1901,8.8,7.3,11.9,17.8,21.7,30,32.6,33.1,24.6,17.2,10.8,7.3
1902,8.7,10.3,14.7,17.2,20.3,25.2,32.5,31.4,24.9,17.5,13.4,8.6
1903,8.5,11.6,14.6,17.9,19.5,25.6,31.6,32.7,25.2,19.6,13.8,7
1904,8.5,10,12.1,18.6,24.9,28.5,33.2,31.8,25.3,20.6,12.5,10.1
1905,8.1,9.9,14.5,18.9,21.2,25.8,32.5,31,23.7,17.8,10.6,8.4
1906,9.4,8.8,13.2,14.7,21.4,29.1,32.1,34.8,25.7,19.3,12.5,8.1
1907,8.1,9,15.8,16.2,20.3,29.3,31.3,33.4,26.6,16,12.5,10
1908,9.7,11,11.7,14.9,24.5,25.4,32.4,31.9,27.4,20.4,13.9,9.4
1909,7.5,8.8,11.9,19.5,22.4,23.8,32.2,32.3,24.2,20.2,11.8,9.8
1910,8.5,10.7,11.9,15.7,18.8,26.4,30.7,30.5,24.2,17.9,11.6,9.2
1911,6.5,11,11.2,15.2,20,24.3,32.6,32.5,27.7,17,12.1,9.7
1912,8.2,11.9,14.4,16.4,22.9,26.7,28.9,28.5,24.1,17.3,12,7.4
1913,9.6,10.4,13.7,15.8,21.6,29.6,32.3,30.4,22.9,18,12.9,7.7
1914,6.1,10.9,13.7,17.7,21.4,24.6,30.6,31.5,27.6,19.4,11.3,8.4
1915,7.7,9,13.3,15.2,21.5,23.7,32.9,33.1,25.5,17.9,12.1,9.4
1916,8.9,9.6,11,16.8,21.8,26.9,31.1,32.2,25,20.1,12.4,9.1
1917,7.1,9,11.4,14.8,22,27.3,33.6,30.5,27.8,17.6,12.5,10.1
1918,9,11.1,12.1,14.6,22.1,28.2,32,33.4,25.6,16.5,11.8,8.6
1919,7.5,11,12.2,15.8,22.6,29.3,30.7,33.9,25.6,16.4,10.5,7
1920,8.4,10.6,13.3,16.9,21.7,26,29.8,29.6,25.2,16.6,10.6,6.9
1921,8.9,10.3,13.7,16.6,20.8,28.5,32.7,31.1,26.3,20.9,12,8
1922,9.3,11.9,12.3,16,25.2,26,31.6,32.1,23.6,19.4,12.5,8.5
1923,7.5,11.1,14.8,14.8,22,25.8,32.7,34.3,25,21.4,11.8,7.1
1924,9.6,8.3,13.6,18,24.5,29.2,32.8,31.5,25.7,20.5,12.9,9.7
1925,10,10.2,11.9,16,20.6,26.5,29.4,31.5,25.7,20.3,11.2,9.6
1926,8.8,14.7,15.7,17.2,20.2,27,32.1,34,30.1,21.7,12.4,8.2
1927,9.4,10.5,13.4,19.1,22.8,27.6,29.4,30,25.8,21.6,12.5,9.6
1928,8.8,13.2,13.7,15.8,19.9,28.3,34.8,32.8,26,19.7,12.9,8.8
1929,7.4,11.1,14.7,18.3,20.4,27.7,31.9,31.2,25.4,19.3,12.3,10.3
1930,9.5,8.7,14.3,15.6,22.8,25.8,30.6,33,27.7,21.9,14.5,10.2
1931,9.2,10.8,15.1,17.5,21.7,29.3,32,30.7,25.7,20.4,13,8.3
1932,8.8,9.4,14.1,16,21.6,25.3,30.5,32.7,26,18.7,13.7,9.4
1933,8.1,10.8,13.8,20,24.2,26,34.4,35.7,27.1,19.8,11.3,6.5
1934,8.1,10.7,12,15.8,23.3,29.5,33.8,30.6,28,21.2,11.4,10.7
1935,7.8,11.7,14.9,18.5,18.6,27.5,33.8,31,28.3,18.9,12.4,10.2
1936,11.7,11.9,12.9,16.3,18.8,25,30.9,33.5,27.2,18.4,11.4,7.4
1937,9.1,12.8,12.4,17.7,22.8,27.7,34.3,33.7,26.5,20.7,13.9,7.9
