1901,6.6,6.9,10,12.5,13.9,19.8,23.1,22.7,20.9,16.2,11.5,9.8
1902,7.7,9,9.2,12.5,13.5,18.4,23.4,23.4,21,16.5,11.6,8.5
1903,7.8,7.1,9.3,10.3,15.4,17.5,21.5,22.8,19.9,16.3,11,9.5
1904,7.5,9,9.3,12.1,16.3,20.4,23.6,22.7,19.3,14.9,9.9,8.4
1905,5.3,5.4,9.6,12.1,14.8,18.5,23.4,23.6,21.2,14.6,12.6,9.3
1906,7.5,5.9,9.3,10.7,14.3,19,22.6,23.1,19.7,15.1,12.5,7.4
1907,5.8,5.6,6.6,10.4,16.1,19,22.2,23.3,20,17.5,12.4,9.6
1908,7.8,6.9,8.7,10.2,17.5,17.6,22.7,22.7,19.2,16,11.1,8.2
1909,6.8,5.7,9.5,11.5,15.5,18.8,21.1,22.1,20,16.3,11,10.6
1910,7.4,7.5,8.6,11.7,14.1,18.7,21.1,22.1,17.7,17.2,11.3,10
1911,6.1,5.6,9.1,10.8,14.5,19.4,22.7,24,20.6,17.3,13.2,10.9
1912,8.4,9.8,11.1,10.4,15.4,19.2,23.6,22.5,17.7,16.4,10.3,8.7
1913,9,7.5,10.2,11.9,15.8,20.5,21.9,23,22.6,17.4,14.2,10
1914,6.8,8.4,10.2,13,16,18.7,22.2,22,19.5,14.8,10.9,9.6
1915,7.6,7.1,9.5,10.7,15.6,20.1,23.4,23.2,18.8,15.4,12.4,11.4
1916,7.7,8.4,10.8,11.9,16.3,21.5,24.3,22.5,19.7,16.1,12.2,10.5
1917,7.8,7.6,9.3,10.8,15.6,20.8,23.1,24.6,21.6,16.1,10.9,7.4
1918,7.3,6.8,8.5,11.4,15.4,18.4,22.5,21.7,22.1,15.5,11.8,9.3
1919,7.7,8.1,9,11.4,13.2,19.8,22.1,23,20.6,15.4,12,8
1920,8.2,8.1,9.9,12.7,17.8,20.3,24,23.6,20.6,16.7,11.5,9.7
1921,8.5,7.7,9.1,10.7,16.3,18.7,23.7,23.3,20.8,16.8,11.6,8.8
1922,7.4,8.4,11.2,13,16.4,21,23.1,24.8,20.7,17,10.7,7.9
1923,6.5,7.8,8.7,11.6,16.3,17.2,22.7,23.2,20.2,16.5,13.7,9
1924,6.6,7.4,9.3,12.7,17.9,21.1,23.7,22.8,22.6,16.7,12.4,9.8
1925,7.7,8.4,8.4,11.7,14.9,20.3,22.7,23.9,20.9,16.4,12.9,8.8
1926,8.3,9.7,9.7,12.3,14.9,18.7,21.5,21.8,21.7,18.2,15.6,9.1
1927,7.8,6.8,10.4,12.1,16.9,22.4,24.3,24.4,21.5,15.7,13.9,10.4
1928,8.4,7.4,9.1,12.7,15,20.9,24.5,25.3,21.9,17.4,12.4,8.1
1929,5.9,4.8,8.4,11.8,16.4,20.7,23.8,22.5,20.6,15.7,12.6,9.4
1930,8.9,7.3,10.2,11.9,15.3,21.1,23.7,22.7,19.8,15.4,12.1,9.7
1931,8.7,7,10.6,11.1,15.6,21.9,24.3,24.2,19.5,15.8,13.1,8.8
1932,7.8,6.3,9.1,11,15.5,18.2,21.9,23,22.5,18.8,13.4,11.7
1933,8.1,8.2,9.2,11.7,14.4,17.1,22.1,22.6,20.2,18,13.5,9.7
1934,7.5,7.7,9.6,12.9,16.1,19.9,23.2,22.8,20.3,16.6,13.8,10.7
1935,5.9,7.8,8.2,11.3,14.5,20.4,23.4,23.2,20.8,17.9,14.1,9.8
1936,10.5,8.8,10.4,12.1,14.4,18.1,22.8,22.2,20.4,15.2,12.2,9.4
