1901,4.7,6.5,7,7.4,12,14.3,19.7,20.4,15.2,12,8.8,4.1
1902,3.7,5.3,5.3,8,11.9,15.2,18.9,19.8,16.9,12.1,7.6,4.3
1903,3.3,2,6.6,8.4,11.9,14.3,19,20.3,17.9,11,7.6,3.7
1904,4.5,4.5,6.4,8.7,11.2,16.5,19.6,21.1,17.5,13.8,8.3,4.9
1905,5.9,5.8,7.5,7.5,11.4,14.5,18.7,19.8,16.3,11.8,8.5,3.8
1906,3.6,7,8.4,9.7,12,16,20.8,20.5,17.3,12.3,8,6.2
1907,4.6,7.1,8.3,9.6,11.7,14.6,20.7,20.1,15.9,14.6,8.2,4.9
1908,4.4,5.3,8.3,9.7,12,16.1,20.8,21,17.7,11.7,7.3,4.4
1909,7,5.8,6.8,10.1,11.8,17.3,21,23.1,19.4,12.9,8.7,4.3
1910,3.9,4,8.5,11.1,14.7,16.5,22.8,22.3,20.7,15.4,9.6,5.1
1911,5.8,5.4,9,9.9,12,16.4,21.8,20.5,20.2,12.9,8.2,1.9
1912,4,4.6,7,8.9,13.1,17.6,20.5,20.1,17.4,13.6,9.1,2.9
1913,1.6,5.9,4.9,9.5,12,16.2,20.4,22.4,19.9,13.1,11.9,5.1
1914,5.1,6.1,8.4,10.8,13.6,17.9,21.8,21.6,20.1,14.5,11.1,5.4
1915,3.6,4.5,6.9,9.1,11.3,15.5,19.8,21.4,16.9,12.3,7.2,4
1916,4.3,6.1,8.3,9.8,11.4,14.7,19.3,19.4,17.3,10.8,5.7,2.7
1917,3,4.4,4.8,8.1,10,14.8,20.4,20.8,18.6,13.7,8.5,5.4
1918,3.3,4.6,8.6,10.2,12,18.6,20.2,20.6,19.6,14.6,7.8,4.5
1919,4.6,4.9,6.2,10.7,13.7,17,20.3,22.1,18.3,11.8,7.4,5.4
1920,5.6,7.5,6.9,9.1,13,16.4,21.3,21.1,17.2,12.1,7.9,3.4
1921,4.2,6.8,9.8,9.3,12.5,17.7,23.5,23,18.7,16,9.2,7.9
1922,3.9,5.2,6.9,8.6,13.7,18.4,23,23.2,21.3,13.3,6.4,6.8
1923,5.8,6.1,6.4,10.4,14.2,14.2,21.8,22.1,18.3,11.8,9.9,6.5
1924,3.4,8.2,6,10,14.9,18.8,21.6,21.6,19.7,10.7,8.3,4.6
1925,3.7,7,8.4,10.7,14.9,17.5,22.5,22.3,17.6,13.8,8.2,7
1926,3.2,7.3,10,13.4,14.4,18.1,21.3,22.5,20.6,14.7,9.5,5.8
1927,5.8,8.5,7.7,10.6,13.4,16.9,22,22.9,18.9,14.5,11.3,5.9
1928,5.8,6.9,9.4,10.5,16,17.4,21.4,22.5,20.2,14.2,9.6,6.1
1929,3.6,4.8,7.9,9.9,14.7,16.8,23.1,23.9,19.7,15.5,7.7,6.7
1930,6.5,9.1,9.6,13.6,12.4,17.1,22.3,21.7,18.3,13.5,10,4.3
1931,4.8,8.2,9.8,13.7,16.5,17.3,24,23.5,19.2,14.2,8.4,5.9
1932,3.8,7.4,10.2,11.8,15.1,17.6,22.4,23.2,21,14.9,10.8,5
1933,4.6,4.7,8.5,10.7,12,17.5,22.8,23.6,21.5,17.4,9.9,6.3
1934,5.8,9.1,10,13.8,17,16.7,22.7,24,19.7,14.9,9.8,8.5
1935,7.5,9,8.3,11.5,13.9,18.2,21.6,24,21.1,13.9,7.6,7.2
1936,6.3,8.5,10.4,12.5,16.3,19.2,22.3,24.4,19.4,14.8,10.5,7
