1901,9.2,7.3,11.5,15.4,19.5,26.9,30.3,30.2,23.7,16.3,11.7,8.5
1902,8.9,10.4,13.1,15.4,18.4,23.4,29.9,29.8,24.1,16.1,13.1,9.3
1903,9.5,10.1,13,15.3,17.7,23.7,29.3,29.8,23.8,18.6,13.2,8.3
1904,8.6,9.6,11.2,15.6,21.1,25.4,30.7,29.9,24.1,19.2,13,10.8
1905,8.6,8.7,13.2,16.2,19,23.9,29.9,29.4,23.4,17.3,11.6,9.2
1906,9.5,8.4,12.1,13.4,19.1,25.6,29.7,30.8,24.3,18.2,12.6,8.5
1907,8.1,8.1,12.8,14.4,18.3,25.5,28.4,29.5,24.5,15.6,12.5,10.4
1908,9.5,9.3,10.3,13,20.3,22.9,29.3,29.1,25.5,18.4,13.4,10
1909,7.6,8.1,11.3,15.7,19.5,22.6,29.1,28.9,22.6,18.3,12.5,10.6
1910,8.9,9.9,10.4,13.6,17.3,23.8,28.7,28.2,23,17.6,12.2,10
1911,6.8,9.7,10.5,13.4,17.9,22.6,29.3,29.8,25.7,16.8,12,10.6
1912,9.1,11.7,13.1,13.9,20.2,23.9,27.3,27,22.4,16.5,11.5,8.5
1913,10,9.4,11.5,13.6,19.1,25.4,29.4,28.1,22.2,17.3,12.9,9.1
1914,7.3,10.3,12.2,15,19.1,22.4,28.3,28.7,25.1,17.7,12,8.6
1915,7.1,8.4,11.6,12.3,18.4,24,30.4,30.2,23.8,16,11.5,9.2
1916,8.1,8.7,10.7,13.5,18.9,23.4,28.5,29,23.3,18.1,12,9.7
1917,7.1,8.4,10.2,12.3,18.7,23.9,30.3,28.9,25.7,17.1,10.8,5.8
1918,8.8,8.8,10.4,12.3,18.4,24.6,29.3,28.9,24.1,15,10.9,8.3
1919,6.7,9.8,10.9,13.2,18.4,24.5,28.1,30.3,24.1,15.3,10.6,6.9
1920,7.8,9.6,11.4,14.9,19.9,24.4,29,29,24.4,15.9,10.7,7.6
1921,8,8.7,11.6,13.5,18.1,24.2,30.3,29,24.5,19.1,11.4,7.5
1922,8.4,9.8,11.1,14.2,20.6,23.7,29.4,29.7,22.6,17.9,11.6,8.2
1923,5.7,9.6,12.1,12.3,18.9,22.4,30.5,31.3,23.2,19.6,11.1,6.3
1924,8.6,7.7,12.1,15,21.8,26,30.6,29.4,24.3,18.2,12.2,8.7
1925,7.9,8.4,9.5,13.3,18.3,23.5,27.9,29.9,23.8,17.5,10.8,10.1
1926,9,12.3,13.1,15.1,18.2,24.6,30.6,30.8,27.1,20,10.7,7.8
1927,8.7,8.8,11.5,15.4,20.2,25.4,28.1,29.5,25.7,19.3,12.1,9.5
1928,8.2,10.3,12.5,14.3,17.9,25.7,32.3,30.7,25.2,18.3,11.5,8.1
1929,7.1,9.4,11.7,14.9,18.2,24.9,29.6,28.8,24.1,17.2,11.3,9.8
1930,8.4,7.1,12,12.9,19.3,22.7,28.7,30.1,25,19.4,13.1,9.6
1931,8,8.3,12.8,14.2,18.6,26.2,29.9,28.7,23.3,18,12.1,7
1932,7.3,7.2,11.6,13.1,18.4,22.9,27.9,29,24.3,16.9,11.9,8.8
1933,7.1,8.9,11,15.5,20.4,23.3,30.2,31.4,25,18.4,10.2,6.5
1934,7,7.6,9.7,13,19.3,25.3,30.4,28.4,25.1,18.2,10.8,10.5
1935,6.3,8.3,11.8,15.1,16.8,24.7,30.8,29.5,25.8,17.1,11.6,9.7
1936,10.8,10.8,11,14,16.3,22.4,29.1,29.4,25.2,16.3,10.8,7.2
