1901,9.3,7.6,12.5,18.3,22,30.3,33.1,33.3,25.1,17.7,11.4,7.9
1902,9.2,10.8,15.2,17.8,20.6,25.6,33,31.7,25.2,17.9,14,9.2
1903,9.2,11.9,15.3,18.4,19.8,25.9,31.8,32.8,25.6,20.1,14.4,7.6
1904,9.1,10.6,12.7,19,25.2,28.8,33.7,32.1,25.7,21,13,10.8
1905,8.6,10.2,15.1,19.4,21.4,26.3,32.8,31.4,24.2,18.2,11.3,9
1906,10.1,9.4,13.8,15.2,21.8,29.3,32.4,35,26.1,19.7,13.1,8.8
1907,8.5,9.4,16.3,16.7,20.6,29.6,31.6,33.4,26.7,16.4,13.2,10.7
1908,10.2,11.3,12.2,15.3,24.7,25.7,32.7,32.1,27.6,20.7,14.4,10
1909,7.9,9.2,12.6,19.9,22.8,24.3,32.4,32.5,24.6,20.6,12.3,10.4
1910,8.9,11.3,12.3,16.1,19.1,26.7,31.1,30.7,24.4,18.3,12.2,9.8
1911,7.1,11.4,11.8,15.8,20.4,24.6,32.9,32.7,28,17.5,12.7,10.4
1912,8.8,12.3,15,16.7,23.2,27,29.3,28.8,24.3,17.8,12.4,8
1913,10.1,10.8,14.2,16.2,22,29.7,32.6,30.7,23.3,18.4,13.5,8.3
1914,6.6,11.3,14.3,18.3,21.8,25,31,31.7,27.9,19.8,11.9,8.9
1915,8.1,9.5,13.7,15.5,21.7,24.4,33.1,33.2,25.8,18.2,12.4,9.8
1916,9.3,10.2,11.8,17,22.1,26.9,31.4,32.4,25.2,20.4,12.9,9.7
1917,7.5,9.3,12.1,15.1,22.2,27.3,33.8,30.9,27.9,18,12.7,9.8
1918,9.2,11.2,12.6,15,22.2,28.2,32.1,33.1,25.8,16.8,12,9
1919,7.7,11.3,12.8,16.1,22.6,29.1,31.1,33.6,25.9,16.7,10.6,7.5
1920,8.8,10.7,13.7,17.3,21.9,26.2,30.2,29.8,25.3,17.1,10.8,7.1
1921,9.1,10.6,14.2,16.9,21,28.5,33,31.3,26.7,21.2,12.3,8.6
1922,9.5,12.2,12.9,16.7,25.2,26.1,31.8,32.3,23.9,19.6,12.7,8.7
1923,7.8,11.5,15.1,15.2,22.2,25.7,33,34.4,25.2,21.7,12.2,7.6
1924,9.9,8.6,14.2,18.4,24.8,29.3,33.2,31.8,26.1,20.9,13.3,10.1
1925,10.1,10.5,12.2,16.4,20.9,26.9,29.7,31.7,25.9,20.5,11.7,10.1
1926,9.1,15,16.1,17.8,20.5,27.2,32.4,34,30.1,22,12.8,8.6
1927,9.8,10.7,13.9,19.5,23.1,27.8,29.9,30.3,26.2,21.9,12.9,10
1928,9.3,13.4,14.3,16.3,20.2,28.6,34.9,33.1,26.4,20.1,13.2,9
1929,7.5,11.3,15,18.5,20.7,27.8,32.1,31.3,25.7,19.6,12.7,10.8
1930,9.8,8.9,14.7,16.1,23.1,26.2,31.1,33.1,27.9,22.1,14.8,10.7
1931,9.5,11,15.7,17.8,22.1,29.7,32.5,31.1,25.9,20.7,13.3,8.5
1932,9,9.5,14.5,16.4,21.8,25.5,30.7,32.9,26.4,19.1,14.1,9.9
1933,8.3,11,14.2,20.3,24.4,26.3,34.7,35.8,27.6,20.3,11.7,6.9
1934,8.4,10.7,12.4,16.2,23.6,29.6,34.1,30.9,28.1,21.4,11.6,11.2
1935,7.9,12,15,18.8,18.9,27.8,34.1,31.2,28.5,19,12.7,10.7
1936,12.1,12.2,13.4,16.5,19,25.2,31.3,33.4,27.3,18.5,11.6,7.9
1937,9.6,13.2,12.8,18.1,23,28,34.4,34,26.8,21.2,14.4,8.3
