1901,7.8,4.1,8,14.1,16.7,22.5,24.1,23.6,20.1,15.2,9.3,7.7
1902,8.8,8,11.9,15,14.2,19.2,23.8,23.8,20.5,14.9,11.1,9
1903,8.3,9.2,11.6,11.4,17,19.2,22.9,23.5,21.1,16.3,11.3,8.1
1904,8.2,8.5,10.4,14.9,18.4,22.3,26,24.6,19.1,16.3,10.4,9.3
1905,6.3,7.2,11.1,14.3,15.1,20.6,26,23.6,20.8,14,10.7,8.5
1906,8.2,6.3,9.6,12.6,16.1,21.6,23.8,24.4,20.7,17.4,12.4,6.8
1907,6.5,5.8,10.6,12.2,16.4,20,22,24,22,16.1,12.8,11
1908,8.5,7.4,9.7,11.8,19.3,21.4,23.5,22.7,19.6,17.2,11.6,8.9
1909,7.5,5.6,8.5,14.9,17.1,18.7,22.3,22.7,19.6,17.6,10.1,10.1
1910,8.5,8.3,10.7,12.2,14.9,21,22.3,23,18.8,16.5,10,9.9
1911,7,8.6,10.5,12.7,17.2,20.4,25.1,26.7,22.5,16,13.5,11.2
1912,8.9,10.9,13,12.6,17.3,20.3,22.9,20.5,17.3,14.8,8.5,9.7
1913,9.7,8.7,11.3,11.7,16.6,21.1,21.6,23.2,20.3,17,12.7,8.5
1914,5.5,9.6,10.6,14.2,15.9,19.4,21.6,22.9,19.9,14.8,10.8,9.8
1915,7,7.1,10.2,12.6,18,21.8,23.2,22.2,19.6,14,9.9,10.7
1916,9.5,8.5,10,14,18.4,19.4,23.8,23.2,19.5,15.5,12.2,9.5
1917,6,7.5,8.8,11.6,18.2,21.4,23.5,23.6,21.3,14.6,9.1,7.2
1918,8.2,7.6,10.7,11.8,17.8,18.8,24.1,22.9,21.6,14.1,12,10.2
1919,8.1,7.9,10.4,12.8,17.5,20.8,21.6,24.3,21.8,13.6,9.1,9.6
1920,10.2,10.9,12.6,14.1,19.9,20.9,24,22.2,20.8,15.1,11.3,8.8
1921,9.8,8.3,10.9,12.4,17.9,20.3,24.4,23.3,22.8,19.5,11.1,8
1922,7.4,8.6,11.4,12.2,18.5,21.7,22.1,24.8,18.8,15.4,9.1,7.9
1923,6.8,9.7,11.3,13.4,16.9,17.7,26.2,25.9,20.5,17.8,12.1,7.8
1924,8,5.9,10.5,14.1,19.5,21.2,25.5,21.5,21.3,16.3,12.7,10.3
1925,10.2,9.2,7.7,13,16.5,21.9,23.4,23.8,19.6,17.4,10.4,8.3
1926,7.6,11.7,11.6,14.7,15.5,19.8,23.8,24.2,23.2,18.2,14,7.2
1927,8,7.9,10.9,13.6,18.3,21,24.6,24.5,20.9,16.6,12.6,9.5
1928,8.9,9.8,10,13.3,15.2,20.2,25.9,25.2,21.2,16.3,11.7,7.7
1929,4.5,3.6,10.1,12,16.8,21,25.3,24.1,23.2,16.4,11.1,9.6
1930,9.7,7,11.2,12.9,15.4,22.4,23.2,23.5,21.8,16.5,13.3,8.6
1931,7.2,6.5,10.1,12.9,17.9,22.5,23.9,22.9,17.3,15.7,11.7,6.8
1932,9.3,4.2,8.7,11,15.7,19.2,21.3,25.6,22.8,15.5,12.4,10.8
1933,5.9,6.9,11.1,13.5,17.1,18.8,24.7,25.2,22.2,16.8,9.6,5
1934,7,7.3,9.8,12.9,17.9,21.2,25.1,22.8,21.2,16,10.5,11
1935,5.4,8.6,10.4,13.1,14.5,21.3,25,22.5,21.9,15.2,12.1,7.7
1936,10.2,8.6,11.1,12.1,16.6,20.2,23.5,24.2,21,13,11.7,9.4
