1901,4.2,3.4,4.1,7,10.9,11.9,14.8,13.7,12.5,8.4,6,4
1902,4.6,3,5.9,7.1,8,12.2,12.9,13.2,12.3,9.2,6.6,4.7
1903,3.6,5.9,5.2,6.3,9.4,12.2,13.7,12.9,11.9,8.6,6.1,3.5
1904,3.7,3.2,4,6.9,9.1,12.3,13.8,13.2,11.4,8.9,5.9,4.8
1905,4.7,4.3,5.3,6.8,9.7,13,14.4,12.9,11,7.3,4.9,5.8
1906,5,3.2,4.9,6.5,8.4,12.6,13.6,14.5,12.6,9.1,6.5,4
1907,4.3,3.4,6.4,6.7,8.9,10.7,13.4,12.7,12.7,8.3,5.9,4.3
1908,3.6,5.3,4.4,6.2,10.4,12.1,13.9,13.3,11.4,11.5,7.6,5.2
1909,4.8,4.6,3.8,7.7,10,11.5,13.1,13.8,11.3,9,4.7,3.8
1910,3.7,3.9,5.9,6.1,9.6,12.6,13.2,13.7,11.5,9.9,4.2,5.3
1911,4.3,4.6,5,6.8,10.8,12.5,14.5,15.2,11.8,9,5.2,4.9
1912,4,4.3,5.9,8.2,10.2,11.8,13.2,11.3,10.6,8.2,6,5.5
1913,3.8,4.6,4.9,7,9.3,11.7,13.2,13.8,12.3,9.5,6.7,4.8
1914,3.9,4.9,5.2,8.7,9.1,12.1,13.8,14.2,12.3,9.6,6,3.3
1915,3.6,3.2,4.9,7.4,9.9,12.8,13.4,13.8,12.7,9.4,4.1,4.2
1916,6,3.3,3.2,6.8,9.2,10.9,13.6,15.1,12.6,9.6,6.1,3.2
1917,2.2,2.9,4.2,4.9,10.1,12.1,14.8,14.1,12.1,6.9,6.9,3.5
1918,3.6,5.8,5.5,6.9,10.7,12.1,13.6,13.9,10,8,5.7,6.2
1919,3.5,3.3,3.2,6.6,11.5,11.7,12.8,13.7,11.2,8.8,2.4,4.9
1920,4.2,5.5,5.4,6.4,9.5,12.3,12.5,12.6,11.7,10.3,7.4,4.1
1921,6,5.3,6,8,9.4,12.5,15.5,13.1,12.3,11.5,7.1,7.1
1922,4.8,5.4,5.5,5.2,9.9,11.7,12,12.2,11.1,8.7,6.4,5.3
1923,5.8,5.4,6.3,6.8,8.1,11.1,14.5,13.4,10.9,8.6,3.7,5
1924,5,4.5,4.9,6.2,9.3,11.9,13.5,13,11.2,9.2,6.8,6.3
1925,5.3,4.1,5.2,6.6,9,12.5,13.6,13.6,10.7,9.8,4.9,4.1
1926,5.2,6.2,6.3,9,9.2,12.2,15.4,14.9,12.7,8,5.3,4.7
1927,4.5,5.3,6.5,7,9.7,10.8,14,13.9,11.2,9.9,6.1,3.5
1928,5,5.8,5.4,7.2,10.1,11.3,13.4,13.6,11.6,9.8,6.7,4.8
1929,3.3,4.1,7.4,7.2,10.1,11.8,14,13.6,13.3,8.8,6.2,4.8
1930,3.8,2.5,5,7.2,9.8,12.8,13.5,13.3,12.1,9.5,5.7,5.1
1931,4.4,4.5,5.5,7.6,10.1,12.5,13.6,13.5,11.4,9.3,7,6.4
1932,6.3,4.7,5.8,6.6,9.8,13.2,14.2,15,11.9,8.4,6.5,5.5
1933,3.3,4.3,6.9,8.6,10.7,13.2,15.4,15,13.3,9.8,5.8,4
1934,5.2,5,5.1,6.6,9.4,13.3,15.9,13.6,12,9,6,6.8
1935,5,5.2,6.6,7.2,9.9,12.4,14.5,14.4,12.1,8.7,5.1,3.4
1936,3.4,3.9,6.3,6.8,10.2,12.6,14,14.8,13.3,10,5.9,5.4
1937,4.5,4.7,3.6,8.5,10.6,12.1,13.9,14.9,12.2,9,6.3,4.1
