1901,7.8,5.5,10.1,13.7,16.1,22.5,24.4,24.5,20.8,14.2,9.9,6.6
1902,7,9.5,11.3,14,14.9,19.7,24.6,24.1,20.1,14.2,11.5,8.1
1903,7.5,8.7,11.1,12.9,15.5,19.8,23.7,24.7,20.3,16.7,12,7.5
1904,8,9.3,9.5,13.2,17.9,21.4,25.2,25,20.2,16.4,10.6,9.3
1905,7,6.8,12.2,14.4,15.4,20.7,24.4,24.2,19.8,14.6,10.3,7.2
1906,8.4,7.8,10,11.3,15.9,21.3,23.7,25.2,20.5,16,11,7.5
1907,6.8,7.2,10.4,12.9,15.1,21.3,22.7,24,20.2,14.2,10.9,9.5
1908,8.2,8.4,8.8,11.3,17.1,19,23.4,23.8,21.3,16.5,12,8.6
1909,6.1,6.3,10.5,13.5,16.5,18.9,22.7,24,19.1,16.2,11.2,9.4
1910,7.3,10,9.2,12.3,14.8,20.4,23.4,23.4,19.4,15.6,11.6,8.8
1911,5.5,8.5,9.4,11.7,15.5,19.4,24.1,24.8,21.9,15.1,11,9.6
1912,7.9,10.7,12.1,12.1,17.3,20.2,22.6,22.6,18.6,14.6,9.8,6.7
1913,9.1,8.4,10.3,12.4,16.5,20.9,23.7,23.4,19.2,15.5,12.5,7.7
1914,5.8,9.5,11.7,13.3,15.9,18.7,22.9,23.2,21,15.5,10.5,7.7
1915,6.7,7.5,10,10.8,15.8,20.5,24.3,24.8,19.8,14.1,10.4,8.6
1916,7.1,8.4,9.6,12.2,16.4,19.5,23.1,24.3,19.5,15.9,11.1,8.6
1917,6.4,7.8,9.2,10.7,16,20.1,24.2,23.7,21.5,14.6,9.8,4.7
1918,7.3,7.5,9.1,11.1,15.8,20.1,23.4,23.2,20.2,13,9.5,7.4
1919,5.4,9.2,10,11.3,15.2,19.6,22.5,23.8,20.3,13.3,8.7,6.1
1920,7,7.9,9.6,13,16.1,20,23,22.9,19.8,14.4,9.2,6.2
1921,6.9,7.9,10,11.6,15.2,20.1,24.3,23.9,21.4,17.1,10.1,7.1
1922,7.2,8.9,9.9,13.3,17.2,19.5,23.2,24,18.5,15.6,10,6.3
1923,5.1,8.6,10.7,10.8,16.1,17.7,24.7,25.4,18.9,18,10.1,5.9
1924,7.5,6.4,11,13.4,19.1,21.8,24.8,23.7,20.8,16.5,11.1,7.2
1925,5.8,7.6,7.6,12,15.3,19.8,22.3,23.8,19.4,14.8,9.1,8.2
1926,7.7,11.1,11.2,13.3,15.5,20.1,24.1,24.2,22.5,17.2,9.8,6.3
1927,7.1,7.2,10.6,13.4,17.3,20.6,23.2,24.3,20.9,15.9,9.9,7.5
1928,6.6,8.8,10.9,12.4,14.8,21.1,25.3,24.8,21.2,16,10,6.3
1929,4.8,8.1,9.6,12.7,15.3,21.1,23.8,23.2,20.5,14.9,10.3,8.6
1930,8.3,5.8,10.5,11.6,16.5,19.7,23.5,24.6,21,17.3,11.8,9
1931,7.3,7.7,10.4,13.1,16.3,22.4,24.6,24.3,19.4,15.6,10.7,5.5
1932,5.9,5.8,10.9,11.9,16.2,19.1,22.2,23.3,20.8,14.9,11.2,8.1
1933,6.1,8,10.1,13.6,17.2,19.1,24.4,25.8,21.6,16.4,8.9,5.2
1934,5.8,6.5,8.8,11.7,16.7,21.4,24.9,23.3,21.4,15.6,8.8,9.7
1935,5.3,7.5,10.1,12.9,14,20.8,24.9,23.9,21.8,14.6,10.5,9.1
1936,9.8,10.2,10.3,12.6,14.2,18.8,23.3,23.5,21.2,13.7,9.8,5.9