1937,9,11.5,11,15.1,19,24,30.4,30.2,24.7,18.1,13.3,7.8
1938,7.6,8,11.9,13.8,17.8,26.8,30.1,28.7,22.4,18.5,13.1,8.3
1939,9.9,9.2,10.7,13.3,17.5,22.7,29.4,28.9,24.5,16.9,12.1,9.1
1940,8.3,10.8,12.7,15.1,19.3,23.5,29.5,30,24.5,17.1,11.7,7.8
1941,7.6,10.6,12.1,13.5,17.4,23.8,29.2,29,23.9,18.1,11.7,8.2
1942,7.7,7.5,12.4,14.9,19.6,25.2,29.8,28.9,24.1,18.6,11.7,9.5
1943,9.8,8.8,11.3,15.1,20.6,26.5,28.8,28.8,24.2,17.5,11.2,8.9
1944,8.9,7.8,11.7,15.7,20.2,25.9,29.8,30.3,25.4,16.8,12,8.3
1945,6.2,9.6,12.2,17.3,21.3,25.9,31.1,29.6,26.5,18,13.7,10.5
1946,7.2,10.1,12,13.9,17.4,24.6,31.7,31.2,26.5,19,10.1,7.7
1947,5.8,8.1,11.9,13.7,16.4,24.9,31.2,30.4,25.1,16,14.5,8.8
1948,6.8,11,13.4,14.2,18.4,25.6,29,29.3,25,18,13.4,9.9
1949,8.6,9.1,10.8,16.3,19.7,25,31.4,31,25.6,18.8,13,9.2
1950,8.6,11,12.9,15.1,19.3,25.5,31.2,30.3,25.2,18.2,14,7.8
1951,7.8,8.7,12,13.6,16.8,24.4,29.4,28.4,24.5,17,11.9,10
1952,7.7,9.1,14,15,18.8,25.6,30.1,28.9,22.6,18,12.3,8.5
1953,7.1,8.1,10.2,14.3,20.5,23.9,29.6,30.4,24.2,16.6,12.8,10.6
1954,7.2,7.9,11,12.9,18.8,23.9,29,28.4,23.9,18,13.2,9.5
1955,9.7,9.6,11,15.1,20.9,25.2,30.8,30.2,25.3,18.2,11.7,10.5
1956,8.7,5.7,11.3,13.2,19.5,24,29.2,28.5,23.3,17.7,10.8,8.2
1957,8.1,10.6,13.6,13.4,17.7,23.4,29.5,29.8,25,16.9,11.3,7.4
1958,8.4,10.8,12.5,13.8,20.7,23.6,28.9,28.8,25.1,17.7,11.6,9
1959,9,8.8,12.1,15.5,18.5,24.7,30.3,29.2,24.5,18.3,12.2,8.8
1960,8.7,9.8,12.5,14.9,19.8,25.7,30.1,28.7,24.6,15.4,11.8,7.6
1961,8.5,11.5,13.2,16.1,21.6,25.3,30.6,30.1,25.7,18.2,11.7,9.9
1962,9.7,10.4,11.7,14.8,20,24.3,29.7,30.6,26.4,18.8,10.1,7.6
1963,7.7,7.9,12.3,14.3,19,23.5,30.2,28.6,23.8,19.5,12.2,8.2
1964,8.5,10.3,12.1,14.3,22,24.6,30.2,29.7,27.5,17.8,12.5,8.2
1965,8.8,7.9,12.8,15.3,21.5,26,28.1,29.5,21.7,16.7,11.9,9.4
1966,10.5,11.7,13.3,16,20.3,24.8,29.3,29.5,25.3,15.3,10.1,9.6
1967,8.8,9.4,13.5,13.9,18.8,23.9,30.6,30.4,23.7,19.4,12.5,8.2
1968,8.9,9.7,11.7,13.9,19.4,24.5,30.6,29.1,23.5,19.3,12.2,8.3
1969,9.2,8.6,12.1,15.3,19.5,23.5,30.4,29.5,21.8,17.5,12,8
1970,9.3,10.5,11.6,15,19.5,24,30.3,29.5,25.8,17.9,14.1,8
1971,8.5,10.7,10.1,13,17.1,23.7,29.8,29.8,25.5,20.2,10.7,8.3
1972,8.4,10.9,11.5,14.8,17.8,23.2,29.2,29.6,21.9,16.7,12.3,8.9
1973,9.3,9.8,11,14.3,20,24.8,29.3,30.7,25.3,17.6,13.3,8.2