1938,5.2,5.1,8,8,9.7,12,13,13.8,12.3,9.6,7.6,4.1
1939,3.6,5.8,5.9,7.8,10.4,12.9,13.4,14.3,12.6,8.2,7.2,4
1940,2.6,4.7,6,8,11,15.2,13,14.1,11.4,8.9,6.3,4.7
1941,1.7,3.4,4.8,6.2,8.6,12.8,13.9,13.2,13.6,10.1,6.1,6.1
1942,4.2,3.3,6.2,8.7,10,12.3,13.8,14.4,11.8,8.8,5.2,6.6
1943,5.2,6.3,7.1,9.1,10.1,12.5,14.3,13.5,11.6,9.8,6.7,5
1944,6.2,4.6,5.9,9.2,10,12,14.5,14.8,11.4,8.7,6,4.8
1945,2.1,6.6,8.2,9.5,10.4,12.5,14.6,14.8,13.4,11,7.8,6.3
1946,4.5,5.6,6,8.4,10.3,11.7,13.8,13,12.4,9.8,7.1,4
1947,3.5,0.5,4,7.5,10.5,12.7,13.9,16.3,12.9,10.7,6.9,5.2
1948,4.3,5,8.7,7.9,10.1,11.9,13.6,13.7,12,9.5,8.2,5.7
1949,5.5,5.8,6.4,8.5,9.4,13.1,14.9,14.5,13.7,10.5,6.6,5.3
1950,5.2,4.2,7.3,7,10.5,13.5,14.4,13.6,11.2,8.9,5.1,2.5
1951,3.7,3,4.2,6.3,8.7,12.3,14.3,13.3,12.1,9.8,7,5.2
1952,3,4.7,6.6,8.2,10.8,12,14.5,14.1,10.5,9,5.4,4.5
1953,4.7,5.4,6.1,6.5,11,12.1,13.8,14,12.9,9.5,7.3,7
1954,4.2,3.9,6,7.8,10.1,12,12.7,13.1,11,10.1,5.9,6.1
1955,3.2,2.1,4,8.9,9.3,12.5,15.3,16,13.3,8.9,7.2,5.8
1956,4.1,2.8,7.1,7.4,10.5,11.7,13.8,12.6,12.6,9.4,6.8,5.8
1957,4.9,4.5,8.6,8.3,10.2,13.3,14.1,13.9,11.6,9.8,6.3,5.1
1958,4.2,5,4.5,7.7,9.1,12.2,13.9,14.3,13.5,10.1,7.4,4.5
1959,3.1,6,6.9,8,10.9,13.4,14.7,14.9,13.6,11.7,6.4,5.3
1960,4.4,3.6,6.8,8.4,11.6,13.9,14,13.7,11.9,9.2,6.2,4
1961,3.7,6.7,8.3,8.6,10.1,12.3,12.9,13.4,12.3,9.2,5.9,2.8
1962,4.3,5.1,3.7,7.4,9.5,12,13.6,13,11.1,10.1,5.9,4.5
1963,1.7,1.7,6.1,7.6,9,13.2,13.5,12.8,11.4,10.3,6.5,3.7
1964,5.2,4.8,5.5,8,11.1,12.2,13.8,13.5,12.6,9,7.2,4.4
1965,3.3,3.6,5.6,7.7,10.3,12.5,12.8,13.4,10.6,10.2,4.4,4.5
1966,3.6,5.3,6.7,6.8,9.9,13.3,13.7,13.4,12.8,8.5,5.2,5.5
1967,4.9,4.9,6,7.8,8.5,12.5,13.9,13.5,11.9,8.6,5.7,5.1
1968,5.1,2.4,5.8,7.3,8.6,12.7,13.2,14.1,12.4,11.4,6.4,4.2
1969,4.5,1.9,4.1,7.3,9.6,12.5,14.3,14.2,12.3,11.9,4.8,4.7
1970,4.2,3.2,4.7,6.6,10.8,14.2,13,13.8,12.4,10.2,6.5,4.6
1971,5.2,5.3,5.8,7.5,10.1,11.5,14.4,13.7,13.6,11.1,6.9,6.8
1972,3.4,4.3,5.3,7.6,9.2,10.3,13.5,12.8,10.9,10.3,5.7,5.6
1973,5.3,4.9,6,6.8,9.8,12.4,13.7,14.4,12.6,9.1,6.7,5.3