1937,8.1,10.7,10.2,13.7,16.2,20.6,24.2,24.9,20.5,16.2,12.8,7.3
1938,6.5,6.4,9.7,11.8,14.7,21.2,23.8,23.6,19.3,16.1,12,7.7
1939,9.3,8.1,9.1,11.9,14.1,18.9,23.2,23,20.7,14.8,10.7,7.6
1940,6.9,10.2,12.5,13.1,16,18.9,23.1,23.7,20.2,14.3,10.3,5.8
1941,6.7,9.5,10.8,12.1,14.4,19.5,23.3,23.1,20.2,15.2,9.9,6.5
1942,6.9,6.1,11.6,13.6,17,21.1,23.8,23.5,20.7,16.9,10.7,8.1
1943,8.6,7.9,10,13.6,17.5,22.2,23.7,24.4,20.2,15.1,9.4,7.5
1944,6.2,5.8,9.6,13.6,16.7,21.2,23.5,24.6,21.1,13.9,10.8,6.6
1945,4.5,8.5,10.1,14.5,18,21.8,24.9,23.9,22.3,16.3,12.5,9.1
1946,6,8.6,10.2,12.6,15.2,20.2,24,24.6,21.8,17.2,11.1,6.8
1947,6.9,9.4,12.7,13.4,16.1,22.2,25.4,24.7,21.1,16.6,12.8,7.2
1948,9.3,9.6,12,13.1,16.5,21.4,23,24.3,20.8,15.9,11.6,8.8
1949,7.5,8.1,9.7,14.3,15.9,21.1,25.1,25.3,22.1,16.7,11.8,8.5
1950,7.4,9.6,10.4,12.5,16.1,21.4,25.7,25.1,21.2,16.6,12.9,6.8
1951,7.2,8.4,10.7,11.9,14.6,20.8,23.9,23.2,20.9,14.2,10.4,8.9
1952,5.8,7.7,12.2,12.8,16.8,22.3,24.7,24.1,19.5,16.3,11.2,7.8
1953,5.9,6.9,9.1,13.3,17.7,19.8,24,24.5,21.1,15.2,12,9.6
1954,6.4,7.4,10.5,11.5,16.1,20.1,23.4,23.3,20.5,16,12.7,8.8
1955,10.2,9.6,9.6,12.9,17.9,21.3,24.9,24.6,21,15.6,11.1,9.7
1956,8,5,9.8,12.1,16.2,19.6,23.5,23.8,20.4,15.6,9.4,6.2
1957,5.9,9.7,11.5,11.8,15.2,19.3,23.9,24.4,21.3,14.9,10.1,6.8
1958,7.3,9.7,10.9,11.4,17.1,20.4,23.2,23.8,22.2,15.5,10.9,9
1959,7.9,7.8,11.4,13.5,16.1,20.5,25.1,24.4,21.1,16.3,11.2,9
1960,7.8,9.1,11.8,12.9,17,21.9,24.6,24.3,21.1,14.3,11.7,6.8
1961,7.4,10,10.4,14.6,18.4,21.1,24.9,24.5,22.2,16.4,11.2,9.1
1962,8.4,8.5,10.4,13.3,16.6,20.5,24.9,25,22.9,17.3,9.5,7
1963,7.3,7.4,10.9,12.5,15.8,20.6,24.7,23.8,20,16.4,12.4,7.5
1964,7.4,9.5,11.2,12.2,18.3,21.3,25.1,24.8,23.4,16,11,7.5
1965,7.3,6.9,11.3,13.1,17.5,21.2,24.2,24,19.1,16.1,11.6,9.3
1966,9.7,11,10.2,14.2,17,21,24,24.7,21.9,15.4,9.3,8.6
1967,7.4,8.8,11.6,11.8,16.4,19.6,24.7,24.8,20.8,17.8,12.3,7.2
1968,7.9,9.4,10,12.8,16.2,20.6,24.9,24,21.2,17.2,11.7,8.8
1969,8.5,7.5,11,13,17,19.9,24.4,24.2,19.5,16,11.2,7.5
1970,8.8,9.3,9.3,12.5,16.3,20.7,24.3,24.6,22.3,15.6,12.9,6.4
1971,7.4,8.8,8.3,12.5,15.2,19.6,24.6,24.9,21.6,17.5,9.4,7.6
1972,7,9.2,9.9,12.5,14.7,19.3,23.5,23.3,19,15.1,12.3,7.9
1973,7.6,8,8.7,11.8,16.9,20.8,24.1,25,21.5,15.4,12.1,7.4
