1901,6.6,7.6,10,13.7,20.3,24.2,26,26,23.2,16.8,11.2,5.9
1902,5.8,7.7,9.6,16.7,20.4,25.1,24.3,24.2,21.3,16.6,9.6,5.6
1903,5.8,4.1,9.6,15.6,18.3,21.6,26.2,25.3,21.6,15,10.3,4.7
1904,3.3,8.9,12.3,15.6,20,24.2,25.5,24.5,21.8,16,9.1,5.1
1905,6,6.3,11.5,13.5,18.9,24.7,24.3,25.2,22.6,15.8,10.7,2.6
1906,4.3,7.6,11.3,15.1,19.4,25.1,24.7,23.7,22.7,15.5,9.1,8.4
1907,7.7,10.2,14.3,16.7,17.5,23.1,26.3,25.9,23.3,16.8,9.3,7.4
1908,5.9,7.5,12.9,15.2,18.7,24.9,25.3,24.8,21.9,15.1,9.7,6.5
1909,9.4,7.6,9.7,14.9,18.6,25.6,27,25.6,21.7,17.3,12.1,3.4
1910,7,6.8,14.4,15.8,21,25.7,27.7,26.7,24.3,16,11,7.4
1911,8.9,7.4,13.7,14.6,21.6,26.2,25.4,27,24.2,16.3,8.2,2.8
1912,6.5,6.5,10.9,13,20.3,24.4,27,25.4,20.9,15.8,9,3.3
1913,2.1,5.3,9.5,14.5,20.7,23.7,27.1,25.6,20.1,15.9,11.6,3.6
1914,8.2,7.9,10.3,16.6,20.3,23.6,24.3,26.3,23.5,15.6,10.6,6.1
1915,2.6,7.3,8.5,14.1,18.5,25.1,26.7,24.3,21.6,16.1,9.7,5.1
1916,8,9.6,14.3,13.9,19,26.1,26.8,26.3,23.2,17.7,10.2,5.1
1917,5.7,7.7,9.9,14.8,17.8,23.8,27.7,25,22.5,16.3,11.4,8.7
1918,3,9.8,11.9,15.1,19.6,26.4,27.1,25.1,22.5,17.3,7.5,3.9
1919,3,5.6,10.1,15.7,20.4,23,26.1,26.3,21.8,16.9,10.8,7.3
1920,6.3,9.6,10.1,13.6,20.2,23.7,26.8,24.4,22.4,15.8,9.4,4.8
1921,7.5,8,13.3,14,20.6,24.7,25.7,25.3,23.7,17.6,11.1,8.6
1922,5.2,9,11.1,14.9,21.9,26.8,27.7,27.4,23.6,15.8,9.1,8.3
1923,7.7,7.1,9.5,15.7,21.3,26.4,27.7,25.4,21.9,16.5,10.5,4.6
1924,5.1,8.4,9.7,15.1,21,28.2,27.3,27.7,23.1,18.1,12.7,5
1925,4.4,10,13.8,17.9,21.9,25.6,27.5,25,23.4,16.9,9.8,4
1926,3,8.9,10.1,14.6,19.3,25.6,26.5,26.6,24.5,17,11.1,6.1
1927,8,10,10.8,15.7,19.8,24.9,27.7,25.7,23.4,18.2,13.2,4.5
1928,6.8,7.1,12.6,14.5,20.4,26,28.1,24.9,22.5,18.4,8,6.5
1929,5.9,6.4,10.4,15.8,19.6,26.6,26.8,25.2,23.2,16.1,7.4,6.5
1930,5.1,10.5,10.4,18.2,18.9,26.4,27,26.3,23.7,17.5,9.4,4.6
1931,5.1,8.2,10.7,15.1,20.3,26.5,27.5,24.9,24.8,19,10.7,5
1932,4,9.9,9.3,15.9,20.5,25.1,27.5,26.3,22.2,15.7,10.1,4.4
1933,4.8,6.1,12.7,14,19.6,25.6,27.9,26.6,25.4,18.5,12,8.7
1934,7.8,9.5,14.3,18.1,23.5,27.5,29.3,28.3,24.7,20,11.9,8.2
1935,8.7,8.1,13.2,16.8,18.9,25.5,29.3,27.9,22.5,17.3,9.5,6.2
1936,6.2,9.1,12.8,16.9,21.7,26.6,27.1,26.5,22.4,15.9,9.9,7.1
1937,4.5,8.1,10.3,16.5,21.8,26,28.3,28,24.5,17,13.2,7
