374
1869	374
1870	374
1871	374
1872	374
1873	374
1874	374
1875	374
1876	374
1877	374
1878	374
1879	374
1880	374
1881	374
1882	374
1883	374
1884	374
1885	374
1886	374
1887	374
1888	374
1889	374
1890	374
1891	374
1892	374
1893	374
1894	374
1895	374
1896	373.9
1897	373.8
1898	373.7
1899	373.5
1900	373.2
1901	372.9
1902	372.5
1903	372.1
1904	371.6
1905	371
1906	370.4
1907	369.7
1908	369
1909	368.2
1910	367.4
1911	366.5
1912	365.7
1913	364.8
1914	363.9
1915	363
1916	362.2
1917	361.3
1918	360.4
1919	359.5
1920	358.6
1921	357.8
1922	356.9
1923	356
1924	355.1
1925	354.3
1926	353.4
1927	352.5
1928	351.6
1929	350.8
1930	349.9
1931	349
1932	348.1
1933	330.8
1934	314.1
1935	297.8
1936	282.1
1937	265.9
1938	251.2
1939	236.9
1940	223
1941	209.5
1951	93.4
1952	92.6
1953	91.9
1954	91.1
1955	90.3
1956	89.5
1957	88.8
1958	87.9
1959	87.1
1960	86.3
1961	85.5
1962	84.7
1963	84
1964	83.2
1965	82.5
1966	81.7
1967	80.9
1968	80.1
1969	79.2
1970	78.2
1971	77.2
1972	76.1
1973	74.8
1974	73.5
1975	72
1976	70.6
1977	69.1
1978	67.5
1979	65.8
1980	64.1
1981	62.3
1982	60.5
1983	58.6
1984	56.7
1985	54.9
1986	53.1
1987	51.3
1988	49.6
1989	47.9
1990	46.2
1991	44.7
1992	43.1
1993	41.7
1994	40.3
1995	39
1996	37.8
1997	36.7
1998	35.6
1999	34.6
2000	33.5
2001	32.5
2002	31.5
2003	30.5
2004	29.4
2005	28.5
2006	27.6
2007	26.7
2008	25.8
2009	25
2010	24.2
2011	23.4
2012	22.7
2013	21.9
