1901,6,3.3,7.3,10.8,11.7,17.2,19.2,19.3,17.6,12.1,8.5,6.2
1902,5.1,7.3,9.2,11.9,11,15.2,19.2,19.6,17,12.6,10,8
1903,6.4,6.7,8.5,8.6,12.6,14.8,17.8,19.2,16.4,14,8.5,6.2
1904,4.9,7.2,7.3,10.2,14.4,17.3,20.4,21.4,16.1,12.6,8.3,8.2
1905,5.2,5,9.3,11.3,12,16.3,19.7,19.7,17.1,11.7,9,6.5
1906,6.6,5.6,7.3,9.6,11.6,15.5,18.7,20.4,17.3,13.5,8.5,6.8
1907,6,5.2,6.7,9.4,11.8,15.4,17.5,20.4,17.1,13.7,10.6,9.2
1908,6.8,6.3,6.9,8.3,14.3,15.6,18.3,19,17.1,14.3,10.6,7.4
1909,4.6,3.8,6.9,9.6,11.8,14.2,16.3,18.7,14.6,13.5,8.6,8.4
1910,6.6,7.4,8.5,9.9,12.3,16.4,18.4,19.5,16.6,14,10.1,8.4
1911,4.7,5.9,9.2,9.6,13.3,16.9,20.7,22,19.4,15,10.7,9
1912,7.8,8.9,10.1,10.5,14.2,16.2,19.4,19.2,15.2,13.3,7.8,6.6
1913,7.4,6.7,8.7,9.6,13.3,16.6,18.6,20.3,17.9,14.9,11.7,7.4
1914,5,7.9,10.3,10,13.5,15.3,19.2,19.2,17.4,13.3,8.8,7.4
1915,6.5,6.1,8,9.6,13.9,17.4,19.5,19.6,16.3,12.1,9.4,8.8
1916,6.5,7.3,7.9,10.5,13.3,15.3,18.9,20.2,16.1,13,9.2,7.7
1917,5.4,6.5,7.1,8,13,16.1,18.5,18.8,18.1,11.3,8.3,4.8
1918,4.9,4.9,6.8,8.6,12.4,14.7,18.4,19.1,18,10.8,9.4,8
1919,5.1,7.4,7.9,9.3,12.1,16.7,17,19.4,17.7,11.1,7.4,6.2
1920,5.4,6.8,7.8,10.7,15.1,16.7,19.9,18.6,16.9,13.4,8.6,6.4
1921,5.7,6.7,7.2,9.2,14.2,16.5,20.2,20.5,20.9,16.6,9.2,7.6
1922,4.5,7.4,8.7,9.8,12.2,15.7,19.9,20.4,16.7,15.2,9.1,6.6
1923,6.6,6.5,9.1,11.5,15.1,16.9,18.2,20,15.8,13.7,8.6,6.5
1924,6,4.7,7.5,10.2,14.9,16.9,19.9,19.4,17.9,13.6,9.8,6.3
1925,4.2,5.3,5.8,10.3,12.6,17,18.3,19.5,15.9,13,8.5,6.1
1926,6.2,7.1,8.9,10.7,12.5,15.3,18.7,19.4,19.1,15.6,10.5,6.1
1927,5.9,5.8,9.3,10.3,14.4,17.3,19.6,20.5,17.6,13.6,9.7,8.4
1928,6.1,6.7,9.7,10.3,12.2,17.2,20.6,21.3,19.1,14.8,9.7,6.7
1929,4.1,5.4,8,9.8,13.6,17.5,20,19.2,19.2,14.1,9.8,7.9
1930,7.5,5,9.1,10.6,13.8,17.8,19.8,20.3,17.9,15.4,10.8,9
1931,6.8,4.8,8.9,9.3,12.8,17.2,18.9,19.4,15.8,13.3,10.6,7.1
1932,6.1,4.3,10,9.8,13.5,16.7,18.8,21.3,19.7,14.2,10.8,9.2
1933,5.8,6.2,9.2,11.1,14.6,15.7,19.7,20.7,19.8,15.2,8.5,5
1934,4.6,4.7,7.5,10.2,13.9,17.7,20.7,19.5,17.8,13.5,8.1,8.9
1935,4,5.6,7.3,8.8,11.5,16.8,20.3,20.3,18.8,13.4,9.1,7.6
1936,6.9,7.6,8.8,11.3,12,14.7,18.4,18.1,18.5,10.7,9.5,6.3
