1901,6.7,11.3,13.6,14.6,17.2,21.4,25.8,25.6,22.6,18.8,13.4,11.8
1902,9,11.6,10.7,14.2,17.8,22,25.4,25.9,23.7,19.9,11.5,8.3
1903,8,9.2,10.9,13.8,18.4,20.7,24.5,25.4,21.7,18.5,13.2,11.4
1904,8.5,11.5,10.1,13.7,18.1,22.3,25.2,25.5,21.4,18.9,11.6,8.7
1905,6.2,6.6,9.9,14.2,18.6,21.5,26,26.8,24,18.7,16.1,9.6
1906,8.5,9.2,12.5,13.6,16.7,21.8,25.6,24.7,22.2,17.6,14.1,10.2
1907,6.1,7.8,7.7,12.5,19.8,22,25.5,25,21.1,19.9,12.8,10.6
1908,8,9,10.3,12.9,20.3,23,24.9,25.5,21.1,16.7,11.4,8.5
1909,6.9,6.9,11.9,13.8,19.3,22.9,26.2,26,23.8,18.3,14.5,11.9
1910,8.1,10.7,8.8,13.8,16.9,21.5,25.1,25.9,22.1,17.5,13.6,10.7
1911,7.2,5.9,9.6,13,17.1,22.3,24.5,25.9,22.3,18.7,14.8,9.9
1912,7.1,10.7,12.3,13.4,17.5,23,24.7,25.3,22,17.6,13.9,10.6
1913,8.2,7.2,11.3,14.1,16.9,21.5,24.4,24.3,23.1,18.4,13.6,9.3
1914,8.5,9.8,12.6,13.8,17.6,21.5,25.1,25.4,21.3,16.7,12.4,10.9
1915,11.5,9.9,11.8,14,17.5,22.8,26,25.5,21.1,19,14,12.5
1916,8.4,9.9,13.2,14.4,19.2,25.5,27.2,24.8,21.6,18.9,15.5,12.9
1917,10.6,8.9,12.3,14.4,16.7,22.1,25.9,26.9,22.5,19.3,15.2,8
1918,9.1,8.8,10.1,14.2,18.7,21.8,26,25.3,24.4,20.8,14.2,10.9
1919,10.8,10.5,12.9,15.1,15.9,21.5,25.3,24.5,22.6,19.7,15.2,10.1
1920,9.4,6.6,11.5,15.3,18.2,22.6,25.9,26.2,22,16.4,10.9,9.3
1921,9.9,7.1,9.6,13.2,19.3,20.7,26.3,27,21.5,17.1,13.2,9.9
1922,8.9,9.4,13.7,15.2,18.3,23.4,26.7,26.7,23.4,20.2,12.7,9.2
1923,8.9,10.3,11.6,14,19.4,22.3,25.4,25.4,23.5,19.5,17.1,11.9
1924,6.5,9.7,11.1,16.1,19.3,23.7,26.5,26.2,24.8,17.7,12.7,9.3
1925,7.5,11,11.8,13.7,18.2,21.5,25.9,26.2,23.7,19.4,16.5,11.1
1926,10.1,10.8,11.3,15.6,19.4,23.8,25.6,24.5,22.8,19.9,17.1,11.1
1927,10,7.4,13.5,14.9,19.6,24.6,27.2,27.3,24.7,19.9,16.1,11.4
1928,9.8,7.2,9.2,16.3,19.1,23.4,26.8,27.3,24.3,19,15.9,9.6
1929,7.5,5.7,8.8,13.9,21,23.4,25.9,27.3,20.7,18,15.5,10.9
1930,9.5,8.9,12.6,15.6,17.9,22.6,26.6,26.6,23.3,18.3,14.5,12.1
1931,10.3,9.5,12.2,13.1,18.5,23.9,27.4,27.2,22.9,18.7,12.8,8.9
1932,7.7,6.8,10.5,14.5,18.6,23.2,26.7,26.1,24.1,21.3,13.8,10.8
1933,8.1,10,9.6,12.4,16.8,21.2,24.7,25.3,20.6,18.2,16.9,9.5
1934,8.9,6.7,13,16,19.5,23.3,26.3,26.4,22.9,18.8,15.5,10.9
1935,8.3,10,10.1,14.8,19.5,24.5,25.9,26.2,22.8,20.1,13.5,12.4
1936,12.5,10.9,12.7,16.1,17.6,21.9,27.2,26.4,21.8,18.8,13.9,8.5
