1901,7.9,9,11.8,14.3,15.6,21,24.6,24.2,22.6,18,13.2,11.4
1902,9.3,10.8,10.8,14.2,15.3,19.9,24.9,25,22.7,18.1,13.1,9.7
1903,9.2,8.7,11.2,12.2,17.1,19.1,23.1,24.4,21.5,17.9,12.8,11.2
1904,9,10.9,10.9,13.8,18,21.9,25,24.1,21.1,16.6,11.5,9.8
1905,6.4,7.1,11.4,13.8,16.4,19.9,24.7,25.3,23,16.3,14.4,10.8
1906,8.9,7.8,11.3,12.4,16,20.6,24.2,24.6,21.3,16.7,14.2,8.9
1907,7.3,7.4,8.2,12.2,18,20.5,23.6,24.6,21.4,19.3,14,11.1
1908,9.2,8.8,10.5,12.2,19.1,18.4,24.2,24.1,20.7,17.4,12.4,9.5
1909,7.7,7.1,11.1,13.5,16.9,20.4,22.7,23.5,21.6,17.8,13.3,11.8
1910,9,9.6,10.5,13.7,15.8,20.3,22.5,23.6,19.3,18.7,13.1,11.6
1911,7.8,7.2,10.7,12.6,16.2,21,24,25.3,21.9,18.7,14.9,12.4
1912,9.7,11.4,12.8,12,16.6,21,25.1,24.1,19.3,18.3,11.4,10.2
1913,10.7,9.6,12.2,13.9,17.6,22.3,23.7,24.6,24.5,19.5,15.9,11.5
1914,8,9.7,11.8,14.5,17.6,20.3,23.7,23.4,21,16,12.3,10.8
1915,9,8.8,11.3,12.5,16.9,21.7,24.8,24.6,20.3,17.2,13.8,12.7
1916,9,9.9,12.7,13.7,17.9,23.4,25.9,24.2,21.9,18,14.2,12.3
1917,9.7,9,11.2,12.7,16.7,22.3,24.7,26,23.1,17.9,12.7,8.9
1918,8.8,8.4,10.3,13.3,17.2,20.2,24,23.2,23.7,17.4,13.4,10.6
1919,9.3,10,10.9,13.6,15,21.5,23.6,24.5,22.2,17.2,13.5,9.3
1920,9.6,9.7,11.9,14.7,19.4,22,25.8,25.2,22.2,18.2,12.9,11.1
1921,10,9.3,10.9,12.5,18,20,25,24.8,22,18,13,10
1922,8.7,9.9,12.8,14.8,17.8,22.5,24.7,26.2,22.6,18.4,12.2,9.3
1923,8.1,9.5,10.5,13.5,18,18.8,24.1,24.5,22,18,15.5,10.6
1924,7.9,9.2,11,14.5,19.6,22.7,25.1,24.3,24.4,18.2,14.1,11.2
1925,9,10.3,10.4,13.4,16.3,21.6,24.2,25.4,22.7,18,14.8,10
1926,9.7,11.4,11.3,14,16.4,20.1,22.8,23.2,23.2,19.5,17.3,10.6
1927,9.3,8.5,12.3,13.9,18.5,24,25.9,25.7,23.3,17.3,15.6,11.7
1928,9.9,9,10.7,14.5,16.7,22.4,26.3,26.8,23.6,18.9,14.2,9.6
1929,7.4,6.7,10.1,13.5,18.1,22.3,25.3,24.1,22.1,17,14.4,10.8
1930,10.2,9.1,11.9,13.8,16.8,22.5,25,24.1,21.3,16.8,13.6,11.1
1931,10.1,8.9,12.2,12.7,17,23.2,25.7,25.6,21.1,17.2,14.6,9.8
1932,9.1,7.9,10.6,12.6,17,19.7,23.4,24.4,24,20.6,15,12.9
1933,9.5,9.9,10.8,13.3,15.8,18.6,23.5,24,21.5,19.3,15.4,11.1
1934,8.9,9.3,11.5,14.7,17.7,21.4,24.6,24.3,22,18.3,15.6,12
1935,7.3,9.5,9.9,13,16.1,22,24.9,24.6,22.4,19.6,15.8,11.1
1936,12,10.4,12.1,13.9,16,19.6,24.3,23.8,21.9,16.7,13.9,10.7
1937,9.8,10.9,11.5,13.1,16.8,22.3,23.5,24.6,21.9,18.7,15.1,10.2