1937,6.5,8.3,7,9,12.4,18.5,19.1,19.5,16.8,13.4,11.2,6.5
1938,3.8,3.5,5.7,9.9,12.9,19,19.8,20.2,18.5,15.3,11.7,8
1939,8.8,7.9,8,10.7,12.5,16.1,18.9,20.1,18.4,15,11.4,8.2
1940,6.4,9.1,10.2,10.9,13.6,15.9,18.5,19.9,18.4,13.1,9.7,5.4
1941,6.7,7.8,9.3,10,11.6,15.5,18.9,19.1,17.4,12.5,8.6,6
1942,5.1,4.6,9.4,10.9,13.9,17.2,19,19.8,18.3,16.2,10.4,8
1943,7.7,6.7,9.2,11.7,14.1,17,20.1,20,19.4,14.4,9.5,8.5
1944,5.3,6,7.9,11,14.6,17.4,19.9,21.4,19,12.4,10.2,7
1945,4,6.3,8.6,11.1,14.2,18.5,21.4,20.2,19.3,14.8,11,9.2
1946,6.4,6.8,9.8,13.5,14.7,16.9,19.1,20.7,18.8,15.8,9.7,7.2
1947,5.9,7.8,10.5,11,14.7,18.9,20.3,20.8,19.1,15.5,10.8,6.9
1948,7,6.9,9.1,12.1,14.7,17.4,18.6,20.9,17.9,15.1,10.4,8.9
1949,7.8,6.9,7.9,11.3,12.5,17.4,20.1,21,20.6,15.2,10.5,9.1
1950,6.7,7.9,7.8,9.5,14,18.5,21.2,21.7,17.9,15,11.5,7.4
1951,6.3,6.5,8,8.6,11.8,16,19,18.7,18.3,13.2,10.8,8.6
1952,5.6,5.6,9.4,10.7,13,17.9,20.6,20,17,14.6,9.8,7.8
1953,3.6,4.6,7.2,10.4,14.1,16.2,19.6,19.9,18.3,14.7,11.3,10.3
1954,5.3,5.4,9.1,9.7,12.6,16.9,17.8,18.1,17.3,13.6,11.1,9.6
1955,10.5,8.3,7.6,10.4,14.3,17,20.2,20.4,17.2,13.6,10.1,10
1956,8.1,2.3,8.2,9.9,13,15,18.3,20.4,18.3,13.3,7.8,6.7
1957,4.8,8.2,9.1,10.3,12,15.7,19.1,20,17.6,14,10.1,7.6
1958,6.5,6.9,8.8,9.3,14.3,17.2,18.8,20.2,19.3,13.9,10.5,10.6
1959,6.8,7.8,10.5,11.5,13.6,16.7,19.9,20,19,14,9.6,8.7
1960,6.7,6.7,8.9,9.3,11,15.8,19.8,20.8,17.4,13.5,10.7,7
1961,6.7,8,7.7,11.5,13.1,17.1,19.3,20,20,14.2,10.6,8.4
1962,7.8,5.3,7.4,9.3,12.6,15.6,20,20.7,19.2,15.7,8.5,5
1963,5.1,5.3,6.9,9.3,11.5,16.1,20,19.9,17.3,13.3,11.5,8.1
1964,5.9,7.4,8.1,9.3,14.4,17.4,20.7,21.1,19.8,13.6,10.8,7.9
1965,6.8,4.4,8.1,9.6,12.6,16.3,19.6,20.1,16.4,16.4,11.2,9.7
1966,8.7,9.4,7.5,11.6,13.4,16.8,18.8,20.4,18.3,14.7,8.2,7.9
1967,6.1,7.6,9,9.3,13.4,15.6,20.2,20.8,18.8,16.5,12.5,7.3
1968,6.4,7.4,8,11.1,12.9,15.7,20.2,20.3,18.4,15.4,11.3,9.2
1969,8,5.4,9.1,10.7,13.9,15.4,19.1,20.3,17.3,14.8,10,6.9
1970,7.7,6.1,6.3,8.9,12.1,17.4,18.8,20.3,19.3,13.3,10.8,7.4
1971,6.3,6,5.5,10.7,13.7,15.6,20,22.2,18.7,14.5,8.3,8.5
1972,6.2,7.7,8.4,8.1,11,15.8,19.3,18.8,15.9,13.5,11.3,8.4
1973,7.1,5.5,5.7,7.8,13.6,16.7,19.4,20.1,17.7,12.8,9.9,7.5