1937,8.6,9.3,9.9,11.4,15.3,20.8,22.1,23,20.3,17.1,13.6,8.8
1938,7.5,6.8,8.6,9.7,13.9,20,22.6,23.2,19.9,17,13.2,10.1
1939,9.3,9,7.5,11.5,13.6,18.3,23.8,23.1,20.3,17.4,12.9,9.8
1940,7.5,8.5,9,10.8,14.6,16.8,20.7,21.3,20,16.7,13,7
1941,8.3,8.8,10.2,10.3,14.2,19.7,23.6,23.2,18.5,15.3,11.5,7.8
1942,5.5,6.7,10.3,12.7,16.6,20.2,23.1,22.2,21.2,17.3,12.2,10.8
1943,7.2,8.3,9.8,12.3,16.5,19.4,23.6,24.1,22.7,17.4,12.8,10.7
1944,7.2,6.3,7.2,11.9,16.6,20.8,22.9,23.5,21.7,16,11.7,9.2
1945,5.7,7,8.7,13.2,18.2,22.3,24.8,23.9,20.5,14.6,11.5,9
1946,7.6,7.4,9,11.9,15.4,20,23.3,23.9,22.1,16.7,13.2,8.2
1947,6.6,8.9,11.8,12.6,15.5,20.9,24.5,24,21.5,16.2,13.4,8.5
1948,8.9,7.9,9.2,11.7,16.3,19.6,21.6,23,19.7,17.2,11.8,8.7
1949,8.2,7.4,7.4,12.4,15.8,19.9,22.9,22.4,21.3,16.6,11.9,10.4
1950,7.4,8,9.6,12.1,17.3,21.6,24.8,23.6,21,16.2,12,9.2
1951,8.6,8.8,9.7,11.2,15.1,20.3,22.7,23.3,20.3,14.7,13,8.8
1952,7.3,6.5,9.6,12.4,15.6,22.2,24.7,24.8,21.7,17.3,11.8,9.4
1953,5.7,6.6,7.5,12,15.5,19,23.3,22.3,20.8,17.2,11.5,10.5
1954,6.6,7,10.1,10.4,14.2,20.5,21.5,21.5,20.9,14.7,11.7,9.4
1955,10.4,10.1,9.5,10.5,16.3,20.1,23.5,22.5,19.5,15.6,12,10.8
1956,9.3,5.5,8,10.9,15.2,18.4,22.8,23.8,21.5,15.2,11.7,8.2
1957,7.4,9.4,9.1,11.3,14.4,20.6,22.4,23.4,19.9,16.8,12.5,8.8
1958,7.7,8.6,8.6,10.1,16.4,19.8,22.5,24.2,20.5,16.7,13.1,10.9
1959,7.6,8,10.6,11.2,15,18.9,22.9,22.8,20.4,14.8,12.2,10
1960,8.3,9.6,10,11.2,16.3,20,22.1,23.3,19.8,17.3,13.8,9.9
1961,8,8,9.2,13.1,16.1,19.7,22.7,22.6,20.9,16.7,13.5,9.6
1962,9.4,6.9,9.7,11.5,15.7,18.8,22.8,23.3,21.3,17.1,12.5,8.2
1963,7.5,7.3,8.4,11,14.4,19.2,23.1,23.3,19.8,14.7,13.7,10.9
1964,7.1,8.1,10.2,11.4,15.7,20.1,22.4,21.7,19.4,16,12.6,8.9
1965,8.2,5.3,8.7,10.2,14.9,19.2,23.7,22,19.8,15.8,13.3,10
1966,8.4,9.7,8.3,11.7,15,19.8,22,22.8,19.6,16.3,11,9.2
1967,7.4,7.9,9.4,11.3,15.6,18.1,22.9,23.6,20,17.4,13.8,8.8
1968,7,8.8,8.6,12.3,16.4,19.2,22.9,22.2,19.7,16,13,10.1
1969,7.8,8,9.9,10.9,16.7,18.4,21.3,22.6,20.2,16.1,13.9,8.3
1970,9.4,8.7,9.1,11.8,14.1,19.9,21.9,23.1,20.4,15.5,12.8,10.1
1971,8.6,7.9,7.8,11.7,15.7,18.4,22.2,24.3,19.2,14.4,11.3,8.3
1972,8.3,8.9,10.3,11.5,14.6,20,21.9,21.9,19.6,14.3,12.2,9.9
1973,8.7,7.5,7.7,10.2,16.3,20.1,23.5,22.9,21.1,16.7,11.7,10.2
