1901,7.8,7.8,11,13.6,14.7,20.7,23.7,23.3,21.7,17.1,12.5,10.7
1902,8.6,10.1,10.2,13.6,14.3,19.2,24,24.1,21.8,17.4,12.6,9.6
1903,9,8.2,10.2,11.3,16.3,18.3,22,23.4,20.8,17.3,11.9,10.4
1904,8.5,10,10.4,13.1,17.1,21.3,24.1,23.5,20.1,15.9,10.9,9.4
1905,6.4,6.4,10.6,13.2,15.7,19.4,24,24.2,22,15.5,13.6,10.3
1906,8.6,6.9,10.2,11.8,15.2,19.8,23.1,23.7,20.5,16.2,13.5,8.4
1907,6.9,6.7,7.6,11.3,16.8,19.9,22.8,24.1,20.9,18.4,13.3,10.6
1908,8.8,7.9,9.7,11.2,18.4,18.9,23.2,23.4,20.1,17,12.2,9.2
1909,8.2,6.9,10.5,12.3,16.6,19.7,21.6,22.9,20.8,17.4,11.4,11.8
1910,8.4,8.4,9.5,12.6,14.9,19.5,21.7,22.8,18.6,18.3,12.3,11
1911,7.1,6.8,10.2,11.7,15.3,20.3,23.3,24.8,21.6,18.5,14.2,11.9
1912,9.5,10.9,12.2,11.5,16.5,19.9,24,23.1,18.6,17.2,11.7,9.6
1913,10,8.3,11,12.7,16.6,21.1,22.3,23.7,23.3,18.1,15.1,11
1914,7.9,9.5,11.2,14.2,16.9,19.6,22.7,22.9,20.3,16,12,10.7
1915,8.7,8.1,10.5,11.7,16.7,20.9,24,23.9,19.7,16.3,13.6,12.4
1916,8.8,9.6,11.8,12.9,17.2,22.2,24.8,23.1,20.3,16.9,13,11.3
1917,8.7,8.8,10.3,11.8,16.7,21.6,23.6,25.3,22.5,17,11.7,8.3
1918,8.4,7.8,9.3,12.4,16.2,19.1,23.1,22.5,22.9,16.3,12.8,10.3
1919,8.7,9.1,9.9,12.2,13.9,20.5,22.7,23.6,21.4,16.3,13,9
1920,9.4,9.2,10.8,13.6,18.6,21,24.4,24.2,21.4,17.7,12.6,10.7
1921,9.6,8.8,10.1,11.7,17.1,19.7,24.3,24.1,21.9,18,12.6,9.9
1922,8.5,9.6,12.4,14.1,17.4,21.8,23.6,25.6,21.3,18.1,11.7,9
1923,7.5,8.8,9.7,12.6,17.2,18,23.3,24.1,21,17.6,14.6,9.8
1924,7.7,8.3,10.3,13.6,18.7,21.9,24.3,23.5,23.4,17.8,13.3,10.7
1925,8.8,9.5,9.3,12.8,15.8,21.2,23.2,24.5,21.7,17.3,13.6,9.8
1926,9.4,10.7,10.8,13.4,15.8,19.5,22.1,22.5,22.5,19.3,16.4,10
1927,8.8,7.9,11.3,13.1,17.8,23.2,24.7,25.2,22.3,16.6,14.8,11.4
1928,9.4,8.4,10.1,13.6,15.8,21.7,24.9,25.9,22.6,18.3,13.2,9.1
1929,7,5.9,9.4,12.8,17.1,21.4,24.3,23.1,21.4,16.8,13.5,10.4
1930,10,8.3,11.2,12.9,16.2,22,24.4,23.4,20.6,16.4,13.2,10.8
1931,9.8,7.9,11.7,12.2,16.6,22.8,24.9,25,20.3,16.9,14.2,10
1932,9,7.4,10.3,12.1,16.5,19.2,22.5,23.8,23.4,19.7,14.3,12.8
1933,9.1,9.3,10.3,12.8,15.4,18.1,22.7,23.3,21.3,19.1,14.4,10.6
1934,8.6,8.8,10.5,13.9,16.9,20.8,23.9,23.5,21,17.5,14.6,11.8
1935,6.9,8.9,9.3,12.4,15.4,21.3,24.1,23.9,21.6,18.8,14.8,10.8
1936,11.6,10,11.4,13.2,15.3,19,23.4,22.9,21.3,16.2,13.1,10.4