1974,7.4,6.4,8.4,8.6,12.3,16.1,18.3,19.8,17.7,10.3,8.9,7.5
1975,6.7,7.2,6.7,8.6,11.7,15.2,19.4,20.1,17.3,12.8,8.2,7.6
1976,4.8,6.5,7.5,9.1,12.8,16.6,19.7,19.5,16.5,12.4,7.2,8.5
1977,6.9,7,8.1,8.9,11.7,14.8,17.8,17.8,16.1,14.8,10,8.6
1978,5.1,7.7,7.3,8.8,11.5,15.3,17.5,19.4,17.9,13.1,9.6,10.2
1979,8.6,7.5,7,7.8,11.8,17,18.7,19.6,17,14.4,8.4,7.8
1980,6.4,7.3,7.6,7.7,11.6,15.6,16.9,19.7,18.2,13.1,10.2,5.5
1981,5.6,4.5,8.7,9.7,12.2,16.5,17.2,19.3,17.9,14.3,10.6,9.3
1982,8.3,7.3,7.1,9.1,12.4,17.5,21.3,20.4,18.2,14.6,11.5,8.2
1983,5.6,4.9,7,9,12.5,16.8,20.5,20.4,18.6,15,13.1,8.1
1984,6.3,5.7,6,9.2,10.6,14.8,19.4,18.9,16.2,13.2,12,7.4
1985,4.4,7.7,6.4,9.7,11.3,16.8,20.4,19.3,18.4,15.4,10.1,7.3
1986,5.3,5.2,6.5,7.3,12,16.2,19.6,20.8,19,15.1,9.6,7.3
1987,4.5,7,7.6,10.2,10.8,15.7,20,20.2,19.8,16.5,10.3,9.3
1988,9,5.2,6.5,9.6,12.8,16.2,19.4,20.6,16.8,15.4,10.7,6.9
1989,5.3,5.9,8.3,8.7,13.3,16.9,21.3,22.3,18.4,14.7,12,10.7
1990,7.3,9.3,9.1,9.5,13.9,17.2,20.3,21.2,19.9,15.7,10.9,5.8
1991,6,5.7,9.1,8.2,10.5,16.1,20,21.7,20,13.7,10.5,8.5
1992,4.2,5,7.9,8.8,13.6,14.7,19.3,20.3,17.9,12.9,10.7,8.7
1993,5.6,5.6,7,8,13.4,17,19.3,20.4,16.7,13.5,10,8.3
1994,6.9,6.5,9.3,8.4,13.9,17.4,21.7,22.7,17.7,15.5,12.4,8.4
1995,6.4,7.8,7.2,8.6,13,17.2,20.6,21.4,17,15.8,11.6,9.6
1996,10,6.3,8,10.4,12.2,16.9,19.5,20.6,16.3,13.4,10.6,9.1
1997,8.8,7,9.1,10,13.9,17.2,19.6,21.2,19.3,16.4,12.1,9
1998,7.5,7.2,8.1,8.8,13.3,16.8,19.9,20.6,18.4,12.6,9.3,6.5
1999,6.8,5.6,8.5,9.3,14.1,17.4,20.6,22.5,19.2,16.3,9.1,7.7
2000,4.3,7,8.6,9.9,14.8,17.2,19.8,20.6,18.5,14.4,10.9,9.3
2001,7.4,6.4,10.1,10.1,13.8,18.7,20.5,22.1,18.5,16.8,9.7,5.8
2002,5.3,6.7,9,10.5,12.5,17.1,19.5,19.6,17.6,14.6,11.6,9.2
2003,5.8,5.5,8.2,9.9,13.4,19.7,22.7,22.7,18.7,15.2,11.2,8
2004,6.7,6.5,7.8,9.5,12.2,17.9,20.2,22,18.9,16.1,9.2,8.7
2005,4.5,4,7.3,10.1,14.3,19,21.5,20.7,17.7,15.7,9.6,5.5
2006,5.8,5.3,8.2,11.8,14.6,18.2,22.7,20.4,18.3,16.5,12.2,7.8
2007,6.9,8.1,7.5,10.9,13.5,17.1,19.4,19.7,17.6,14.4,9,7.3
2008,7,7.6,7.5,9.8,13.8,17.3,20.5,20.5,18.2,15.3,9.7,7.6
2009,6.7,5.5,7.4,9.2,13.9,18,21.4,21.5,18.2,15,11.4,8.5