1974,8.8,7.9,10,10.9,15.2,19.5,22.3,22.9,20.6,14.4,11.5,8.6
1975,7.9,7.5,9.7,11.1,15.7,18.8,22.2,21.9,20.7,15.6,12.1,9.9
1976,7.8,8,8.6,10.6,15.4,18.9,22.3,21.6,18.5,16.1,11.2,9.7
1977,9,9.3,10.4,11.2,15.7,18.7,23,22,19.4,15.1,12.9,8.9
1978,7.9,8.9,9.3,10.7,14.8,19.7,21.8,22.3,19.2,15,10.2,10.8
1979,8.2,9.2,9.8,10.5,15.1,20.4,22.9,22.7,19.4,17,11.2,9.6
1980,7.6,8.4,9.4,9.3,13.8,18.6,21.6,23.3,20.5,16.4,13.3,7.6
1981,6.4,6.8,10.3,12.1,15.9,20.9,22.4,22.6,20.8,17.8,10.7,10.2
1982,10.1,7.5,8.6,11,15.6,22.3,24.5,24.2,21.7,17.8,13,9.1
1983,7.2,6.8,9.1,12.4,16,19.4,24.2,23.7,20.7,16,13,8.7
1984,8.4,7.3,8.7,10.9,15.8,18.6,22.9,22.6,19.7,16.9,14,10.2
1985,8.2,9,9.2,12.6,16.2,20.7,23.5,23.4,20.8,16.6,13.7,10.2
1986,8.4,8,9.6,11.9,16.9,19.8,22.8,24.6,20.9,17.3,12.7,8.5
1987,8.3,8.8,7,11.1,14,19.7,25.1,24.4,22.8,19.2,13.3,10.6
1988,10.3,9.7,9.3,12.2,17.1,19.8,24.9,24.4,20.5,18,11.7,9.7
1989,7.5,8.5,11.1,12.6,15.1,19.3,23.5,23.6,20.7,15.2,12.7,11
1990,9,10.2,10.6,11.8,16.1,20.6,21.2,23.2,21.6,19.1,13.3,8.4
1991,8.2,7.9,11.3,10.7,13.3,19.5,23.1,23.9,21.6,17.6,12.5,7.2
1992,8.1,7.8,9.5,11.9,15.6,19.6,22,24.6,21,18.2,13.5,10.6
1993,8.1,6.7,8.2,11.6,16.3,20.8,23,24.4,21.1,16.4,12.7,10
1994,9.3,8.8,10.6,11.3,17.2,20,24.2,25.8,22,17.8,13.7,10.1
1995,7.7,9.7,8.9,10.8,15.8,19.8,24.1,23.7,20.1,16.2,11.8,10.9
1996,9.7,8,8.9,11.5,15.8,19.8,23,23.7,19.3,15.4,13.3,10.2
1997,9.6,8.1,9.6,10,16.7,21.9,23.2,23.1,20.6,17,13.3,9.9
1998,8.8,9.1,8.7,12.8,15.8,21.7,24.2,24,20.2,16.9,11.6,8
1999,8,6.5,9.2,12,17.3,21.6,23.1,25.4,21.9,18.7,13.4,10.1
2000,6.9,7.7,9.8,12.6,17.6,20.6,23.5,24,20.7,16.8,14.1,10.9
2001,10.3,8.9,12.2,11.6,16.9,20.8,24.1,24.3,20.7,19,13.2,7.7
2002,7.2,9.8,11.2,12.2,16.5,21.2,23.7,23.2,19.5,16.4,13.7,9.6
2003,8.7,5.2,8.1,11.6,17.6,21.8,25.7,25.2,20.4,17.7,13.9,9.5
2004,8,9.1,9.5,11.9,14.9,20,23.6,24.1,20.2,18.3,12.5,10.4
2005,7.1,6.2,9.3,11.3,17.4,21,24.6,23.1,20.9,16.9,13.2,8.9
2006,7.6,8.1,9.8,12.8,17.6,20.9,23.9,23.7,20.6,17.3,12.9,10.6
2007,10.1,9.5,10.2,12.8,16.7,21.7,24.1,24.5,20.5,16.7,12.3,8.6
2008,9.3,7.8,10.4,13,17,20.6,24.2,24.1,20.9,17.3,13.1,9.5
2009,9.2,6.8,9.8,12.3,17.4,20.8,24.5,24.8,21.3,16.1,12.8,10.8
