1901,5.8,6,7.8,12.6,14.6,20.3,22.5,24.1,18,12.2,8.4,4
1902,4.3,6.3,8.3,10.5,12.6,16.2,21.7,22.9,18.5,12.2,8.9,5
1903,4.7,6.2,8,10.3,12.3,17.1,22.3,23,18.3,13.8,8.9,4.1
1904,3.7,5.6,6.7,10.3,14.5,17.8,22.2,22.4,18.3,14.5,9.4,6.2
1905,4,4.5,8.4,11.2,13.3,16.6,22.2,22.5,17.8,13.1,7.8,5
1906,4.4,3.9,7.6,9.4,12.8,18.3,22.3,23.2,19,13.7,8.3,3.7
1907,3.5,3.5,7.4,9.4,12.3,17.5,21.4,22.9,19.5,12.7,9.3,6.1
1908,5,4.9,6.6,8.8,13.7,16.3,21.9,22.1,19.8,14.2,10.2,6.6
1909,4.4,5.3,8.5,10.2,13.6,16.6,20.6,21.1,17.3,13.9,9.9,7.4
1910,4,5.8,6.5,9.1,11.7,17.1,21.3,21.6,18.1,13.6,8.6,5.7
1911,4.1,5.6,5.9,9.7,12.6,17.5,20.3,22.4,19.9,12.9,8,5.6
1912,4.4,8.3,9,9,14.5,17.9,18.2,20.4,17.5,12.3,7.6,4.8
1913,5.6,6.1,7.3,9.2,13.1,18.3,20.6,20.1,16.1,13.7,8.4,4.6
1914,3.2,5.2,7.6,10.1,13.5,15.7,20.6,21.3,17.8,12.7,8.3,4.9
1915,3.1,5,8.1,8.3,13.2,16.8,23,23.3,18.3,12.2,8.7,5.3
1916,3.7,4.6,6.6,9,13,17,21.5,21.7,17.8,13.6,7.9,5.9
1917,4.1,5.6,6.1,8.4,12.8,17,23,22,19.5,12.6,7.3,2.9
1918,5.3,5.1,6.2,8.3,12.7,17.7,22.3,22.4,18,11.4,8.2,4.8
1919,3.7,6.8,7.6,9.2,12.9,18.3,21.3,24,18.9,12.3,8.1,3.7
1920,4.3,6.6,7.7,10.5,14.3,17.9,21.7,22.8,19.5,12.6,8.7,4.9
1921,4.4,5.8,7.7,9.5,12.8,17.2,22.8,22.4,18.7,14.9,8.6,4
1922,4.7,5.8,6.9,9.3,14.1,17.4,22.6,22.3,17.4,13.6,8.8,4.5
1923,1.9,5.7,8,7.7,13.9,17.2,22.9,24.6,17.7,15.7,11.9,2.8
1924,3.9,4,8,10.7,15.8,19.5,23.4,23.2,18.9,12.7,8.5,5
1925,3.1,4,4.9,8.9,12.5,16.1,20.7,23.7,18.8,12.5,7.5,8.3
1926,5.9,7.9,8.5,11.2,12.3,17.8,23,23.4,21.8,15.3,6,4.8
1927,4.3,4.1,7.6,10.5,14.7,19.4,20.8,24.1,19,14.3,7.6,5.7
1928,3.2,6.3,8.5,9.9,11.1,19,24.1,22.2,19.6,13,7.5,5
1929,5.1,6.4,8.1,10.1,11.7,17.9,22.7,22.6,17.1,13,7.2,5.9
1930,5.4,4.2,7.8,7.3,13.3,15.2,20.9,24.4,19.1,16.1,10.5,4.7
1931,3.6,4.3,8.7,9.1,13.1,19,22,21.2,17,14.4,9.2,3.4
1932,4,4.4,7.3,8.7,13.4,16.3,19.9,21.7,16.5,12.1,8.6,4.4
1933,3.8,5.3,6.5,11.5,16.1,16.1,21.9,24.6,16.8,14.7,6.8,3.9
1934,2.7,4.3,4.8,9.3,13.4,18.5,21.4,21.6,18.6,14.1,10.4,6.9
1935,2.9,3.6,8.5,11.4,11.5,18.4,23.7,22.6,19.6,11.7,8.8,5.6
1936,5.9,5,7.3,10.9,10.7,15.6,21.6,25,20.2,12.2,6.8,4.4
