1901,5.8,3.3,7.5,11.4,14.6,21.5,24.1,24.3,19,12.3,8,4.9
1902,5.1,7,9,11.7,13.6,18.2,24.1,23.8,18.8,11.9,9.6,6.2
1903,5.8,6.5,8.9,11.1,13.6,18.5,23.5,24.1,18.8,14.3,9.6,4.9
1904,5.2,6.3,7.3,11.4,16.7,20.2,24.9,24.1,19,14.6,9,7.6
1905,4.9,4.8,9.5,12.3,14.2,19,23.9,23.6,18.3,12.8,8.2,5.8
1906,6.2,5.1,8,9.5,14.5,20.4,23.7,25.1,19.3,14,8.8,5.4
1907,4.6,4.7,8.5,10.6,13.6,20.5,22.4,23.8,19.4,11.8,9.3,7.5
1908,6.3,5.8,6.3,8.9,15.7,17.8,23.3,23.5,20.2,14.2,10.2,6.8
1909,4.1,4.4,7.8,11.7,15,17.3,22.9,23.7,17.5,14.1,9.1,7.5
1910,5.2,7.1,6.8,10.1,13.2,19.1,23,22.8,18.3,13.7,8.9,6.9
1911,3.4,6.1,7,9.6,13.8,17.9,23.7,24.1,20.7,13,8.8,7.3
1912,5.8,8.3,9.4,10.2,15.8,19.2,21.9,21.4,17.6,12.6,8.1,4.8
1913,6.8,5.9,7.9,10,14.9,20.3,23.6,22.6,17.5,13.2,9.8,5.7
1914,3.8,6.8,8.7,11.3,14.7,17.5,22.7,23,20,13.6,8.4,5.5
1915,4.2,5.1,7.9,8.7,14.3,19.2,24.2,24.2,18.6,12,8.2,6.2
1916,4.7,5.7,7.1,10,14.8,18.5,22.8,23.4,18.4,13.9,8.5,6.3
1917,4.1,5.4,6.9,8.7,14.5,19,24.1,23,20.3,12.6,7.5,2.6
1918,5.3,5.4,6.9,9,14.2,19.1,23.3,23,18.8,10.9,7.4,5
1919,3.2,6.8,7.7,9.3,13.7,19,22.3,23.8,19.1,11.3,6.7,3.7
1920,4.6,5.8,7.5,11,14.9,19.1,22.7,22.7,18.9,12.2,7.3,4.2
1921,4.6,5.6,7.8,9.7,13.7,18.9,24.1,23.2,19.8,15,7.9,4.5
1922,4.9,6.2,7.4,10.7,15.6,18.5,23.3,23.5,17.5,13.6,8,4.3
1923,2.7,6.2,8.4,8.6,14.6,17.1,24.4,24.9,17.9,15.6,7.6,3.4
1924,5.2,3.8,8.4,10.9,17.1,20.5,24.3,23.3,19.2,14.1,8.6,5.2
1925,3.9,4.6,5.4,9.8,13.7,18.4,21.7,23.5,18.4,13,7.1,6.6
1926,5.2,8.5,8.9,11.1,13.7,19.1,24.2,24.3,21.5,15.3,7.2,4.5
1927,4.7,4.9,7.5,11.4,15.9,19.6,22.3,23.4,19.5,14.3,7.8,5.5
1928,4.2,6.6,8.3,9.9,12.7,20.1,25.3,24.1,20,13.8,7.5,4.2
1929,3.2,6.3,8,10.8,13.6,19.6,23.6,23,19.2,13.1,8,6.6
1930,5.9,3.8,8.4,9.4,15.2,18.2,22.8,24.4,20,15.5,9.5,7
1931,5.1,5.3,9.5,11,14.7,21.1,24.1,22.8,18.5,14.3,9,4
1932,4.3,4.3,8.4,9.4,14.3,18,22.2,23.8,19.5,12.8,8.9,6.1
1933,4.1,5.6,7.9,12.2,16.4,18.5,24.9,26.1,20.3,14.3,6.8,3.3
1934,3.5,4.3,5.9,9.5,15.3,20.6,24.8,22.7,20.4,14,7.1,7.2
1935,3,4.7,8.3,10.8,12.8,19.7,25.1,23.7,20.7,12.6,8,6.6
1936,7.3,7.8,7.7,10.5,12.3,17.6,23.2,23.9,20.3,12,7.2,3.8
1937,5.8,8,7.3,11.5,14.6,19.3,24.7,24.6,19.3,14.4,10.2,4.9
