1901,7.7,6.1,10.8,14.1,15.8,21.7,23.9,23.8,21.4,16.9,11.8,10.2
1902,8.9,10.3,11.4,15.2,14.4,19.5,24.1,24.1,21.7,17.1,12.2,9.7
1903,9,9.5,11.1,11.5,17,19.2,23.5,23.5,21.4,17.5,12.2,10.5
1904,9.2,10.1,11.4,14.6,17.6,22.1,25.2,24.7,19.9,16.4,10.8,9.6
1905,6.4,7.3,11.4,14,16,20.7,25.4,24.1,21.6,14.8,13.3,10
1906,8.5,7.2,10.3,13,16.1,20.5,23.2,24.4,20.6,17.5,13.4,8.6
1907,7.3,7.3,9,11.9,16.8,20.4,22.5,24.5,21.9,18.4,13.8,11.6
1908,8.1,8.4,9.8,11.8,18.8,21.4,23.5,23.4,20,17.4,12.2,9.5
1909,7.3,6.3,10.5,14,16.9,19.6,21.8,23.7,20.2,17.9,12.2,11.9
1910,9,9.1,10.5,13.1,15.4,20.1,21.8,23.1,19.1,18,11.8,11.3
1911,7.1,8.1,11.3,12.5,16.4,20.7,24.5,25.9,22.4,18.2,14.6,11.5
1912,10.3,11.8,12.7,12.5,17.4,20.1,23.4,22.4,18.3,16.3,10.4,10.1
1913,10.1,8.6,11.3,12.8,16.6,20.9,21.5,23.2,21.8,18,14.3,9.9
1914,6.7,10.2,11.8,15,16.6,19.4,22.6,23.1,20.4,16.3,12.2,11.1
1915,8.8,8.8,10.6,12.9,18.1,21.4,23.4,23.6,19.8,15.3,12,12.4
1916,9.5,9.8,12,13.8,17.7,20.7,23.6,23.4,19.4,16.3,13.1,11.3
1917,7.9,8.5,10,12,18.3,21.9,23.8,24.6,22.5,16.7,11.3,8.2
1918,8.8,7.9,10.3,13,16.8,19.4,23.4,23.2,22.8,15.8,12.6,10.5
1919,9,8.6,10.9,12.7,15.3,20.8,22,24.4,22.1,15.4,12.2,9.5
1920,10.2,10.1,11.6,14.2,19.8,20.8,24.2,23.8,21.6,17.3,12.9,10.2
1921,10.2,8.9,10.6,12.7,17.7,20.3,24.6,24.3,22.8,18.7,12.4,9.3
1922,8.7,9.5,12.6,13.6,18.6,22.1,23.4,25.4,19.7,17.1,10.7,9
1923,7.5,9.8,10.7,13.4,17.2,18.6,25.1,25.7,21.1,18.4,14.1,9.3
1924,8.3,7.7,10.9,14.3,19.1,21.9,25,22.9,22.4,17.2,12.9,10.3
1925,9.3,10,8.8,13.6,16.9,22.1,23.1,24.4,20.5,17.7,12.5,9.4
1926,8.9,11.9,11.8,14.6,16.1,19.8,22.7,23.5,23.1,19.8,16,9.1
1927,8.9,8.5,11.6,13.9,18,22.4,24.4,25.1,21.6,16.8,14.4,11.1
1928,9.4,9.3,11.1,14.2,15.6,21.5,25.2,26,22.3,17.6,12.8,8.6
1929,6.2,4.5,9.9,12.8,17.4,21.7,24.6,23.8,22.6,18.5,13,10.4
1930,10.3,8.7,12.2,13.5,16.4,22.7,24.6,23.9,22.1,17.1,13.8,10.2
1931,9.7,7.7,11.2,12.9,17.5,23.7,24.3,24.5,19.6,17.5,14.1,9.3
1932,10,6.6,10,12.6,16.6,19.5,22,25,23.9,17.8,13.9,12.1
1933,8.5,8.7,11.1,14.1,16.2,18.5,23.6,24.6,22.1,19.1,12.3,8.4
1934,8.5,9.6,10.5,14.5,17.8,20.9,24.3,23.3,21.3,17,12.8,11.4
1935,7,9.2,10.4,13.3,14.9,22.2,24.5,23.8,21.8,18.3,14.2,10.1
1936,11.6,10.4,12.3,13.4,16.3,19.9,23.4,23.5,21.3,15,12.2,10.5