1938,7.2,9.4,11.4,13.9,19.1,25.2,26.2,26.5,22.3,18.2,8.2,7.5
1939,5.5,4.3,13,16,22.6,28.1,28,25.7,24,17.3,10.7,9
1940,4.3,7.1,12.5,15.6,21.7,25.6,28.4,26.1,24.2,18.5,10.2,9.1
1941,7.5,9.8,10.9,14.2,21.8,24.5,26.7,26,23.1,17.1,10.7,7.6
1942,6.9,6.7,10.1,15.4,20.7,26.5,27.9,25.9,22.1,17.5,12.3,7.8
1943,9,9.6,11.5,18.6,22.1,27.1,28.7,28.3,23.5,17.2,7,5
1944,4.8,7.8,10.6,14.4,19.8,24.9,27.6,26.3,22.3,17.7,7.7,5.6
1945,6.2,9.1,10.9,14.9,20.8,24.6,27.1,26.8,23.3,16.7,11.1,5.2
1946,3.7,7.5,11.9,18.4,20.1,26.7,27.2,26.8,24.1,17.6,9.1,7.8
1947,3.6,8.4,11.8,15.1,22,25.2,28.3,26.1,23.9,18.5,8.2,4.8
1948,4.3,7.9,9.6,18.2,21.9,26.8,28.2,27.2,23.6,17,7.7,8
1949,2.8,7.7,12.8,15.5,21.2,25.9,27.2,25.9,22.8,15.5,12,5.6
1950,7.9,10.2,12.5,17.3,20.4,26.6,26.3,26,22.5,19.7,11.8,9.3
1951,6.3,7.6,11.3,15.2,21.4,25.8,29.3,27,24.5,17.8,9.2,6.6
1952,8.6,6.6,8.9,15.1,20.4,26.6,26.5,27.2,22.7,16.9,8.5,5.7
1953,8.7,7.2,12.8,16.1,18.5,27.3,28.1,26.6,23.5,16.5,10.8,3.5
1954,7.6,10.5,11.2,18.6,20.8,25.7,28.1,26,24.5,18.5,11.6,7.5
1955,4.4,6.1,12.7,16,20.2,25.3,26.1,25.6,24.2,18.5,10.3,9.3
1956,9,6.8,13.1,15.4,23.1,27.5,27.7,25.9,23.9,18.7,9.3,7.5
1957,8.6,12,12.2,14.9,18.6,25.3,27.9,25.6,21.8,15.3,8.1,6.8
1958,4.6,9.2,9.3,15.2,21.8,26.8,27.6,26.9,22.1,15.3,10.4,7.4
1959,6.5,7.4,10.9,16.2,20.4,26.4,27.5,26,23.4,17.4,8.1,6.1
1960,3.7,6.2,13.6,16.5,20.2,27.5,26.1,26.8,22.8,15.5,10.9,3.1
1961,4.6,7.5,11.8,15.8,21.5,26.1,26.8,25.8,22,16.6,8.6,6.6
1962,4.2,9.9,9.2,17.2,21.1,25.3,26.1,27.7,22.9,17.5,11.2,6.4
1963,3,8.2,11.8,16.5,21.9,25.7,28.6,25.3,23.5,18.8,11.1,6
1964,3.5,3.9,10.3,15.1,21.6,25.7,28.1,26.8,22.8,17.5,10.2,6.1
1965,7.8,6.9,9.1,16.2,20.4,23.7,27.9,25.9,22.4,16.8,12.8,7
1966,3.5,4.6,12,16.3,21.8,25.2,28.3,25.2,22.7,16.3,12.6,5.9
1967,5.2,8.6,14.5,16.8,20.1,24.7,27.8,25.2,22.4,17.2,11.3,4.1
1968,5.7,9.1,10.7,14.5,21.1,26.3,26.2,24.7,21.9,18,9.6,4.4
1969,8.6,7.8,8.8,17.3,21.1,25.7,28.1,27.8,22.9,17.1,9.8,7.4
1970,6.9,8.9,10.4,14.7,20.5,24.5,27.2,26.1,22.4,14.1,10.3,8.2
1971,6.6,7.2,12.4,15.3,20.2,26,27.6,25,22.6,16.1,10.1,6.4
1972,6.6,8.8,14.6,16.1,19.8,25.4,26.8,25.2,21.6,17.2,7.4,6.3
1973,4.3,6.4,10.7,12.5,19.1,24,25.9,25.2,23,16.8,11.6,6.5
