1901,7.2,6.1,9.8,14,17.8,21.3,24,23.6,18.2,13.6,9.6,6.3
1902,7.9,8,12.1,13,16.4,17.8,22.3,21.6,19.7,15.1,11.2,7.8
1903,7.5,10.9,11.5,15,14.9,18.8,22.6,23.5,19.1,15,11.9,6.3
1904,6.8,7.8,9.3,15.5,18.1,20.4,22.3,23.1,18.3,17.9,11.5,9.3
1905,7.6,8.6,11.4,14.3,17.4,18,23.2,21.1,18.7,15,8.3,8.6
1906,8.2,7,11.6,12.9,16.2,20.6,23.2,23.9,21.4,15.4,10.8,7.2
1907,7.3,8.1,13.8,12.8,15,19.5,21.9,23.7,21.5,12.5,10.1,8.6
1908,8,9.4,9.3,12.3,18.7,19.9,23.5,22.5,20.1,17.1,12.3,8.4
1909,7.3,8,8.5,15.5,17.7,17.2,24.3,22.3,18.7,15.4,10.1,8.4
1910,7.1,8.6,10.7,12.2,15,18.5,21.6,21.9,21.5,15.4,10.2,8.3
1911,5.6,9.4,9.6,11.9,15.8,18.6,25.2,23,22.2,13.8,9.8,8.7
1912,7.4,10.4,11.6,14.9,18.5,18.2,19.7,21.5,20.3,14.3,10.6,7.9
1913,8,8.6,10.5,12,15.9,21.2,23.5,22.3,18.7,14.7,11,7.3
1914,6.4,9.3,10.1,14.4,16.8,18.4,20.9,22.2,22,16.5,10.3,7.7
1915,6.3,7.2,11.8,13,15.8,19.8,22.5,23.2,20.6,15,10.5,8.9
1916,7.9,7.5,8.3,13,16.2,19.2,22.3,22.8,21.2,16.3,10.6,8.2
1917,5.8,7.2,9,12.9,16.2,20.1,23.1,20.9,21.4,14.5,11.5,5.6
1918,8.6,9.9,10.5,11.9,17,22.4,23.5,24.2,18.2,13.3,10.6,8.1
1919,7.2,9.2,9.5,13.2,17.1,22.9,22.5,24.8,20.9,15,8.9,7.6
1920,7.4,10.4,11.5,13.6,17.9,19.6,21.7,22.4,21.4,13.6,10.8,8.3
1921,8.2,8.6,12,14.6,16.3,22.1,25.6,23.3,20.3,18.2,11.7,8.2
1922,8.2,10,9.7,11.6,20.7,20.7,21.5,23.6,19.7,16,11.9,8.9
1923,7.3,9.4,13,11.4,15.7,21.8,23.5,24.3,21.1,17.5,9.4,7.2
1924,8.9,7.9,11.3,14.6,16.6,21.3,23,23.1,18.9,15.8,11.1,9.4
1925,9.7,8.3,11.5,12.2,14.7,21,21.9,24,21,18.7,10.2,9.5
1926,9.3,12.2,13.4,13.3,15.8,20.5,25.6,26.6,26.2,18.7,10.8,8
1927,8,9.4,11.4,14.9,17.5,20.7,21.4,22.9,19.1,17.6,10.7,8.3
1928,7.9,11.3,10.8,12.1,15.4,21.1,27,23.6,21.8,16,11.1,7.9
1929,8,9.7,14.1,15.7,14.9,21.6,23.9,24.6,22.3,16.7,10.8,9.9
1930,8.3,7.2,12,11,16.1,18.9,22.1,24.4,21,16.8,11.9,9.4
1931,7.6,9.1,11.7,14.4,14.9,21.2,22.2,22.5,21.6,17.3,12.3,8.6
1932,8.5,8.2,12.4,12.2,16,19.5,22.5,24.7,20.6,14.6,12,9.2
1933,7.3,9.6,12,16.2,19.1,20.1,25.5,25.9,20.2,16,9.9,6.1
1934,7.8,9.7,9.9,11.7,18,21.8,26,22.8,21,18.1,9.4,10.3
1935,7.6,9.6,13.9,14.2,14.7,18.9,24.3,24.4,21.6,15.6,10.8,8.5
1936,9.9,9.9,10.5,13.1,15.2,18.9,21.9,26,21.1,15.5,10.9,8.1
1937,7.8,9.9,9.5,14.6,17.1,20.4,24.5,24.5,20.8,16,12.1,7.4