1937,9.3,11.2,11.1,13.7,17.6,22.1,23.7,23.8,20.8,17.7,14,9.4
1938,8.4,8.2,12.2,11.7,15.3,21.8,23.3,23.9,20.9,17.9,13.7,9.9
1939,9.9,10.5,9.3,14,14,20.4,24.2,24.2,20.5,17.2,13.3,10.4
1940,7.3,8.8,11.5,13.4,16.4,19.6,22.4,22.3,21.5,17.4,12.9,7.5
1941,8.4,9.8,11.5,12.9,15.3,21.2,24.8,24.1,20.1,16.7,12.4,8.1
1942,5.6,7.3,12.8,14.9,18.2,22.5,24.7,24.2,23.1,19.4,12.3,11.6
1943,8.2,10,12.4,14.9,18.4,21.6,25.1,25.7,24.2,19,12.5,11.6
1944,7.7,7.4,9.3,14.9,18.3,21.2,24.6,26.7,22.1,17.1,12.6,9.5
1945,5.9,9,11.7,16,19.1,24.2,26.5,25.2,22,16.7,11.9,10.1
1946,8.4,9.3,9.5,14.7,15.3,21,24.5,25.3,23.3,17.6,13.1,8.5
1947,6.9,9.7,13.1,14.1,18.4,22.9,25.8,26.1,22.6,17.6,14,9
1948,9.8,8.6,11.9,14.2,18.1,20.8,22.3,24.2,21.1,18.7,12.9,10.1
1949,9.9,7.9,9,14.8,17,21.2,24.6,24.7,24,18.7,12.4,11
1950,8.5,10.1,11.3,12.9,18,23,25.7,25.5,21.9,17.5,13,9.5
1951,9.8,10.6,10.9,13.2,16.3,20.8,23.7,24.2,22.6,16.7,14.2,9.5
1952,8.3,7.9,11.5,14.7,17.5,23,26,25.3,21.1,17.6,12.3,10.4
1953,6.2,7.7,9.8,14.1,17.7,19.2,22.9,23.3,22.6,18.6,12.7,12.4
1954,7.5,8.4,12.1,12.9,16.2,21.5,22.1,22.5,21.5,16.8,13.2,11.3
1955,12,11.2,10.9,13.3,17.5,21.3,24.6,23.6,20.9,16.5,12.7,12.4
1956,10.5,5.3,10.3,12.8,17,19.1,23.1,24.4,22.4,15.9,11.6,9.1
1957,8.3,11.2,11.7,13.6,15.8,21,23.3,24,20.5,18.3,14,10.4
1958,9.1,10.5,10.5,12,17.8,20.5,23.1,24.5,22.2,18.1,13.8,12
1959,9.1,10.2,12.9,13.7,16.7,20.7,24.3,24,21.7,16.5,12.7,11.6
1960,9.5,10.6,11.9,13,17.4,22.2,22.9,23.7,20.4,17.8,14,10.3
1961,9.5,10,11.2,15.1,17,20.9,23.5,23.4,22.5,17.7,13.9,11
1962,10.2,8.8,10.3,13.7,16.4,19.8,23.3,24.3,22.1,18,12.5,8.7
1963,8,8,10.2,13.9,16.4,20.5,24.7,23.8,21.2,16.4,15.6,10.7
1964,8.1,10.1,12.1,13.5,18,21.9,24.4,24,21.3,16.7,13.8,10.2
1965,9.3,6.5,11.1,12.5,16.3,20.5,23.6,23.4,20.2,18.4,15.2,11.9
1966,9.4,11.9,10.5,14.5,17.4,21.7,22.3,23.2,21.4,18.7,11.9,9.9
1967,8.6,10,11.8,13.2,17.1,19.5,24.7,24.7,21,18.7,15.1,10.3
1968,8.5,10.9,11.3,14.5,17.9,20.6,23.7,22.7,20.8,17.7,13.6,10.8
1969,9.1,9.2,11.4,13.4,17.9,19.2,22.9,23.9,21.2,18,14.5,8.9
1970,11.3,10.3,10.3,12.9,15.9,21.6,23,24,22.1,17.2,14.1,10.7
1971,9.8,9.2,8.7,14.6,17.8,20,24.3,26.3,21.6,17.6,12.6,9.7
1972,9.8,11.3,12.6,13.3,16,20.3,23,22.6,19.8,16.5,14.1,11.1
1973,9.9,8.8,9.7,11.8,17.7,21.6,24.4,24.9,22.6,17.9,12.9,10.1