1937,7.6,11.1,13.8,15.3,19.3,23.7,27.3,26.5,24.2,18.9,15.2,11.3
1938,8.8,8.2,10.4,13.3,18.4,23.7,27.5,27.1,22.4,19.3,13.6,11.1
1939,10.8,9,10.1,15.2,18.9,21.8,27.3,26.2,23.3,20.8,14.2,11.4
1940,7.6,10.1,11,13.9,17.1,22,26.5,24.6,22.2,19.8,15.2,9.3
1941,10.6,12.1,11.7,15.8,19.3,23.1,26.6,26.4,20.5,17.3,12.6,7.7
1942,6.4,9.9,10.7,14.5,20,24.6,25.7,25.6,23.4,18.4,13.3,9.6
1943,7.2,8.6,8.7,13.4,17.9,22.5,26.1,26.8,23.7,20.2,17.1,11.4
1944,7.9,9.8,10.6,15.2,17.6,24,25.8,24.6,22.8,19.1,14,9.8
1945,8.1,7.6,9.9,14,21.8,23.7,26.7,27.7,23.2,17.3,14,10.4
1946,8.8,9.1,11,14.7,19.2,24.4,27,28,25.2,17.7,16.2,9.9
1947,6.9,11.3,14.6,16.4,19.6,23.7,26.6,26.4,22.8,17.4,14.5,12.4
1948,11.9,8.2,9.2,13.9,19,21.8,25.3,26.4,22.3,18.8,12.7,6.6
1949,8.1,7.4,9,12.7,19.5,22.3,24.7,24,21,17.6,15.3,11.4
1950,6.8,9.8,11.2,16.2,18.9,23.8,27.4,26.4,24.2,18,14.1,13
1951,10.1,11.2,13.1,15.7,20.1,23.3,26.1,27,23.3,16,13.9,8.9
1952,9.7,9.3,11.1,15.9,18.7,23.5,25.8,27.6,25.2,19.5,15.1,12.6
1953,8.9,9.8,8.1,14.8,17.9,22.9,26.6,25.9,22.5,18.2,11.2,7.5
1954,7.5,8.3,11.5,12.3,17.7,24.5,26.8,26.5,23.5,19,14,10.3
1955,10.9,13.1,12.4,13.3,19.8,23.6,26.5,25.1,22.9,19.9,14.5,11.2
1956,9.8,9.2,8.5,14.9,18.3,22.9,26.5,26.9,22.5,17.6,14.3,8.8
1957,8,10.7,10.6,14.1,17.6,24.1,25.8,27.1,23.1,19.7,14.3,9.7
1958,8.9,11.3,12,14.4,20.3,23.3,26.2,26.5,21.7,17.9,14.6,11.7
1959,9,6.8,11.5,14.7,19,22.4,26.1,26.2,21.2,15.9,13.3,11.8
1960,9.8,10.6,10.8,14.2,19.4,22.9,26,26.6,22.3,21,16.2,13.3
1961,9,8.4,11.8,16.3,19.4,23.2,25.9,26.2,21.6,17.7,16,11.2
1962,10.1,8.4,12.9,14.6,20,23.7,26.5,27.1,23.2,18.4,16.9,10.8
1963,9.8,11.3,10.3,14.2,18.2,23.9,27,27.5,23.9,18.7,15,11.8
1964,6.4,8.2,11.4,14.4,18,23.5,25.7,25.2,21.4,19.8,14.4,11.4
1965,9.1,8.1,11.3,13.7,17.8,24.2,26.6,24.8,23,16.8,14.6,11.6
1966,9.6,11.8,11.3,15.5,18.3,22.9,26.7,27,22.2,21.2,16.6,10.8
1967,8.3,7.5,10.5,14.1,19.1,22.7,26.1,26.9,22.8,18.5,13.5,11.3
1968,8,10.4,10.7,16,21.9,23.5,26.4,25,22.6,17.2,13.7,10.3
1969,7.7,11.1,10.9,12.7,20.2,23.8,24.5,25.3,23.5,17.5,14.5,11.7
1970,10.5,11.3,12.4,15.9,17.9,23.3,26.1,26.3,22.2,17,13.7,10
1971,11.1,8.9,11.5,13.7,19.8,23.4,24.6,25.9,21.9,16.3,13.7,9.3
1972,8.2,9.1,11.2,16,19,23.7,25,25.7,23.2,16.7,13.3,8.6
1973,8.2,10.5,10.2,13.8,19.8,22.7,26.7,24.8,23.1,18.6,12.4,11.3