1938,9.1,10.5,17,18.4,20.9,30.5,33.1,31.9,25.2,21,15.2,9.5
1939,11.3,12.5,14.4,16.6,21.3,26.1,32.6,32.1,27.5,18.3,13.2,9.3
1940,8.5,13,17.2,18.9,22.5,26.7,32.4,33,26.8,18.4,12.7,8.7
1941,7.9,11.6,14.4,16.1,19,27.1,31.3,30.7,26.7,21.7,12.6,9.1
1942,9.3,9.8,14.7,17.4,22.8,28.6,32.8,31.7,25.8,20.4,12.7,10.2
1943,10.7,12,14.5,19.9,24.2,30.3,31,32.7,26,19.8,13,9.8
1944,11,10.4,15.7,18.6,23.7,27.9,31.9,32.4,26.8,17.6,13.5,9.2
1945,6.4,12.9,17.4,22.2,24,29.7,33.7,31.4,30.8,21.6,14.9,11.1
1946,8.7,12.5,15,17.2,19.3,27.5,33.5,32.4,28.1,21.8,14,9.1
1947,9.1,11.3,15.5,20.4,22.2,30.5,34.1,32.4,26.4,21.4,17,9.7
1948,11.4,13.9,17.9,17.9,21.1,29.2,32.4,32.3,28.1,21.8,16.7,11
1949,10.7,13.7,14.8,21.8,23.1,29.3,34.8,34.9,26.6,21.8,14.5,11
1950,10.6,13.5,16.7,19.6,22.1,29.3,35,32.9,28.2,21.5,16.1,8.7
1951,9.6,10.1,14.6,18.1,18.7,27.8,32.5,30.6,27.2,18.3,12.7,11.4
1952,7.8,12.1,17.7,18.2,22.1,29.6,32.1,30.3,24.1,21,14.9,10.1
1953,10.3,11.8,14.7,18.5,26.3,26.3,32.1,33.8,27.5,18.9,15.5,14
1954,9.3,11.1,13.6,17.3,22.6,27.5,33,30.8,28.8,22.8,15.9,11.7
1955,11.4,11.1,13.9,21.4,25.3,27.7,32.7,32.6,27,20.4,13.4,11.5
1956,10.1,8.3,14.9,15.9,22.9,27.4,30.4,30.8,25.7,20,12.1,9.9
1957,8.6,13.4,18.1,17.7,21.3,25.9,33.4,33.1,28,20.1,13.2,8.7
1958,9.3,13.5,14.1,16.6,24,25.4,31.7,31.1,29,19.8,14.3,9.7
1959,10.4,11.6,13.7,19,20.1,27.2,33.2,30.5,24.2,19.3,14,9.6
1960,9.7,10.8,14.6,19.8,23.4,29.1,31.9,30.8,27,16.6,12.7,8.4
1961,9.2,15.6,18.6,19.6,25.1,28.7,32.9,32.8,28.1,19.9,13.2,11.4
1962,11.8,13.1,13.4,18,23.7,27.9,33,34.2,29,21.6,11.2,8.5
1963,9.1,8.9,15,17.8,23.4,26.9,32.5,31.1,25.8,23.5,14.6,9.2
1964,9.1,13.1,14.5,18.2,27.2,28.1,32.8,32.6,30.1,20.3,14.9,9.1
1965,10.1,10,14.8,18.8,25.5,29.7,31.9,32.1,24,19.3,12.7,10.6
1966,11.5,13.2,16,18,24.3,27.6,32.6,32.8,28.6,17.9,11.2,11
1967,9.7,11.7,17.3,17.3,21,26.2,34.4,32.6,26.5,22.3,14.3,8.8
1968,11.3,11.6,14.1,17.3,22.5,29,33.2,31.6,26.5,23.6,14.3,10.1
1969,11.4,10.2,14.2,17.7,21.1,25.9,33.1,32,23.3,20.3,13.1,9.3
1970,11,12.6,13.8,19.3,22.8,27.9,33.4,31.6,30.1,20.7,16.6,7.9
1971,9.6,13.2,11.8,16.5,19.4,25.5,31.7,31.3,27.9,22.6,12.7,10.5
1972,8.8,12,13.4,18,20.9,27,31.7,30.9,22.9,18,14,9.9
1973,10.4,12.3,14.5,18.4,22.7,27.1,32,33.6,27.8,19.7,15.1,9.2