1974,10.4,10.5,12,12.8,16.7,20.4,22.8,24.1,21.1,14.3,12.3,9.6
1975,9.9,9.3,10.6,13,16.7,19.6,23.6,24,22.5,16.5,12.2,10.5
1976,9.2,10,10.5,12.7,17,21,23.9,23,20.1,17.4,12.3,11.2
1977,10.9,11.6,12.4,13.2,17.5,20.3,23.6,23,20,18.5,13.6,10.6
1978,9.2,10,11.3,12.3,16.1,20.4,22.5,23.4,20.8,16.3,11.5,12.5
1979,9.8,10.8,12,12.2,17,21.9,24.1,23.7,20.7,18.1,11.9,11.1
1980,9.3,10,11.3,11.9,15.5,19.5,21.5,24.6,21.6,17,13.3,8.2
1981,7.3,7.8,12.3,14.4,16.6,21.2,22.4,23.7,22.1,18.1,11.7,11.6
1982,10.6,9.4,10.4,13.8,17.2,22.1,25.9,24.5,22.9,18.4,14.3,10.8
1983,9.3,8.2,11.2,14,17.6,21.3,26.2,24.7,22,17.4,13.9,10.3
1984,9.4,8.2,10.4,12.5,16,19.8,23.8,23.4,20.1,17.2,14.7,10.4
1985,7.1,10.3,10.4,13.9,16.8,21,25.4,23.8,22.1,18.2,13.3,11.3
1986,9.5,8.6,11.6,13.5,18.6,19.9,23.7,25.1,22.1,19.1,13.8,10
1987,9.4,9.9,9.6,13.8,15.6,20.5,25.2,25.3,23.8,19.7,13.8,12.1
1988,11.5,9.6,11.2,14.1,18.5,21.1,25.4,25.1,21.2,19.5,12.6,9.7
1989,8.8,9.8,12.8,14.1,17.4,20.8,24.7,25.3,21.4,16.5,13.4,12.1
1990,9.4,12.2,12,13.6,18.3,21.6,24.6,24.8,22.2,20.2,13.2,8.2
1991,9,9.1,13.3,12.2,14.7,20.1,24.3,25.4,23.4,17.5,12.9,8.5
1992,9.3,9.1,11.6,13.7,18.2,20.5,23.7,26.2,22.3,18.3,14.9,11.6
1993,9.9,8.2,9.9,13.8,18.3,21.9,23.4,25.2,22.1,18,12.6,11.5
1994,9.9,9.7,12.4,12.8,18.3,21.2,25.8,27.1,22.7,18.1,15.4,11.8
1995,8.6,11.1,10.4,13.2,16.9,19.9,25.3,25.1,20.2,18.3,13.2,11.9
1996,11.7,8.8,10.7,14,17.5,21.5,23.9,24.7,20.1,16.9,14.2,11.3
1997,10.7,10.8,11.7,13.1,18.2,22.5,24,25.4,22.7,18.9,14.6,11.3
1998,9.8,10,11.1,14.2,17.9,21.9,24.5,25,21.4,17.3,12.1,9.3
1999,9.3,8.2,11.5,14,18.9,22,24.9,26.3,23.5,19.2,13.2,10.3
2000,8.5,10,11.9,14.5,19.4,22.3,23.8,25.4,21.9,18.3,14.5,12.5
2001,11.7,10.1,14.3,13.5,18.7,21.6,24.9,25.7,20.6,20.3,14.1,9.4
2002,8.6,10.9,12.5,14.7,17.9,22.5,24.4,24.3,21.2,17.9,15.3,11.7
2003,9.9,7.8,11.1,13.9,19.3,23.7,26.6,27.9,22.2,18.2,14.9,10.8
2004,9.7,10.7,11,13.6,16.4,21.5,24.4,25.2,22.4,19.8,13.8,11.9
2005,8.4,7.1,10.3,13.5,18.3,22.7,24.9,24.4,22,18.5,13.6,9.5
2006,8.4,9.4,11.3,14.6,18.6,22.2,26.9,24.1,22.1,19.2,14.7,11.8
2007,11.5,11.3,11.6,15.6,18.7,22.3,24.3,24.5,21.6,17.8,13.3,10.3
2008,10.7,9.7,11.8,14.6,18.9,21.8,24.9,25.2,21.9,18.6,14.1,10.8
2009,9.8,8.8,11.5,14.9,19.8,22.5,25.2,26.4,23.1,18.3,14.2,11.2
