1901,7.5,6,10.4,13.6,14.5,21.2,23.3,23.2,21.3,16.4,11.4,9.5
1902,8,9.8,10.7,14.3,13.5,18.9,23.6,24,21.4,16.8,12,9.5
1903,8.7,8.7,10.1,10.9,15.9,18.3,22.3,22.9,21,17.2,11.3,9.6
1904,8.2,9.5,10.7,13.6,16.7,21.3,24.2,24.1,19.8,16,10.3,9.2
1905,6.1,6.6,10.7,13.4,15.1,19.9,24.5,23.8,21.4,14.8,12.8,9.4
1906,8.2,6.5,9.5,12.3,15,19.8,22.5,23.8,20.5,16.7,12.7,7.9
1907,6.6,6.5,8.2,11.3,15.8,20,22.4,24.3,21.5,17.7,13.1,10.6
1908,7.7,7.4,9.2,11,17.9,20.7,22.9,23.3,20.1,17.2,12,9
1909,6.8,6.1,10.1,13.1,16.2,19.3,21.7,23.5,20.1,17.5,11.9,11.5
1910,8.1,7.9,9.5,12.2,14.3,19.4,21.5,22.8,18.7,18,11.3,10.5
1911,6.4,7.4,10.6,11.6,15.1,20.1,23.8,25.6,22.3,18.4,13.8,11.2
1912,9.7,11.1,12.2,11.9,16.9,19.1,22.9,22.2,18.4,15.9,10.2,9
1913,9.2,7.6,10.3,11.9,15.6,20.2,21,23.1,21.7,16.9,14,9.8
1914,6.7,9.6,11.4,14.6,16,19.1,22.1,22.9,20.4,16.5,11.9,10.6
1915,8.3,8,10.2,11.9,17.3,20.7,23.3,23.7,19.9,15.2,12,11.9
1916,8.9,9.5,11.5,12.9,16.7,20.3,23.5,22.9,19,15.7,11.7,10.1
1917,7,8.4,9.6,11.5,17.5,21.1,23.2,24.8,22.4,16.2,10.5,7.7
1918,8.2,7.3,9.3,12.1,15.7,18.6,22.7,22.7,22.6,15.3,12.2,9.8
1919,8,8.3,9.8,11.5,13.9,20,21.8,23.6,21.5,15.2,12,8.9
1920,9.5,9.5,10.5,13.4,18.5,20.2,23.2,23.6,21.1,17.3,12.3,9.7
1921,9.5,8.5,10,11.8,16.6,20,24.3,24.2,23.1,18.4,12.1,9.3
1922,8.4,9.4,12.5,13.5,17.6,21.5,22.9,25.3,19.7,17.5,10.8,8.6
1923,6.8,9,9.8,12.6,16.2,17.7,24,24.9,20.6,18,13.4,8.7
1924,7.8,7.3,10.4,13.5,18.2,21.3,24.3,22.9,22.5,17.3,12.4,9.7
1925,8.6,9.2,8.3,13,16,21.6,22.7,23.9,20.6,17.1,11.8,9.2
1926,8.5,10.9,11.2,13.8,15.4,19.3,22.1,22.9,22.7,19.5,15,8.5
1927,8,7.7,10.7,13.1,17.1,22,23.7,25.3,21.4,16.1,13.5,10.5
1928,8.6,8.5,10.3,13.3,14.7,20.9,24.2,25.4,22,17.5,11.9,8.1
1929,5.9,4.6,9.1,12.2,16.1,21,23.7,23,21.9,17.4,12,9.9
1930,9.8,7.7,11.3,12.5,15.7,21.9,24.2,23.4,21.3,16.6,13.1,9.9
1931,9.2,7,11.3,12.6,16.9,23.3,24.1,24.7,19.8,17.2,13.6,8.7
1932,9.3,6.6,10.2,12.3,16.1,19.2,21.7,24.4,23.7,17.8,13.2,12
1933,8,8.5,10.7,13.4,15.8,18.4,23,24.1,22.3,19.1,12,8.5
1934,8,8.9,9.8,13.7,16.8,20.6,24,23.2,20.8,16.7,12.4,11.1
1935,6.5,8.8,9.7,12.8,14.6,21.4,24.1,23.8,21.6,17.9,13.4,9.9
1936,11,10.2,11.6,13,15.3,19.3,23,23,21.4,14.8,11.7,9.8
1937,9.4,10.8,11,13,16.7,21.7,23.2,23.7,20.9,17.6,13.7,8.8