1938,8.7,10.3,16.9,18.3,20.7,30.5,32.8,31.6,24.8,20.8,15,8.9
1939,10.8,12.1,13.9,16.2,21.2,25.8,32.3,32,27.2,18,12.8,8.7
1940,8,12.5,16.5,18.6,22.2,26.6,32.1,32.9,26.6,18,12.4,8.2
1941,7.5,11.3,13.9,15.7,18.6,27,31,30.6,26.6,21.7,12.1,8.6
1942,9,9.6,14.1,16.9,22.4,28.2,32.4,31.6,25.5,20.2,12.5,9.6
1943,10.3,11.7,14,19.6,24.1,30.2,30.5,32.4,25.8,19.6,12.7,9.3
1944,10.6,10.2,15.4,18.3,23.5,27.7,31.6,32.1,26.3,17.3,13,8.7
1945,5.8,12.8,17.3,22.3,23.6,29.7,33.4,31.2,30.4,21.3,14.4,10.6
1946,8.3,12.4,14.5,16.9,18.9,27.4,33.7,32.3,28,21.4,13.3,8.5
1947,8.5,10.5,14.6,20,21.7,30,33.8,32.1,26,20.8,16.8,9.3
1948,10.5,13.6,17.5,17.6,20.8,29.1,32.2,32.2,28,21.5,16.6,10.6
1949,10.4,13.7,14.4,21.4,22.8,29,34.5,34.8,26.2,21.5,14,10.4
1950,10.2,13.3,16.4,19.3,21.9,29.3,34.9,32.9,28,21.1,15.7,8
1951,9.1,9.7,14.1,17.6,18.3,27.5,32,30.2,26.9,18,12.3,10.9
1952,7.5,11.7,17.2,17.8,21.7,29.1,31.7,29.9,23.8,20.6,14.4,9.5
1953,9.7,11.3,14.4,17.8,25.9,26,31.8,33.7,27,18.6,15,13.3
1954,8.6,10.6,13,16.8,22.3,27.3,32.6,30.3,28.3,22.5,15.4,11
1955,11.1,10.7,13.4,21.2,25.2,27.6,32.3,32.3,26.7,20.1,13.1,11
1956,9.7,8,14.4,15.4,22.5,27.2,30.1,30.4,25.2,19.8,11.7,9.4
1957,8.2,13,17.7,17.2,21.1,25.7,33.1,33,27.8,19.7,12.9,8.3
1958,9,13.3,13.5,16.3,23.8,25.1,31.5,30.9,28.6,19.7,14.2,9.5
1959,10.2,11.4,13.2,18.5,19.9,27.2,32.9,30.2,23.8,18.9,13.5,9.1
1960,9.3,10.7,14,19.4,23.1,29,31.5,30.4,26.6,16.1,12.3,7.9
1961,8.8,15.2,18.2,19.1,24.9,28.5,32.5,32.6,27.9,19.4,12.9,10.8
1962,11.6,12.6,13.3,17.6,23.5,27.7,32.6,34,28.7,21.3,10.8,7.9
1963,9.1,8.7,14.5,17.5,23.2,26.6,32,31,25.3,23,14.4,9.2
1964,8.7,12.8,14.1,17.7,26.8,27.7,32.5,32.4,29.6,19.8,14.1,8.6
1965,9.6,9.7,14.3,18.4,25.4,29.7,31.6,31.9,23.8,18.9,12.4,10.2
1966,11.6,12.9,15.2,17.6,23.9,27.2,32.1,32.5,28.3,17.5,10.7,10
1967,9.2,11.3,16.9,16.9,20.5,25.9,33.9,32.1,26,21.7,13.6,8.2
1968,10.7,11,13.4,16.9,22,28.8,32.8,31.3,26.2,23.2,13.7,9.6
1969,11,9.7,13.5,17.2,20.5,25.6,32.7,31.7,22.8,19.9,12.6,8.5
1970,10.5,12,13.2,18.8,22.4,27.4,32.9,31,29.5,20.2,16.1,7.3
1971,9,12.9,11.2,16.1,18.8,25,31.2,30.7,27.6,22.2,12.3,10.1
1972,8.4,11.5,13,17.7,20.8,26.8,31.4,30.5,22.7,17.6,13.8,9.3
1973,10,11.6,13.8,18.1,22.3,26.9,31.7,33.4,27,19.4,14.7,8.8