1937,9.8,10.5,11.1,12.5,16.2,21.7,22.7,23.7,21.2,18.1,14.6,9.7
1938,8.6,7.8,9.6,10.8,14.9,20.9,23.2,23.9,20.8,18,14.1,11.1
1939,10.4,10.1,8.5,12.6,14.5,19.2,24.4,24,21.1,18.4,13.8,10.8
1940,8.7,9.6,10.2,11.9,15.6,17.9,21.5,21.8,20.9,17.8,13.8,8.1
1941,9.4,9.9,11.2,11.6,15.1,20.6,24.2,24,19.5,16.3,12.5,8.9
1942,6.7,7.8,11.4,13.8,17.6,21.1,23.7,23,22.1,18.8,13.6,12
1943,8.6,9.9,11.2,13,17.7,19.9,24.2,24.9,23.5,18.5,13.8,11.9
1944,8.6,7.6,8.3,12.9,17.3,20.8,23.5,24.5,22.6,17.1,12.8,10.3
1945,6.8,8.2,9.8,14.4,19.1,23.2,25.3,24.8,21.4,15.7,12.5,10.1
1946,8.8,8.6,10,13,16.4,20.9,23.9,24.8,23,17.9,14.2,9.2
1947,7.9,10.1,12.9,13.5,16.6,21.8,25.1,24.9,22.4,17.3,14.4,9.6
1948,10.1,9.2,10.3,12.9,17.3,20.4,22.3,23.8,20.6,18.4,12.9,9.9
1949,9.4,8.5,8.5,13.5,16.7,20.9,23.6,23.3,22.4,17.7,13,11.5
1950,8.6,9.2,10.7,13,18.1,22.4,25.3,24.5,21.9,17.3,13.1,10.2
1951,9.8,10,10.7,12.3,16,21.1,23.4,24.1,21.2,15.8,14,9.6
1952,8.4,7.6,10.7,13.5,16.7,23.1,25.4,25.5,22.5,18.4,12.8,10.4
1953,6.6,7.7,8.5,13.1,16.6,19.7,23.5,23,21.7,18.3,12.4,11.6
1954,7.8,8.2,11.2,11.6,15.3,21.4,22.2,22.2,21.7,15.8,12.8,10.3
1955,11.6,11.3,10.6,11.7,17.4,21.1,24.3,23.3,20.4,16.6,13,11.9
1956,10.5,6.5,9.1,12,16.3,19.3,23.6,24.6,22.4,16.1,12.7,9.2
1957,8.4,10.5,10.1,12.4,15.3,21.5,23.1,24.2,20.8,17.9,13.5,9.8
1958,8.8,9.8,9.7,11.1,17.4,20.7,23.2,25,21.4,17.8,14.1,11.9
1959,8.8,9.3,11.7,12.3,16,20,23.7,23.8,21.4,15.7,13.2,11
1960,9.5,10.8,11.1,12.3,17.4,21.1,23,24.1,20.7,18.3,14.8,10.7
1961,9,9,10.2,14.1,17,20.5,23.4,23.3,21.7,17.5,14.4,10.7
1962,10.5,8,10.8,12.5,16.7,19.6,23.5,23.9,22.1,18.2,13.5,9.2
1963,8.7,8.5,9.5,12.1,15.2,20,23.6,24.1,20.4,15.6,14.8,11.8
1964,8.1,9.3,11.2,12.5,16.6,21.1,23.2,22.3,20.3,17.2,13.6,9.9
1965,9.4,6.4,9.6,11.3,15.9,20,24.4,22.8,20.6,17,14.4,11.2
1966,9.7,10.9,9.4,12.7,16,20.6,22.6,23.5,20.5,16.9,12.2,10.6
1967,8.5,8.9,10.5,12.5,16.6,19,23.7,24.4,20.9,18.5,14.8,9.8
1968,8.3,9.9,9.7,13.3,17.5,20.1,23.6,23.1,20.8,17.1,14.2,11.4
1969,9,9.2,11.1,12.1,17.7,19.3,22.1,23.5,21.2,17.3,15.1,9.5
1970,10.7,10,10.2,12.9,15.2,20.9,22.6,23.8,21.6,16.7,13.9,11.3
1971,9.8,9.2,8.9,12.9,16.7,19.6,22.9,25.2,20.3,15.7,12.5,9.4
1972,9.4,10.1,11.5,12.5,15.6,21,22.6,22.7,20.6,15.7,13.3,11
1973,10,8.7,8.9,11.5,17.3,21.1,24.3,23.8,22.2,17.9,12.8,11.2
