1901,5,3.1,7,12.2,15.3,22.2,24.1,25,18.6,12.3,6.6,3.3
1902,4.5,6.3,9.4,12,14.1,18.3,24.3,23.5,18.4,12.4,9,5.2
1903,4.6,6.9,9.1,12,13.8,18.7,23.9,25,18.8,14.2,9.3,3.4
1904,4.4,6,7,12.5,18.2,21,24.9,24,18.7,14.9,8,6.7
1905,4.1,4.9,9.5,13.2,15,19,24.4,23.5,17.6,12.4,6.6,4.8
1906,5.5,4.6,7.9,9.7,15.2,21.6,24.1,26.3,19.4,14.1,7.9,4.4
1907,4,4.6,9.7,11,14.2,21.5,23.2,25.1,20.2,11.6,8.6,6.9
1908,6.1,6.2,6.6,9.5,17.8,18.6,24.1,24.3,20.3,15.1,10,6
1909,3.7,4.3,7.4,13.3,16.2,17,23.8,24.7,17.8,14.6,8,6.5
1910,4.3,7.1,7.2,10.9,13.4,19.8,23.1,23.3,18.6,13.4,7.9,5.9
1911,2.6,6.4,7,9.9,14.5,18.1,24.9,24.8,21.4,12.5,8.2,6.2
1912,4.8,8,9.6,11.4,16.9,19.9,21.7,21.4,18.3,12.7,7.8,3.6
1913,6.1,6,8.9,10.6,15.7,22,24.3,23,17.3,13,9.2,4.1
1914,2.6,6.6,8.9,12.3,15.5,17.9,22.8,23.8,21,14.3,7.3,5.2
1915,4.4,5.1,8.8,10.1,16.3,17.1,24.8,25.2,19.1,13,8.5,6.5
1916,5.1,5.3,6.2,11.5,16.1,20,23.7,24.7,18.8,14.8,8,5.6
1917,3.9,5.3,6.6,9.9,16.2,20.2,25.4,22.7,20.8,12,8.4,6.3
1918,5.8,6.9,7.4,9.7,16.3,20.7,24.3,25.8,19.3,11.5,8.2,5.3
1919,4.2,7.8,8.1,10.5,16.6,22.2,23.1,25.9,19.5,11.7,6.7,3.9
1920,5,6.6,8.4,11.8,15.8,19.2,22,22,18.9,12.4,7.3,4.3
1921,5.2,6.5,8.4,11.1,15.1,21.1,24.7,23.4,20.3,16.1,8,4.4
1922,5.1,7.1,7.3,10.8,18.6,19.1,23.7,23.9,17.4,14.2,8.5,4.2
1923,3.8,6.7,9.8,9.6,15.9,18.8,24.5,25.5,18.6,16,7.3,3.8
1924,5.6,3.6,8.9,12,17.8,21.3,24.2,23.3,19,15.1,8.3,5.5
1925,5.3,5.2,6.3,10.8,14.3,19.3,21.5,23.3,18.8,14.4,6.9,6.2
1926,4.9,9.4,10,11.6,14,19.3,23.7,25.3,22.8,15.7,7.9,4.4
1927,5.1,5.7,8.6,13,16.7,20.3,22,22.4,18.7,15.5,7.6,5.8
1928,4.2,8,8.7,10.4,13.6,20.5,25.8,24.1,19.4,14,8,4.4
1929,3.7,6.8,9.6,12.8,14.4,20.6,24.1,23.6,19.2,13.9,8.3,6.6
1930,6.1,4.4,9.3,10.4,16.7,19.2,22.9,25,20.9,16.3,9.7,6.8
1931,5.4,6.6,10.4,12.2,15.6,21.6,23.8,22.8,19.2,15,8.9,4.1
1932,4.8,4.9,9.2,10.2,15.2,18.5,22.6,24.9,19.6,13.2,9.4,6
1933,4.2,5.9,9.1,14,18,19.2,25.8,27.4,20.3,14.2,6.6,2.4
1934,3.7,5.5,6.9,10.2,17.3,22,25.6,22.7,20.9,15.4,6.5,7.1
1935,3.6,5.7,9.8,12.1,13.2,19.9,25.5,23.4,21.3,12.9,7.9,6.4
1936,7.8,8.2,8.4,11.3,13.3,17.8,22.9,25.4,20.6,12.7,7.2,3.3
1937,4.9,8,7.7,12.3,16.4,20.2,25.7,25.3,19.7,15.3,10,4.3