1938,8.9,8.7,10.3,11.5,15.5,21.5,24.2,24.7,21.3,18.6,14.8,11.6
1939,10.7,10.6,9.2,13.3,15.3,19.8,25.1,24.5,22,19,14.6,11.1
1940,8.8,10,10.5,12.5,16.1,18,22,23,21.5,18.2,14.8,8.1
1941,9.6,10.4,11.9,11.7,15.8,21.2,24.9,24.6,19.8,16.7,12.9,9.1
1942,6.6,8.2,11.6,14.2,18.1,21.5,24.5,23.6,22.9,18.3,13.2,11.8
1943,8.2,9.4,10.9,14.5,17.5,21.2,24.8,25.4,24.1,18.9,14.3,11.7
1944,8.4,7.7,8.7,13.8,18.4,23.5,24.2,24.7,23.2,17.6,13.2,10.5
1945,7.1,8.6,10.4,14.8,19.8,23.8,26.3,25.2,22,16,13,10.2
1946,8.9,8.9,10.8,13.5,17.3,21.6,24.8,25.3,23.6,18,14.8,9.5
1947,7.7,10.5,13.5,14.5,16.9,22.2,25.8,25.1,22.9,17.6,14.9,9.9
1948,10.3,9.4,10.9,13.3,17.7,21,22.9,24.5,21.1,18.5,13.3,9.9
1949,9.5,9,9,14,17.4,21.2,24.2,23.7,22.5,17.9,13.5,11.7
1950,8.6,9.6,11.4,14,19,23.1,26.4,24.8,22.5,17.6,13.6,10.6
1951,9.9,10.4,11.5,13,16.7,21.9,24,24.7,21.8,16.2,14.4,10.4
1952,8.8,8.2,11.1,14.2,16.9,23.6,25.9,26.4,23.5,18.6,13.4,10.7
1953,7.3,8.3,9.1,13.8,16.9,20.9,25.3,24,22.2,18.7,13,11.6
1954,7.9,8.5,11.7,12.1,15.6,22,22.9,23,22.6,16.2,13.1,10.8
1955,11.6,11.6,11.2,12,17.7,21.4,24.6,23.8,21.1,17.3,13.6,11.9
1956,10.4,7.3,9.4,12.6,16.6,19.8,24.1,25.3,23.1,16.9,13.3,9.6
1957,8.8,10.9,10.8,13.2,15.9,22.1,23.7,24.8,21.4,18.3,14,10
1958,9.1,10.2,10.2,11.9,18,21.3,23.9,25.6,21.8,18.1,14.6,12.3
1959,8.8,9.3,12.1,12.9,16.5,20.1,24,24.1,21.8,16.3,13.7,11.3
1960,9.5,11.1,11.7,13,17.6,21.3,23.2,24.8,21.3,18.8,15.3,11.4
1961,9.5,9.8,11,14.8,17.8,21.5,23.9,24.1,22.5,18.6,15.2,11
1962,10.8,8.5,11.3,13.3,17.2,20.5,24.1,25.1,22.9,18.6,14,9.5
1963,8.6,9,10,12.7,16.3,21.1,24.9,24.8,21.9,16.5,15,12.4
1964,8.5,9.7,12,13.1,17.5,21.5,23.6,23.7,21,17.2,14.1,10.3
1965,9.5,7,10.5,12.1,16.6,20.8,25,23.4,21.5,17.1,14.6,11.2
1966,9.5,11.2,10.1,13.6,16.5,21.4,23.5,24.3,21.2,18.9,12.4,9.6
1967,8.7,9.7,10.9,12.8,17.2,19.5,24.2,24.9,21.4,18.8,15.3,10.2
1968,8.1,10.5,10.1,14,17.6,20.7,24.2,23.4,20.9,17.2,14.3,11
1969,8.9,9.6,11.4,12.5,18.1,20,22.4,23.9,21.5,17.3,15.3,9.4
1970,10.3,10.1,10.7,13.4,15.4,21.1,23.3,24.6,21.5,16.6,14.1,11.3
1971,9.8,9.3,9.3,13.2,17.2,19.3,23.5,25.5,20.4,15.5,12.5,9.5
1972,9.6,10.4,11.6,13.4,16,21.4,23.2,23.2,20.9,15.3,13.4,11.1
1973,9.8,9,9.1,11.6,17.8,21.4,24.7,24.1,22.4,17.8,13.3,11.5