1938,8.4,10.2,16,17.3,16.2,22.4,22.6,23.1,19.1,16.8,13.5,7.7
1939,8.4,10.6,11.8,13.4,18.1,19.6,22.7,22.5,21.3,14.1,11.3,8.2
1940,7.5,10.3,13.8,14.5,16.3,20.9,22.1,26.4,21.8,14.8,10.8,7.6
1941,6.4,8.4,11.2,12.7,13.9,21.7,23.6,24.4,23.5,19.5,11.5,8.9
1942,8.5,9.1,11.7,13.7,16.7,21.1,24.3,23.4,21.7,17.9,11.3,10.1
1943,8.3,11.1,13.4,17.7,19.1,23.4,23.8,25.5,19.7,15.8,11.7,8.6
1944,9.2,10,13.3,16.4,19.1,22.7,23.8,24,21.4,14.8,11.9,8.8
1945,6,11.5,15.7,17.4,17.5,23.1,24,22.8,22.9,19.3,13,9.9
1946,7.7,11.2,11.4,13.6,14,20.3,25.7,22.4,20.8,17.1,12.6,8.1
1947,7.8,7.5,11.2,17.3,16.5,21.5,24.2,25,21.8,18.9,15.3,9.1
1948,9.6,10.9,16.8,14.2,16.3,22.6,23.8,23.6,23,18.5,15.1,10.4
1949,10.4,12.5,13.3,16.9,16.6,22.2,25.4,25.7,20.8,17.7,12.6,9.3
1950,9.9,10.4,13.4,15.4,16.5,21,23.9,23.4,21,16.5,12.3,7.6
1951,8.4,8.1,11.5,14.4,14.9,21.4,24.2,23.3,22.4,16.7,10.6,9.4
1952,8.1,10.5,13.5,14.6,17.7,22.3,24.4,23.7,20.4,16.6,12.6,8.8
1953,8.5,9.7,14.3,14,19.1,20.3,23.8,25.8,22.7,16.7,13.4,11.6
1954,8.1,8.5,11.1,14.5,17.6,20,24.6,23.2,21.6,19.4,13,9.6
1955,9.2,8.8,11.5,17.2,18.5,21.3,24.1,25,23.3,18.6,11.3,10.8
1956,9.6,8.6,11.5,13.2,18,21.1,23.7,22.3,20,17.5,11.4,8.4
1957,8.1,9.9,13.7,15,16.9,21,25.5,24.8,22.6,18.1,12,8.6
1958,9.4,11.2,11.8,15,17.8,20.1,23.2,23.1,21.7,17.7,13.4,8.9
1959,9.8,10.6,11.5,14.2,17.3,21.5,24.9,24.9,21.5,17.6,11.6,8.6
1960,8.7,9.3,12.8,15.5,17.4,23,24.2,23.3,21.2,14.6,11.2,8.2
1961,7.7,13.4,17.3,14.5,19.9,21.8,24.3,26.2,21.9,16.3,11.1,10.1
1962,9.1,10.6,10.7,14.7,18.1,23.5,23.8,25.3,22.8,19.1,10.4,8.1
1963,7.1,7,11.1,14.2,18.1,20.3,25,22.9,21.2,20.2,11.1,7.4
1964,10.3,10.5,11.1,14.3,20,21.8,24.1,25.5,23.6,17.1,13.4,8.5
1965,8.6,8.9,12.1,14.7,19.8,22.1,23,25,19.5,17.1,9.9,8.8
1966,9.6,10,14.3,13.7,19.1,20.7,24.2,24,23.7,15.5,9.9,9.6
1967,8.7,10.5,14.5,15.1,15.2,22.7,24,23.6,21,17.7,11.6,8.8
1968,10.6,9.1,11.7,12.7,17.1,22.4,24.8,24.3,20,19.5,12.8,9.3
1969,9.1,7.8,11.4,13.8,15.6,20.1,26.3,25.3,19.2,18.8,10.8,8
1970,8.2,10.2,11.7,14.7,18.2,20.3,24.8,23.3,24.3,19.2,14.5,7.5
1971,8.1,11.9,10.6,13.8,14.9,18.9,24.3,22.3,22.9,20.5,12.5,9.6
1972,6.9,8.3,10.6,14.4,15.7,18.6,24,23.7,19.8,15.5,11.8,9.1
1973,8.8,10,13.3,15.8,16.7,22,23.1,25.1,21.4,17.4,14.1,9.1