1937,5.1,7.7,7.9,12.9,14.4,18.2,23.8,23.2,18,13.5,11.3,5.3
1938,3.6,5.9,8.1,10.4,12.8,20,22.5,21.7,16.2,14.1,9.8,4.8
1939,5.1,5,6.9,8.8,12.8,16.7,22.6,21.1,18.8,12.9,9.3,6.2
1940,5.1,7.9,10.4,11.9,13.6,17,21.7,24.8,18.5,12.3,8.6,4.3
1941,4.8,7.2,8.3,9.7,12.6,17.9,21.7,23.5,19.5,15.4,9.7,4.5
1942,3.7,4.2,9,10.3,14.8,18.2,22.5,22.3,18.4,15,9.6,5.9
1943,4.9,5,7.5,12.2,14.7,19.6,21.1,23.6,18,12.9,6.5,4.3
1944,4.1,4.8,7.5,11.5,15.4,17.6,22.7,22.2,18.5,13.3,9.5,4.5
1945,2.3,6,9.4,13.2,15.3,19.9,22.9,21.6,20.7,15.5,11.4,7.4
1946,4.9,6.3,7.6,9.3,11.6,19,25.6,24.2,20.1,14.6,8.1,4.5
1947,3.6,6,10.3,12,12.7,18.4,21.9,22.4,18.8,13,11.5,5.1
1948,3.1,7.6,9.3,10.2,13.2,19.9,23,23.5,19.7,13.5,11,7.6
1949,4.6,6.9,7.7,12.8,12.9,18.5,23.5,23.5,17,15.6,9.8,6.5
1950,4.4,7,9.1,10.4,13,17.9,24,22.2,18.6,13.1,10.6,6
1951,3.9,5,9.7,10.9,11.5,19.8,21.7,22.7,19,11.3,9.4,6.1
1952,3,5.6,10.4,9.1,13.5,19.6,22.3,22.5,17.5,15.3,10.5,5.6
1953,3.9,4.4,7.4,11.6,16,17,22.9,24.2,17.9,12.9,9.9,6.7
1954,3.3,4.1,7.3,8,14.4,17.8,22.3,22.2,19.6,15.1,10.4,5.6
1955,6.8,7,7,11.2,16.5,19.1,21.9,22.7,19.3,13.7,11,6.9
1956,4.6,2.9,6.6,8.6,13.2,17.6,21.3,21.7,17.6,14.7,6.9,3.8
1957,2.8,7.2,9.7,8.6,13.2,17,22.7,23.2,19.6,12.2,7.7,3.6
1958,4.3,8,8.6,9.6,15,17.3,21.5,22.5,19.6,14,8.1,6.4
1959,6,4.5,8.5,10.7,12.5,17.6,22.6,22.8,16.7,13.2,8.3,5.8
1960,4.3,8.1,8.6,9.9,14.3,17.9,21.8,22.2,18.2,12.3,10.3,3.8
1961,3.1,7.5,9.5,11.3,14.9,16.9,23.3,22.7,18.7,13.1,8.7,7.4
1962,5.2,4.4,6.9,10,14.3,17.4,22.2,24.3,19.2,14.3,6.4,5.3
1963,5.7,5.1,8,9.9,11.9,16.5,21.6,22.2,16.3,14.3,10.1,6
1964,4.2,6.5,8.2,8.5,16.6,17.9,22,22.2,20.8,13.7,8.7,3.5
1965,3.4,4.9,9.1,9,15.6,18.8,20.3,22.1,15.7,12.9,8.1,5.2
1966,6.4,8.3,7,11,15,18,20.4,22.5,19.4,11.3,5.5,4.3
1967,4.4,5.4,8.7,8.5,13.2,17,22.9,23,17.2,13.2,7.8,3.2
1968,4.1,5.2,6.5,9.6,13.3,17.8,22.4,21.1,18,15.9,9.8,5.1
1969,6.8,6.9,8.7,8,12.8,16.7,22.6,21.8,15.4,12.6,9.4,3.5
1970,6.5,6.3,6.8,10.1,14.2,16.5,22.9,21.8,19.8,12.8,10.3,4.3
1971,5.1,5.6,5.9,7.9,9.7,16,20.6,21.1,17.6,15.4,6.1,4
1972,3.9,6.2,6.5,9.3,11.6,15.3,20.9,19.9,17,12.8,8.7,4.2
1973,3.6,4.4,6.7,9.8,14.5,16.6,21.3,23.2,19.2,12.9,9.7,4.4
