1901,7.7,9.4,16.7,20.8,24.3,24.8,23.4,21.3,21.2,19.1,14.5,11.7
1902,10.6,11.8,18.2,22,23.8,23.4,23.7,22.8,20.7,18.2,13.8,10.3
1903,9.1,9.9,13.7,19.6,23.6,24.6,23.3,21.6,20.9,18,12.2,9.4
1904,9.1,11.5,14.8,21.3,23.6,23,21.5,21.3,21.1,18.1,13.7,10.6
1905,7.6,7.6,13.4,18.9,25.1,23.5,22.1,22.2,21.3,18.6,15.1,10.6
1906,7.6,8.8,14.4,20,24.4,22.9,22.2,21.7,20,18,14.5,10.8
1907,10.2,10.3,14.8,19.8,22.2,23.5,24,19.9,19.7,17.5,14.6,9.7
1908,9,10.4,14.6,21,23.1,23.5,20.7,20,19.7,16.9,13,9.3
1909,8.2,10.3,16,19.6,22.6,22.9,20.8,20,19.1,16.8,13.4,9.4
1910,8.6,11.1,15.5,19.4,22.8,22.5,20.7,20.6,20.5,16.6,12,9.7
1911,9.7,11.1,13.8,19.9,24.1,22.5,23,21.7,20.4,18.1,13.1,11.6
1912,10.4,12.5,15,21,24.2,24.3,22.2,20.7,19.6,17.5,12.8,10.2
1913,9.4,10.9,13.5,21.3,22.9,22.8,21.8,20.7,20.3,18.5,14,10.1
1914,10.9,10.3,14.6,20.6,24.7,23,21.7,21,21,18.1,15.1,9.7
1915,9,9.8,16.1,20.2,24.1,24.5,23.6,22.3,22.5,19,14.6,10.8
1916,10.2,9.5,17.6,21.1,23.5,22.4,23.1,21.2,20.7,16.9,12.2,9.4
1917,10.2,11.3,15.3,18.8,20.8,21.8,20.7,20.6,19.5,16,11,9.7
1918,8.2,11.4,15.4,18.9,23.6,22.5,22.8,22,20.4,18,14.8,9.8
1919,9.3,10.8,15.6,19.9,23.6,23.4,21.7,20.8,20,17.4,14.2,9.9
1920,9.9,10.6,16.3,20.1,21.4,21.6,21.1,20.7,21.7,18.7,14.8,10.4
1921,9.9,11.1,17.6,22.1,24,23.8,23.3,21,20.1,17.8,13.7,11.5
1922,8.6,12.3,16.3,21.5,23.3,23.3,22.3,20.8,20,17.4,13.8,9.6
1923,9.7,10,16.7,20.5,22.8,24.1,22.2,20.3,20.9,17.4,12.9,10.9
1924,9,11.3,17.7,21.3,22.5,24.1,22.9,21.6,19.9,16.6,12.4,10.4
1925,7,9.2,16.9,22.6,23.3,22.2,21.3,22.1,21.8,19.8,14.6,11.2
1926,10.1,13.4,15.6,18.7,22.8,25.1,22.6,21.3,20.1,17.3,12.4,9.9
1927,7.6,9.7,14.5,19.7,22.8,23.6,21.5,20.2,20.3,17.5,12,10.7
1928,9.1,11.2,16.1,20.8,23.7,23.3,22.2,21,19.8,17.7,13.9,9.5
1929,8.3,10.2,17.4,21.2,24.1,23.5,21.9,20.6,20.7,17.4,14.8,8.9
1930,8.8,10.5,15.9,20.1,23.6,23.6,21,20.8,22.1,18.9,13.2,10.8
1931,10.5,9.8,15.4,21.8,23.8,24.8,23,21.4,20.6,17.2,13.6,10.7
1932,10.2,10.3,15.5,20.5,23.4,23.4,21.4,20.9,20.8,18.2,12.8,10.3
1933,8.8,11.3,15.7,20.2,22.1,22.8,21.9,20,20,17.6,13.8,10.3
1934,7.1,12.1,15.1,20.9,23.3,23.7,21.6,20.7,19.9,17,13.2,11.1
1935,7.2,11,15.6,18.5,23.5,24.3,21.5,20.9,19.8,17.5,13.9,10.8
1936,8.2,11.2,15.2,20.1,24.7,22.1,21.9,21.4,20.9,18.4,14.2,10
