1901,6.9,9.7,12.8,13.4,17.6,22.3,24.8,22.9,19.3,17.3,12.4,8.2
1902,6.9,11.1,10.8,12.6,15.9,22.3,24.4,23.4,22.4,16,9.9,7.4
1903,6.7,6.7,10,12.1,18.5,22.7,23.1,23.2,21.6,18.3,11.8,8.7
1904,7,7.5,9.3,12.7,18.8,22.1,22.7,23.3,21.3,16.3,11,6.2
1905,7.6,9.4,12.4,14.3,16,20.7,24.2,23.4,20.1,15.7,10.5,5.4
1906,8,10.6,9.8,13.7,15.5,19.2,25.6,24.4,21,16.7,11,7.7
1907,6.3,11.5,9.7,14.7,17,20,23.7,23.6,20.1,17.3,11.8,7.2
1908,7.1,6.8,10.8,14.7,14.5,20.2,25.7,23.3,21.8,15.7,11.5,4.1
1909,8.4,8.6,9.4,14.4,17.5,21.6,21.9,23,22.4,18.7,11.9,6.2
1910,6.5,5.6,13,14.7,18.6,20.7,23.8,22.2,19.1,16.5,10.6,6.8
1911,6.6,6.2,11.6,12.2,14.2,20.8,24.5,20.8,18,14.9,10.3,6.1
1912,7,9.7,9.3,11,16.9,20.8,23.2,23,20.4,14.6,10.6,6.3
1913,4.7,7.9,9.9,12.9,18.2,20.1,24.4,25.3,22.1,17.4,10.8,5.9
1914,6.8,8.8,13,13.6,17.4,19.8,23,23,20.3,15.8,14.1,7.7
1915,6.1,7.8,12.2,13.6,14.8,21.4,23.8,24.1,21.9,18.2,11.4,8.1
1916,5.4,10.2,12.2,14.9,15.6,20.1,23.6,22.7,21.1,14.1,9.1,5.3
1917,4.3,8.4,8.6,13,15.4,22.1,25.8,23.7,20.6,17.9,10,7.1
1918,6.5,6.7,8.9,11.9,15.5,24.1,23,23,20.4,16.8,9,4.5
1919,6,7.1,9.2,13.6,18.5,21,23.6,22.3,21.9,14,8.8,5
1920,7.4,8.4,9.1,12.2,17.6,21.1,22.6,24.1,19.5,13.8,9.6,6.6
1921,6.1,8.5,11.4,12.5,15.4,21.7,24.7,22.2,19.9,15.7,9.9,7.1
1922,3.4,6,8.3,11.5,16.8,20.4,24.4,22.2,22.5,14.8,8.1,6.4
1923,5,7.4,11.1,11.4,16.3,19,22.9,23,22.5,15.7,11.9,4.9
1924,5,9.5,9.1,13.6,18.8,20.6,22.7,22.3,20.1,13.1,8.9,3.3
1925,6.1,8.3,10.2,12.5,16.5,21.3,24.8,22.2,18,15,8.9,6.1
1926,4.1,9.3,13.7,15.2,17.3,23,25.1,22.5,19,15.9,12.6,5.8
1927,6.8,8.5,9.7,12.3,16.6,20.8,24,22,19.3,15.6,10.3,5.8
1928,6.2,8.3,11.5,12.6,18.8,21.4,23.2,22.9,20.6,15.4,9.5,4.5
1929,3.7,7.1,10.4,10.6,17.4,20.3,23.5,23.4,20.4,16.9,10.5,8.6
1930,4.9,10,11.6,13.5,15.3,21.8,23.9,23.3,19.3,17.1,13,6.9
1931,7.6,10.2,12.5,15.8,20.8,20.9,27.5,24.7,20.2,15.9,9.9,6.1
1932,6.2,7.5,12.5,12.5,17.4,22.1,23.7,23.6,23.4,17.2,13.2,3.9
1933,4.4,6.6,11,13.5,15,20.5,26.4,24.7,19.4,18.4,12.2,5.8
1934,7.5,9.2,14.6,15.7,18.7,20.8,23.8,24.3,22.6,16.3,12.1,8
1935,7,8.8,9,13.5,18.1,23.9,24.2,25.4,21.6,16.1,10.3,7.2
1936,8.9,8.6,13.1,14.8,18.8,21.5,25.6,25,22.7,18.4,11.6,7
1937,2.4,7.1,11.3,13.1,18.8,21.4,25.4,24.9,21.6,17.6,12.1,8.8