1938,4.6,5.5,11.1,12.6,14.7,22.6,24,23.5,18.3,15.1,10.4,5.3
1939,7,6.8,8.3,10.7,14.5,18.7,23.8,24,20.7,12.8,8.4,4.9
1940,4.3,8.1,11.1,12.4,15.5,19.3,23.7,24.6,19.4,12.3,7.8,3.6
1941,4.4,7.2,9.6,11,13.3,20.3,23.9,23.5,20.9,15.4,8.1,4.4
1942,5,4.7,10.1,12.1,16.4,20.9,24.1,23.9,19.8,15.8,8.9,5.7
1943,5.1,6.7,9.3,14.1,18,23.3,23.5,25.5,19.4,14.3,7.7,5.8
1944,4.8,4.6,9.2,13.2,17.1,20.6,23.9,24.3,20,12,8.5,4.6
1945,2.6,7.7,10.8,15.7,17.3,22.3,24.8,22.9,22,15.8,10.5,7
1946,4,7.3,9.1,11.5,13.3,20.2,24.9,24.2,20.5,15.7,9.1,4.3
1947,4.5,6.5,10.2,14.1,16,22,25.6,24,20,15.6,11.2,4.4
1948,6.8,8,12.1,11.8,15,21.4,23.8,23.9,21,15,10.6,7.3
1949,6.1,7.9,9,15,15.6,21.5,25.7,26.4,19.9,15.3,9.5,5.9
1950,5.3,7.5,9.9,12.2,15.4,21.3,25.7,23.6,19.9,15.1,10.6,4.3
1951,5.3,5.6,9.1,11.9,12.7,20.7,23.8,22.4,20.1,12.7,8.9,7
1952,3.3,6.3,11.5,12,15.8,21.2,23.5,22.3,17.3,15.1,9.5,5.6
1953,4.5,5.6,9,11.9,18.3,19,24,25.4,19.9,13.6,10.2,8.4
1954,3.8,5.5,8.7,10.7,16,19.7,23.6,22.3,20.3,16,11,6.4
1955,8.7,7.1,8.2,14.2,18.5,20.8,24.4,24.5,20.1,14.4,9.5,7.6
1956,6.4,3.4,8.9,10.6,15.5,19.6,22.7,22.5,18.8,14.6,6.7,3.8
1957,3.2,8.3,11.9,10.7,14.9,19,24.4,24.7,21,13.7,7.9,4
1958,5.4,8.7,9.1,10.9,17.4,18.9,23.6,23.4,21.7,14.4,8.9,7.3
1959,7.3,6.8,9.8,12.3,15,20.5,24.9,23.2,18.8,14.3,8.9,6.5
1960,5.7,7.4,9.9,12.7,17,22.2,23.6,22.4,19.8,11.8,9.1,4.5
1961,4.6,10.2,12.5,13,18.2,21,24.4,25,21,13.7,8.6,6.9
1962,6.8,7.2,8.4,12.1,16.4,20.9,24,25.4,21.4,16.2,6.5,4.4
1963,5.6,4.7,9.1,11.8,16.3,19.4,23.9,22.6,18.6,16.6,9.5,5.1
1964,4.4,7.9,8.6,11.8,19.9,20.5,24.7,24.1,22.7,13.8,9.3,4.5
1965,5.2,5,9.5,12.4,18.5,22.3,22.8,23.9,17.3,14.3,8,6.1
1966,7.8,8.3,9.1,11.7,17.4,19.8,23.9,24,21.7,12.7,6.2,5.5
1967,5,7,11.5,11.2,14.2,19.4,25.6,23.7,19.1,16,9.1,4.3
1968,6.1,6.9,8.4,11.5,15.5,21.5,24.2,23.3,19.3,17.4,9.2,6
1969,6.7,5.1,8.4,11.7,14.6,18.6,25.3,23.8,16.8,14.9,7.9,4.8
1970,6.9,7.1,7.6,12.4,16.2,19.9,24.6,23,22.2,14.3,11.1,3.1
1971,4.7,8.1,6.3,11.3,13.3,17.8,23.4,22.4,20.6,16.9,7.8,6.6
1972,4.3,6.8,8.5,12,15.1,19.5,23.4,22.6,17,12.7,9.6,5.6
1973,5.5,6.5,8.2,12.4,16.3,20.5,23.7,25.8,19.5,14,9.9,4.8
