Year	Total
1801	0
1802	0
1803	0
1804	0
1805	0
1806	0
1807	0
1808	0
1809	0
1810	0
1811	0
1812	0
1813	0
1814	0
1815	0
1816	0
1817	0
1818	0
1819	0
1820	0
1821	0.978
1822	0.9778
1823	0.9778
1824	0.9779
1825	0.9779
1826	0.9779
1827	0.9777
1828	0.9779
1829	0.9778
1830	0.978
1831	0.9779
1832	0.9777
1833	0.9779
1834	0.9779
1835	0.9779
1836	0.9779
1837	0.9777
1838	0.978
1839	0.9778
1840	0.978
1841	0.9778
1842	0.9779
1843	0.9777
1844	0.978
1845	0.9778
1846	0.9779
1847	0.9779
1848	0.9778
1849	0.978
1850	0.9779
1851	0.9778
1852	0.9779
1853	0.9779
1854	0.9779
1855	0.9778
1856	0.9779
1857	0.9778
1858	0.978
1859	0.9779
1860	0.9779
1861	0.9779
1862	0.9779
1863	0.9779
1864	0.9778
1865	0.9779
1866	0.9778
1867	0.9779
1868	0.9778
1869	0.978
1870	0.9778
1871	1.45
1872	1.45
1873	1.45
1874	1.45
1875	1.45
1876	1.45
1877	1.45
1878	1.45
1879	1.45
1880	1.45
1881	1.45
1882	1.45
1883	1.45
1884	1.45
1885	1.45
1886	1.45
1887	1.45
1888	1.45
1889	1.45
1890	1.45
1891	1.45
1892	1.45
1893	1.45
1894	1.45
1895	1.45
1896	1.45
1897	1.45
1898	1.45
1899	1.45
1900	1.45
1901	1.45
1902	1.45
1903	1.45
1904	1.45
1905	1.45
1906	1.45
1907	1.45
1908	1.45
1909	1.45
1910	1.45
1911	1.45
1912	1.45
1913	1.45
1914	0.5493
1915	0.5494
1916	0.5493
1917	0.5494
1918	0.5493
1919	0.5493
1920	0.5493
1921	0.5493
1922	0.5493
1923	0.5493
1924	0.5494
1925	0.5493
1926	0.5493
1927	0.5493
1928	0.5493
1929	0.5493
1930	0.5494
1931	0.5493
1932	0.5494
1933	0.5493
1934	0.5493
1935	0.5494
1936	0.5493
1937	0.5493
1938	0.5493
1939	0.5493
1940	0.5493
1941	0.5493
1942	0.5493
1943	0.5493
1944	0.5493
1945	0.5493
1946	0.5493
1947	0.5493
1948	0.5493
1949	0.5493
1950	0.5493
1951	3.742
1952	3.651
1953	3.561
1954	3.478
1955	3.474
1956	3.315
1957	3.31
1958	3.327
1959	3.232
1960	3.277
1961	3.318
1962	3.294
1963	3.273
1964	3.372
1965	3.294
1966	3.363
1967	3.314
1968	3.356
1969	3.444
1970	3.549
1971	3.695
1972	3.787
1973	3.666
1974	3.291
1975	2.794
1976	4.148
1977	3.167
1978	2.813
1979	3.616
1980	3.862
1981	3.695
1982	3.149
1983	3.186
1984	3.416
1985	3.589
1986	2.998
1987	3.034
1988	3.083
1989	3.093
1990	3.09
1991	3.048
1992	5.29
1993	10.01
1994	5.997
1995	5.004
1996	2.166
1997	4.885
1998	2.537
1999	7.148
2000	5.009
2001	4.882
2002	4.937
2003	4.826
2004	5.41
2005	6.13
2006	8.645
2007	7.843
2008	7.785
2009	7.502
2010	8.131
2011	8.039
2012	7.299
2013	7.598