1901,6.4,5.8,9.2,14.9,18.8,24.6,27.3,27.5,21,14.7,8.8,5.4
1902,6.7,7.8,12.4,14.3,16.5,20.4,26.7,25.6,21.4,15.1,11.2,6.6
1903,6.9,10.7,12.4,14.6,16.5,20.6,25.6,26.5,21.6,16.7,11.7,5.1
1904,6.4,8.2,9.5,15.7,20.5,23.1,27.6,26.6,21,17.9,10.3,8.1
1905,6,8.4,11.9,15.3,17.6,21.1,27.3,25,20.3,15.2,8.7,6.7
1906,7.8,7.2,11.1,12.6,17.9,23.8,26.7,29,23.1,16.7,10.4,6.2
1907,5.9,7.3,13.4,13.3,16.7,22.8,25.1,27.5,23.6,13.5,10.6,8.1
1908,7.1,9.1,9.1,12.4,20.6,21.4,26.3,26.1,22.7,18,11.8,7.3
1909,5.6,7.1,9,16.8,19.3,18.8,25.9,26.5,20.2,16.9,9.4,7.4
1910,6.6,9.3,10.5,12.8,15.5,21.2,24.4,25.1,21.6,16,10,7.7
1911,4.3,9.6,9.7,12.7,17.1,20.6,28.7,27.7,25,14.6,10.5,8.2
1912,6.5,10.6,12,14.7,19.9,21.2,23.2,23.7,20.8,15.2,10.3,7
1913,7.8,9,11.8,12.8,17.8,23.8,26.2,25.2,20.3,15.6,11.5,5.8
1914,4.3,9.7,11,15.4,17.8,20.4,24.5,26.3,23.9,16.7,9.8,6.9
1915,5.7,7.5,10.9,13,18.1,20.1,25.9,26.7,22.2,15.2,9.6,8.4
1916,7.9,7.8,8.5,13.7,17.8,20.8,25,26.6,21.8,17.4,10.8,7.3
1917,4.5,6.7,8.8,12,18.5,22.5,27,24.2,23.7,14.8,11.2,6.6
1918,7.1,9.8,10.1,11.8,18.4,23.6,26.2,27.4,21.4,14,10.1,7.9
1919,6.3,8.9,9.6,12.9,19.2,24.5,24.6,28.4,22.5,14,8.5,6.4
1920,6.7,10.2,11.9,14.1,18.7,21.4,24.3,24.5,22.2,14.9,10.4,6.2
1921,8.4,9.2,11.9,14.5,18.1,24.3,28.2,26.1,24.2,19.5,11.1,7.6
1922,8.2,10.2,10.7,12.5,22.3,22.4,25.8,26.2,21,16.5,11.5,7.6
1923,6.3,10.3,12.7,12.8,17.9,21.7,27.2,28.3,22.2,18.5,9.9,6.2
1924,8.1,7.1,11.8,15,19.7,23.9,26.5,25.9,22.2,17.8,11.5,7.8
1925,8.6,9.2,10.4,13.3,16.8,23.3,24.1,26.4,22.7,18.9,9.9,8
1926,9.5,13.8,13.8,15.4,17.8,22.5,27.6,30,27.6,19.6,11.6,6.2
1927,7.6,9.4,12.1,17.1,20.4,23.5,24.7,24.8,21.5,19.3,10.9,7.9
1928,8.3,12.2,12.1,13.5,17,23.9,29.6,27.3,23.9,17.4,12.1,6
1929,6.2,10,13.8,16.1,17.9,23.8,28,27,24.4,17.2,12,10
1930,8.9,7.5,13.2,13.4,18.5,23,24.6,27.7,24,19.3,13.3,9.9
1931,7.7,9.2,13.4,15.4,18.7,25.6,26.2,25.6,21.2,18.4,12.4,6.7
1932,8,7.3,12.7,13.6,18.6,21.9,24.7,28.2,23.4,16.1,12.7,9.2
1933,6.6,9.6,13.2,17.9,21,21.5,29,30.5,23.6,17.3,10.5,4.8
1934,6.9,9.2,10.4,14.3,20.4,25.1,28.7,25.5,25.3,18.9,9,10.5
1935,5.9,9.8,12.9,15.4,15.3,22.6,27.5,26.3,24.5,16,10.3,8.3
1936,10.3,10.6,11.4,13.6,16,20.8,24.9,28,23.2,16,10.6,6.8
1937,8.3,11.2,10.6,15.3,19.7,22.9,28.1,28.1,22.6,17.7,12.2,6.4
