1901,5.2,2.4,7.2,11.4,14.6,21.8,24.3,24.6,18.9,12.1,7.3,4.2
1902,4.6,6.5,8.9,11.6,13.5,18.3,24.4,23.9,18.6,11.7,9.2,5.6
1903,5.2,6.2,8.8,11,13.5,18.6,23.6,24.4,18.7,14,9.2,4.2
1904,4.7,5.9,7,11.4,16.9,20.5,25.2,24.3,18.9,14.4,8.3,7
1905,4.3,4.4,9.3,12.3,14.1,19.2,24.1,23.7,18.1,12.4,7.6,5.1
1906,5.8,4.7,7.7,9.2,14.5,20.7,23.9,25.6,19.2,13.8,8.3,4.9
1907,4.1,4.3,8.6,10.4,13.5,20.9,22.7,24.1,19.4,11.5,8.9,7
1908,5.9,5.5,6.1,8.7,16,18,23.6,23.8,20.2,14.1,9.8,6.3
1909,3.6,3.9,7.5,11.8,15.1,17.3,23.1,24,17.5,13.9,8.5,6.9
1910,4.6,6.8,6.7,10,13.1,19.4,23.2,23.1,18.2,13.3,8.3,6.3
1911,2.9,5.8,6.8,9.4,13.8,18,24,24.4,20.8,12.6,8.4,6.7
1912,5.2,7.8,9.3,10.2,15.9,19.5,22,21.5,17.6,12.4,7.6,4
1913,6.3,5.5,7.9,10,15,20.8,24,22.9,17.4,12.8,9.4,5
1914,3.1,6.4,8.6,11.3,14.7,17.7,22.9,23.3,20.1,13.5,7.8,4.9
1915,3.9,4.8,7.6,8.8,14.3,19.6,24.1,24.4,18.6,11.8,7.5,5.5
1916,4.3,5.7,7.1,10.1,14.9,18.7,22.9,23.7,18.4,13.6,8.1,5.7
1917,3.6,5.1,7,8.6,14.5,19.3,24.3,23,20.1,12.2,7.1,2
1918,4.5,5.1,7,9,14.4,19.3,23.2,22.9,18.5,10.7,6.6,4.4
1919,2.5,6.4,7.6,9.2,13.5,19.1,22.5,23.6,19.1,11,5.6,3
1920,4.3,5.2,7.3,10.8,14.6,19.1,22.5,22.5,18.6,11.9,6.5,3.1
1921,4,5.2,7.8,9.7,13.7,19.3,24.3,23.5,19.8,14.8,7.3,4.2
1922,4.4,6.1,7.3,10.8,15.6,18.7,23.2,23.5,17.4,13.1,7.5,3.6
1923,2.5,5.9,8.5,8.6,14.7,17.3,24.6,25.2,17.9,15.4,7.2,3.1
1924,4.9,3.3,8.3,10.9,17.2,20.7,24.4,23.4,19.2,14.1,8.1,4.8
1925,3.7,4.3,5.3,9.8,13.7,18.7,21.8,23.5,18.4,13.1,6.6,5.9
1926,4.6,8.3,8.9,11,13.6,19.2,24.2,24.5,21.6,15.1,6.9,4
1927,4.4,4.6,7.5,11.6,15.9,19.7,22.4,23.3,19.3,14.2,7.4,5.1
1928,3.8,6.6,8.2,9.7,12.7,20.3,25.4,24.6,20.1,13.6,7.2,3.7
1929,2.3,6,8,10.6,13.6,19.8,23.7,23.1,19.1,12.9,7.7,6.1
1930,5.5,3.5,8.3,9.4,15.4,18.6,22.9,24.6,20.2,15.4,9.2,6.6
1931,4.8,5.2,9.5,11,14.8,21.4,24.3,23,18.5,14.1,8.6,3.5
1932,3.9,4,8.3,9.4,14.3,18.2,22.3,24.2,19.5,12.6,8.6,5.7
1933,3.7,5.2,7.9,12.4,16.6,18.7,25.3,26.6,20.4,14.1,6.5,2.7
1934,3.1,4.1,5.9,9.4,15.6,21.1,25.1,22.8,20.5,14,6.6,6.7
1935,2.6,4.5,8.3,10.8,12.6,19.9,25.4,23.7,20.9,12.3,7.6,6.2
1936,7,7.6,7.6,10.4,12.3,17.7,23.3,24.2,20.3,11.7,6.8,3.3