1974,6.8,10,11.4,13.8,18.4,23.3,26.1,25.5,22.6,20.2,13.6,9.3
1975,8.1,8.1,13.1,15.3,19.2,22.5,26,24.9,23.7,18.2,13.4,8.8
1976,8.6,7.7,10.5,14,18.6,22.6,24.9,23.6,21.6,18.3,13.5,10.2
1977,9.3,12.3,11.5,14.7,19.7,23.5,26.6,26.4,22,15.8,15.4,9
1978,8.7,11.1,11.9,14.3,19.3,23.7,26.2,24.6,21.1,17.6,12.2,11.2
1979,9.3,10.5,12.9,14.2,18.8,24.3,25.7,25.6,22.8,18.3,13.8,10.6
1980,7.8,8.1,10.6,13.5,18.2,22.7,26.1,26,21.9,19,15.5,10.5
1981,7.6,8.6,12.9,14.9,17.6,24.3,25.3,25.2,22.6,20.6,11.9,12.5
1982,9.5,7.2,9.7,13.9,17.7,23.2,24.9,25.3,23.3,18.5,12.8,10.1
1983,7.6,7.2,10.7,15.4,19.8,21.9,25.5,24.6,21.9,16.8,13,10.4
1984,9.5,9.7,10.8,13,19.9,22.4,25,24.1,23.2,19.4,13.8,9.3
1985,10.3,7.1,10.9,15.9,20.4,23.5,25.6,26.3,22.5,16,15.1,10.8
1986,10.3,10.5,11.3,16.3,18.8,23.6,26,26.9,23.2,17.5,11.6,9.1
1987,10.2,10.1,7.5,13.1,17.5,23.4,26.9,25.6,24.1,17.3,13.4,10.1
1988,9.9,9.2,11,14.3,19.7,24,28.1,26.6,23.3,17.3,11.1,9.5
1989,7.1,9.3,12.4,17.1,18.2,22.3,25.8,26,23,17,12.9,9.9
1990,7.4,9.8,12.8,15.5,19.1,23.3,26.9,25.9,22.5,18.8,15.8,11.1
1991,8.3,9.1,12.1,14.2,17.2,23.3,25.4,25.6,22,18.7,13.8,6.8
1992,7.4,6.8,10.3,14.5,17.4,22.8,24.8,26.5,22.1,21,13.7,8
1993,7.9,7,10.6,14.4,18.1,23.6,26.1,26.3,22.8,19.8,12.9,11.5
1994,10.6,9.7,11.5,15.9,19.9,23,26.4,27.3,25.4,20.5,12.6,9.2
1995,9.8,11.7,11.9,13.9,19.2,25.1,26.7,25.7,23.4,17.2,11.3,11
1996,8.1,9.6,9.3,13.3,20.5,24.2,26.6,26.1,22.3,16.9,14.2,11.9
1997,9.9,9,10.1,11.4,19.9,24.3,26.8,25,21.3,17.4,14.2,10.6
1998,9.3,10.5,9.5,16.1,18.6,24.1,27.8,27.6,23,19.4,14.8,9.5
1999,9.9,9.7,12,15.7,20.7,24.9,27.3,27.9,23.6,20.2,14.9,12.6
2000,6.8,9.3,11,16.3,20,24.3,27.8,27,23.3,18,15.4,10.9
2001,8.8,9,15.5,15.2,19.6,24,27.9,27.6,24,19.7,13.5,8.3
2002,7.8,11.7,12.8,14.6,19.5,24.7,27.6,26.9,22.8,18.7,14.4,9.3
2003,11.4,6.1,9.4,12.9,20.5,25.3,27.2,27.6,22.8,20.3,14.2,10
2004,8.1,9.3,12.2,15.2,18.6,23.9,26.8,26.2,23.1,20.2,14.2,10.7
2005,9.4,8.6,11.8,14.8,19.6,23.1,27.1,27,23.2,17.6,12.9,11
2006,7.1,9.4,11.7,16.2,19.4,23.7,26.1,27.6,22.8,18.4,12.1,9.4
2007,10.3,9.9,12.4,14.8,20.1,25.3,28.2,27.5,23.3,19,13.8,8.9
2008,8.1,8.8,14.2,16.5,19.5,24.8,27.2,27.5,23,18.9,15.2,11.1
2009,10.5,9.6,11.4,14.9,19.7,24.3,27.4,26.4,22.3,19.7,14.2,12.7