1938,7.9,9.1,15,15.7,16.8,24.7,26.2,25.7,21.4,17.8,13.5,6.9
1939,8.6,9.8,11.1,14.2,17.3,21.4,26,26,23.2,15.1,11.6,6.5
1940,6.6,11.5,15.1,15.6,18.5,22.7,26.4,27.4,23.6,16.3,11.6,6.2
1941,6.1,10,12.6,13.6,14.5,23,26.3,25.9,24.5,19.1,11.1,6.7
1942,7.5,7.5,13.2,15.3,19,24.2,26.5,26.5,23.3,18.8,11,8
1943,5.5,10,12.7,18.4,21.5,26.4,26.6,28.3,22.4,17.1,11,8
1944,7,7.8,12.7,16.5,19.8,23.1,26.4,27.3,22.8,14.8,12.5,7.2
1945,4.5,12.3,15.6,19.4,20.4,25.4,27.8,25.4,25.7,19.7,12.4,8.8
1946,5.9,10.3,11.6,13.8,15,22.4,27.5,26.2,23.8,18.6,12.2,6.3
1947,6.4,7.9,13,18.3,19.5,26.1,29.3,27.9,23.6,18.7,15.1,6.9
1948,9.5,10.8,16.9,15.3,17.8,24.4,27.2,26.8,25.1,18.7,14.6,9.2
1949,8.7,11.8,12.3,18.6,17.8,23.9,28.3,29.3,22.7,18.4,12,7.8
1950,8.2,10.7,14,16.1,18.1,24.2,28.1,26.4,23.4,18,12.8,5.8
1951,7.7,8.6,12.2,15.3,15.1,22.8,27,25.2,24.3,16.2,11.7,9.3
1952,6.1,9.5,14.9,15.3,19.2,24.6,25.8,25.4,19.9,17.9,12.2,7.8
1953,6.6,8.2,13.6,15.2,21.7,21.6,26.2,28.8,23.2,16.5,12.7,10.9
1954,5.9,8.1,11.8,13.8,18.6,21.9,26.4,25.1,23.5,19.4,13,8
1955,9.9,8.8,10.8,18,20.7,23.2,27,28.3,23.2,17.7,11.8,9.5
1956,8.6,6,12.2,13.1,18.7,21.6,25.1,24.7,22.5,16.9,10.2,5.9
1957,4.8,11.4,15.8,14,17,22.3,26.5,27,23.5,17.9,10.1,6.3
1958,8.5,11.2,11.8,14.1,19.9,21.2,25.5,25.9,25.6,16.7,11.6,8.6
1959,8.6,9.9,12.3,14.4,17.5,22.7,27.8,25.9,22.1,17.1,11.3,9
1960,7.6,9.4,12.7,15.4,20,24.7,25,24.9,22.6,14.3,12.2,6.4
1961,6.9,13.9,15.9,16.4,19.9,23.3,25.7,26.7,24.8,16.4,11.3,8.5
1962,8.6,9.7,10.7,14.2,18.8,24.1,26.6,28.6,24.6,18.9,9.5,6.6
1963,6.8,6.3,11.8,14.2,18.2,21.9,27.1,25,21.6,19.9,12.4,6.4
1964,6.4,10,10.8,14.7,22.7,22.7,27.5,27,25.6,15.8,12,6.2
1965,7.4,6.9,12.3,14.7,21,24.3,25.3,26.7,20.7,17.5,11,8.9
1966,9.6,12,12.1,14.7,19.9,22,25.5,26.6,26,15.7,9.5,7.5
1967,7.3,10.7,14.2,14,16.6,21.7,28.5,26.1,22.6,19.6,12.1,7
1968,8.9,9.8,11.6,15,17.6,24.4,26.9,25.9,22.5,21.7,13.1,8.3
1969,8.6,7.7,11,14.3,17.7,21.4,28.2,26.5,20,18.5,11.4,7.4
1970,9.6,9.8,10.5,15.2,18.9,23.6,27.5,26,26.1,17.9,14.8,4.4
1971,6.7,10.4,9.4,15.2,16.4,20.2,26.6,25.1,23.9,20.2,10.6,8.3
1972,6.4,9.7,11.9,14.4,17.2,21.9,26.5,24.8,20.1,16.4,12.9,8.4
1973,6.7,9.4,12.4,15.1,19.1,22.5,25.6,28.5,23.6,16.9,12.6,7.2
