1901,4.5,4.4,7.1,9.5,10.8,15.8,19.2,19.3,17.7,13.4,9,7.3
1902,5.3,6.5,6.7,9.7,10.3,14.7,19.4,19.5,17.9,13.9,9.3,6.5
1903,5.6,4.6,6.8,7.5,12.2,14,17.9,19.4,16.8,13.7,8.6,7.4
1904,5.3,6.5,6.8,9.3,13.1,16.9,20,19.3,16.3,12.3,7.5,6.3
1905,3.1,2.7,6.9,9.3,11.5,14.6,19.6,20.1,18.1,11.8,10.1,7.3
1906,5.4,3.4,6.6,7.8,10.8,15,18.6,19.7,16.7,12.4,9.9,5.4
1907,3.8,3.1,3.8,7.4,12.8,15.2,18.6,19.9,16.9,14.7,10,7.5
1908,5.6,4.4,6.3,7.1,14.3,13.8,18.7,19.2,15.6,13.3,8.7,5.7
1909,4.6,3.2,6.7,8.7,12.3,15.6,17.4,18.7,16.6,13.5,8.6,8.5
1910,5.3,5.3,6.2,8.9,11.1,15.1,17.5,18.6,14.8,14.4,8.9,8.1
1911,4.2,3.3,6.8,8.3,11.7,16,19.3,20.8,17.5,14.6,11.1,8.8
1912,6.3,7.2,8.2,7.8,12.2,15.7,20.1,19,14.8,13.9,8.1,6.7
1913,7,5.1,7.7,9,12.6,17,18.4,19.5,19.4,14.9,11.5,7.8
1914,4.7,5.9,7.7,10.2,13,15.5,19,18.7,16.6,12.3,8.7,7.2
1915,5.7,4.7,7.1,8,12.6,17,19.8,19.7,15.8,12.8,10,9.3
1916,5.6,6.1,8,9.1,13.2,18.1,20.6,19,16.8,13.1,9.7,8.2
1917,5.6,5.2,6.8,8,12.6,17.6,19.4,21.1,18.2,13.4,8.8,5.3
1918,4.9,4.3,6.3,8.6,12.2,14.9,18.8,18.2,18.8,12.9,9,7.2
1919,5.7,6,6.4,8.5,10,16.5,18.6,19.6,17.7,13,9.6,6
1920,6.2,6,7.3,9.9,14.3,16.9,20.5,19.8,17.6,14.3,9.5,7.6
1921,6.4,5.3,6.8,7.9,13.5,15.4,20.4,20.2,17.9,14.2,9.3,7
1922,5.6,6.3,8.7,9.9,13.2,17.7,19.6,21.2,17.8,14.3,8.6,5.8
1923,4.6,5.6,6.5,8.9,13.2,14,19.1,19.6,17.2,13.6,11.3,7.1
1924,4.7,5.2,7,9.8,14.6,17.8,20.2,19.6,19.5,14.3,10,7.8
1925,5.2,5.6,6,8.9,12,16.8,19.1,20.4,17.9,13.9,10.7,6.6
1926,6.1,7.1,7.1,9.4,11.8,15.2,18,18.4,18.7,15.3,13.3,7.1
1927,5.7,4.4,8.1,9.2,13.7,18.9,20.9,21.1,18.5,13.3,11.6,8.6
1928,6.6,5.3,7,10,12,17.3,21.1,22,19,15,10.1,6.3
1929,3.9,2.7,6.3,9.2,13.5,17.3,20.3,19,17.8,13.1,10.3,7.3
1930,7,5,7.8,9.2,12.3,17.7,20.4,19.3,16.7,12.9,9.7,7.8
1931,6.8,4.7,8,8.4,12.3,18.2,20.6,20.6,16.8,13.2,10.9,6.8
1932,5.6,3.8,6.8,8.2,12.2,14.9,18.6,19.4,19.5,16.2,11,9.3
1933,5.9,6,6.8,9,11.4,13.8,18.5,19.1,17.3,15.2,11.3,7.6
1934,5.5,5.2,7.2,10.1,13.1,16.5,19.6,19.6,17.4,14.1,11.5,8.7
1935,3.7,5.2,5.6,8.4,11.3,16.9,19.8,19.7,17.7,15.3,11.7,7.7
1936,8.3,6.3,7.9,9.3,11.2,14.6,19.1,18.7,17.3,12.5,9.8,7.2