1937,1.8,6.9,9.3,11.8,14.2,17,23.3,23.8,22.9,15.6,10.4,9.9
1938,8,8.6,8.7,12.4,15,17.7,21.3,23.6,21.6,14.6,7.3,8.6
1939,6.5,4.6,9.3,13,15.6,16.9,21.9,24.5,20.5,13.9,11.4,7.9
1940,7.6,7.6,9.9,12.2,16.2,19.3,20.9,22.7,20.1,15.7,8.9,9
1941,7,9.6,10.1,10.6,15.8,16.5,22.4,21.5,16.4,13.6,10,7.2
1942,6.9,5.6,7.8,11,13.1,16.4,22.9,22.4,17.6,14.2,9.3,6.1
1943,5.8,8.1,10.1,12,14.8,16.4,22,23.3,20.7,14.9,8.8,7.1
1944,5.3,5.9,8.5,9.9,13.7,14.8,20.2,22,20.2,15.1,9.9,7.4
1945,5.2,7,7.6,9.7,14,16.2,22.5,23.4,20.4,16.3,8.3,5.8
1946,5,3.9,8.5,12.6,13.8,17.3,22.5,23.9,20.5,12.6,8.6,7.1
1947,4.3,7.5,9.4,11.5,15.5,17.9,21.6,22.8,21.2,14.9,8.5,6
1948,6,5.8,6.4,11,12.7,16.2,21,22.6,19.4,15.5,7.1,4.5
1949,2.3,4.1,6.9,11.8,13.3,18.4,21.8,21,21.6,12.5,9.6,4.9
1950,2.8,6,7.9,11.6,12.2,15.7,22,19.6,17.6,14.7,10,6.3
1951,4.1,5.2,6.7,11,12.7,16.1,21.5,21.5,19.5,14.5,9.5,5.8
1952,4.1,5.3,6.7,10.9,14.4,15.2,20.7,22.4,19.8,14.4,8.1,4.9
1953,6.1,4.3,6.9,9.7,12.2,15.2,23.2,21.6,17.5,13.5,10.3,4.2
1954,3.6,7.4,7.8,11.1,14.1,16.8,23.4,21.8,19.7,14.1,9.7,5.9
1955,4.6,4.4,7.4,8.9,12.9,15.4,20.7,23.7,19.4,14.2,8.9,5.7
1956,5.5,3.1,5.7,9.6,13.8,17,21.1,19.6,19,13.8,8.7,5.1
1957,6.5,8.1,8.6,10.1,12.5,17.5,21.3,22.2,18,14.8,8.1,6.3
1958,4,7.5,8.2,11.4,15.5,18,20.6,23,19.6,16.3,9.2,6.5
1959,5.4,5.9,8.8,12.6,13.8,18.4,24.3,23.3,18.3,14.4,10.6,7.5
1960,4.1,5.4,8.5,10.6,13.3,17.8,21.4,22.6,19.8,14.1,8.6,4.1
1961,5.9,5.7,7.3,9.9,12.2,18,22.1,22.8,17.3,12,8.1,5.5
1962,4.6,6.7,6,11.2,12,16.1,20.1,21.6,19.9,13.4,9.6,6
1963,3.7,8.1,7.6,9.4,14.1,16.3,21,22.7,20.7,16,10.4,5.2
1964,3,4,6.4,9.8,11.6,16.2,21.6,22.3,18,16.7,7.4,4.7
1965,5.1,4.6,7,9.7,12,14.3,19.7,21.4,17,13.3,10.6,6.3
1966,4.3,4.8,7.2,10.6,14.7,16.8,21.1,22.1,18.1,14.1,8.9,5.6
1967,3.3,5.1,7.8,8,12.5,15.4,22.5,23,21.3,14.9,11.7,5.6
1968,5.3,8.9,9.1,10.1,13.6,16.4,21.4,20.5,17.6,12.9,9,2.7
1969,8,6.2,7,10.9,13.7,16.4,21.8,23,20.3,12.3,11.5,6.9
1970,5.4,8.1,8.8,9.2,13.5,17.1,22.9,24.2,18.6,13,8.5,5.3
1971,4.2,5.5,6.7,9.2,11.6,15.6,21.3,23.7,18.2,12.6,7.1,4.4
1972,2.1,4.7,8.8,9.7,13,18.4,22.3,21.7,18.1,16.3,8.2,5.4
1973,4.1,7.4,7.8,9.2,13.3,17.2,20.5,20.7,16,12.1,8.1,4.9