1974,9.8,9.7,11.9,14.4,18.8,23.2,26.8,26.6,22.2,14.3,12.7,7.6
1975,10.1,11,9.7,14.9,16.5,22.9,28.2,27.3,21.9,18.6,11.8,5.1
1976,7.1,10.2,13.5,14,20.9,26.5,27,26.8,21.7,15.4,10.9,8.5
1977,7.5,11.2,13.7,15.3,16.5,19.6,23.1,24.2,24.8,18.5,11.5,10.3
1978,7,10.9,13.1,13.2,16.3,20.1,26.6,28.1,25.7,17.9,12,10.5
1979,8.8,10.2,10.8,13.1,18.6,23.8,27.3,26.6,24,16.8,12,9.4
1980,7.8,11.5,11.8,14,16.1,21.6,25.8,27.3,25.9,17.6,11.9,7.3
1981,7.7,9.3,14.9,14.4,17.4,24.9,26.6,28,24.5,18.4,14.5,9.8
1982,10.4,11,12.6,17.5,20.3,24.4,28.2,27.4,24,16.8,11.6,8.8
1983,8.3,8.4,14.4,14.7,15.2,24,27.9,25.4,26,19.9,14.8,9.3
1984,8.7,9.8,10.5,18.1,14.2,22.2,27.8,25.9,22.9,18.4,12.6,9.2
1985,6.2,11.8,12.1,15.7,16.9,23.1,28.1,27.1,27.6,20.5,10.8,8.6
1986,8.5,8.3,12.7,11.1,20.4,24.8,28.1,26.4,23.1,19,12.5,12.1
1987,7.2,10.1,12.3,16.4,18.5,23.3,26.4,28.9,27,16.8,12.7,9.5
1988,10.2,10.3,13.5,14.6,17,20.8,25.5,27.7,24.8,19.5,13.5,7.7
1989,8.2,12.1,16,12.8,21.9,24.6,29.1,28.1,23.5,20.3,14.1,11.6
1990,8.2,14.2,15.2,13.5,20.9,24.5,29.1,29.3,26.2,17.9,11.3,7.3
1991,8,9.5,12.9,14.4,18.1,24.3,28.2,30.1,25.6,15.6,12.4,8.8
1992,6.7,11.4,14.2,16.3,22.2,20,28.7,28.4,23.6,14.9,13.7,9.1
1993,7.1,10.4,13.2,14.8,18.5,23.4,26.7,28.5,20.5,14.1,11,10
1994,8.5,11,16.1,14.6,20.7,24.3,29.6,28.9,21.2,18.5,14.4,10
1995,10.1,12.6,14.3,17.7,21.2,24.8,28.7,28.1,20.9,21.7,14.3,9.5
1996,10.5,9.2,13.1,16.3,18,25.4,28.3,26.1,22.1,18.4,13.1,8.9
1997,8.2,14.1,17.4,18.5,19.8,21.6,25.7,28.6,25.9,20.5,12.9,9.4
1998,10.7,13.3,16.4,13.8,19,24.3,27.8,29.3,23.9,17.8,12.8,8
1999,8.8,10.8,13.5,16.5,21,24.7,29,27.8,23.9,17.7,10.9,9.4
2000,6.7,14,14.6,13.7,20.3,25.9,26.7,27.7,25.1,18,11.7,10.9
2001,9.8,11.2,14.9,16,20.2,26.5,26.7,28.9,23.4,20.1,11.5,6
2002,10.2,12.4,14.5,16.6,18.9,26,27.3,26.4,23.2,18.2,13.2,10.8
2003,8.6,8.7,15.5,16.6,20.6,27.8,27.9,30,25.4,16.2,13.4,8.8
2004,9.9,10.5,12,14.9,18.6,27.3,28,27.7,25.4,18.8,11.2,8.2
2005,7.7,8.4,14,17,21.6,28.6,28.7,28.8,24.6,19.1,11.6,8.1
2006,6.9,9,13.9,16.9,22.3,27.1,30.6,26.8,25.9,20,14.7,8.4
2007,8.5,12.2,12.7,17.4,19.7,23,27.3,26.8,24,17.9,12.2,7.4
2008,10.1,12.7,13.2,16.8,19.1,23.9,27.3,27.9,22.6,17.4,11.3,7.2
2009,7.4,10.8,14.9,15.5,21.8,26.2,27.8,29.7,24.9,20.6,14.3,8.6