1974,10,9.3,11.2,12,16.2,20.5,23.1,23.8,21.6,15.7,12.6,9.6
1975,9.1,8.7,10.8,12.3,16.9,19.8,22.8,22.7,21.7,16.9,13.3,10.9
1976,9.1,9.1,9.6,11.6,16.3,19.9,23,22.5,19.3,17.3,12.3,10.9
1977,10.2,10.7,11.5,12.3,16.6,19.6,23.8,22.8,20.4,15.8,14,10
1978,9.3,10.1,10.4,11.9,15.7,20.6,22.4,23.3,20.2,16.1,11.3,12.1
1979,9.5,10.3,10.8,11.6,16.2,21.3,23.6,23.5,20.2,18.1,12.3,10.7
1980,8.9,9.5,10.5,10.4,14.8,19.7,22.2,24,21.3,17.5,14.3,8.8
1981,7.6,8,11.4,13.1,16.8,21.7,23,23.4,21.8,18.8,11.8,11.5
1982,11.3,8.7,9.7,12,16.6,23.2,24.9,24.9,22.6,18.9,14.1,10.2
1983,8.4,8,10.1,13.4,17,20.4,24.8,24.6,21.5,17.1,14.1,9.7
1984,9.6,8.5,9.8,12,16.9,19.6,23.5,23.4,20.6,17.8,15.2,11.1
1985,9.4,10.3,10.2,13.7,17.3,21.5,24.3,24.2,21.6,17.7,14.9,11.3
1986,9.7,9.2,10.7,13,17.8,20.5,23.5,25.3,21.7,18.5,13.6,9.6
1987,9.4,9.9,8.1,12.1,14.9,20.6,25.9,25.2,23.6,20.4,14.4,11.6
1988,11.4,11.5,10.4,13.3,18.4,20.6,25.5,25.1,21.4,19.1,12.9,11.4
1989,8.4,9.5,12.1,13.7,16.2,20.2,24,24.4,21.5,16.2,13.7,12.1
1990,10.1,11.3,11.3,12.8,17,21.6,22.4,24,22.5,20.3,14.2,9.4
1991,9.2,8.9,12.2,11.9,14.2,20.3,23.6,24.6,22.6,18.7,13.5,8.4
1992,8.9,8.8,10.6,12.9,16.4,20.5,22.6,25.2,21.7,19.3,14.8,11.6
1993,9,7.8,9.3,12.6,17.3,21.6,23.6,25,21.9,17.3,13.7,10.9
1994,10.4,9.9,11.4,12.3,18.2,20.9,24.8,26.5,22.9,18.9,14.6,11.1
1995,8.8,10.7,9.9,11.8,16.7,20.5,24.6,24.6,21,17.3,12.9,12.1
1996,10.9,9.1,10,12.6,16.8,20.6,23.6,24.5,20.2,16.4,14.5,11.5
1997,10.9,9.4,10.5,11.1,17.7,22.8,23.9,24,21.4,18.2,14.3,11.1
1998,9.8,10.1,9.7,14,16.7,22.6,24.7,24.5,21,17.9,12.7,9.1
1999,9,7.6,10.2,13.1,18.2,22.4,23.7,26.1,22.9,19.7,14.4,11.1
2000,7.9,8.6,10.8,13.7,18.6,21.3,24.1,24.7,21.5,17.8,15.1,11.9
2001,11.6,10,13.2,12.6,17.8,21.7,24.8,25,21.5,20.1,14.3,8.9
2002,8.3,10.8,12.3,13.5,17.6,21.9,24.3,23.9,20.6,17.6,14.9,10.7
2003,9.9,6.5,9.1,12.6,18.4,22.8,26.2,26,21.4,18.7,15,10.7
2004,9.2,10.1,10.6,12.9,15.7,20.8,24.2,24.8,21.2,19.2,13.6,11.6
2005,8.3,7.2,10.3,12.3,18.1,21.7,25.3,23.9,21.7,17.9,14.2,9.8
2006,8.6,9,10.6,13.7,18.4,21.6,24.6,24.4,21.3,18.3,13.8,11.4
2007,11.2,10.6,11.1,13.7,17.6,22.5,24.6,25.2,21.5,17.8,13.6,9.8
2008,10.4,8.9,11.3,14,18.1,21.4,24.9,24.8,22.1,18.3,14.1,10.7
2009,10.4,7.8,10.7,13.2,18.3,21.5,25.1,25.6,22.3,17.4,13.7,11.7
