1901,5.2,4.1,5.8,10.9,15.5,15.6,20.6,17.3,14.9,10.9,7.5,4.4
1902,5.7,2.9,8.4,10.7,11.3,15.6,16.2,15.8,14.7,10.6,8.3,5.9
1903,4.6,8.2,7.6,8.5,13.8,15.2,16.2,15.9,14.3,10.8,7.4,3.9
1904,6,3.6,5.5,10.4,13.3,16.2,18.3,16.8,14.4,11.1,7.4,4.7
1905,6,6.3,8,8.6,14.1,17.2,18.5,15.9,14,8.6,6.2,7.3
1906,6.4,4.2,6.8,10.2,12.1,17.3,17.1,18.2,16,12.1,8.7,3.9
1907,5.3,4.5,9,9.6,12.5,13.3,16.9,15.1,15.5,11.2,7.5,5.3
1908,5,7,5.8,8.3,14.6,16.8,17.1,16.5,14.5,13.7,8.8,5.5
1909,5.2,5.7,5.4,11.9,14.4,14.7,15.9,17.3,13.8,10.7,6.2,4.8
1910,5,5.8,8.2,9.2,14.6,16.8,15.8,16.5,14.2,11.6,4.4,7.1
1911,5.8,6,6.5,9.6,16.3,16.6,19.9,18.9,14.8,10.5,7.2,7.1
1912,4.5,6.3,8,12.1,13.7,15.3,17.1,13.8,12.7,10.5,7,7.3
1913,4.5,6.3,7.2,9.8,13.4,15.9,16.7,17.3,15.4,12,9.7,5.5
1914,5,7.6,6.9,11.9,13.3,17.2,17.9,18.1,15.4,11.6,8.4,5.2
1915,4.6,4.9,7,10.6,13.9,17.2,16,16.6,15.1,10.5,4,5.1
1916,8.6,4.9,4.4,10.5,13.8,13.8,17.2,18.3,14.4,11,8.4,4.5
1917,3.1,3.6,4.6,7.8,15.2,16.2,18.2,17.2,15.1,9,9.5,4.5
1918,4.4,7.7,7.4,9.7,15.5,15.7,17.7,17.7,12.4,10.9,6.4,6.9
1919,4.3,3.3,4.4,10,16.5,16,16.4,17,14.2,10.4,4.2,5.9
1920,5.8,7.3,8.1,9,13.6,16.7,15.6,15.7,14.5,11.9,9.4,4.5
1921,7.1,6,8.3,11.5,13.7,17.3,20,16.5,15.6,14.4,6.2,8
1922,4,5.4,6.5,8.1,14,15.4,14.8,15.1,13.9,10.2,8.2,6.2
1923,7.8,5.5,8.2,9.3,11,14.3,18.6,16.1,13.8,10.6,4.9,4.6
1924,5.3,5.5,5.9,9.3,12.9,15.5,16.7,15.1,14,11.4,8.1,8.4
1925,6.7,5.4,6.9,9.7,13.3,18,19.1,17.1,12.8,11.6,4.5,3.4
1926,6.1,6.7,7.8,11.4,12.3,16,18.6,17.7,15.2,9.1,6.8,5.8
1927,5.8,5.6,8.4,9.4,13.3,13.8,18.2,17.5,13.4,12,7,2.6
1928,6.3,7.1,6.9,10.7,13.9,14.2,16.6,16.6,14.4,11.2,8.4,4.6
1929,2.8,2.3,8.1,9,14.3,15.2,17.5,16.5,16.3,10.4,7.7,6.2
1930,5.6,2.8,6.5,10.4,13.5,17.5,16.7,17.2,14.7,11.2,6.8,5.3
1931,4.1,5,5.6,9,12.8,14.5,16,15.4,12.4,10.6,8.4,7
1932,7.6,5.5,6.8,8.7,12.1,16.3,17.2,17.5,13.8,9.4,7.2,6.7
1933,3.4,5,8.7,10.8,13.8,17.7,19.3,18.5,16.4,11,5.9,4.4
1934,6.1,6.9,6.5,9.3,13.1,16.8,19.6,16.5,15.8,11.2,7.1,8.2
1935,5.6,6.4,8.4,9.7,12.6,15.8,18,17.9,14.4,10.4,7.1,3.6
1936,4,3.9,7.9,8.4,13.9,16.8,16.7,17.6,15.6,11.4,6.9,6.4
1937,5.9,4.9,4.5,11,14.1,15.6,17,18.1,14.5,11.1,6.6,3.5
