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	0.8921
1822	0.8889
1823	0.8857
1824	0.912
1825	0.8793
1826	0.9053
1827	0.8731
1828	0.8988
1829	0.8956
1830	0.8924
1831	0.8892
1832	0.886
1833	0.9108
1834	0.8796
1835	0.9042
1836	0.9009
1837	0.8703
1838	0.8945
1839	0.8912
1840	0.9149
1841	0.8848
1842	0.8817
1843	0.905
1844	0.8754
1845	0.8985
1846	0.8952
1847	0.892
1848	0.8888
1849	0.9111
1850	0.8824
1851	0.9045
1852	0.8761
1853	0.898
1854	0.8948
1855	0.8916
1856	0.8884
1857	0.8852
1858	0.9063
1859	0.8789
1860	0.8998
1861	0.8965
1862	0.8933
1863	0.8901
1864	0.8869
1865	0.9071
1866	0.8806
1867	0.9005
1868	0.8972
1869	0.894
1870	0.8908
1871	0.8876
1872	0.8845
1873	0.9036
1874	0.8782
1875	0.8971
1876	0.8939
1877	0.8907
1878	0.9092
1879	0.8843
1880	0.8812
1881	0.8994
1882	0.8961
1883	0.8929
1884	0.8897
1885	0.8865
1886	0.9041
1887	0.8802
1888	0.8976
1889	0.8943
1890	0.8911
1891	0.8879
1892	0.9048
1893	0.8816
1894	0.8983
1895	0.895
1896	0.8918
1897	0.8886
1898	0.9048
1899	0.8822
1900	0.8982
1901	0.895
1902	0.8918
1903	0.8886
1904	0.8854
1905	0.9009
1906	0.8976
1907	0.8944
1908	0.8911
1909	0.888
1910	0.8848
1911	0.8997
1912	0.8964
1913	0.8932
1914	4.705
1915	4.702
1916	4.717
1917	4.695
1918	4.71
1919	4.707
1920	4.721
1921	4.7
1922	4.714
1923	4.711
1924	4.708
1925	4.704
1926	4.701
1927	4.715
1928	4.711
1929	4.708
1930	4.705
1931	4.701
1932	4.715
1933	4.711
1934	4.708
1935	4.705
1936	4.701
1937	4.714
1938	4.711
1939	4.708
1940	4.704
1941	4.701
1942	4.713
1943	4.71
1944	4.707
1945	4.703
1946	4.715
1947	4.697
1948	4.709
1949	4.72
1950	4.702
1951	2.802
1952	3.401
1953	4.237
1954	5.164
1955	6.001
1956	6.568
1957	6.76
1958	6.57
1959	6.012
1960	5.141
1961	4.218
1962	3.47
1963	3.115
1964	3.317
1965	3.881
1966	4.517
1967	4.969
1968	5.221
1969	5.188
1970	4.971
1971	4.995
1972	5.094
1973	4.82
1974	2.755
1975	1.895
1976	0.7488
1977	0.04582
1978	0.8318
1979	3.556
1980	7.39
1981	11.12
1982	13.37
1983	13.85
1984	12.78
1985	11.11
1986	9.552
1987	8.448
1988	7.633
1989	7.14
1990	6.826
1991	8.013
1992	7.584
1993	7.207
1994	6.891
1995	6.586
1996	6.341
1997	6.027
1998	5.488
1999	4.67
2000	3.704
2001	2.764
2002	5.775
2003	5.019
2004	4.387
2005	3.879
2006	2.456