1938,4.3,4.4,8.2,10.5,13.4,22,24.2,22.9,17.6,14.6,9.9,5.4
1939,6.7,5.9,7,9.8,13,17.9,23.7,23.2,19.8,12.8,8.6,5.6
1940,5.1,7.8,9.6,11.3,14.6,18.3,23.6,24,19.3,12.6,8,4.1
1941,4.2,7,8.6,10.2,13,18.8,23.3,23.2,19.7,14.1,8.2,4.8
1942,4.6,3.8,9,11.2,15.5,19.9,23.9,23.3,19.3,14.9,8.7,6.4
1943,6.2,5.4,8.1,12,16.1,21.3,22.7,23,18.8,13.1,7.4,6
1944,4.5,3.6,7.7,11.6,15.7,20.3,23.5,24.1,20,11.8,8.1,4.6
1945,2.5,6,8.6,13.3,16.8,21,24.5,23.3,21.4,14.3,10.5,7.2
1946,4,6.2,8.1,10.4,12.8,19.3,25.3,24.8,20.7,14.8,7.4,4.6
1947,3.2,5.3,8.3,10.9,12.8,20.1,25.1,24.2,19.9,12.7,10.4,4.8
1948,3.5,7.4,10,11,14.3,20.4,23.2,23.5,19.7,14.3,9.5,6.8
1949,5.4,5.8,7.9,13,14.5,20.3,25,25.3,20.4,14.8,9.5,6.4
1950,5.3,6.9,8.7,10.8,14.7,20.3,25.5,24.2,20,14.7,10.5,4.8
1951,4.6,5.2,8.1,10.5,12.2,19.7,23.8,22.2,19.3,12.3,8,6.9
1952,3.7,5.6,9.8,11,14.9,20.6,24.1,22.6,17.3,13.7,8.9,5.2
1953,4,5,7.6,11.1,16.1,18,23.8,24.4,19,12.9,10.1,7.8
1954,4.2,4.5,7.4,9.6,14.5,18.5,23.2,22,19,14.1,10.2,6.7
1955,7.2,6.4,7.4,11.8,16.9,20,24.6,24.3,20.1,13.9,9.1,7.6
1956,5.4,2.6,7.8,9.8,14.6,18.8,22.5,22.2,18,13.7,7.3,4.3
1957,4.1,6.9,9.9,10.2,13.7,18.2,23.9,23.9,20.2,13.2,8,4.3
1958,5.1,7.8,8.3,9.8,15.9,18.3,22.9,22.8,20.4,13.6,8.8,6.6
1959,6.2,6.3,9,11.3,14.5,19.5,24.8,23.1,19.3,14.5,9,5.8
1960,5.2,6.6,8.9,11.1,15.4,21,24.2,22.8,19.3,11,8.3,4.5
1961,4.9,7.9,9.4,11.7,16.9,20.3,24.9,24.5,21,13.9,8.7,6.5
1962,6.2,6.3,8,11.3,15.3,19.7,24.2,24.6,21.2,15.3,7,4.7
1963,5.1,5.2,8.1,10.6,14.6,18.7,24.3,22.7,18.5,14.6,9,5.6
1964,5.4,6.9,8.2,10.2,17.3,19.7,24.5,24.1,22.4,13.4,8.6,5.3
1965,5.4,4.9,8.7,11.1,16.5,20.7,23,23.4,17.1,13.7,8.5,6.1
1966,6.9,7.7,8.3,11,15.9,19.6,23.8,23.5,20.7,12,6.4,5.4
1967,4.9,6.3,9.6,9.8,14.1,18.7,24.5,24,18.2,15,9.4,4.7
1968,5.1,6.5,8,10.5,14.3,19.7,24.4,22.9,18.2,14.9,8.7,5.6
1969,6.2,5.3,8.3,11.1,14.8,18.2,24.6,23.5,17.1,14,8.5,4.6
1970,5.9,6.2,7.2,10.6,14.8,18.6,23.9,23.3,20.7,13.4,10.4,3.9
1971,4.7,6.4,6.1,9.9,12.6,17.6,23.7,23.2,20.1,15.9,7,5.7
1972,4.4,6.6,7.4,10.2,13.1,17.9,22.9,22.8,17.3,12.8,9.2,5.5
1973,5,5.6,7.1,10,14.9,19.4,23.2,24.6,19.6,13,9.5,4.5