1937,6.4,6.8,7.4,8.5,12.1,17.3,18.4,19.5,17.2,14.5,11.2,6.7
1938,5.3,4.3,6.1,6.9,10.7,16.5,18.9,19.7,16.8,14.4,10.8,8
1939,7.1,6.5,5,8.7,10.4,14.8,20.1,19.6,17.2,14.8,10.5,7.7
1940,5.3,6,6.5,8.1,11.4,13.3,17,17.8,16.9,14.1,10.6,4.8
1941,6.1,6.3,7.7,7.5,11,16.2,19.9,19.8,15.4,12.6,9.1,5.6
1942,3.3,4.2,7.8,9.9,13.4,16.7,19.4,18.7,18.1,14.6,9.8,8.7
1943,5,5.8,7.3,9.4,13.3,15.9,20,20.7,19.6,14.8,10.4,8.5
1944,5,3.8,4.7,9.1,13.4,17.3,19.2,20,18.7,13.4,9.3,7
1945,3.5,4.5,6.2,10.4,15,18.8,21.2,20.4,17.4,11.9,9.1,6.8
1946,5.4,4.9,6.5,9.1,12.2,16.5,19.6,20.4,19,14,10.8,6
1947,4.5,6.4,9.2,9.6,12.3,17.5,21,20.5,18.4,13.8,11.2,6.6
1948,6.6,5.5,6.6,9,13.1,16.3,18.4,19.8,16.7,14.6,9.5,6.6
1949,6.2,5.3,5.1,9.3,12.9,16.5,19.3,19.2,18.1,14.6,9.6,8.1
1950,4.6,4.6,7.1,9.5,14,18.3,20.6,20.1,18.2,13.8,9.7,7.2
1951,6.3,6.1,6.9,8.2,12,16.5,19,19.5,17.3,11.9,10.4,6.3
1952,5,3.5,6.5,9.4,12.4,18.1,21.1,21.1,18.5,14.4,9,7.1
1953,3.3,3.6,4.4,9,12.1,15.2,19.3,18.4,17.3,14.1,8.8,8.2
1954,3.8,4.3,7.4,7.5,10.8,16.5,17.7,17.7,17.3,11.3,8.8,6.9
1955,8.5,7.4,6.8,7.5,13,16.6,19.8,18.9,16.5,12.7,9.2,8.3
1956,7.4,3.4,6.1,8.4,12.3,15.3,19.3,20.4,18.9,12.9,9,6
1957,5.6,6.6,5.7,8.2,11.4,16.8,19.1,19.9,17,14.7,10.3,6.9
1958,5.6,6.3,6.5,7.6,13,16.5,19.1,20.4,17.5,14.1,11.4,9
1959,5.3,5.3,8.1,8.6,12.4,15.7,19.4,19.8,17.9,12.2,9.9,7.9
1960,6.1,7.1,7.8,8.1,13,16.5,18.3,18.8,16.5,14.8,10.7,8.5
1961,6.3,5,5.8,9.7,12.3,16,19.2,19,17.2,13.4,10.9,7.1
1962,6.8,3.8,7.9,8.4,11.8,15.2,18.3,18.9,17.7,14.6,10.6,5.9
1963,5.8,5.4,5.7,8,11.7,15.4,19.2,19,17.1,12.1,10.2,8.9
1964,4.9,5.7,8.2,8.6,12.2,16.4,18.9,18.7,15.9,12.8,9.8,6.8
1965,6.6,3,6.1,7.5,10.8,14.7,20.7,19.4,17.7,14,11.4,7.9
1966,6.6,6.4,6,9,12.6,16.5,18.5,18.8,16.5,14,8.7,7.2
1967,4.5,5.8,6.3,8.7,11.9,14.8,19.3,20,17,14.2,11.2,6.7
1968,4.9,6.3,5.6,9.1,13.4,16.6,19.5,19.5,16.8,12.9,10.8,8.6
1969,5.1,5.5,8.6,8.3,13.3,15.6,18.4,19.5,18.1,14.4,11.5,6.3
1970,7.4,5.9,6.3,8.7,11.3,16.7,18.4,19.5,17.4,12.3,9.4,7.7
1971,6.6,5.9,5.5,9.3,12.6,14.9,18.5,20.5,16.2,11.6,8.5,5.5
1972,6,6.7,7.8,8.9,11.2,16.1,17.9,17.9,17,11.8,8.7,8.4
1973,7.4,5.4,5.8,7.7,12.4,17.3,19.9,19.4,17.7,13.5,9,8.7