1937,8.4,11.4,14.5,20.3,23.5,24,21.3,21.3,20.9,17.5,14.6,9
1938,9.1,9.7,17,21.5,23.9,22.3,21.7,21.6,21.4,18.4,12.7,10.8
1939,10.1,11.5,13.9,19.2,23,23,22.4,22.5,20.6,18.6,14.1,11.5
1940,10.2,11.5,13.9,19.8,24.1,23.4,22.3,21,20.5,18.4,14.4,10
1941,8.3,12.1,16.6,21.5,23.9,23.7,21.4,21.6,21.1,19,14,11.3
1942,8.4,11.2,16.5,22.1,23.2,24.5,21.5,20.8,20.1,17.6,13.4,9
1943,8.5,10.9,16.2,20.2,24.8,22.6,21.3,20.4,19.9,17.1,13.7,10.8
1944,8.7,10.3,15,19.8,23.8,23.1,21.4,20.5,20.5,17.1,13.7,10.8
1945,6.9,9.9,16,19.8,22.7,23.4,20.8,21.2,20,17.1,12.4,8.2
1946,8.7,12.1,14.9,22,23,23,21.8,20.2,20,18,11.8,9.6
1947,7.9,11,15.8,20.4,24,23.8,22.9,22.5,19.8,15.8,13.4,9.9
1948,8.1,10.2,15.9,21.4,24.6,24,23.3,21.2,21,18.7,13.6,10.3
1949,10.6,10.9,16.4,22,25,23.4,22.4,21.6,21.6,18,12.7,9.3
1950,9.3,8.2,15,20.4,23.7,23.6,21,20.9,20.3,18.1,12.2,9
1951,7.8,10.1,15.5,19,23.4,23.4,23.7,21.1,22.3,20,15,10.3
1952,9.8,12.1,15.6,21.8,24.4,23.5,21.7,20.5,20.5,18.4,13.1,10.6
1953,8.5,13.2,18,21.1,23,23.7,22.4,20.6,20.3,17.2,13.1,11.4
1954,7.9,12,16.2,21.1,24.2,23.8,22.4,22,19.9,16,13.3,9.7
1955,10.3,11.4,17.5,18.5,23.7,23.4,22.9,21.5,20.9,17.6,11,10.1
1956,9.6,9.5,16.5,20.8,24.2,23.5,20,20.4,20.4,16.2,12.1,10.2
1957,8.7,8.3,15.1,20,22,22.7,22.5,21.5,20.1,17.8,14.8,10.9
1958,10.5,11,16.4,22.1,23.8,23.4,21.8,22.2,20.2,17.2,13.4,10.9
1959,8.4,10.1,16,20.9,23.6,23.3,20.8,20,19.9,18.1,12.7,9.6
1960,7.7,11.1,14.6,19.5,22.1,22.4,21.6,20.5,21.1,17.6,11.9,10.7
1961,8.7,9.2,16.6,19.8,23.2,22,21.4,21.5,20,16.7,13.3,8.1
1962,6.3,11.2,15.4,20.4,23.5,22.2,21.5,20.8,20.7,14.8,12.7,10.6
1963,7.8,11.6,15.3,20.4,22.9,23.2,22,21.3,19.4,17.9,15,10.3
1964,6.1,10.4,16.8,21.6,22.8,22.3,21.5,20.8,20.4,17,11.5,9.1
1965,10.7,10.6,14.9,19.9,22.5,23,21.8,20.6,19.9,18.4,14.1,9.5
1966,9.9,13.1,14.1,20.2,22.8,23.2,22,20.8,20,18.2,15,8.6
1967,5.9,11.2,15.7,19.5,22.6,21.9,21.7,20.6,19.9,17,14.3,11.5
1968,8.2,9.1,15,19.7,21.9,23.8,22.3,20.4,20.8,17.8,13.4,9.9
1969,9,11.2,18,21.3,23.6,23.6,22.6,20.8,21.5,18.2,15.6,10.6
1970,9.6,11.5,16,21.9,24.6,22.6,21.2,20.9,20.1,17.9,11.1,8.2
1971,8.1,10.1,14.8,22,22.6,21.9,21,20.6,20.5,17.3,12.7,9
1972,8.5,8,16.4,19.9,22.8,23.2,22.1,21.6,19.8,17.9,13.2,10.1
1973,7.5,12.1,15.8,21.9,24.1,23.5,21,20.7,19.2,16.7,11.9,9