1974,11.8,10.9,14.5,15.4,23.2,26.7,32.3,31.9,27.1,18.1,14.7,11.8
1975,12,12.3,12.6,17.6,19.9,26.7,33.8,32.1,25,21.4,13.8,9.2
1976,11.7,12.1,15.9,15.5,23.8,29.1,31.6,30.4,24.6,17.4,12.5,10.8
1977,9.3,12,16.4,19.6,20.1,24.7,28.8,29.2,27.9,20.4,14.2,11.7
1978,9.8,13.1,16.3,16.4,19.9,24.7,32.2,32.8,29.4,21.4,14.4,11.9
1979,11.1,12,13.9,16.6,22.9,29,32.4,32.6,26.2,18.5,15,11.7
1980,10.2,13.2,14.9,17.8,20.2,27.5,31.7,32.9,29.5,21,13.7,10.4
1981,11.7,12.2,17.2,16.8,21.8,29.8,32.4,32.2,28.1,22.2,17.8,11.7
1982,11.7,12.4,16.2,18.8,23.9,29.6,33.2,32.2,27.2,19.8,13.9,10.5
1983,12.1,10.9,17.5,17.4,20.8,30.1,33.2,30.4,30.2,23.3,15.8,11.2
1984,10.1,11.9,12.3,20.1,16.7,26.7,33.8,30.9,27.5,20.2,13.8,11.2
1985,8.3,13.5,14.7,19.4,21.1,28.6,34.5,33.6,31.3,23.8,13.7,10.6
1986,10,10.3,15.1,14.4,25.4,29.5,34.3,32.4,27.8,21.7,15.3,10.9
1987,9.5,11.7,16.8,19.6,23.6,29.4,32.3,33.9,30.7,19.1,14.3,11.9
1988,11.5,12.3,17.7,17.7,21.3,25.6,32.7,33.9,29.4,22,14.9,11.5
1989,11.5,13.5,18,16.6,24.9,29.8,35,34.1,26.4,22.9,15.5,12.3
1990,11,16,17.1,16.8,24.7,30.9,35.2,34.1,29.2,20.2,14.5,9.7
1991,10.4,10.8,15,17.8,23.1,30.8,35.1,35.9,29,18.9,14.7,10.9
1992,9.7,12.9,16.6,20.2,25.1,24.8,34,34.2,28,18.5,16.2,11.3
1993,11.6,11.6,16.2,18.1,21.7,28.6,33.2,33.9,25.6,16.6,13.3,11.1
1994,10.8,12.9,19.7,18.4,23.5,30.8,36.1,35,25.7,20.6,16.2,11.8
1995,12,14.7,17.5,21.3,26,29.6,34.8,33.4,25.2,23.3,16.2,11.8
1996,11.6,11.3,15,19.7,22.2,30.6,33.6,32,25,21.2,14.9,10.8
1997,10.8,15.9,21,21.8,22.9,27,31.8,33,29.5,23.1,14,10.9
1998,11.6,14.4,19.2,17,21.7,30.1,34.9,35,27.4,21.1,15.3,11.3
1999,11.4,13,16,20.5,24.6,30.2,34.7,33.9,27.4,20.5,13.3,10.5
2000,10.3,16.3,18,16,24.6,31.2,33.1,33.4,28.7,21,13.6,11.8
2001,11.2,13.6,17.2,20.5,23,31.5,33.1,34.2,27.4,22.4,13.3,9.4
2002,11.8,15.3,16.4,19.3,22.5,31.2,33.6,31.9,26.7,20.9,14.7,12.2
2003,10.9,11.2,17.5,19.4,25.7,33.3,35.1,36.1,29.1,19.6,15,11.2
2004,12.5,13.4,14.5,18.3,21.2,32.2,34.5,32.8,29.9,22,15.1,11.2
2005,12,10.7,16.2,20.4,26.1,32.7,35.1,34.2,28.2,21.6,13.6,10.6
2006,10.1,11.9,16.5,21,26.4,30.6,35.7,32.7,28.9,22.7,16.3,11
2007,11.6,14.1,16.1,19.3,23.8,28.1,33.7,32.8,28.4,21.5,15.4,11
2008,13,14.1,17.1,20.2,22,28.9,34.1,34.8,27.5,21,12.9,10
2009,9.8,12.7,17.8,18.7,26.1,31.2,35.4,36.2,28.9,23.8,16.5,11.1