1937,5.4,7.8,7.1,11.5,14.9,19.7,25.1,25,19.3,14.5,9.8,4.3
1938,4,4.1,8.5,10.6,13.5,22.2,24.4,23.3,17.9,14.4,9.6,5
1939,6.4,5.7,7.1,9.8,13,18.1,23.9,23.5,20,12.5,8.2,5
1940,4.4,7.5,9.9,11.2,14.7,18.5,23.8,24.2,19.2,12.2,7.5,3.5
1941,3.7,6.6,8.5,10.1,12.9,19.1,23.4,23.2,19.7,14,7.7,4.3
1942,4.2,3.5,8.9,11.1,15.5,20.2,24,23.4,19.2,14.7,8.3,5.7
1943,5.8,5.2,8,12.1,16.3,21.8,22.9,23.6,18.7,13,7,5.4
1944,4.2,3.3,7.7,11.4,15.7,20.4,23.6,24.3,19.8,11.4,7.6,4.1
1945,2,5.9,8.8,13.4,16.8,21.2,24.7,23.3,21.7,14.1,10.1,6.6
1946,3.5,6,7.9,10.4,12.7,19.5,25,24.5,20.5,14.8,7.6,4.1
1947,3.3,5.4,8.8,11.6,13.6,20.9,25.4,24.2,19.7,13.4,10.2,4.3
1948,4.3,7.2,10.2,10.9,14.3,20.7,23.4,23.7,19.8,14.2,9.3,6.4
1949,5.2,5.8,7.8,13.3,14.6,20.7,25.3,25.7,20.4,14.6,9.1,6
1950,5,6.7,8.7,10.9,14.7,20.6,25.7,24.3,20,14.6,10.2,4.3
1951,4.3,4.9,8,10.5,12.3,19.9,24,22.4,19.4,12.1,7.7,6.4
1952,3.2,5.4,9.9,11,15,21,24.2,22.7,17.3,13.7,8.5,4.8
1953,3.6,4.7,7.5,11,16.4,18.3,23.9,24.6,19.1,12.7,9.6,7.4
1954,3.7,4.4,7.5,9.6,14.6,18.9,23.4,22.2,19.2,14,10,6.3
1955,7.1,6.1,7.3,11.9,17,20.2,24.7,24.4,20,13.7,8.6,7.1
1956,5.1,2.4,7.9,9.8,14.7,18.9,22.6,22.4,18.2,13.5,6.8,3.8
1957,3.5,6.8,10.1,10.2,13.8,18.4,24.1,24.1,20.3,13,7.6,3.8
1958,4.7,7.6,8.3,9.8,16,18.5,23.1,23.1,20.7,13.4,8.4,6.3
1959,5.9,6,8.9,11.3,14.6,19.8,25,23.3,19.1,14.2,8.6,5.5
1960,4.9,6.3,8.9,11.2,15.5,21.3,24.3,23,19.4,10.9,8.1,4.1
1961,4.5,7.8,9.6,11.8,16.9,20.5,24.9,24.6,21,13.7,8.4,6.1
1962,5.9,6.1,7.9,11.1,15.4,20,24.4,24.8,21.3,15.2,6.6,4.1
1963,4.7,4.7,8.2,10.5,14.8,19,24.4,22.8,18.5,14.6,8.8,5
1964,4.6,6.7,8.1,10.3,17.7,19.9,24.7,24.2,22.4,13.2,8.3,4.8
1965,5,4.5,8.6,11.1,16.7,21,23.2,23.6,17.1,13.6,8.1,5.7
1966,6.7,7.5,8.2,11,16,19.8,24,23.8,20.8,12,6,5
1967,4.5,6,9.7,9.8,14.1,18.8,24.8,24.2,18.4,15,9.1,4.2
1968,5,6.3,7.9,10.5,14.4,20.1,24.6,23.1,18.5,15.1,8.4,5.4
1969,5.9,4.8,8.2,11,14.8,18.4,24.7,23.7,17.1,13.9,8,4.4
1970,5.8,6,7.1,10.7,15,19.1,24.2,23.5,21,13.3,10.2,3.4
1971,4.3,6.3,5.9,10,12.7,17.9,23.8,23.3,20.1,15.7,6.7,5.4
1972,4.1,6.3,7.4,10.2,13.3,18.3,23.2,22.8,17.2,12.5,8.9,5.1
1973,4.7,5.5,7.1,10.1,15,19.6,23.4,24.9,19.7,12.9,9.2,4.2