1937,9,9.8,9.2,13.7,18.1,22.1,25.4,25,20.4,16.3,11.7,7.1
1938,6.9,7.5,11.2,12.2,14.4,21.2,24,24,19.9,16.1,13.4,7.4
1939,8.2,9,8.4,13.3,14.4,20.5,23.4,23.3,20,15.2,12.7,7.5
1940,4.4,7.8,10.7,12.9,16.9,20,22.6,23.2,20.5,14.7,11.7,4.7
1941,5,7.4,11.2,11.9,14.3,20.6,24.8,22.4,20,15,10.4,6.8
1942,3.4,4.3,11.7,13.8,17.8,22.6,24.5,24.9,22.8,18.8,10.3,9.1
1943,8.2,9.7,12.3,15.9,18.5,21.8,24.3,25.6,21.9,17.3,9.8,9.2
1944,7,7,9.2,14.5,19,20.8,24.5,26.8,20.4,14.4,10.8,7.3
1945,3.8,8.5,12.7,16.3,19.6,23.2,27.2,24.5,22.1,17,10.6,8.8
1946,6.7,9.5,9.6,15.4,16.2,20.1,24.7,24.6,22.4,16.3,11.1,6.1
1947,4.7,6.5,10.7,14.3,18.6,22.6,26,25.9,22.4,16.6,12.3,7.2
1948,8.8,8.4,11.2,13.9,17.5,20.8,22.2,23.9,20.8,16.5,11.1,9.8
1949,8.7,6.1,8.8,15.4,16.4,20.7,25.5,25.6,24.2,17.6,10.1,8.9
1950,6.7,9.3,10.8,11.4,17.5,23,26.9,24.6,20.3,16.1,11.5,5.7
1951,7.5,7.8,8.6,12.7,14.5,20.4,23.4,22.7,21.5,13.8,11.4,8.1
1952,5.8,6.7,10.6,13.8,16.6,22.9,26.1,23.8,18.8,14.9,9.5,7.2
1953,4.8,5.9,10.8,13.3,18.8,18.7,23.5,23.5,20.6,15.7,11.3,10.5
1954,5.1,5.8,10.1,11.7,15.6,20.8,22.2,21.6,20.7,15.5,12,10
1955,9,7.7,8.8,14.7,16.8,20.1,23.9,23.5,20.6,15.1,10.5,9.6
1956,7.9,2.6,8.8,10.8,17.4,19.1,22.5,23.2,20.8,14.7,8.9,8.1
1957,6.9,9.4,11.3,12.5,14.6,19.6,23.7,22.5,20,16.3,11,8.3
1958,7.4,9.2,8.3,10.8,17.7,19.5,22.6,23.3,21.5,15.8,10.9,8.8
1959,7.6,9.5,11,12.6,16.7,21.2,25,23.3,20,15.1,10.2,8.9
1960,6.9,8.2,9.8,13.3,17.5,21.7,22.2,21.7,18.5,13.9,11.1,6.9
1961,6.3,10.5,12.2,14.8,16.2,20.7,23.3,23.7,22.8,16,10.4,8.8
1962,8.9,7,7.5,13,15.5,20.1,23.4,24.3,20.7,16.2,8.9,6
1963,4,4.4,9.4,12.8,17,19.5,24.4,21.5,19.1,16,12.6,7
1964,6.8,8.1,9.2,12.9,17.9,21.7,24.8,23.3,20.8,14.1,11,7.4
1965,7.2,5.4,9.5,13,16.5,20,22.4,22.4,17.8,16.3,10.8,8.8
1966,6.4,9.3,10,13.5,16.9,21.4,21.6,21.7,20.4,16.3,8.6,8.1
1967,6.6,7.7,11.1,13.3,16.6,20,24.9,23.5,19.5,17.4,12.2,6.9
1968,6.4,7.5,10.3,13.4,16.1,19.7,23.6,21.5,19,16.9,10.8,7.5
1969,7.4,5.5,9,12.5,16.3,18.7,23.3,23.1,19.9,17.5,11,5.5
1970,7.8,7.6,7.8,12,15.9,21.3,23.5,23.4,21.5,15.6,12.3,7.1
1971,6.6,8,7.1,13.4,16.5,19.4,24.9,25,20.5,16.8,9.9,8.9
1972,6.9,8.7,10.7,12.2,15.3,18.7,23.2,22,17.6,15.1,12.1,8.7
1973,7.2,7.1,9.8,11.6,17.2,21.4,23.8,25.1,21.7,15.4,10.6,7.7
