1901,8.4,11.4,14.4,18.5,20.9,23.3,23,23.1,22.2,20,14.7,10.2
1902,9.1,11.2,15,17.1,21,21.8,22.8,22.4,22,18.9,14.2,9.8
1903,8.2,10.9,14.7,18.4,20.3,22.1,23,22.1,22.6,20.6,15.4,10
1904,7.9,10.7,14.1,17.3,20,22.8,22.8,22.7,22.4,20.2,14.3,9.7
1905,8.5,10.2,13.5,16.9,20.9,23.1,22.9,22,23.1,20.2,15.1,10.9
1906,9.5,11.1,13.7,17.5,20.8,22.9,23.3,21.7,23.2,20.1,15.2,10.4
1907,9.5,10.9,13,16.9,20.3,22,22,23.1,21.6,19.9,15.3,10.1
1908,9,11.4,14.9,19.2,20.5,23.1,22.4,22.7,21.9,19.5,14.5,9.4
1909,8.4,11.4,15.6,17.7,19.8,22.3,23,22.6,23.1,21.2,16.2,11.1
1910,9.2,10.9,14.1,18.1,21.1,21.9,21.8,22.7,22.5,19.8,15.1,10.1
1911,9.8,10.4,13.9,18.3,20.4,22.7,22.3,22.6,22.4,19.7,14.8,9.8
1912,8.9,11.4,14.2,17,21.1,22.8,22.1,22.3,22,19.4,15,10.4
1913,9,11.1,13.8,17.2,19,22.5,22.5,22.6,22.1,19.8,14.1,9.8
1914,8.7,11,14.5,17.4,20.8,23.1,23.1,21.6,21.9,18.2,14.5,11
1915,10.2,11.7,14.9,18.5,20.2,21.9,22,22,21.9,22,16.5,10.8
1916,9.7,12,15.5,18.5,21.5,23.8,23.3,24,23.7,21.4,16.8,11.2
1917,8.8,10.6,14.1,17.2,20.6,23.5,23.3,24.1,23.4,21.2,17.2,9.9
1918,8.9,11.4,15.5,17.5,21.9,22.8,23.7,24,23.1,21.2,14.3,10.8
1919,10.5,11.9,16.1,18.1,20.8,23.9,23.6,24.5,21.7,20.4,16.9,11.6
1920,11.3,11.5,15.9,17.4,20.1,22.9,24.4,22.9,23.7,20.6,14.3,11.7
1921,10,11.3,16,18.3,22,23.3,24,24.6,23.2,19,15.8,10.7
1922,10,10.9,15.9,19.2,21.6,23.9,24.3,24.4,23.8,20.2,16.5,11.7
1923,9.3,12.6,14.8,19.1,20.4,23.1,23.3,23.8,23,20.1,16.8,12.3
1924,9.8,12.3,15.5,19.1,20.5,23.7,23.9,24.1,22.7,21.8,16.3,11.3
1925,9.1,11.3,14.5,18.6,20.2,23.5,23.1,24.2,22.3,19.9,14.7,11.1
1926,10.3,11.6,15.2,17.2,20.5,23.5,23.9,24.4,23.9,20.8,15.5,13.2
1927,10,11.6,13.6,18.2,21.5,23.8,24,24.3,22.2,20.6,15.2,10.7
1928,10.4,13,15.4,18.7,21,23.4,23.8,24.2,22.9,19.8,13.9,11.2
1929,10.7,11,15.6,18.5,21.5,23.9,24.1,24.2,23.3,21,15.2,10.8
1930,9.2,12,15.2,18.3,21.9,23.2,23.3,24.2,23.1,20.6,17.6,10.8
1931,9.4,13,14.9,19,21.1,22.8,23.1,24.6,22.6,22.1,14.6,12.3
1932,10,10.3,14.7,18.4,20.8,23.5,23.6,24.5,23.9,21.5,17.2,12
1933,9.9,11.8,15,18,20.6,23.5,23.8,23.9,23.2,21.6,15.1,10.6
1934,9.6,12.2,15,18.9,20.8,22.4,24.1,24.2,24.4,21.1,15.6,10.2
1935,7.6,11.9,15.1,17.6,21,22.5,24,22.2,22.4,20.7,15.8,10.1
1936,8.7,11.4,15.6,18.7,21.9,23,23.8,24.2,22.5,19.6,15.6,10.9
1937,7.6,12.6,14.2,18.9,21,23.5,23.8,24.1,23.8,21.1,14.5,13