1938,8,7.4,10.8,11.1,14.8,21,22.9,23.8,21,17.6,13.2,9.6
1939,9.5,9.9,8.8,13,13.6,19.8,24.1,24.1,20.5,17.4,12.7,10.2
1940,7.5,9,11.2,12.7,15.8,19.3,22.1,21.7,21.3,17.4,12.2,7.2
1941,8.2,9.4,11.1,12.6,14.6,20.4,24,23.8,20.1,16.2,11.9,8.2
1942,5.9,7,12.1,14.4,17.4,21.6,23.8,23.7,22.5,19.5,12.7,11.4
1943,8.3,9.6,11.8,14.6,17.8,21.2,25.2,25.1,24.5,18.5,12.2,11.2
1944,7.6,6.6,8.4,14.2,18.2,21.1,24,26.1,22.3,17,12.5,9.3
1945,5.8,8.8,10.6,15.4,18.5,24.1,26.2,25.4,21.8,16.4,11.6,10
1946,8.3,9,9.6,14.1,15.5,20.5,23.7,25.1,23.1,17.9,13,8.3
1947,7.3,9.6,13,13.3,17.4,22.2,25,25.8,22.7,17.6,13.6,8.9
1948,9.7,9.1,11.1,13.6,17.4,20.2,22.3,24,20.8,18.6,12.5,10.2
1949,9.3,7.9,8.7,14.2,16.2,21,23.9,24.3,24,18.3,12.1,10.9
1950,8.3,9.6,10.6,12.2,17.2,22.3,25,25.4,21.8,17.3,12.5,9.1
1951,9.3,10,10.7,12.8,15.8,20.7,23.6,23.9,22,16.4,13.9,9.4
1952,7.7,7.8,11.5,13.9,17,22.8,25.6,25.4,21.4,17.6,12.9,10.3
1953,5.7,7.3,9.6,13.6,17,18.9,23,23.2,22.4,18.2,12.9,12.5
1954,7.2,8.2,11.8,12.2,15.7,21.4,22.3,22.4,21.6,16.5,13.2,10.9
1955,12.2,11.1,10.4,12.5,17.3,20.9,24.1,23.6,20.6,16,12.5,12.2
1956,10.2,5.2,9.9,12.4,16.5,18.6,23.1,24.6,22.4,16,11.4,8.9
1957,8,11,11.7,12.9,15.3,20.4,23.4,24.7,20.8,18,13.6,9.9
1958,8.8,9.8,10.2,11.3,17.1,20.2,22.9,24.4,22,18.1,13.5,11.8
1959,8.8,10.1,12.4,12.8,15.9,20.1,24.2,23.9,21.8,16.4,12.5,11.1
1960,9,10.4,11.7,12.4,16.7,21.3,22.4,23.9,20.1,17.5,13.8,10.4
1961,9.2,9.8,10.7,14.6,16.9,20.5,23.1,23.2,22.6,17.6,13.8,10.7
1962,9.9,8.4,10,12.8,16.3,19.3,23.2,24.1,22.2,17.8,12.3,8.7
1963,7.9,8.1,9.8,13.4,15.5,19.8,24.1,23.6,20.8,15.8,14.9,11.4
1964,7.8,10,11.5,12.7,17.4,21.3,23.7,23.3,21,16.5,13.6,9.7
1965,9.1,6.1,10.5,11.5,15.9,20.1,23.6,23.2,19.8,18.3,14.5,11.4
1966,9.3,11.6,9.7,13.9,16.6,21.3,22.3,23.5,21.6,18.8,11.5,10.1
1967,8.4,10,11.4,12.5,16.8,19.2,24.4,24.9,21,18.9,14.8,9.8
1968,8.5,10.5,10.9,14.2,17.6,20.4,23.7,23.1,21,17.3,13.5,10.9
1969,9.1,8.6,11,12.7,17.5,18.9,22.5,24,21,17.8,14.2,8.5
1970,11,10.1,10,12.8,15.5,21.1,22.5,24,22,16.5,13.7,10.8
1971,9.5,8.9,8.4,13.7,17.1,20,23.9,26.3,21.6,17.2,12.2,9.9
1972,9.6,10.7,12.3,12.8,15.3,20,22.9,22.1,19.6,16.2,14.2,10.8
1973,9.8,8.4,9.3,11.3,17,21,24.1,24.3,22.1,17.5,12.7,10.1