1974,6.5,5.4,7.8,8.7,11.9,16,18.7,19.5,17.3,12,8.6,5
1975,4.1,5,7.3,8.1,12.5,15.2,18.4,18.6,17,12.2,9.6,7.2
1976,5.5,5.8,6.1,7.2,12.8,15.2,19.2,18.6,15.5,14.1,9.7,8.6
1977,7.2,6.6,7.1,8.1,12.7,15.1,19.3,18.2,16.3,11.7,10.2,6
1978,5.6,6.3,6.4,8.6,11.5,15.6,17.7,18.5,15.9,12.9,7.9,8.7
1979,6.8,7.5,6.8,8.3,11.3,16.5,19.4,19.2,16.7,14.8,9.2,6.9
1980,5.3,5.5,7.7,7.2,11.5,15.1,17.7,20,17.4,13.9,11.1,5.7
1981,4.7,4.5,7.7,9.1,12.6,17.3,19.2,19.2,18.4,15,7.9,8.8
1982,8.5,5,6.2,8.5,12.1,18.3,20.4,20.3,18.8,15.4,11.7,7
1983,4.1,3.9,6.3,8.6,12.2,15.3,20,20.6,17.5,13.3,11.5,6.5
1984,6,4.6,6.5,8.8,13.5,16.3,20,20.3,17,14.8,12.2,8.7
1985,6.9,7.3,7.5,10.2,13.4,17.3,19.9,20,17.9,14,11.8,8.3
1986,6,5.9,7.3,9.2,13.6,16.4,19.6,21.4,17.9,15,10.7,6.4
1987,6.3,6.9,4.8,7.6,11.5,16.2,21.2,21,19.1,16.9,10.9,8
1988,8.2,7.4,6.7,9.8,13.9,16.7,20.7,21.5,18.1,14.9,10,8
1989,5.5,6,8.4,9.8,12.2,16,20.6,20.9,18.4,12.9,10.7,9.4
1990,7.1,6.7,6.7,9.1,13.5,17.1,17.8,19.9,18.2,16.9,11.4,6.2
1991,5.7,5.9,9.3,8.2,10.2,15.8,19.2,20.7,19,15.3,9.8,5.3
1992,5.4,5,6.9,8.7,12.7,16.1,18.6,20.6,17.9,15.6,10.8,9
1993,5.3,4.2,5.3,8.3,12.7,17.2,19.4,20.7,17.9,13.8,10.9,7.6
1994,6.9,6.3,6.2,8.5,13.4,16.6,20.9,21.6,18.9,15.3,11,7.1
1995,5.4,6.1,6.2,7.6,12.3,17,20.6,21,17.4,13,9.8,9.5
1996,7.9,6.3,7.2,8.9,13.2,16.8,19.3,20.9,16.9,13.1,10.8,8.2
1997,7.6,4.8,6.3,6.9,12.7,18.5,19,19.8,18,14.7,11.7,8.2
1998,5.9,5.5,5.7,9.5,12.7,17.3,19.7,20.4,17.4,14.1,8.6,5.1
1999,5.2,3.5,6.1,8.6,13.9,17.7,19.6,21.6,19,15.4,11.5,8.9
2000,4.6,4.9,7.5,10.1,15.2,17.8,20.1,20.4,18.3,14.8,11.8,8.6
2001,8.3,6.3,9.2,8.9,14.3,16.8,20.3,20.9,18.3,15.9,11,5.4
2002,4.2,7.4,8.4,9.2,13.8,17.6,20.4,20.1,16.8,13.5,11.8,7.7
2003,7.2,3.7,5.4,9.4,14.1,17.6,21.9,21.3,17.9,15.9,12,7.5
2004,5.4,5.6,7.5,9.7,11.8,16.4,19.7,20.3,17.2,14.9,10.4,8.6
2005,4.3,4.1,6.3,9.2,14,17.9,20.7,19.9,18,14.7,10.4,6.8
2006,6.1,5.9,7.3,9.3,13.8,16.4,20.5,20,17.7,14.6,9.8,8.4
2007,7.1,7.3,8.3,10.3,13.3,17.7,19.7,20.7,17.5,14.6,10.3,6.9
2008,7.6,4.5,7.6,10.8,14.6,17.2,20.7,20.5,17.9,14.8,10.9,7.8
2009,8.1,4.8,7.8,10.7,14.1,17.4,20.7,22.2,19.3,14.2,10.6,8.9