1974,5.7,5.5,9.2,8.4,15,18.9,24.4,23.4,19.3,11.9,8.5,6
1975,5.9,6.7,6.9,10.2,13,18.2,24.2,24.4,18.1,14.2,8.1,5.6
1976,5,6.8,8.6,8.9,15.1,20.8,24.2,23.1,17.6,11.3,6.3,5.8
1977,5.4,6.6,9.2,11.1,13.4,16.8,21.3,21.2,19.7,14.1,11.3,7.2
1978,5.5,7.4,9.1,10,13.4,17.5,21.7,24.1,20.5,14.2,9.4,7.5
1979,7.7,7,7.9,10.1,14.7,20.6,24.9,23.7,17.4,13.2,8.4,6.4
1980,5.1,7.2,8.6,10.5,14,19.3,22.9,24.3,21.7,13.9,8.7,5.3
1981,4.5,5.7,9.6,10.3,14.4,20.7,23.8,22.9,19.8,14.2,11.2,7
1982,6.1,7,8.8,11,15.3,21.6,23.5,23.5,19.8,12.9,8.5,5.7
1983,5.5,4.9,9.3,10.7,13.6,20.8,23.4,22.4,21.8,15.9,11.1,6.6
1984,5.5,5.9,6.6,12.8,11.8,18.6,24.9,22.8,19.7,13.2,9.1,6.8
1985,4.2,8.1,7.8,11.8,14.2,20.6,25.5,23.9,22.3,16.1,9.1,5.9
1986,5.3,6.3,8.2,9.1,16.9,20.1,25,23.5,21,15.5,9.7,6
1987,5.1,6.7,9.9,12.5,15.2,20.6,24.6,24.8,21.9,14,9.5,7.3
1988,7,6.7,9.3,11.8,14.9,19.2,24.4,25.4,20.6,15,10.3,5.8
1989,5.9,7.3,9.6,10.6,16.5,21.4,26.6,25.6,20.1,15.6,10.5,8.3
1990,6.2,8.1,9.8,10.6,16.3,20.8,26.5,25.7,22.6,14.4,9,5.3
1991,5.6,5.8,9.1,10.6,14.8,21.3,26,26.2,21.7,12.9,8.6,6.7
1992,4.9,6.2,8.7,11.8,16.8,17.4,25.2,25.2,20.2,12.6,9.5,6.9
1993,5.2,6.3,8.7,10.6,14.8,20.6,24.9,25.3,17.6,11.5,8.7,6.1
1994,5.2,6.8,10.5,10.9,15.2,21.1,26.6,25.2,18.5,14.5,10.6,7
1995,6.3,7.8,9.3,12,17,20.4,25.3,24.8,17.5,16.1,10.8,7.9
1996,7.5,6.5,8.7,12.1,14.9,21.7,24.8,23.4,18.1,13.9,9.3,6.5
1997,6.6,8.3,10.7,13.2,15.8,19.3,23.6,24.6,21.4,16.4,9.8,6.7
1998,6.8,8.1,10.3,11,15.1,20.8,25.9,26.1,20.2,13.3,9.6,5.8
1999,5.6,6,9,12.3,16.4,21.3,25.4,24.3,19.7,14.9,8.1,6
2000,4.9,8.7,9.8,10.5,16.6,22.4,24.5,24.4,20.2,13.4,8.5,6.8
2001,6.7,7.6,10.9,12.2,15,21.9,24,25.1,20.4,15.9,8.2,5.2
2002,6.4,7.5,9.5,11.4,15.3,21.3,24.6,23.2,19.4,14.3,9.4,7.8
2003,5.7,6,9.8,11.5,16.7,23.2,24.9,26.4,20.8,14.4,9.7,6.5
2004,6.9,7.2,8.3,10.9,14.2,22.3,25.5,24.4,21,15.2,9.1,6.6
2005,4.8,4.7,8.5,11.9,17.1,22.2,25.6,24.4,19.2,14.7,8.3,5.7
2006,5,5.9,9.1,12.5,17,20.6,25.6,23.4,19.7,15,10.2,6
2007,5.3,8.4,8.8,11.5,15.5,19.9,24.8,24.5,20.4,14.5,8.9,6.3
2008,6.8,8.2,9.3,12.2,14.5,20.4,25,25.2,19.8,14.5,7.6,5.2
2009,4.9,6.1,9.5,10.7,16.7,21.2,25.2,26.2,20.2,15.7,10.8,6.3