1938,6.6,6.3,10.7,10.6,12.5,15.2,16.2,17.5,15,11.5,9.8,5.6
1939,4.5,6.5,7.4,10.1,13.9,16.5,16.7,18.1,14.9,9.3,8.7,4.5
1940,0.5,3.6,6.8,9.9,15.1,18.9,16,17,13.4,10.9,7.7,5.4
1941,1.6,3.9,6.2,8.4,12.3,16.7,18.2,16.7,17,12.4,7.8,6.7
1942,3.1,2.7,6.5,11.9,13.6,16.4,17.4,17.6,15,11.7,7,7.5
1943,5.5,7.9,8.9,12.5,14.2,16.4,18.1,17,14.8,12.4,7.9,5.9
1944,7.2,5.5,7.9,12,13.7,15.6,17.6,19.2,14.1,10.6,6.8,5.7
1945,2.4,7.9,9.9,11.7,13.9,16.3,18.3,18.7,16.1,13.6,8.7,6.2
1946,4.6,6.8,7.3,12.2,14.6,15.4,17.4,16.6,15.2,11.5,9,5.2
1947,4.2,0.5,3.9,9.7,15.8,17,18.2,21.9,16.2,13,7.9,5.9
1948,4.7,5.9,10.6,11.7,14.5,15.5,17.2,16.1,15,11.6,9.4,6.5
1949,6.9,7.3,8.1,11.3,14.1,18.4,18.8,18.3,17.5,12.8,8,6.7
1950,5.5,5.9,9.3,9.2,14.2,17.8,17.3,16.8,13.6,10.8,6.6,2.3
1951,4.4,4.2,5.5,8.6,12.4,16.6,17.6,16.1,15.2,12.2,9.3,6.6
1952,2.8,5.6,7,11.6,15.4,15.4,18.1,16.9,12.4,10.4,5.6,4.4
1953,5.7,6.3,8.7,9.5,15.4,17.6,16.6,17.4,15.4,11.6,9.3,7.7
1954,4.6,3.6,7.1,10.7,13.9,15.2,15.6,15.6,13.8,12.4,7.9,7.3
1955,3.2,2.2,5.8,12.2,12.7,15.7,21.5,20.4,15.9,10.9,8.9,6.2
1956,4,3.3,8.6,10.6,14.4,15.7,16.7,14.4,15.5,11.3,7.9,7.2
1957,6.9,5.9,9.7,11.4,13.5,18,17.6,17,13.4,11.9,7.8,6.3
1958,4.4,5.1,5.2,10.4,12.8,15.3,17.8,17.4,17,12.2,8.2,5.2
1959,2.7,6,8.7,11.1,16.6,17.2,18.6,19.5,17.2,14.5,8.4,6.7
1960,5.1,4.9,7.6,12.2,15.9,19.1,16.8,17.1,15,11.8,7.5,4.6
1961,4.6,7.2,9.4,10.7,13.9,15.7,16.4,16.8,15.8,11.5,7.1,4.1
1962,5.4,6,4.9,10.3,12.6,16,16.4,15.4,13.4,12.1,7,4.8
1963,0.7,2,7.5,9.8,12.1,16.7,16.7,15.8,14.4,11.7,8.2,4.6
1964,5.8,5.4,5.4,10.3,14.7,15.2,16.8,16.8,15.6,10.6,8.8,5.4
1965,4,5.1,6.7,10.8,13,16.2,16.1,16.5,13.1,12.9,5.3,5.2
1966,3.5,4.7,8.3,7.4,14,16.7,17.4,16.2,15.2,11.1,6.7,5.7
1967,5.4,6.2,7.7,10.3,11.2,16.8,16.8,17,15,10.9,7.2,5.7
1968,5.7,2.9,7.9,10.6,11.9,17.4,16.8,17.7,15.2,13,7.2,4.5
1969,5.6,2.5,4.6,10.3,12.9,17,17.8,18.5,15.8,14.3,5.7,4.4
1970,4.4,4.1,6.1,8.7,14.7,19.1,15.9,18.5,15.1,12.1,8.1,5.7
1971,5.7,6.5,8.1,11.1,14.4,14.7,19.3,17.2,16.8,13.4,7.9,8.4
1972,5,5.3,8.1,11,13,13.9,18.3,16.8,14.9,13.1,7.2,6.8
1973,5.3,5.7,8.9,9.7,13.2,17.5,17.8,17.7,15.5,11.3,7.3,6.2