1938,6.5,8.2,9.4,13.3,18.7,22.5,24.8,23.6,22.7,16,10.6,8.5
1939,7.1,7.4,11.3,16.7,18.9,21.7,24.9,24.5,22.6,16.9,12.2,8.8
1940,7.8,9.9,11.9,14,18.8,23.8,23.4,23.6,21,17.3,10.2,8.9
1941,8.8,9.7,12.2,12.6,17.3,20.2,25.4,22.8,20.4,15.5,11.4,7.5
1942,6.3,7.9,10.2,12.4,14.9,21.7,25.8,24.1,21.6,18.1,11.1,7.3
1943,7.6,10,12.1,14.5,18.9,19.8,24.7,22.7,22.7,16.4,12.3,8.4
1944,7.1,8.2,12,12.3,17.6,19.7,23.9,24.1,23.4,18,10,8
1945,6.3,9.6,8.8,14.6,16.4,22.5,26,23.6,22.6,18.3,10.6,6.8
1946,6.5,6.6,10.5,14.7,17.5,20.5,24.5,23.6,21.6,15.6,9.8,6.6
1947,4.7,9,12.4,16.6,20.7,22.2,23.6,23.1,23.5,16.4,10.2,6.4
1948,9.1,7.5,9,10.7,15.4,21.4,24.6,23.3,21.4,16.3,11.1,5.5
1949,3.5,7.1,10.1,16.3,18,23.2,24.3,22.4,23.2,17.1,13.1,5.8
1950,4.9,9.7,10.7,15.7,18.6,21.4,26.1,25.4,22.2,16.8,13.4,8.9
1951,6.7,8.5,11.2,15,18.6,22.3,23.9,23.6,22.5,16,11,6.8
1952,5.5,8.5,9.1,14.1,18.9,18.8,25.6,24.1,23.3,19.2,10.4,7.1
1953,9.8,9.5,10.6,13.4,15.1,19.6,25.7,22.6,23.2,16.5,11.7,9
1954,7.7,8.3,9.6,15.6,18.9,21.1,25.4,22,21.2,16.6,10.5,5.7
1955,5.2,8,11.2,11.1,18.1,21.9,24.1,25,22.7,17.6,10.8,9.1
1956,8.1,7.2,11.3,13.9,17.6,22.1,24.2,23.3,22,16.3,11.9,7.2
1957,6.1,10.2,11.6,14.7,17.1,24.1,25.1,22.9,22.3,15.2,10.4,6.8
1958,7.1,11.2,9.3,13.8,19,21.1,24.4,26.6,23.3,19.3,12.2,10.4
1959,8.9,8.5,12.6,16.4,17.4,23.5,26.3,23.9,21.2,18.8,12.2,7.6
1960,6.7,9.2,12,13.7,16.8,24.8,26.2,24.5,22.7,17.5,10.9,7.3
1961,5.4,10.6,10.9,14.7,16.5,24.6,26.8,25.9,21.6,17.6,11.1,6.6
1962,6,8.1,9.8,16.1,17,22.5,25,23.6,21.5,16.7,12.9,7.9
1963,4.8,12.9,10.4,11.3,17.5,21.7,23.7,24.2,22.5,16.9,9.7,4.3
1964,6.3,9.7,10.5,14.1,16.9,20.9,24.9,24.6,20.9,18.5,9.4,9
1965,6.4,8.7,11.3,13.7,18.3,19.8,24.3,24.3,19.8,18.1,12.1,4.4
1966,6.6,7.6,11.1,16.6,19.2,22.4,23,25.3,22.3,17.1,11.7,6.8
1967,6.8,8.2,9.8,9.1,18.8,21.1,26.7,27.4,24.1,18,13.5,6.8
1968,5.7,11.7,12.5,15.2,18.1,23.8,25.4,22.7,22.7,16.4,10.9,6
1969,6,7.5,10.8,13.6,20,21.4,25.8,25.8,23.4,15.5,12,9
1970,9.6,11.1,12.4,13,19.8,22.4,26,24.4,22.3,16.5,12.5,7.2
1971,7.5,8.5,10.8,13.2,16.5,21.1,25.8,25.3,22.1,15.8,11.3,5.9
1972,5.1,10.1,14.2,14.1,18.9,22.8,25.2,24.5,20.1,16.2,9.6,4.5
1973,6.6,10.3,9.9,15.5,21,23.8,25.2,23.6,20.9,16.8,10.7,8.5
