1901,7.1,5.4,9.2,13.7,17.1,23.4,25.4,26.5,20.4,14.3,9.3,5.7
1902,6.9,8.4,11.2,13.6,16,20.1,25.3,25.3,20.7,14.7,11.1,7.3
1903,6.9,8.8,10.8,13.9,15.6,20.7,25.4,26.4,20.8,16.2,11.3,5.7
1904,6.3,7.8,8.9,14.2,19.3,22.3,25.7,25.6,20.7,17.2,10.7,8.9
1905,6.3,6.9,11.3,14.7,17,20.6,25.6,25.2,20,14.7,8.9,7.2
1906,7.3,6.4,9.9,11.9,16.8,23,25.5,27.4,21.8,16.2,10.1,6.3
1907,6.1,6.3,11.3,12.9,15.9,22.5,24.4,26.5,22.4,13.9,10.6,8.9
1908,8,7.8,8.7,11.5,18.8,20.4,25.3,25.7,22.2,17.1,12,8.2
1909,6,6.5,9.3,14.6,17.8,19,25.2,25.9,19.8,16.4,10.5,8.7
1910,6.6,8.8,9.1,12.7,15.3,21.3,24.3,24.8,21,15.7,10.2,8.1
1911,4.5,8.2,9.1,11.7,16.1,19.9,26.1,26.2,23.3,14.8,10.3,8.4
1912,7.1,10.1,11.5,13.2,18.5,21.3,22.9,23.2,20.4,14.8,9.9,6.3
1913,8.3,8,10.6,12.2,17.1,23.3,25.2,24.4,19.5,15.2,11.2,6.5
1914,5.1,8.5,10.5,13.7,17.2,19.6,23.9,25.2,22.9,16.3,9.7,7.5
1915,6.3,7.2,10.8,11.9,17.6,20,26,26.6,21.3,15,10.8,8.5
1916,7.1,7.2,8.5,13,17.5,21.5,24.8,25.8,21,16.8,10.2,8.1
1917,6.1,7.4,8.7,11.9,17.5,21.7,26.5,24.4,22.7,14.6,10.3,6.8
1918,8.2,8.6,9.4,11.6,17.5,22.4,25.6,26.8,21,13.6,10.4,7.3
1919,6.2,9.6,10,12.3,17.6,23.5,24.5,27.4,21.7,14.2,9.2,6
1920,7,8.9,10.3,13.8,17.9,21.4,23.9,24.6,21.6,14.6,10,6.6
1921,7.2,8.3,10.3,12.9,16.7,22.3,26.2,25.2,22,18.1,10.4,6.4
1922,7.2,8.6,9.2,12.4,19.6,21.1,25.1,25.6,19.9,16.3,10.9,6.7
1923,5.6,8.6,11.4,11.3,17.3,20.9,25.9,27.1,20.9,17.8,9.4,5.6
1924,7.5,5.9,10.8,13.7,19,22.9,25.6,25,20.9,16.7,10.5,7.9
1925,7.4,7.1,8.3,12.4,15.9,20.7,23.3,25.4,21.1,16.6,9.3,8.8
1926,7.6,11,11.9,13.4,15.8,21.1,25.5,27.1,24.9,18,9.9,6.6
1927,7.1,7.7,10.4,14.3,18.2,22.3,23.5,24.8,20.9,17.6,9.8,8.1
1928,6.2,9.4,10.7,12.3,15.4,22.1,27.7,26,22,16,9.9,6.7
1929,6.4,8.7,11.5,14.5,16.1,22.4,25.9,25.7,21.6,16,10.4,8.8
1930,8.1,6.3,11.1,11.8,17.6,20.4,24.4,26.7,22.6,18,11.7,8.6
1931,7.1,8.2,11.9,13.8,16.8,22.9,24.9,24.4,21.2,16.8,11.2,6.2
1932,6.9,6.8,11,11.9,16.7,20.3,24.1,26.1,21.4,15,11.2,8.2
1933,6.3,7.8,10.9,15.2,19.4,20.9,26.4,28.4,21.6,16.1,8.6,4.7
1934,5.7,7.1,8.7,11.9,18.2,23,26.6,24.4,22.4,17.2,8.8,9.4
1935,5.6,7.3,11.6,13.7,15.2,21.2,26.6,25.5,22.7,14.9,10.2,8.3
1936,9.8,9.9,10.2,13.1,15,19.5,24.2,27,22.5,15,9.4,5.8
1937,7.3,9.6,9.7,14.1,17.6,21.4,26.6,26.3,21.6,16.7,12.3,6.7