1974,7.2,6.4,7.4,12,14,16.4,16.3,17.1,13.3,9.6,7.6,8.3
1975,7.4,6.4,7,10.5,13.4,18.1,18.9,21,14.4,12,8,7.5
1976,6.7,5.7,6.6,10.7,13.4,18.2,20.4,20.6,14.8,11.8,7.7,2.7
1977,4,5.2,8,9.3,14.1,16.3,19.3,18.3,14.3,13.5,7,6.6
1978,4.1,3.2,7.5,9,16.5,16.4,16.8,16.5,15,13,9.4,4.3
1979,1.9,3,5.4,9.3,11.3,16.9,17,16.5,14.6,12.3,7.9,5.8
1980,3.4,5.8,5.7,12.2,15.8,15.5,16.7,16.8,15.1,10.1,7.8,7.1
1981,6.2,4.8,8.5,11.2,14.3,15,16.9,18.2,16,9.3,8.7,2.6
1982,4.4,6.3,8.1,12.2,14.2,16.6,19.2,17.3,15,11.6,8.3,5.5
1983,7.3,3.8,7.6,8.7,12.2,16.1,21.4,20.4,14.6,11.6,8.7,7.2
1984,4.1,4.8,6.2,11.8,14.9,17.2,20.5,20.3,14.4,12.4,8.5,6.3
1985,2.5,4.4,6.4,9.9,13.5,14.9,16.9,15.2,15.1,12.5,5.4,6.6
1986,4,1.5,7,7.9,12.7,17.3,16.4,15.3,14.2,12.2,9.2,6.6
1987,2.9,5.7,6,11.9,13.3,14.6,18,17.2,14.8,10.4,7.4,6.6
1988,6,6.3,7.6,10.7,14.8,18.5,15.9,17.2,14.7,11.6,7.5,8.6
1989,8.3,7.3,8.4,8.8,15.5,17.3,21.3,17.5,15.2,12.9,7.9,4.5
1990,7.6,7.2,9.4,11,15.7,16.2,18.5,18.7,14.6,12.7,7.5,5.7
1991,4.2,4.6,9.4,10.1,14.6,14.7,19.9,18.6,16.5,11.2,7.8,6.2
1992,5.7,7.1,8.5,10,16.3,18.6,17.5,16.6,14.5,9.2,8.6,5.3
1993,6.8,7.5,8.3,11.1,13.5,16.9,16.5,16.6,14.3,9.8,6.3,5.2
1994,5.6,4.3,8,9.9,13.5,15.8,19.1,17.3,14.4,12.1,10.7,7.6
1995,5.5,7,6.6,11.4,14.4,18.6,20.1,21.5,16.2,14.3,9.3,3.7
1996,6.1,4.5,5.6,9.9,11.5,16.7,18.2,18.7,16,12.8,6.6,4.2
1997,4.3,7.2,9.7,11.6,13.9,15.6,19.3,20.4,15.6,12.2,9.7,6.9
1998,6.3,8.6,9.4,9.3,15.4,15.1,16.5,17.3,16.1,11.3,7.5,7
1999,5.9,6.1,8.6,11.4,14.7,15.7,19.2,17.6,17,12.2,9.1,5.1
2000,6.5,6.7,9.1,9.6,15.5,15.6,18,18.3,15.7,11.6,7.6,6
2001,4.8,5.5,6,9.2,16.4,14.9,18,17.9,14.6,13.9,8.8,5.1
2002,6.7,7,9.3,11.5,13.8,15.5,16.7,19,16.4,10.8,8.9,5.6
2003,5,6.1,9.9,13.3,13.5,17.7,18.9,20.1,15.9,11,9.2,5.8
2004,5.5,6.2,8.2,11,15.7,16.9,17.4,19.1,15.5,11,8.8,6.5
2005,7,5.5,8.8,10.8,13.2,16.9,18.5,18.1,15.9,12.9,7,5.9
2006,5.4,5.9,5.7,10.5,14.3,18.3,21.7,18,17.6,13.6,8.7,6.5
2007,7,7.1,8.8,14.4,13.9,17,17.4,17.7,15.7,13.5,8.9,5.9
2008,5.9,8.1,7.6,10,16.6,16.4,18.8,17.4,14.7,10.8,7.6,4.8
2009,4.3,5.5,8.7,12.6,14.4,18.3,18.7,17.9,15.8,12.9,8.3,3.4