1974,10.1,9.2,11.3,12.6,16.5,20.9,23.5,24.2,21.9,15.5,12.8,9.9
1975,9.1,9,11.3,12.5,17,20.2,23.5,23.5,22.2,16.7,13.2,11.4
1976,8.9,9.5,10.3,12.4,17.1,20.2,23.7,22.8,20.2,17.3,12.5,10.9
1977,10.4,10.5,12,12.8,17.3,20.4,24.1,23.4,20.9,17.4,14.5,10.2
1978,8.9,10.2,10.8,12.3,16.5,21.1,23.2,23.4,20.6,16.3,11.8,11.6
1979,9.1,10.9,11.6,12,16.5,21.9,24.1,23.9,20.9,18.2,12.6,10.9
1980,8.6,10.2,11.2,11,15.2,19.9,23.2,25,22.2,17.9,15,8.8
1981,7.6,8.2,12.1,14.1,17.6,22.6,23.9,24.1,22,19.4,12.1,11.1
1982,11.4,9.1,10.2,12.8,17.2,23.7,26.2,25.7,23.2,19.1,14.6,10.3
1983,8.4,8.1,10.9,14.1,17.5,20.8,25.7,25,22.5,17.4,14.3,10
1984,9.4,8.8,10.3,12.5,16.9,20,24.4,24,21.3,18.5,15.2,11.7
1985,9.5,10.4,10.8,14.4,17.6,22.4,24.6,24.8,22.4,18,15,11.5
1986,9.5,9.4,11.2,13.5,18.8,21.6,24.2,26.2,22.5,18.6,14.6,9.8
1987,9.7,10.5,8.6,13,15.6,21.2,26.1,26,24.4,20.4,14.8,11.9
1988,11.6,10,10.7,13.9,18.2,21.6,26.3,25.9,22.1,19.3,12.9,9.8
1989,9.4,10.5,12.9,14.2,16.6,21,25.1,25.1,22.2,16.8,14.4,12
1990,10.4,12.1,12.8,13.8,17.6,21.9,21.7,24.6,23,20.4,15.1,9.9
1991,9.9,9.6,13.2,12.4,14.8,21.1,24.8,25.4,23,19.2,14.1,8.2
1992,9.9,9.6,11.2,13.8,17.3,21.1,23.6,26.4,22.9,19.8,14.7,12
1993,9.9,8.3,9.9,13.4,17.9,22.5,24.4,26,22.7,18.4,14.4,11.7
1994,10.8,10.4,12.8,13.3,18.6,21.6,25.8,27.5,23.4,19,15.3,11.4
1995,9.1,11.6,10.6,12.8,17.3,21.8,25.9,25,21.4,17.6,13.2,12.1
1996,10.9,9.5,10.5,13.2,17.5,21.6,24.4,25,20.6,17,14.5,11.2
1997,10.8,9.5,11.6,11.6,18.2,23.2,24.6,24.4,22.1,18.2,14.9,10.9
1998,10.2,11.2,10.5,14.5,17.4,23.1,25.8,26.1,22.1,18.7,13.1,9.3
1999,9.5,8.1,10.9,13.6,19,23.2,24.5,27.1,23.3,20.3,15.1,11.4
2000,8.5,9.6,11.4,14.3,19.2,22.6,25,25.7,22.3,18.5,15.7,12.4
2001,11.4,10.6,14,13.6,18.5,22.4,25.2,25.9,22.4,20.4,14.5,8.7
2002,8.6,11.5,12.7,13.6,17.7,23,25.2,24.7,20.7,17.7,14.9,10.7
2003,10,6.5,9.8,13.3,19.4,23.3,27.2,26.6,21.7,19.1,15.4,10.6
2004,9.1,10.9,11.2,13.8,16.7,21.9,25.2,25.7,21.4,20.1,13.9,11.3
2005,8.3,8.1,11.1,13.2,19.6,22.9,25.9,24.6,22.4,18.5,14.7,10.5
2006,9.4,10,11.9,14.9,19.6,22.7,25.3,25.3,22.4,18.9,14.6,12.3
2007,11.6,11.3,12.1,14.9,18.5,23.4,25.9,26.3,22,18.2,13.5,9.6
2008,10.8,9.6,12.5,14.9,18.4,22.3,25.5,25.7,22,18.9,14.9,10.6
2009,10.4,8.6,11.8,14.3,19.3,22.7,26.1,26.3,22.4,17.3,14.5,12.4