1974,8.9,9.2,11.8,13.4,16.8,20.8,25.1,23.6,19.8,14.9,12.3,11.1
1975,9.9,10.3,10.1,14.5,16.6,21.6,24.5,25.2,20,17.5,12.3,7.8
1976,9.7,10.7,13,13.4,17.9,24,25.2,24.5,20,14.8,10.5,8.6
1977,7.4,9.4,13.6,15.4,17.1,19.6,22.1,22.2,22.4,16.7,11.4,10.8
1978,7.9,10.1,12,12.2,15.8,19.3,23.5,24.3,24.3,18.9,13.5,9.6
1979,8.6,9.5,10.3,13.4,17,21.9,25.3,24.3,21.7,15.2,12.8,10.3
1980,8.6,10.7,11.6,15.5,15.9,20.3,23.1,24.4,22.7,17.3,11.6,9.1
1981,11.1,10.8,13.2,13.9,15.6,23.4,25,24.7,21.6,16.8,16.9,9.4
1982,10.8,11.5,13.7,17,17.4,20.5,22.8,25,21.8,16,12.1,8.4
1983,11,8.8,14.7,12.2,14.3,22.5,22.8,23.5,23.6,18.6,13.7,11.3
1984,8.5,10.2,10.8,17,13.9,21,23.8,24.5,22.1,17.2,11,9.3
1985,7.8,11,11.4,15.5,16.1,21,24.2,24.2,25.3,20,11.2,10.1
1986,8.6,8.3,11.6,11,17.4,21.3,25.2,22.7,21.3,17.9,12.2,10.4
1987,8.8,10.1,13.6,15,18.9,20.9,24.5,25.2,24,14.1,12.7,10.6
1988,8.7,10.4,13.8,13.8,15.8,20,22.7,24.2,23.8,17.4,13.8,10.1
1989,10.7,12.3,14.4,12.2,19.9,22.5,27,24.9,21.8,19.4,11.9,10.4
1990,8.8,12.5,15.4,13.8,20,21.4,26.6,26,22.8,16,11.9,8.2
1991,8.6,9.1,11.6,13.9,20.1,21.6,25.1,26.2,22.3,15.3,11.6,10.2
1992,8.9,11.9,14.4,15.7,19.8,19.5,25.5,24.6,20.8,14.1,12.9,10.8
1993,10.7,11.9,13.9,13.5,15.9,21.7,26.2,25,19.7,13.8,11.2,9.3
1994,9.2,9.8,15,14.3,16.2,22.7,23.6,23.8,20.1,17.3,14.3,10.4
1995,9.5,10.7,14.3,17,18.8,22,24.8,26,19.7,19.6,13,10.1
1996,8.6,8.6,12.9,15.3,16.9,24,24.9,23.4,20.5,17.4,11.8,8.9
1997,7.9,11.5,19.2,18.1,18.1,20,24.4,24.1,22.7,19,12.1,9.5
1998,9.7,13.4,15.9,12.4,17.2,22.3,24.2,25.5,21.3,17.4,13,9.8
1999,9.7,11.3,13.4,15.3,17.6,22,25.9,24.7,21.2,16.5,13.1,9.7
2000,8.2,12.7,15.1,12,18.3,23.7,23.9,24.8,22.6,16.7,10.9,10.1
2001,9.1,11.9,12.3,15.2,18.1,23,23.5,23.8,22,17.5,11.6,8
2002,10.2,11.5,13.7,14.7,15.8,19.9,22.9,23.4,20.5,18.3,11.1,10.5
2003,9.3,9.2,14.4,15.4,19.6,23.7,24.3,26.6,23.5,15.6,12.6,9.5
2004,10.4,11.1,12.5,15.4,18.2,24.6,25.6,24.3,22.9,16.3,11.5,9.8
2005,10.1,9.8,14,15.1,18.7,24.2,25.3,26.2,22.5,17.6,12,9.5
2006,8.9,10.1,12.7,16.4,20.2,23.6,26.8,26.5,23.5,17.9,13.5,10.7
2007,9.1,11.4,13.6,16,17.9,20.8,24.1,24.1,23,18.2,14.2,9.4
2008,11,13,13.2,16.7,16.8,22.8,24.5,24.8,21.4,17.4,11.8,8.9
2009,8.1,11.2,16,14.4,19.3,23.4,22.9,25.5,24.3,20.1,12.6,8.7