1938,6.6,7.5,12.5,14.2,16.6,23.8,25.3,24.9,20,16.8,12.4,7.2
1939,8.8,8.6,10.1,12.5,16.5,20.5,25.1,25.2,22.2,15,10.4,7.3
1940,6.8,9.9,12.7,14.2,16.9,21.1,24.9,26.5,21.6,14.6,10.1,5.7
1941,6.9,9,11.4,12.9,15.2,22,25.6,25.9,23.2,17.5,10.6,6.6
1942,7,6.6,12.1,13.8,17.9,22.5,25.6,25.7,22.1,18,11.2,8.1
1943,6.8,8.5,11.3,15.9,19.6,25.1,25.6,27.6,21.4,16.2,9.8,7.9
1944,6.7,6.6,10.9,15.5,18.9,22.7,25.7,26,22.3,14.5,11.1,6.8
1945,4.9,9.4,12.4,17.2,18.8,24.1,26.1,24.7,23.1,18.1,12.7,9.3
1946,6.4,9,11.1,13.3,15.3,22.1,26.9,26.1,22.3,17.5,11.4,6.5
1947,6.7,8.7,12.2,15.5,17.5,23.1,26.8,25.9,22.3,17.5,13,6.6
1948,8.8,9.6,13.6,13.6,16.6,23,25.2,25.7,22.9,16.8,12.5,9.6
1949,7.7,9.4,10.7,16,17,22.9,26.8,27.8,21.6,17.2,11.6,7.7
1950,7.1,9.1,11.5,13.6,16.9,22.7,26.8,25.2,21.6,16.7,12.4,6.4
1951,7.2,7.3,11.1,13.5,14.2,22.7,24.7,24.1,22,14.7,11.1,9.1
1952,5.4,7.9,12.9,13.3,16.8,22.1,24.6,24,19.1,17.1,11.6,7.7
1953,6.6,7.4,10.7,13.7,19.6,20.8,25.5,26.9,21.9,15.5,12.4,10.1
1954,5.7,6.9,10.4,12.2,17.8,21.5,24.9,24.2,22.1,18.1,13.1,8.3
1955,10.8,9.3,10.2,15.7,19.9,22.9,25.5,26.2,22.4,16.6,12.1,9.8
1956,8.5,5.4,10.2,12,16.9,21.6,24.4,24.2,20.4,17.1,8.6,5.6
1957,5.3,9.9,13,12,16.1,20.7,25.9,26.2,22.9,15.4,9.8,6.3
1958,7.4,10.4,10.7,12.6,18.7,20.8,25,25,23.1,16.5,10.8,9.3
1959,9.3,8.1,11.5,13.8,16.2,22.2,25.9,25,20.8,16.2,10.8,8.5
1960,7.5,9.4,11.6,14.1,18.4,23.7,25,23.8,21.5,13.9,11.2,6.6
1961,6.4,11.7,14,14.5,19.6,22.3,25.6,27,22.8,15.5,10.5,9
1962,8.6,8.5,10.3,14,17.6,22.4,25.1,26.8,23.1,17.9,8.5,6.8
1963,7.6,6.7,10.4,13.3,17.6,20.9,25.3,24.3,20.5,18.5,11.5,7.5
1964,7.4,9.4,10.5,13.2,20.8,22.1,25.9,25.8,24.4,15.6,10.9,6
1965,6.9,7,11.3,14.3,19.8,23.8,23.8,25.4,19.3,15.9,10,8.1
1966,9.4,9.8,10.6,13.2,19,21.4,24.8,25.3,23.2,14.3,8.2,7.4
1967,6.8,8.8,12.8,12.9,15.8,21.5,26.4,25.2,20.7,17.5,10.6,6.2
1968,7.4,8.4,10.1,12.9,16.9,22.6,25.5,24.7,21.1,18.8,11.3,7.7
1969,8.4,7.1,10.1,13,15.7,20.3,26.8,25.6,18.7,16.5,10,6.3
1970,8.7,8.8,9.4,13.8,17.4,20.8,25.9,24.5,23.7,16.2,12.7,5.1
1971,6.6,10,8.5,12.6,14.8,19.3,24.7,24.1,22.5,19.2,9.9,8.1
1972,6.1,8.5,10.2,14.2,17,21.2,24.7,24.8,19.1,14.7,11.5,7.5
1973,7.1,7.7,9.1,14.5,18,22.7,25.5,27.7,20.5,16.2,12.1,6.6