1938,10.5,11.2,16.3,18.9,22.1,23.6,22.6,24.3,23.3,21.6,12.9,11.2
1939,9.8,11.6,14.7,19.1,20.7,22.6,23.3,23.4,22.7,19.5,14.7,10.5
1940,7.5,11.3,13.4,18.9,20.4,22.8,23.2,23.7,22,19.4,14.2,10.9
1941,7.9,10.7,15.7,18.9,21,22.7,23.2,23.6,21.9,19.6,13.3,11.4
1942,9.7,12.8,15.3,18,20.8,22.5,23.2,22.3,21.8,20,15.5,10.3
1943,10,9.8,14.9,17.6,20.8,22.5,22.5,21.7,21.7,19.8,14.1,11.2
1944,10.9,11.8,15.6,18,19.9,22.2,23.6,23,21.5,20.6,14.2,10.5
1945,9.2,10.4,14.5,19,20.7,23.4,22.9,23.2,22.8,19.8,14,10.1
1946,9,12.6,14.9,18.7,21.3,23,22.7,23.2,22.1,20,15.1,12.4
1947,9.3,12,15.7,18.3,21.7,23,23.6,23.4,22.6,19.8,14.4,11.4
1948,9.4,11.5,14.3,18,19.7,23,22.6,22.9,22.5,19.1,16.2,9.6
1949,9.9,11.7,14.3,17.3,21.1,22.8,22.6,22.5,22.3,21.1,15.2,9.1
1950,9,10.6,14.4,17.8,20.3,22.4,22.6,22.8,22.1,20.6,15.1,10.4
1951,8.3,10.3,14.8,17.4,19.2,23,23.1,23.7,21.9,20.5,14.5,12.1
1952,8.7,11.3,13.9,18.6,20.8,23.4,23.3,23.5,22.9,21.9,15.3,9.1
1953,8.7,11,15.8,17.8,20.9,22.9,23.4,23.7,22.5,20.1,15.1,11.6
1954,7.2,12.1,14,18.6,20.5,22.6,22.7,23,22.7,19.7,12.6,10.6
1955,8.5,9.2,14.4,17.3,20.5,22.5,22.8,22.4,22.4,21,15.5,8.4
1956,8.1,10.2,15,18.3,21.8,22.9,22.5,23.1,21.9,19.7,15.1,10
1957,8.7,10.1,14.2,17.8,19.4,22.5,23.5,22.8,22.4,18.8,12.7,9.4
1958,9.1,10.6,14.3,18.9,20.1,23.1,23.6,22.7,22.4,20.9,13.6,10.4
1959,9.1,11.3,14.8,18.6,20.5,22.8,23.1,23.2,22.1,19.6,12.7,10.1
1960,8.1,11.4,14.5,18.2,21,23.1,22.7,23.5,22.3,19.5,14.4,10.5
1961,10.4,11.3,14.7,18.1,20.6,22.9,23.2,23.4,22.3,20.3,13.6,8.7
1962,7.7,11,13.8,18.2,20.2,22.4,23.3,22.5,22.4,19.4,13.1,9.8
1963,7.3,10.4,14.5,17.6,20.4,22.8,23.4,23.2,22.5,19.5,13.2,9.8
1964,8.1,10.4,14,17.7,21.8,22.5,22.5,23,22.6,21,15.6,9.5
1965,8.3,10.5,13.4,17.6,20.6,22.7,22.6,22.1,21.8,20.2,13,12.6
1966,9.9,11.5,15.3,17.8,21.5,21.9,22.6,23,21.9,18.8,15.6,11.1
1967,11.9,11.3,14.5,17.2,20.6,22.2,22.9,23.1,21.9,18.7,12.8,10.1
1968,8.9,10,13.7,17.4,20.6,22.7,23.2,23.1,22.5,20.2,14.1,9.4
1969,7.8,10,16.5,17.4,21.8,22.9,23.5,22.3,22.3,19.6,15,10.4
1970,8.2,10.9,14.6,17.9,20.7,23,23,23.1,22.3,19.7,15,10.9
1971,9.5,10.2,14.9,18.4,21,22.7,22.5,22.5,22,19.8,12.5,9
1972,9.7,11.1,14.7,17.1,20.7,22.7,22.7,22.7,22.2,19.2,14.8,10.9
1973,9.5,12.5,14.5,19,21.5,23,22.9,23.1,22.6,21.1,15.8,10.9