1974,5.6,5.2,8.9,8.5,15.2,19.2,24.5,23.6,19.4,11.7,8.3,5.6
1975,5.8,6.5,6.8,10.2,13,18.7,24.5,24.5,18.1,14.2,7.9,5.1
1976,4.8,6.6,8.6,9,15.5,21.1,24.3,23.2,17.7,11.2,6.1,5.6
1977,5.1,6.6,9.2,11.2,13.4,17.1,21.4,21.4,19.9,14.1,10.5,6.9
1978,5.1,7.2,9.1,9.9,13.5,17.7,22.2,24.3,20.8,14.1,9,7.1
1979,7.3,6.8,7.9,10,14.8,20.8,24.9,23.9,17.9,13.1,8.2,6.2
1980,4.9,7,8.6,10.4,14,19.5,23.1,24.7,21.9,14,8.3,4.9
1981,4.4,5.5,9.7,10.3,14.5,21.1,23.9,23.3,19.9,14.3,11,6.7
1982,6.1,6.8,8.8,11,15.4,21.7,24,23.7,19.8,12.9,8.3,5.5
1983,5.2,4.7,9.5,10.6,13.7,21.2,23.9,22.7,22,15.8,10.9,6.1
1984,5.2,5.7,6.4,12.8,11.7,18.9,25,22.9,19.8,13.1,8.9,6.3
1985,3.7,7.9,7.8,11.8,14.2,20.9,25.8,24.2,22.5,16,8.7,5.5
1986,4.9,5.9,8.2,8.9,17,20.5,25.3,23.8,21,15.3,9.4,5.6
1987,4.7,6.5,9.9,12.5,15.4,20.9,24.6,25.2,22.2,13.8,9.2,7
1988,6.8,6.5,9.5,11.6,15,19.2,24.5,25.6,20.7,14.9,9.9,5.5
1989,5.6,7.2,9.8,10.4,16.6,21.6,26.7,25.9,20,15.5,10.4,8
1990,5.9,8.2,9.8,10.5,16.4,21.4,26.6,25.9,22.5,14.2,8.7,4.8
1991,5.2,5.5,9.1,10.6,14.8,21.7,26.2,26.5,21.7,12.7,8.4,6.2
1992,4.4,6,8.9,11.9,16.9,17.5,25.4,25.5,20.3,12.5,9.5,6.5
1993,4.9,6,8.8,10.6,14.9,20.8,25,25.5,17.9,11.3,8.3,5.8
1994,5,6.6,10.7,10.8,15.5,21.5,26.9,25.7,18.5,14.4,10.3,6.5
1995,6.1,7.7,9.4,12.1,17.2,20.8,25.6,25.1,17.7,16.1,10.6,7.5
1996,7.2,6.1,8.7,12.1,15,22,25,23.7,18.2,13.8,9.1,6.2
1997,6.2,8.3,11,13.3,15.8,19.5,23.8,24.8,21.6,16.3,9.4,6.3
1998,6.5,8,10.5,10.9,15.1,21.2,26.1,26.3,20.3,13.2,9.2,5.3
1999,5.3,5.9,9.1,12.3,16.6,21.6,25.7,24.7,19.9,14.6,7.7,5.6
2000,4.5,8.6,9.9,10.4,16.8,22.6,24.6,24.6,20.3,13.5,8.2,6.5
2001,6.5,7.4,10.9,12.2,15.3,22.3,24.3,25.4,20.4,15.8,7.8,4.5
2002,6.1,7.4,9.6,11.5,15.2,21.8,24.8,23.5,19.5,14.3,9.2,7.5
2003,5.4,5.8,9.9,11.6,16.9,23.8,25.3,26.8,21,14.2,9.5,6.1
2004,6.7,7,8.2,10.9,14.3,22.8,25.7,24.6,21.3,15.1,8.7,6.3
2005,4.5,4.4,8.6,12,17.3,22.8,25.9,24.8,19.4,14.7,8,5.3
2006,4.7,5.7,9.3,12.7,17.3,21.1,26.1,23.7,20.1,15.1,10.2,5.7
2007,5.1,8.2,8.8,11.6,15.6,20.2,25,24.5,20.5,14.3,8.6,5.8
2008,6.6,8,9.4,12.3,14.6,20.6,25.2,25.5,19.8,14.3,7.3,4.9
2009,4.6,6.1,9.7,10.8,17,21.8,25.5,26.5,20.4,15.8,10.6,5.8