1974,6.2,6.2,14.4,16.3,22.5,26.4,26,23.9,21.1,16.3,9.2,4.2
1975,5.3,7.3,11.3,13.3,18.7,25.3,24.5,25.7,21.1,16.8,9.8,6.1
1976,5.3,10.4,11.5,16,19.3,25.8,25.1,25.4,20.9,13.9,5.9,4.6
1977,5.3,7.4,9.3,14.9,20.8,25.7,26.5,27.2,24.4,16.9,11.2,8.2
1978,5.9,7.5,12.9,16.5,20.2,26.3,28.3,25.3,21.6,17.4,11.5,5.4
1979,3.8,7.2,10.7,16,19,23.6,27.5,24.4,21.7,16.3,6.7,5
1980,7,7.8,10,13.7,19.4,26.9,28.3,26.3,22.7,15.1,7.8,7.2
1981,6.9,7.7,10.1,16.9,20.1,26.3,27.7,24.8,22.4,16.6,11.1,7.6
1982,5.9,7.8,11.7,15.8,18.9,24.9,27.5,26.8,22.8,15.5,9.1,4.5
1983,4.4,7.6,10.8,11.6,18.4,24.1,27.1,26.3,23.9,17.1,10.2,5.8
1984,5.1,6.5,11.4,14.7,22.5,24.5,26.2,24.7,21.8,14.2,9.5,6
1985,4.9,7,12.2,16.1,20.5,24.7,26,25.6,20.8,15.3,10,5.3
1986,6.2,9.5,12,17.1,19.7,24.2,25.5,25.5,21.3,15.1,8,4.6
1987,3.7,6.3,8.8,14.5,18.3,23.8,26,24.6,20.5,17.4,8.4,3.6
1988,3.5,7.4,9.7,13.8,19.5,24.3,25.4,24.1,20.8,18.1,10.5,4.7
1989,5.2,8.7,13.3,17.9,21.5,24.9,27,25.2,21.7,16.3,10.1,3.9
1990,4.6,6.7,11.2,16.3,19.7,27.7,25.4,23.6,22.2,15.9,10.2,5.2
1991,5.1,8.7,10.2,15.1,21.1,24.2,25.1,24.8,20.4,17,8.4,5.8
1992,3.5,8,11.9,16.7,19.2,24.6,26.9,25.6,22.9,17.5,7.2,5
1993,6.8,8.4,11.5,15.8,20.7,25.4,27.6,26.2,22.5,15.9,8.9,5.8
1994,6.1,8,12.8,16.7,21.3,28.3,28.9,27.9,23.4,17.1,10.5,7.8
1995,6.3,11.2,13,15.1,20.8,25.1,27.3,27.6,22.9,17.8,12.2,7.4
1996,6.6,11.2,11.3,16.6,23.6,27.4,28.1,26,22,17.2,10.8,7
1997,5.6,7.4,13.4,14.1,21.3,25.2,26.9,26.2,24.2,16.3,9.8,3.5
1998,7.2,7.2,10.8,13.4,21.5,25.9,27.2,25.8,25.1,17.4,11.5,6.6
1999,8.3,10.3,12.9,15.1,20.9,24.7,26.1,25.9,22.5,16.7,12.7,5.4
2000,8.8,10.8,12.3,18.1,24.1,25.4,27.7,26.5,24.4,15.8,7.5,5.6
2001,4.7,8.8,12,16.8,22.6,26.8,27.9,26,23.7,18.6,11.6,5.2
2002,7,7.3,12,19.1,21.9,27.8,26.8,27.5,23.3,16.6,10,5.6
2003,8.8,8.5,11.6,16.5,22.4,25.6,28.7,27.4,23.7,19.1,11.5,6.1
2004,7.3,6.4,14.2,15.4,22.6,25.7,27,25,22,17.2,9.4,5.7
2005,8.7,8.8,11.3,16.1,21.4,26.7,28.5,25.5,24.2,17.2,11.9,7.5
2006,8.7,9.7,13.1,18.9,23.7,27.1,27.4,24.7,20.5,16.7,12.2,5.5
2007,4.7,8.8,13.5,15.8,20.5,25.8,26.8,27.3,23.9,18.6,11.9,6.5
2008,6.2,9.7,12.7,16.4,21.2,27.5,25.8,25.3,21.5,17.4,11.3,7.6
2009,8.3,10.4,13.7,16.5,23,25.7,28.8,27.3,22.6,16.7,11.7,5.1