1974,4.8,3.7,8.4,9.9,13.5,17.6,21.4,19.9,20,15.4,8.2,3.6
1975,3.4,4.4,7,8.3,11.8,15.6,21.5,20.1,19.3,12.5,7.5,5.1
1976,4.4,8,7.4,9.5,13.5,17.1,21.7,19.5,20,14.7,10.1,5.2
1977,5.6,5.4,5.9,9.4,12.5,17,21.7,23.1,18.9,15.4,9.2,8
1978,7.8,7.5,11.4,10.6,13.4,17.9,21.7,21.3,19.6,16,10,4.4
1979,5.2,4.1,7.7,10.2,14.3,17.7,20.3,20.1,19.7,12.7,7.3,5.5
1980,7.6,9.3,8.3,10.1,12.8,16.3,22.3,21.6,18,13.6,8.4,5.9
1981,7,6.8,8.6,12.3,15.2,20,23.2,23.2,20.3,13.5,9,6.7
1982,4.8,7.8,9.3,11.3,13.6,16.1,21.7,22.6,19.8,12.9,9.3,6
1983,6.9,7.8,10.4,10.3,14,17.3,21.9,23.7,23.5,16.9,10.3,7.8
1984,7.2,6.4,8.8,11.5,14.5,17.9,24.2,23.9,22.8,13.5,8.7,6.5
1985,5.9,6.2,8.8,12.6,15.3,18.6,22.9,22.2,18,15.2,9,6.8
1986,8.4,8,10.6,12.3,14.9,18.7,21.9,24.4,17,13.6,11.5,6.8
1987,5.7,7.3,8.3,13.3,15.5,18.4,19.9,21.6,17.6,16.8,9.6,4.7
1988,5.4,7.8,8.3,10.4,13.7,16.2,21.1,21.2,17.5,16,9,4.6
1989,4.6,5.7,7.9,13,13.3,17.8,21.3,21.3,19.2,13.8,9.3,5.5
1990,4.2,5.1,8.3,13.1,14.6,19,24,23.1,21.9,15.4,11.9,6
1991,7.2,9.3,7.5,11,13,16.5,20,22.6,21.3,17.9,12.3,8.5
1992,7.4,9.8,10.7,14.1,17.1,18.6,21.4,24.9,22.3,17.5,11.2,8.5
1993,8.6,8.3,9.4,11.2,15.5,16.3,20.9,22.4,19.5,16.1,9.3,6.5
1994,7.8,8.2,11,12.2,14.5,19.6,22,24.7,21,14.9,8.7,6.8
1995,7.7,10.4,10.9,11.5,11.7,16.7,21.1,24.7,23.2,14.9,12.2,7.6
1996,5.5,9,8.3,11.9,15.4,17.5,24,24.1,20.5,16.1,10.6,6.6
1997,6.7,6.2,9.2,11.1,15.5,18.1,20.3,23.4,22.1,16,11.2,5.7
1998,6.4,7.1,8.4,8.8,13.8,16.9,20.8,23.6,19.3,12.8,8.1,4.9
1999,5.2,6.3,8.1,9.1,13,16.6,21,21,18.3,14.6,9.7,5.2
2000,6.3,7.6,8,11.9,15,18.6,22,22.7,19.7,14.4,7.3,5.9
2001,7.3,5.4,8.7,10.1,15,18.3,21.6,21.9,19.1,14.9,10.8,4.8
2002,5.1,6.1,7.6,11.4,13.5,17.5,21.5,21.5,19.5,13.9,10.3,6.1
2003,7.4,8,9.2,10.5,14.1,17.3,22.4,23.1,19.6,15.9,9.6,6
2004,6.3,5.7,11.4,12.2,16,18.5,22.8,22.4,20.1,14.7,9.1,6.7
2005,7.4,8.9,9.8,11.4,15,18,22.4,22.2,19.1,14.9,10.1,6.8
2006,5.9,7.1,8.3,11.7,15.2,19.8,24.6,22.8,19.1,14.3,10.6,5.1
2007,4.2,6.7,9.3,11.1,14.4,17.6,22.4,23.6,19.6,14.5,11.1,5
2008,5.3,6,8.3,11,13.5,18,21.8,23,20,14.4,10.9,6.8
2009,7,6.8,9.4,11.4,15.5,18,22.8,23,20.5,13.9,9.9,6.1