1974,8,11.1,14.4,17.5,21,22.7,22.3,22.8,21.7,21.8,17.4,10.2
1975,9.8,11.2,16.8,19,20.1,22.9,23,22.9,22.2,20.9,14.9,8.5
1976,9.2,12.2,17.7,18.5,21,22.7,22.2,22.5,22.1,19.1,16.4,10.3
1977,8.5,11.3,15.1,17.7,19.9,21.5,22.9,22.6,22.5,19.2,15.5,10.7
1978,8.3,10.9,14.8,18.4,20.8,22.5,22.8,23.6,22.5,20.3,15.1,10.1
1979,9.1,11.7,14.6,19.3,22.3,23.4,23.7,23.7,22.4,18.6,15.7,12.1
1980,8.9,11.2,15.8,19.4,21.2,23.6,23.5,23.3,22.9,19.7,14.2,11.1
1981,10.5,11.9,14.5,20,20.7,23.2,23.9,23.7,22.8,20.9,16.8,11.9
1982,9.8,11.5,14.4,18,20.9,23.1,23.3,23.4,22.8,19.7,14.8,10.2
1983,8.8,11.1,13.7,17.3,20.4,23.2,23.5,23.1,23.3,21.4,15.8,10.2
1984,9.7,12.4,14.9,18.8,21.5,23.5,23.1,23.5,21.4,20.5,13.2,11.1
1985,9.7,11.3,15.5,18.3,20.9,22.9,22.4,23.5,22.3,20.1,14.7,11
1986,10.2,11.6,14.4,17.5,21,24.2,22.4,22.6,21.7,18.2,15.2,11
1987,10.2,13.4,13.9,17.8,20.6,22.6,23.1,23,22.1,19.4,14.9,11.2
1988,10.2,12.6,15.6,18.7,18.9,22.6,23,23,22.3,20.9,16.5,12.2
1989,8.7,11.7,15.1,18,20.6,23.1,22.9,23.2,23,21.1,13.9,10.3
1990,9.9,14.2,15.9,19.1,21.3,22.7,23.6,23.2,22.9,19.9,15.7,11.8
1991,10,13.3,15.9,19,19.9,22.9,23.4,23.4,22.9,21.4,14.8,11
1992,9.5,10.4,14.9,19.1,20.8,23.3,23,23.5,22.6,20.2,15.1,9.9
1993,10.2,12.6,14.1,18.9,19.9,23.6,24,23.3,22.8,21.1,15.9,11.7
1994,10.5,12,16,19.6,23.4,23.5,23.8,23.9,23,19.3,15.7,11.1
1995,10,12.4,15.4,19.7,22.9,23.6,23.7,23.3,22.9,21.1,17,11.2
1996,9.9,11.3,15.5,19.4,21.5,23.4,23.4,23.1,23.3,20.3,16.6,12.1
1997,9.5,11.2,16,17.6,21.8,23.2,23.4,23.5,21.7,19.6,16.2,12.7
1998,10.3,12.9,14.8,18.9,22.6,23,23.2,23.4,23.1,22.1,16.7,12.1
1999,10.5,13.2,15.9,21.2,21.7,23.7,23.5,23.6,23.3,22.1,16.1,12.3
2000,10.1,12,15,19.6,22,23.6,24,23.7,22.8,21.5,15.3,11.7
2001,9.4,13,16.5,19.7,21.6,23.3,23.6,23.7,23.4,22.1,15.7,12.2
2002,11.8,13.3,16.2,19.7,21.8,23.6,23.5,23.5,22.8,20.6,16.1,12.7
2003,10.3,13,14.8,19,21.2,24.1,23.7,24,23.6,21.7,14.3,11.8
2004,10.9,12.4,16.5,19.7,21.5,23.3,23.1,23.7,22.8,19.6,15.1,11.6
2005,11.3,14.3,16.8,19.1,20.9,23.8,23.8,23.9,22.9,22,15.5,12.9
2006,10.1,14.1,16.9,19.4,21.8,23.7,23.9,23.9,23.1,21.5,16.2,12
2007,10.7,12.3,15.3,19.3,22.7,23.6,23.7,24,22.8,21.1,16.8,11.9
2008,11.1,11.9,15.9,19.6,22.6,23.5,23.3,23.6,23.1,21.5,15.7,12.8
2009,11.6,13.6,16.8,19.8,22,23.8,24,23.6,23.4,21,16.3,11.1