1974,8.8,8,10.1,11.8,15.9,20.3,23.1,24.3,19.4,12,10.7,9.5
1975,9.1,8.5,8.5,13.2,16.3,19.7,24.8,23.9,20.6,15,10,7.8
1976,7.5,8.2,9.2,11.9,17.8,22.6,24.4,22.5,18.3,14.4,9.9,8
1977,7.4,9.1,11.1,12.6,15.2,19.2,22.2,21.2,19.2,16.7,11.1,8.9
1978,6.9,6.7,10.7,10.9,15,19.7,22.7,22.8,21,16,11.2,9.3
1979,6,7.8,9.9,12,17.5,22.3,24.3,23.2,20,15.7,10.2,9
1980,6.6,9.6,9.8,11.9,14.6,19.2,21.5,24.4,21.4,15.4,9.6,6.3
1981,6.9,6.5,10.7,13.7,16.2,21.8,22.9,24.6,21,15.9,10.6,8.3
1982,8.9,8.1,9.8,13,17.8,22.4,26.1,23.6,22.5,15.3,11.8,8.6
1983,8.2,5.3,10,12.7,15.8,21.5,27.5,24.5,21.8,16.4,12.2,8
1984,7.1,6.1,8.8,12.7,13.1,19.4,23.9,22.4,18.9,15.3,12.3,8.4
1985,3.5,7.8,8.4,13.5,14.9,19.9,25.3,23.9,22.7,17.2,8.1,9.1
1986,6.8,4.8,10,11.1,18.9,21.3,24.6,24.7,21.2,17.5,11.8,8.2
1987,4.9,6.7,7.9,13.3,15.6,20.6,25,24.7,22.8,16.4,10.7,9
1988,8.5,8,9.9,13,17.3,20.4,24.3,24.9,20.5,16.8,10,8.5
1989,7.7,8.9,12.7,12.3,19.3,21.1,26.1,25.2,20.7,16.3,11.1,9.7
1990,7.7,11.7,12.4,12.6,19.3,21.5,24.8,25.3,20.9,16.5,10.3,5.4
1991,7.4,6.3,11.8,12.5,15.3,20.4,25.8,25.9,22.2,14.4,10.5,7.6
1992,7.2,8.1,10.6,13.5,19.1,19.5,24.3,25.9,20.8,13.5,11.5,9.9
1993,8.3,7.7,10.2,13.4,18.1,22.3,23.1,24.8,19.5,14,9.6,9.3
1994,8.1,7.9,12.3,11.8,17.5,21.5,26.5,26.1,19.5,15.4,12.8,9.6
1995,7.2,9.9,9.8,12.5,16.5,20.4,25.8,24,18.5,18,11.3,8.9
1996,9.3,6.7,9.5,13.2,16.8,22.1,23.6,23.4,18.1,15.1,10.8,8.9
1997,7.9,10,13,13.6,17.9,20.4,23.5,25,22.4,17.1,11.9,8.9
1998,8.4,9.9,11.2,12.2,18.3,22,25.2,25,20.1,15.2,8.8,7.7
1999,8.2,7.5,11.1,13.2,18.5,21.8,25.2,24.9,21.9,16.4,10.3,8
2000,7,10,11.6,13.2,19.3,23.1,23.4,25.3,21.6,15.7,10.8,10.1
2001,8.2,9,12.3,13.2,18,22.4,25,26,19.1,18.6,10.7,6.8
2002,7.9,9.3,12.3,14.3,17.1,23.1,23.9,23.5,19.4,16,12.5,9.2
2003,6.9,6.7,12.1,13.8,19.8,24.8,26.8,28,21.1,14.4,12.1,9.2
2004,7.2,7.4,10.1,13.4,16.7,22.6,24.7,24.9,22.2,17.2,11,9.1
2005,6.9,5.9,10.3,13.4,19.2,23.9,25.4,24.3,20.8,16.8,10.7,6.4
2006,7,7.7,10.1,15.1,18.8,22.7,28.4,23.5,21.5,18.5,13.8,10
2007,9.7,10.2,11.4,16.7,18.9,22.2,24.6,24,21.3,16.9,11.4,8.8
2008,9.3,9.4,10.3,13.4,18.2,22.2,25.1,25.5,20.5,16.8,11.2,7.5
2009,6.7,7.6,11.2,14.6,20.5,23.1,25.6,26.9,22.3,16.6,12.9,7.9
