1901,5.1,3.8,5.6,11.2,15.8,15.9,19.9,18.2,15.8,11.7,7.3,5.5
1902,6.1,3.1,8.5,10.1,11.2,14.8,16.3,16.7,15.7,11.3,8.6,5.9
1903,5.6,8.1,8.1,8.8,13.7,14.9,16.7,16,15.1,11.6,8.4,4.5
1904,6.1,4.5,5.8,10.7,12.9,15.6,18.4,17.3,15.4,12,8,6.5
1905,5.8,6.6,8.6,9.3,14,16.3,18.9,16.4,14.5,9.5,6.9,7.1
1906,7,5.1,7,10.7,12.2,16.8,17.5,19,17.1,12.5,8.9,5
1907,5.4,4.3,9.2,9.7,12.6,13.2,16.6,16.1,16.9,11.3,8.6,6.6
1908,5,7,6.3,8.8,14.6,17,17.6,17.5,15,14.5,9.8,6.7
1909,5.1,5.5,5.3,12.4,14.8,14.5,16.3,18.4,14.4,11.8,6.9,5.6
1910,5.5,6.8,8.4,9,14.2,16,15.9,16.8,15.2,12.1,6.4,7.6
1911,5.4,6.2,6.5,9.3,16.1,16.9,21,20.5,16.8,11.5,7.6,7.8
1912,5.7,6.6,8.4,12.7,14.2,15.2,17.8,14.2,13.4,11.4,7.8,8.4
1913,5.9,6.3,7.6,9.7,13.7,15.7,17,18.6,16.2,12.9,10.2,6.6
1914,4.7,8.1,7.7,12.6,13.9,17.1,17.4,18.5,16.6,12.4,8.8,6.5
1915,5.1,5.8,7.3,10.7,14.7,17,16.2,17.6,16.2,11.5,5.5,6.9
1916,8.9,5.5,4.7,10.8,14,13.8,17.4,18.9,15.6,12.2,8.5,4.7
1917,2.6,3.4,5.5,7.9,15.3,16.7,18.2,16.9,15.7,10.1,9.8,4.5
1918,5.4,7.6,7.9,9.5,15.4,15.8,18,18.1,13.8,11,7.8,8.2
1919,4.7,4.3,5.9,10,16.3,16.4,16.7,19,15.7,10.8,5,7.5
1920,6.7,8,8.7,9.8,14.3,16.4,15.6,16.1,15.7,13.4,9.5,5.7
1921,8.4,6.7,8.8,11.8,14.5,18.5,21.2,17,17.1,15.2,8.3,8.2
1922,5.6,6.6,7.1,8.8,15.3,16.3,15.2,15.1,14.5,11.1,7.9,7.1
1923,7.2,7,8.5,9.7,11.9,14.6,19,17.1,14.6,11.2,5.5,5.9
1924,6.2,5,7.1,9.6,13.4,15.6,16.7,15.9,14.8,12.4,8.5,8.6
1925,7.5,6.5,7.1,10.1,13.1,18.5,18.6,17.9,14,13,5.7,5
1926,6.8,7.8,8,11.6,13,15.7,19.2,19.1,17.1,11.2,8.1,5.9
1927,6.3,6.1,8.5,9.7,14.7,14.6,17.6,17.4,14.1,12.5,7.9,3.8
1928,7.2,7.8,7.5,10.8,14.3,14.7,17.7,17.3,15.7,12.2,9.4,6
1929,2.9,3.1,8.1,9.4,14,15.4,18.2,17,18.2,11.4,8.8,7.5
1930,6.8,3.6,7.2,10.3,13.5,17.6,16.7,17.5,15.9,12.2,8.3,6.1
1931,5,5.3,6.6,9.2,12.9,15,16.2,16.4,13.3,11.2,9.4,6.9
1932,7.7,4.8,6.9,8.3,11.8,16.1,16.5,18.2,14.8,10,8.1,6.8
1933,4.2,5.1,9.5,10.3,14.1,16.9,18.7,19.5,17.6,11.8,7.4,3.5
1934,6.1,5.2,6.7,9.1,13.2,17,20.1,16.9,16,11.4,7.4,9
1935,5.8,6.3,7.9,9.8,12.7,15.6,18.3,18.1,15.4,10.7,8.2,4.8
1936,5.6,4.6,8.4,8.1,14.1,16.2,16.3,17.6,16.4,11.3,7.7,7.1