1974,7.3,8.6,16.7,21.3,22.6,22.8,22.7,22.2,21.8,19.1,11.6,9.4
1975,7.4,10.2,14.2,20.6,23.3,22.2,21.2,21,20.2,17.4,10.7,8.5
1976,9.2,11.1,15.7,20.1,22.9,22.6,21.6,19.9,18.9,17.6,15.3,10.4
1977,8.2,12,16.6,21.4,23.2,22.2,20.9,20.5,20.1,18.2,16,10.3
1978,7.8,11.4,15.1,21.2,24,23.1,20.9,20.9,20.4,17.7,14.5,10.3
1979,9.7,10.5,15,19.9,22.3,24.2,22.3,20.2,20.7,18.5,17,11.9
1980,8.9,11.5,16.5,20.2,23.9,22.5,22.3,21,20.8,18.9,14.7,10.2
1981,9.4,11,16.2,20.9,23.1,23.8,22,20.5,21,17.7,11.6,9.8
1982,10.2,11.6,14.7,20.1,21.8,23,22.1,21,20.1,18.8,14.6,10.9
1983,8.2,9.9,14.9,18.8,22.6,23.5,21.6,20.8,21.2,16.8,10.1,9.2
1984,8,8.1,16,21.3,23.4,23.1,21.2,19.5,18.9,15.9,12,9.6
1985,8.9,10.2,17.1,20.8,24,23.1,22.1,20.7,20.9,17.3,13.7,11.7
1986,9.9,11.7,16.6,21.7,23.7,23.6,22.1,20.2,21,18.6,14.5,8.6
1987,10,12.2,17.3,21.4,23.3,24.3,23,22.8,22.1,19.9,14.5,11
1988,11.1,13.4,16.6,22.6,25,24.2,21.8,21.5,22,17.9,13.4,11
1989,8,10.3,16.2,20.3,23.7,22.9,21.5,20.7,20.9,17.8,14.7,10.9
1990,10.3,12.2,15.9,21.5,24.4,23.6,21.9,20.9,20.6,17.6,14,10.5
1991,8.3,11.2,17.1,20.9,24,24.9,21.9,21.4,20.6,16.6,14.1,10.7
1992,9.1,9.7,16.2,20.1,23.9,24.9,22.7,21.6,19.3,18.4,13.8,11.6
1993,9.9,11.8,16.4,21.3,24.7,24.7,21.8,22.3,22.2,19.6,14.9,11.1
1994,11.5,11.4,17.5,21,24.8,23.7,21.3,21.6,20.3,17.4,14.2,9.9
1995,8.3,12.1,16.1,20.9,24.8,25.3,22.7,22.4,21.6,19.8,13.3,11.6
1996,10.2,12.5,19,21,23.8,23.5,22.3,20.7,20.9,18.6,12.1,9.7
1997,8.4,10.5,16.8,20.1,22.3,20.8,22.2,20.6,20.6,16.2,16,9.3
1998,9.4,11.1,16,22.5,25.1,24,22.5,22.4,21.9,18.9,14,9.5
1999,8.3,12.8,16,21.4,23.8,22.8,22.1,20.8,22.1,18,13.9,9.5
2000,9.5,10.1,15.2,22.8,23.9,23.9,21.3,21.9,21.1,19.1,14.2,10.1
2001,8.6,11.7,16.4,21,23.3,21.4,20.1,20.9,21.6,18.8,14.1,10.8
2002,8.4,10.9,17,22.2,24.5,23.7,22.6,21.6,21.1,19.4,14.4,11.6
2003,9.7,12.1,16.5,22.1,23.6,23.3,21.3,21.1,20.3,17.5,14.8,10.4
2004,9.2,11.6,18.3,22.6,23.5,23,23,20,21.8,17,14.6,11.4
2005,7.5,10.5,16.5,20.1,23.1,23.7,21.7,20.8,20.4,17,13.3,8.9
2006,8.9,14,15.2,20.7,24.1,22.1,21.4,19.8,20.4,17.9,13.7,10.8
2007,9.5,12.5,15.7,22.4,23.7,23.7,21.8,21.5,21.3,17.1,14.6,10.2
2008,8.1,8.7,17.4,20.7,22.5,22.1,22,20.6,20.9,18.5,14.4,12.5
2009,10.7,13.2,18,21.4,24.5,24,22.7,22.7,22.2,18.3,14.1,11.7