1974,10,9,13.7,11.3,19.9,23.9,30.5,29.7,24.8,16.8,12.9,10.5
1975,9.8,10.1,10.9,14,17.1,23.3,31.1,30.7,23.7,19,12.4,8.5
1976,9.2,10,12.4,12.4,18.8,26,30.2,29.2,22.8,15.2,10.3,8.5
1977,8.1,9.8,13.3,15.2,18,22.3,27.4,27.4,24.2,17.6,14.9,9.5
1978,8.3,11.1,13.5,13.5,17.7,22.5,28.1,30.1,26.1,18.9,13,11.1
1979,10.2,10.2,11.9,14.6,19.6,25.9,30.8,29.9,21.7,16.7,12.6,10.1
1980,8.5,11.1,12.5,14.7,18.2,24.9,29.2,30.5,26.6,18.4,12.2,9.2
1981,8.3,9.7,13.5,13.6,19.4,25.8,29.7,28.5,25.4,19.2,14.8,10.1
1982,9.3,9.4,12.5,14.6,19.5,26.9,29.7,29.1,25,17.3,11.6,8.8
1983,9.6,8.1,12.8,14.9,18.4,25.9,29.4,27.9,26.9,20.6,13.9,10.2
1984,8.8,9.5,10.3,16.3,16.4,23.8,31,28.5,25,17.7,12,9.9
1985,7.8,11.3,11.8,16.3,18.3,25.4,31.1,30.2,27.3,21,12.7,9.2
1986,9,9.3,11.6,12.7,21.2,24.9,30.6,29.3,25.8,19.4,13.5,9.9
1987,8.1,9.8,13.4,16.6,19.9,25.9,30.3,30.4,27,17.8,12.5,9.8
1988,9.7,9.9,13.1,15.6,18.9,24.2,30.4,31.5,26.2,19.3,13.3,10
1989,8.6,10.8,13.1,14.4,21.1,27,32.8,31.5,24.6,19.7,13.3,11
1990,9.2,12.2,12.3,14.6,21.1,26.2,32.8,31.8,27.7,18.3,13,8.4
1991,9.2,9.2,12.4,14.9,20.1,26.5,32.4,32.6,26.6,17.1,12.8,9.8
1992,8,10.4,12.2,16.5,21.4,22.6,31,31.5,25.2,16.5,13.6,9.7
1993,9.1,9.3,12,14.9,19.1,26,30.7,30.9,22.6,15.3,11.6,9.6
1994,8.9,10.6,13.9,14.6,19.9,26.4,32.6,31.1,23.7,17.6,14.1,10.8
1995,10.5,11.8,12.6,16.4,21.6,24.8,30.9,30.3,22.7,20.1,14.2,10.6
1996,9.9,9.8,12.1,16,19,26.6,30.3,28.9,22.5,18.4,12.7,9.2
1997,8.9,12.6,14.3,17,20,24.5,29.3,30,25.7,20.5,12.9,9.8
1998,9.6,10.9,13.7,15,18.8,25.9,31.8,31.9,24.9,18.3,13.6,10.3
1999,9.5,10.1,12.2,17,20.8,26.7,31.2,30.1,24.8,18.6,12.2,9.3
2000,9.1,13,14.2,14.2,20.6,27.7,30.6,30.4,25.3,17.6,12.1,10.6
2001,10.2,11.5,15.1,16.8,19.1,27.3,30.1,30.8,25,19.8,11.5,8.8
2002,10,12.2,13.3,15.1,19.7,26.3,30.5,28.9,24.2,18.4,12.8,10.7
2003,9.4,9.2,13.1,15.3,21.3,28.5,31.1,32.4,25.7,18.1,12.7,10.1
2004,10.8,10.5,11.6,14.7,18.1,27.4,31.3,30.3,26.3,19.7,13.5,9.5
2005,10.5,8.9,12.3,15.9,21.9,27.2,31.2,30,24.1,18.6,11.8,9.4
2006,8.6,9.4,12.9,16.4,20.9,25.2,31.4,29.1,24.6,19.1,13.4,9.4
2007,9.5,11.7,13.1,15.1,20.6,25.3,30.9,30.6,25.5,18.8,13.3,10.1
2008,10.9,11.3,13.9,16.6,18.8,25.7,31.3,31.6,25.2,18.7,11.3,8
2009,8,9.5,13.4,14.9,21.2,26.5,31.7,31.9,25.2,20.2,14.6,10.5