1974,7,6.5,8.7,10.3,16.3,19.7,24.7,23.8,19.3,11.9,9.5,6.9
1975,7.1,7.8,7.1,11.4,13.7,19.7,25.1,23.9,17.9,15.5,8.9,4.7
1976,5.2,7.5,9.5,10.3,17.2,22.4,24.2,23.6,18.1,12.3,7.1,7.2
1977,5.9,8,10.2,12.7,14.5,17.7,21.1,21.6,21.3,15.2,8.6,8.4
1978,5.6,8.1,9.8,10.6,13.9,17.6,24.2,24.6,22.3,14.9,9.4,8
1979,7.5,7.6,8.4,10.7,16.1,21.4,24.4,24.3,20.6,13.7,8.9,6.6
1980,5.9,8.1,9.4,11.6,14.4,20.2,23.5,24.5,22.6,14.8,8.6,4.8
1981,6.2,6.7,11.3,11,14.8,22.4,24.3,24.5,20.8,15.9,12.4,7.4
1982,7.6,7.9,10.2,12.6,17.1,21.6,24,24.2,19.9,13.8,9.2,5.8
1983,6.7,5.9,11.7,10.9,13.9,22.4,23.9,22.7,22.7,16.9,11.7,6.8
1984,5.6,6.7,7,14.2,11.3,19.4,25.2,23.1,20.3,14.5,9.3,6.7
1985,3.8,9.1,8.5,12.8,14.5,21.2,25.8,25,24.1,17.5,8.7,6.1
1986,5.1,6,9.3,8.3,18.3,21.7,26,23.9,21.1,16.1,9.8,5.9
1987,5.1,7.2,11.1,13.3,16.5,21.5,23.9,25.3,23.4,13,9.5,7.9
1988,7.2,7.3,11,12,15.1,18.1,24.2,25.2,21.8,15.4,10.2,6.2
1989,6.4,8.5,11.8,10.4,18,21.8,26.9,25.7,19.9,16.6,11,8.8
1990,6.2,10.4,11,11,18,22.4,26.5,26,22.1,14.6,9.1,5.1
1991,5.7,6.1,10.1,11.3,15.9,22.5,25.9,27.2,21.9,13,9.1,6.5
1992,4.4,7.2,11,13.5,18.5,17.4,25.5,25.6,20.8,13,10.8,7
1993,5.8,6.9,10.2,11.5,15.1,20.6,25.1,25.1,18.5,11.4,8.6,6.1
1994,5.6,7.4,12.9,11.6,16.5,22.4,26.7,25.9,18.6,15.5,11,6.9
1995,6.5,8.5,10.8,13.9,18.5,21.2,26,25.2,18.2,17.3,11.4,7.9
1996,7.5,6,9.6,13.4,15.6,22.6,24.9,23.3,18.6,15.2,10,7
1997,6.7,9.9,13.8,15.3,16.3,19,23.4,24.6,22.2,17.1,9.5,6.6
1998,6.9,9.7,12.6,10.8,15.7,21.8,25.9,26.3,20.2,14.4,9.7,5.7
1999,5.9,7.2,10.3,13.4,17.7,21.7,26.1,25.2,19.9,14.7,7.6,5.7
2000,4.6,10.1,11.6,10.3,17.5,22.6,24.1,24.6,21,14.9,8.6,7.3
2001,7.1,8.6,11.5,13.3,16.5,23.1,24.1,25.2,20.3,16.1,8,4.3
2002,7.1,8.5,10.7,12.9,15.4,22.5,24.3,23.4,19.5,15.1,9.8,8.3
2003,6.2,6.8,11.6,12.8,18.5,24.5,25.4,27.1,21.6,14.2,10.3,6.6
2004,7.6,8,9.2,12.1,15.2,24.1,25.7,24.2,21.8,15.6,8.8,6.6
2005,5.4,5.2,10.2,13.4,18.7,24.6,26.2,25.8,20.7,15.7,8.7,6.2
2006,5.5,6.6,10.6,14.2,19.2,22.8,26.9,24.7,21.9,16.8,11.8,6.8
2007,6.5,9.1,9.8,12.8,16.4,20.1,24.5,23.8,21,15.3,9.3,5.9
2008,7.9,9.4,10.3,13.3,15.4,21.3,24.7,25.1,19.9,14.7,7.9,5.7
2009,5.6,7.8,11.8,12,18.5,22.9,25.5,27.1,22,17.3,10.6,6