1974,4.7,5.4,6.3,8.4,13.7,17,22.7,22.6,18.2,10.5,9.1,5.9
1975,5.2,6.5,6.8,8.8,10.8,16.3,23.7,23.2,16.7,13.4,7.6,4.7
1976,4,5.3,6.3,7.4,11.7,18.4,22,22.2,18.2,11.2,7.4,6.7
1977,5,6.7,9.3,11.8,12.3,16.4,19.2,20,18.4,13.3,6.8,7.1
1978,4.3,8,7.9,11,11.5,15,23,22,20.5,13.1,8.8,7.5
1979,6.8,6.8,6.8,9.5,13.6,17.4,22,22.4,19.2,11.9,8.8,5.4
1980,4.5,6.5,7.3,10.1,12.4,17.8,22.5,23.6,20,12.9,8.7,3.5
1981,3.6,5.5,10.2,9.3,13.5,18.4,22.2,21.1,19,14.9,11.8,7.1
1982,5.4,6.5,8.7,10.1,13.8,19.7,23.4,22,19.6,16.5,8.3,3.2
1983,4.3,5.2,10.4,10.9,12.3,19.3,21.6,20.8,20.5,16.2,10.9,6.3
1984,4.1,5.4,6.9,12.1,9.5,17.2,24.1,21.8,18.5,12.9,9,5.7
1985,3.2,8.1,6.8,11,11.7,18,22.7,23.6,19.9,15.3,10,5.5
1986,3.9,5.9,6.9,7.6,15.7,16.7,22.7,22.5,19.2,13.5,8.5,4.6
1987,5,6.2,9.1,12.7,14.1,18.3,20.9,22,21.4,12.7,8.3,6.9
1988,4.7,5.6,8.2,10.5,12.3,15.8,23.2,24.2,20.4,14,9.9,4.1
1989,3.5,5.6,8.3,8.3,14.2,17.7,23.1,23.3,18.7,15.4,9.5,7.8
1990,3.3,7.7,9.4,8.6,14,17.7,23,23.3,19.8,13.2,9.4,5.4
1991,3.6,4.4,6.7,9.1,12.8,18.6,23,23.2,18.8,11.3,8,4.9
1992,3.3,5.7,6.9,10.3,14.6,14.2,21.9,23.9,19.1,11.6,8.5,5.9
1993,3.1,4.8,7.8,9.6,12.5,17.7,23.1,22.4,15.7,11.7,7.8,5.5
1994,3.7,5.7,8.5,9.7,14.3,18.5,24.3,23.2,17,13.6,10.1,6.3
1995,4.2,7.1,8.5,8.7,16.7,17.6,22.3,22.7,16.5,15.1,11.2,7.4
1996,6.5,4.6,7.2,10.7,13.6,18.8,22.3,20.6,16.6,13.3,9.1,6.5
1997,6.2,7.6,9.8,11.3,13.6,16.8,20.2,20.9,18.7,14.7,10.1,6.5
1998,4.1,7.5,9.7,10,12,19,22.6,23.6,18.7,13.1,7.8,4.6
1999,4.1,3.7,7.4,11.6,15.7,18.7,22.3,22.7,17.5,14.2,7.6,5
2000,3.3,7.3,9.8,9.4,14,20,22.7,23.7,18.7,11.4,8.4,6.9
2001,5.7,6,10.6,11.4,14,20.5,22.7,22.6,16.9,16,9,7.5
2002,5.5,7.5,8.7,9.9,13.1,18.6,22.1,20.8,18,14.7,9.4,7.5
2003,3.8,5.8,9.5,10.4,15.7,19.7,22.8,23.3,19.4,13.1,8.5,5.8
2004,4.6,6.3,7.6,10,11.5,18.7,22.9,23.5,19.5,15.1,8.5,4.7
2005,2.1,3,9,11.5,16.5,19.1,22.8,24.1,18.7,14.8,8.6,5.2
2006,2.8,4.5,9,12.1,16.2,18.6,24.2,23.3,19.5,16.2,11.2,5.4
2007,4.4,7.5,7.6,9.4,13.7,18.7,23.6,22.8,18.2,14.3,9.9,5.6
2008,5.2,6.3,8.8,12.3,12.9,19.8,23.3,23.3,18.1,11.8,6.5,4.5
2009,3.5,5.6,8.8,9.6,15.2,19.6,24.3,23.8,16.9,16.6,11.6,7.5