1974,5.5,5.2,5.5,8.3,9.9,12.2,13.4,13.6,10.4,7.9,5.4,6.9
1975,5.7,5.6,4.9,7.7,9.1,12.7,15,15.3,11.5,10.3,6.5,5.6
1976,5.6,4.9,5.8,8.1,9.9,13.7,15.4,15.5,12.1,8.6,6.1,2.4
1977,3.2,4.3,6.7,6.9,9.7,11.3,14.5,14,11.6,10.9,5.1,5.9
1978,3.7,3.4,5.8,6.6,10.4,11.9,13.3,13.6,12.9,11.1,7.9,4.3
1979,1.9,2.7,4,6.6,7.9,12.2,14,13,11.8,10,6.8,4.8
1980,3.2,5.2,4.7,8.1,10.4,12.2,13.2,14.1,12.9,8.5,6.4,5.8
1981,6,4.4,6.9,8.3,9.8,12,13.3,14.7,12.9,7.2,7.5,2.4
1982,4.1,5.3,5.8,8.4,10.3,13.4,14.7,13.8,11.9,9.3,6.4,4.5
1983,6,3.4,6.8,6,9.2,12.4,16.1,15.7,12.2,9.6,7.7,6.5
1984,3.4,5.2,4.7,8.7,9.4,12.5,14.9,15.5,12.1,9.6,5.8,5.4
1985,1.4,4.2,5.1,8.2,9.3,11.6,13.9,12.7,12.9,10,4.4,5.9
1986,3.9,0.8,5.3,5.6,9.3,12.8,13.6,11.9,10.8,9.9,6.8,5.4
1987,3,4.3,5,8.8,9.6,11.5,14.5,14.3,11.9,8.1,6.7,5.7
1988,4.4,4.7,6.6,8.5,10.3,13.1,13.1,13.5,11.8,9.5,6.1,7.7
1989,7.1,5.6,6.1,6.1,10.9,12.5,15.7,14.5,12.1,10.5,6.4,3.7
1990,5.7,5.4,7.8,7.5,11.7,12.2,15.2,14.9,11.5,10.2,6.5,4.5
1991,3.6,3.4,7.2,7.8,10.3,11.7,15.5,15.3,13.3,9,6.4,5.8
1992,5.1,6.1,7,8,11.7,13.7,14.8,13.2,10.8,7.7,6.7,4.3
1993,5.4,6.5,6.5,8.7,10,12.9,13.6,13.1,11.7,7.8,5.7,4.8
1994,4.6,3.8,6.3,7.2,9.8,12.1,14.7,13.8,11.6,10.1,8.9,5.9
1995,4.7,5.6,5.1,8.3,10.1,13.2,16.1,16.1,12.7,11.4,7.5,3.4
1996,5.2,3.7,5.2,8.4,8.7,12.9,14.3,14.4,13.3,10.6,5.9,4
1997,3.9,5.9,7.6,9.3,11.1,12.6,14.9,16,12.9,10.2,8,6
1998,5.1,7.6,7.6,7.3,11.2,12.6,13.9,14.4,13.5,9.9,7.1,6
1999,5,6,6.7,8.9,11.3,11.9,15.4,14.9,13.2,10.2,7.5,4.8
2000,5.2,6,7.2,7.1,10.7,13,15.1,14.9,12.8,9.2,6,4.7
2001,3.4,4.4,5,7.5,11.4,12.4,14.1,14.5,12.7,11.4,8.1,4.7
2002,6.6,6,7.1,8.6,10.4,12.3,13.6,14.4,13.2,9.2,7.6,5.1
2003,4.8,5.1,7.4,9.6,10.1,13.7,15.2,15.7,13,9.4,7.6,5.4
2004,5.6,5.1,6.5,8.7,10.7,13.4,13.8,15.2,13.1,8.6,7.9,6.3
2005,6.3,5,7.6,8.2,9.8,13.6,14.6,14.6,13.2,10.8,6.6,5.8
2006,5,5.2,5.5,7.8,10.4,13.9,16.2,14.6,14.1,11.3,7.2,6
2007,6.2,5.5,6.7,10.3,10.6,13.7,14.1,14.2,12.6,11.5,8.4,6.1
2008,5.5,5.7,5.8,7.7,12,12.8,14.7,14.6,12,9,6.9,4.7
2009,4.2,5.2,7.1,9,10.4,13.9,14.8,14.4,12.5,10.9,6.9,3.1