1974,11.3,10.7,13.9,15.1,22.7,26.3,32,31.7,26.7,17.8,14.2,11.1
1975,11.5,12,12.1,17.2,19.6,26.4,33.2,31.7,24.6,21,13.4,8.8
1976,11,11.7,15.2,15.2,23.5,29,31.3,30.2,24.2,17,12,10.5
1977,9.3,11.8,15.8,19.2,19.9,24.4,28.4,28.9,27.7,20.1,13.5,11.5
1978,9.5,12.8,15.8,16,19.3,24.2,31.9,32.4,29.1,20.8,13.9,11.6
1979,10.8,11.7,13.3,16,22.5,28.6,32,32.3,26.2,18,14.3,11.1
1980,9.9,12.7,14.4,17.3,19.9,27.2,31.4,32.5,29.1,20.5,13.3,9.7
1981,11,11.8,16.7,16.4,21.5,29.5,32.1,32,27.8,21.9,17.3,11.2
1982,11.5,12.3,15.9,18.6,23.8,29.4,32.8,31.9,26.7,19.5,13.6,9.9
1983,11.5,10.5,17.3,16.9,20.3,29.9,32.7,30.2,29.9,23.1,15.6,10.8
1984,9.9,11.8,12,19.7,16.5,26.5,33.5,30.7,27.4,20,13.6,10.9
1985,8,13.5,14.3,18.8,20.9,28.4,34.2,33.5,31.2,23.6,13.5,10.2
1986,9.5,10.2,14.8,13.9,25.2,29.5,34.2,32.4,27.6,21.5,14.8,10.3
1987,9.1,11.6,16.5,19.2,23.2,29.3,32.1,33.8,30.5,18.6,14,11.7
1988,11.3,12.2,17.4,17.5,21,25.1,32.4,33.8,29.3,21.6,14.6,11
1989,11.2,13.3,17.7,16.1,24.7,29.6,34.9,34,26.5,22.6,15.3,12
1990,10.7,15.7,16.8,16.4,24.6,30.8,35.1,33.8,29,20.1,14.1,9.2
1991,10.1,10.7,14.8,17.3,22.9,30.9,34.9,35.5,28.8,18.7,14.3,10.4
1992,9.3,12.5,16.4,19.7,25,24.5,34,33.9,27.6,18.4,15.8,10.9
1993,11.2,11.6,15.8,17.7,21.5,28.3,33,33.8,25.6,16.3,13.2,10.7
1994,10.6,12.6,19.4,18.1,23.1,30.5,35.6,34.5,25.7,20.5,15.9,11.3
1995,11.6,14.4,17.2,20.8,25.7,29.4,34.6,33.4,25.2,23,16,11.5
1996,11.2,10.9,14.7,19.3,21.9,30.2,33.2,32,25.1,20.9,14.5,10.3
1997,10.4,15.5,20.4,21.5,22.8,26.9,31.4,32.8,29.2,22.6,13.7,10.6
1998,11.2,14.1,18.7,16.4,21.6,29.8,34.5,34.6,27.2,20.6,14.7,10.6
1999,10.7,12.5,15.5,20,24.2,29.8,34.5,33.6,27.2,20,12.8,10
2000,9.8,16.1,17.4,15.4,24.1,30.7,32.6,33,28.3,20.6,13.1,11
2001,10.6,13.2,16.7,19.9,22.7,31.2,32.8,33.9,27.2,21.9,12.9,8.8
2002,11.5,14.7,15.9,19.1,22.2,30.9,33.4,31.8,26.4,20.5,14.2,11.6
2003,10.4,10.9,17.1,18.9,25.5,32.8,34.8,35.9,28.9,19.3,14.7,10.5
2004,11.9,12.9,14.2,17.9,21,31.8,34.1,32.3,29.6,21.4,14.5,10.8
2005,11.6,10.5,15.9,20.2,26,32.6,34.8,34.1,28.1,21.4,13.1,10.1
2006,9.9,11.6,15.9,20.6,26.3,30.6,35.5,32.6,28.9,22.4,16,10.5
2007,11.2,13.8,15.7,19,23.4,27.6,33.5,32.6,28.3,21.3,15.2,10.5
2008,12.8,14,16.6,19.8,21.6,28.7,33.9,34.7,27.2,20.8,12.3,9.5
2009,9.4,12.3,17.5,18.3,26,31,35.3,36,28.8,23.6,15.8,10.7