1974,8.6,6.9,10.8,10.9,17.1,21,24.4,24.5,21.5,14.2,11.4,8.5
1975,8.6,9.1,9.8,12.1,15,20,24.9,25.3,20.4,16.4,11,7.4
1976,7.1,9,10.5,11.3,16.3,21.9,25,24.5,20.1,14.7,9.4,8.7
1977,8.2,10.5,11.6,13.1,15.3,19.3,22.7,22.3,20.5,16.5,13,9.5
1978,7.8,10.5,11.6,12.6,15.8,19.9,22.3,24.4,21.9,16.1,11.5,10.3
1979,10,10.1,11.1,12.7,16.5,21.6,25.1,24.5,19.7,16.1,11.1,9.2
1980,7.9,9.6,11.4,12.1,16.3,20.9,23.2,25.2,22.9,16.3,11.2,7.7
1981,7.5,8.1,12.6,13,16.6,21.7,23.7,23.6,21.6,17.1,13.3,10.5
1982,9.5,9.6,11.1,12.8,16.5,23.1,25.4,24.2,21.6,15.9,11.6,8.7
1983,7.8,7.4,11.4,13.8,16.7,21.5,24.6,23.8,22.9,17.7,13.6,9.1
1984,8.5,8.5,9.3,14,14.8,20.1,24.7,24.1,21.3,15.4,12.4,8.9
1985,6.5,10.7,10.6,14.3,15.7,21.9,26,24.4,22.8,18,11.9,8.8
1986,8.7,9.2,10.8,12.1,18.4,21.3,25,24.9,22.4,17.7,12.2,8.8
1987,7.8,9.5,12,14.6,17.2,21.6,25.3,25.5,23.3,17.3,12,10
1988,10,9.4,12.2,14.1,17.4,21.2,25.2,25.9,21.7,17.4,12.6,8.3
1989,7.8,9.8,11.9,13.3,17.6,22.4,26.6,26.5,21.3,17.5,13.3,11.1
1990,8.4,11.4,12,13,17.9,22.3,26.3,26.7,24,17,12,7.9
1991,8.1,8.3,11.9,12.8,15.6,21.7,26,26.4,22.8,15.3,11.6,8.9
1992,6.9,8.3,11,13.9,18.3,19.4,25.1,26.2,21.8,15.8,12.8,9.3
1993,7.3,8.3,10.6,13.4,17.3,22.3,24.9,25.5,20.3,14.8,11,9.2
1994,8.1,9.4,12.1,13.5,18.4,22.8,26.8,27.5,20,16.9,13.2,9.4
1995,9.5,11.1,11.6,13.7,18.4,21.5,25.5,25.8,20.3,18.1,13.8,10.6
1996,10.3,9.3,11.1,14.2,17.3,23,25.4,25,20.2,15.6,12.3,9.1
1997,8.7,11,12.5,15,17.4,22.3,24.5,25.7,22.7,19.1,13.1,9.6
1998,9.4,10.4,12.6,14.6,17.3,22.6,26.6,26.5,22.7,16.4,12.5,8.3
1999,8.5,8.9,11.5,14.9,18.9,22.7,26,26,22.4,17.3,10.8,9.1
2000,7,11.4,12.1,14.2,18.8,23.3,25.7,25.4,22,16.3,11.8,10.1
2001,10.2,10.3,13.7,15.1,17.8,23.4,25.4,26.4,22.1,18.8,10.9,7.8
2002,8.9,10.7,12.4,13.9,17.3,22.8,25.3,24.3,21.8,17.5,13.1,10.9
2003,8.7,8.6,11.8,14.1,18.3,25.6,26.7,27.4,22.4,17.2,12.9,9.5
2004,10.3,9.4,10.8,13.4,16.7,23.5,26.1,26.6,22.8,18.3,11.8,9.4
2005,7.1,7.1,10.6,13.8,18.3,23.3,26,24.7,21.1,17.4,11.3,8.4
2006,7.7,8.6,12.8,15,18.6,21.9,26.5,24.7,21.8,18.3,13.6,9.1
2007,8.4,11.5,12,14,18.6,22.4,25.4,25.4,21.7,16.8,11.3,9.2
2008,9.6,10.5,12.4,15,17,21.7,25.7,25.9,21.8,16.7,10.8,7.8
2009,8.1,8.8,11.3,13.5,18.4,23,26,26.3,21.6,18.2,14.3,9.4