1974,7.8,8.6,11.5,13.1,18.6,22.9,24.5,24.6,23.4,18.7,11,7.1
1975,6.3,8.8,10.3,11.4,19.3,22.1,23.7,22.1,22.4,15.5,10.3,7.5
1976,7.7,9.8,11,13,20.4,22.1,25,21.4,22,18.3,12.9,8
1977,5.7,10.8,10.5,16.8,15.3,24.2,24.5,24.7,21.3,17.7,11.6,9.5
1978,9.9,10.2,13.8,13.1,19,21.9,25.1,24.7,20.6,19.3,10.1,5.3
1979,7,8.8,12.1,13.6,19.5,22.8,24.8,23.2,23.5,17.2,10.8,8.5
1980,8.2,10.6,10.9,14.3,17.3,19.2,24.3,22.6,20.9,17.4,12,7.9
1981,7.6,10.1,11,14.9,19.1,25,24.3,23.5,21.6,15.1,12.7,8.9
1982,5.5,9.6,9.9,12.6,19.3,20.2,23.4,23.1,20.7,16.1,9,7.2
1983,6.3,10.4,10.9,11.6,18.2,22.2,23.2,24.8,22.8,18.2,9.4,8.5
1984,7.8,9.4,13.6,13.6,20.8,22.7,27.3,25.6,24.9,15.6,10.5,7.1
1985,5.9,10.5,9.8,16.7,18.1,24.7,26.6,23.5,20.4,17.1,9.3,5
1986,9.5,11.2,13.8,14.4,18.9,23.1,24.5,24.8,19,17.6,13.1,7.5
1987,6.7,9.9,11.2,16.9,20.8,23,22.5,24.4,22.5,20,11.4,7.8
1988,8.1,11.7,13.1,15.1,17.2,22.4,27.7,24.7,22.8,19.2,11.4,7.8
1989,6.8,7.8,12,16.6,18.7,22.4,25.1,23.7,21.4,17.1,12,6.6
1990,7.3,7.3,12.5,16.9,17.9,22.1,25.9,25.1,22.8,18.7,11.3,5.2
1991,8.1,12.1,9.1,13.3,16.5,21,26.1,23.4,24.4,20.6,12.8,7.4
1992,5.9,12,13,16.4,22.1,22.7,24.5,26,23,19.2,12,7
1993,7.1,9,13.9,14.3,18.7,22.2,25.2,24.3,22.6,18.5,11.2,7
1994,8.9,8.9,13.3,15.6,18.7,22.4,25.5,24.9,23.1,17.3,9,6.7
1995,9.9,11,11.1,13.7,17.4,21.2,24.7,25.3,23.1,18.9,14.9,10.3
1996,8.8,11.2,13.1,15.1,18.9,23.6,27.6,26,22.2,17.9,12,9.5
1997,7.8,10.4,13.3,15.3,21.4,22.1,24.9,23.8,22.6,16,12.1,7.1
1998,8.3,8.5,11.4,12.8,14,19.2,24.4,24.9,22.3,15.4,10.2,5.6
1999,6.9,7.7,9.2,13.4,17.5,21.3,23,23,22.4,17.4,11.7,7.7
2000,8,9.5,11.9,14.9,18.3,23.3,22.6,23.4,21.5,15.6,8.3,7.9
2001,6.7,8,12.6,12.1,21.7,22.8,23.8,24,21.6,17.9,12.3,8.4
2002,6.3,9.2,10.1,13.7,17.7,22.4,25.4,23.3,22.3,16.1,11.4,8.9
2003,9.5,8.8,11.9,11.4,18.2,22.8,26.8,24.2,22.8,18.3,9.8,8.8
2004,7.4,9.3,14.1,15.7,19,22.6,24.9,24.6,21.8,16.1,9.6,7.4
2005,6.6,10,12.2,13,18.3,20.7,26.5,25,20.2,16.7,11.2,8.6
2006,7.9,9.3,8.7,13.2,19.4,23.6,26.7,23.2,21,15.4,11,7.2
2007,5.4,9,13,14.4,19,22.2,24.9,24.3,20.2,15.4,11.6,6.8
2008,6.4,8.4,10.5,13,19.2,22.4,24.7,24.6,22.2,17,11.9,5.8
2009,7.3,9.2,10.9,14.1,20.1,22,25.1,24.2,23.4,15.1,10.2,6.1