1937,6.9,6.6,5.3,11.4,14.3,15.4,17.3,18.6,15.3,12.5,7.9,4.7
1938,7.1,6.1,10.2,10.1,12.4,14.8,15.8,17.6,15.4,12,10.2,6.2
1939,5.6,6.8,7.8,10.5,13.8,16.3,16.1,17.9,15.7,10.5,10.1,5.1
1940,2.5,5.1,7.3,10.2,14.7,18.3,16.3,17.6,14.8,11.8,8.4,5.7
1941,2.5,4.6,7.2,8.4,11.5,16.1,18.3,17,17,12.8,9.2,7.2
1942,4.2,2.7,8,12.3,13.5,16.3,17.2,18,15.8,12,7.4,8.3
1943,7.2,7.3,9.3,12.3,14.5,15.8,18.7,17.3,15.3,13.1,8.6,6.4
1944,7.6,5,7.7,12.3,13.8,16,17.5,19.7,14.9,11.1,8,6
1945,3.1,7.7,8.9,12.4,14.5,15.9,18,18.7,16.6,14.8,9.4,7.8
1946,5.9,7,7.7,11.6,14.8,14.3,17.4,16.3,15.1,12.7,9.8,6.1
1947,4.8,0.6,5.7,9.9,15.3,16.6,18.1,22,17.1,14,9.2,7
1948,6.6,6.1,11.2,11.4,15.4,15.4,17.1,16.4,15,12.4,10.1,7.6
1949,7,7,8.1,11,14.1,17.7,19.4,19,18.9,13.7,8.8,7.9
1950,6.3,6.5,9.8,9.5,15.3,17.5,17.3,17.1,14.5,11.6,8,3.3
1951,5.5,5.2,5.9,9.1,12.7,16.1,17.7,16.5,15.7,12.3,9.9,7.8
1952,4.9,5.5,8.1,11.6,15.7,15.8,18.3,17.8,13.4,11.1,6.5,5.6
1953,5,5.6,8.3,10,15.5,16.2,17.2,18.1,16,12.1,9.8,9.3
1954,5,4.9,8.1,10.5,13.9,14.4,15.2,15.9,14.6,13,9.2,7.7
1955,4.6,3.1,5.7,11.3,12.4,15.4,20.6,20.7,16.2,11.6,9.2,7.9
1956,5.8,2.2,9.2,9.8,14.2,15,17.2,15.6,15.9,11.6,8.3,7.4
1957,6.9,7,10.8,11.3,13.7,17.6,17.7,17.7,14.4,12.8,8,6.9
1958,5.5,6.7,6.2,9.8,13,15.2,17,16.8,16.8,12.2,8.7,6.8
1959,4.4,6.4,9.1,11.1,16,17.5,19.6,19.5,18.2,14.6,8.8,7.8
1960,6.9,5.6,8.8,11.2,15.7,18.1,16.7,17,15.1,12.1,9.1,5.8
1961,5.6,8.4,10.3,11.6,14.4,16.4,17.3,17,17.3,12.5,7.9,4.9
1962,6.2,5.8,5.7,10.1,12.3,15.9,16.8,15.8,14.4,12.9,7.7,5.1
1963,1,2.2,7.9,10.3,12.6,16.8,17,16.2,14.8,12.5,9.8,4.5
1964,5.3,5.9,6.4,10.1,15.1,15.2,16.9,17.5,16.7,11.5,9.2,6.3
1965,5.1,4.8,7.7,10.3,13.5,15.9,15.8,17,14,13,6.5,7
1966,4.1,6.6,8,9.1,13.6,17,16.7,17.1,16.3,12.2,7.6,7.5
1967,6.1,6.7,7.9,10.2,12.3,16.7,18.1,17.2,14.9,11.9,7.9,6.4
1968,6.4,3.7,8.1,10.2,12,16.9,17.6,17.8,15.8,14.1,8.1,5.4
1969,6.7,3,5.5,10.4,13.1,17,18,17.9,16.1,14.7,7.7,5.8
1970,6.1,4.8,5.8,8.4,14.7,18.6,16.1,18.1,16.1,12.2,9.7,5.9
1971,6.2,6.7,6.7,10.4,14.9,14.6,20.2,17.5,17.7,14,8.9,7.9
1972,5.4,6.1,9.1,10.2,12.4,13.1,17.6,17.6,15.1,12.7,8.4,8.2
1973,6,6,9.4,10.1,13.9,16.8,17.7,18.9,16.6,11.6,8.9,7.3
