Year	Years
1800	380
1801	378.8
1802	377.6
1803	376.4
1804	375.2
1805	374
1806	372.8
1807	371.6
1808	370.4
1809	369.2
1810	368
1811	366.8
1812	366.8
1813	365.7
1814	364.5
1815	363.3
1816	362.1
1817	361
1818	359.8
1819	358.6
1820	357.4
1821	356.3
1822	355.1
1823	354
1824	352.8
1825	351.7
1835	299.3
1836	279.6
1837	252.1
1838	240.3
1839	267.1
1840	270.6
1841	254.6
1842	254.2
1843	232.2
1844	236
1845	249.2
1846	285.3
1847	280.7
1848	280.3
1849	276.9
1850	242.8
1851	239.9
1852	261.8
1853	278.6
1854	236.5
1855	192.7
1856	199.8
1857	241
1858	271.8
1859	225.7
1860	217.5
1861	188.2
1862	195
1863	195.5
1864	260.1
1865	266.8
1866	239.5
1867	221.8
1868	220.9
1869	208.1
1870	212.6
1871	199.6
1872	190.6
1873	188.8
1874	205.3
1875	226.4
1876	211.7
1877	198
1878	202.9
1879	207.3
1880	231.4
1881	187
1882	221.7
1883	189.7
1884	195
1885	176.2
1886	187.6
1887	196.3
1888	211.9
1889	203.9
1890	205.7
1891	206.7
1892	207
1893	221.2
1894	196.2
1895	183.8
1896	166.2
1897	168.5
1898	164.8
1899	192.9
1900	163.4
1901	170.6
1902	148.8
1903	146.7
1904	139.5
1905	150.7
1906	135.5
1907	136.2
1908	152.5
1909	123.6
1910	122.2
1911	129.6
1912	116
1913	113.9
1914	117.7
1915	112.2
1916	128.8
1917	122.7
1918	99.09
1919	116.5
1920	119.9
1921	91.28
1922	98.18
1923	101.4
1924	103.1
1925	94.53
1926	98.62
1927	98.83
1928	97.09
1929	93.39
1930	93.81
1931	94.5
1932	84.97
1933	78.21
1934	75.61
1935	87.19
1936	80.9
1937	77.48
1938	70.46
1939	66.8
1940	58.85
1941	64.58
1942	57.44
1943	54.22
1944	58.91
1945	58.19
1946	54.05
1947	45.8
1948	40.46
1949	38.73
1950	34
1951	33.4
1952	32.6
1953	31.6
1954	30.5
1955	29.3
1956	28.1
1957	27
1958	26.2
1959	25.6
1960	25
1961	24.4
1962	23.8
1963	23
1964	22.1
1965	21.1
1966	20
1967	19
1968	18.1
1969	17.4
1970	16.6
1971	15.7
1972	14.9
1973	13.9
1974	13.1
1975	12.3
1976	11.6
1977	11.1
1978	10.6
1979	10.3
1980	10
1981	9.7
1982	9.6
1983	9.6
1984	9.6
1985	9.6
1986	9.7
1987	9.7
1988	9.6
1989	9.3
1990	8.9
1991	8.4
1992	7.9
1993	7.4
1994	6.9
1995	6.5
1996	6.2
1997	6
1998	5.8
1999	5.7
2000	5.6
2001	5.5
2002	5.4
2003	5.3
2004	5.1
2005	4.9
2006	4.7
2007	4.5
2008	4.3
2009	4.2
2010	4
2011	3.8
2012	3.7
2013	3.5