1974,10,9.8,11.3,12,16.2,20.1,22.3,23.7,21.1,14.4,12.1,9.4
1975,9.4,9.1,10,12.5,16,19.2,23.3,23.2,22.2,16.4,10.9,10.5
1976,8.9,9.6,10.1,12,16.5,20,23.2,22.7,19.8,16.8,12,10.8
1977,10.5,11.4,12.2,12.9,17.1,20.1,24,23.3,20.1,18.6,13.8,10.4
1978,8.6,10.1,10.7,12.1,15.8,20.1,22.6,23.6,20.9,16,11.1,12.1
1979,9.8,10.4,11.4,11.5,16,21.4,23.8,23.6,20.4,17.8,11.4,10.4
1980,9.1,9.8,10.8,11.3,14.9,19.9,21.7,24.6,22,16.6,12.9,7.7
1981,7.2,7.5,11.8,13.7,16.3,21.1,22.2,23.8,22.1,18.3,11.5,11.8
1982,10.5,9.3,9.8,13.3,16.9,22.4,26.1,24.7,22.5,18,13.8,9.9
1983,8.4,7.8,10.5,13.5,17.4,20.9,26,24.6,21.6,17.1,13.7,10
1984,9,7.7,9.8,11.8,15.7,19.6,23.7,23.6,20.3,16.9,14.6,9.8
1985,6.8,10.4,9.5,13.4,16.2,20.7,25.1,23.4,21.6,17.4,12.8,10.6
1986,8.8,8.8,10.9,12.7,17.9,19.5,23.1,25.2,22,19,13.4,9.4
1987,8.8,9.9,9.1,13.2,15.2,20,24.9,25.5,24.1,19.7,13.4,11.6
1988,10.9,9.1,11,13.8,18.2,21.1,25.9,25.5,21,19.3,12.3,8.9
1989,8,9.2,12.2,13.1,16.6,20.5,24.2,25.2,21.4,16.5,13.6,11.9
1990,8.6,11.8,11.5,12.7,17.3,21.3,24.2,24.7,23,20.2,12.7,7.6
1991,8.4,8.5,12.5,11.3,14.1,20.4,24,25.3,23.4,17.5,12.5,8.3
1992,8.5,8.6,11.3,13,17.5,20.7,23,26.1,22.1,17.9,14.4,11.1
1993,8.9,8,9.5,13,17.6,21.7,23.3,25.3,21.7,17.6,12.4,10.7
1994,9.9,9.3,11.5,12.1,18.1,21,25.5,27,22.7,18.1,14.9,11.2
1995,8.2,11,10.2,12.7,16.8,20.1,25.1,25.1,20.5,18.1,13,11.7
1996,11.4,8.6,10.4,13.1,16.7,20.5,23.6,24.7,20,16.4,13.5,11.2
1997,10.2,10.3,10.9,12.4,17.8,22.3,23.8,24.9,22.2,18.8,14.2,10.9
1998,9.4,9.5,10.5,13.9,17,21.9,24.8,25.1,21.4,17.1,11.7,8.7
1999,9,7.8,10.8,13.5,18.3,22.1,24.6,26.6,23.4,19.2,13.1,9.8
2000,7.4,9.4,11.6,14.2,19.2,21.7,24.1,25.5,22,17.8,14.3,11.8
2001,11.4,10,13.7,13.3,18.4,21.8,24.9,25.6,21.1,20.6,14,9.5
2002,8.8,10.9,12.4,14.5,17.7,22.5,24.4,24.5,21.5,18.1,14.9,11.6
2003,9.8,7.9,10.8,13.8,18.8,23.4,26.9,27.8,22.2,18.7,14.8,10.4
2004,9.7,10.7,10.9,13.3,16.2,21.4,24.5,25.4,22.5,20.1,13.5,11.6
2005,8.2,7.2,10.4,13.4,18.3,22.7,25,24.5,22,18.8,13.6,9.7
2006,8.4,9.3,11.4,14.8,18.8,22.3,26.5,24.5,22.1,19.5,14.6,11.6
2007,11.3,11.4,11.3,15,18.5,22.4,24.6,25,22,17.9,13,10.2
2008,10.4,9.8,11.6,14.7,18.6,21.9,25.2,25.5,22.2,18.8,14,10.6
2009,9.7,8.7,11.3,14.2,19.3,22.6,25.5,26.6,23,18.3,14.2,11.7