1974,8,7.6,8,11.7,13.2,15.8,15.9,17.3,13.6,9.6,8.3,8.8
1975,8,6.6,6.6,10,13.5,18.1,19.2,20.8,15.7,12.8,8.5,7.1
1976,6.9,5.9,6.9,10.7,13.5,19,20.8,21.2,15.7,12.2,8.8,4.2
1977,4.5,7,8.6,8.9,14.1,15,18.1,18.3,14.7,13.6,7.9,7.5
1978,5.3,4,8.1,8.7,14.8,15,15.9,16.5,15.6,13.7,10.5,6.3
1979,3.3,2.9,6.4,9.8,11.6,15.8,17.9,16.6,15.9,13.2,8.9,7.5
1980,4.3,7.4,6.4,11.9,14.9,14.7,16.6,17.3,15.9,11.1,7.5,7.5
1981,6.5,4.8,8.8,10.5,13.2,14.2,16.4,18.7,16.7,10.2,9.2,3.5
1982,4.4,6.7,8.1,11.3,14.5,17.6,18.6,17.2,16.9,12.3,9.3,6.4
1983,7.6,3.3,7.8,9.2,12.1,16,22.2,20.5,15,12,8.8,7.9
1984,5.7,5.7,6.1,11.7,13.7,16.9,20.1,20.6,15.2,13.1,8.8,7.4
1985,3.1,4.2,6.7,10,13.5,14.9,17.3,15.5,16.3,12.5,6.3,7.7
1986,5.3,0.6,6.6,7.5,12.1,17.1,16.5,15.2,13.7,12.4,9.7,7.9
1987,2.6,5.2,5.7,12.1,13,14.3,17.8,17.5,15.3,11.3,8.1,6.2
1988,6.8,6.6,7.5,10.9,14.7,17.4,15.5,16.8,15,12.4,8.1,8.6
1989,7.9,7.6,9.2,9,16.3,17.5,20.5,18.5,16.6,13.1,8.5,6.2
1990,7.9,8.6,9.5,10.6,16.5,15.3,20.1,19.8,15.2,13.2,8,6.1
1991,5,4.2,9,10.1,13.6,13.6,18.4,19,17.7,11.5,8.7,6.6
1992,5.4,7.4,8.8,10.6,16.3,19.1,17.8,16.8,14.8,9.8,9.3,5.7
1993,7.9,6.3,8.2,10.9,14.3,16.9,16.5,16.9,14.6,10,7,7.3
1994,6.8,5,8.3,9.8,13.1,15.8,19.3,17.5,14,12.5,11.1,8.6
1995,7.1,7.8,7.8,11.1,14.4,17.3,20.5,22.5,15.8,14.9,10.1,4.3
1996,5.2,4.9,6.6,10.2,11.9,16.5,18.4,18.7,16.6,13.2,8.3,4.9
1997,4.2,8.1,9.7,12,15,16,18.4,19.9,16.2,12.6,10.1,7.7
1998,6.6,8.2,9,9.6,15.7,15.5,16.7,18.2,16.3,12,8,7.3
1999,6.9,6.5,8.2,11.1,14.9,15.7,19.5,18.5,17.5,12.6,9.1,6.5
2000,6.3,7.3,9.1,9.8,15.1,16.1,17.8,18.7,16.5,11.6,8.2,6.6
2001,5.3,6.3,7.3,9.7,15.2,16.2,17.9,17.6,15.4,14.2,9.3,5.6
2002,7.2,8,8.8,11.2,14,15.3,16.8,17.8,16.4,11.9,10.1,6.5
2003,5.6,6.2,9.7,12.4,13.8,17.4,18.8,20.2,16.8,11.4,9.9,6.8
2004,6.5,6,8,10.9,14.4,17.1,17.3,19.2,16.8,12,9.2,7
2005,7.4,5.4,8.7,10.9,13.7,17,18.3,18.5,17.2,13.8,8.3,6.4
2006,5.4,5.1,6.6,10.5,14,17.8,21.1,18.3,18,14.5,10.5,7.8
2007,7.7,7.7,9.3,14.7,15,17.1,17,17.8,16.4,12.9,9.8,7.1
2008,7.9,8.1,8.3,10.6,16.2,16.4,18.3,16.8,15.7,12.2,8.4,5.6
2009,4.7,5.6,9.2,11.7,14.8,18,17.6,17.9,16.3,13.3,9.6,5.4