1974,8.8,8.4,10.4,11.5,17.5,21.4,26.6,25.8,20.9,14,11.5,9
1975,8.7,9.4,8.8,12.7,15,21.1,26.4,25.9,19.8,17.4,10.8,6.5
1976,6.3,9.1,10.8,11.8,17.7,24.3,26,25.9,20,14.2,8.8,9.2
1977,7.9,9.5,11.7,14.4,16.5,19.6,22.9,23.3,23,16.8,10.5,10.6
1978,7.6,9.7,11.1,12.1,15.3,19.1,25.8,25.7,24.1,16.5,11.5,10.2
1979,9.2,9.2,9.8,12.5,17.5,22.8,26,26.1,22.5,15.3,10.7,8.1
1980,7.5,9.8,11.1,13.7,16.2,22.2,25.2,26.2,24.2,16.6,10.8,6.6
1981,7.9,8.4,12.9,12.5,16.4,24,26,25.9,22.5,17.5,14.6,9.3
1982,9.3,9.5,12.1,14.2,18.7,23.3,24.8,25.8,22,15.5,11,7.3
1983,8.7,7.6,13.5,12.8,15.5,23.9,24.3,24.4,24.3,19.1,13.7,9.1
1984,7.4,8.3,9.1,15.6,13.2,21.1,26.5,25.2,22.3,16.5,11.3,8.9
1985,6.1,10.8,10.1,14.4,15.7,22.5,26.6,26.5,25.7,19.5,10.9,8.4
1986,7.1,7.9,10.9,10.1,19.6,22.8,27.1,25.2,22.9,18,11.6,7.7
1987,7.1,8.8,12.7,14.7,17.8,23,25.3,26,24.6,14.5,11,9.8
1988,8.5,8.8,12.5,13.8,16.3,19.9,25.7,26.5,23.7,17.1,12.3,8
1989,8,10.1,13.1,12,19.1,23.1,28.4,26.7,21.7,18.4,12.3,10.5
1990,7.8,11.6,12.7,12.9,20,23.1,27.8,27.4,23.8,16.4,10.9,7.2
1991,7.7,7.7,11.8,13,17.6,23.7,26.8,28.3,23.6,14.9,10.9,8.3
1992,6.3,8.9,12.5,14.9,19.8,19.4,27.2,27,22.2,14.8,12.4,8.7
1993,7.5,8.3,11.6,13.1,16.3,22,26.6,25.8,20.1,13.5,10.3,7.9
1994,7.3,8.8,13.8,13.2,17.8,23.7,27.1,26.7,20.5,17.2,12.9,8.8
1995,8.1,9.9,12.2,15.3,19.6,22.2,26.9,26.7,20,18.9,13.3,9.9
1996,9.4,7.6,11.2,14.9,17.2,24.3,26.3,24.4,20.5,17.1,11.9,9
1997,8.3,11.2,14.9,16.7,17.9,20.7,24.8,25.9,23.6,18.9,11.8,8.7
1998,8.5,11.1,13.9,12.7,17.2,22.9,26.8,27.7,22,16.4,11.8,7.7
1999,7.7,8.6,11.9,15,18.8,23.2,27.1,26.3,21.5,16.5,9.7,7.9
2000,6.4,11.3,13.1,12.1,18.4,23.9,25.6,26.1,22.7,16.5,10.6,9.2
2001,8.9,10.5,13,15,17.8,24.5,25.4,26.3,21.8,17.8,10.1,6.8
2002,8.9,9.9,12.4,14.3,17,23.6,25.4,24.6,21,17.2,11.9,10.3
2003,8.2,8.6,13.1,14.4,19.9,25.2,26.3,28.4,23.1,16.4,12.3,8.7
2004,9.5,9.8,11.3,13.9,16.9,25.5,27.1,25.9,23,17.4,10.8,8.2
2005,7,6.9,11.7,14.7,19.8,25.7,27.1,27.3,22.5,17.7,11,8.5
2006,7.3,8.4,12.1,15.6,20.2,23.9,27.9,26.7,23.6,18.6,13.8,9.1
2007,8.3,10.7,11.7,14.4,18,21.9,25.9,25.3,22.6,17.5,11.8,8.1
2008,9.6,11.3,12,14.9,17,23.3,25.8,26,21.7,16.7,10.1,7.3
2009,7.9,9.6,13.4,13.6,19.3,24,26.2,28.1,24,19,11.9,8.4
