1901,6.4,6.5,11.6,16.9,20.6,23,26.1,25.9,21.7,17,12,7.3
1902,6.6,7,12.6,16.9,21,22.5,25.9,25.9,21.7,16.7,12.3,7.6
1903,5.3,6.7,12,17.1,20,23,26,25.6,21.4,17.1,11.7,7.1
1904,5.7,7.6,11.3,16.5,20,22.7,25.7,25.7,21.6,17,11.7,6.7
1905,6.5,6.1,9.4,14.5,19.7,24,26,24.6,21.5,16.7,12.3,7.5
1906,5.5,5.2,10.9,16,19.9,22.4,26.3,24.5,21.7,16.8,11,7.9
1907,7,5.7,10.1,15.9,20.3,22.1,24.3,26.3,21.1,17.3,11.9,8.1
1908,6,6.6,11.5,15.9,20.3,23.1,25.4,26.5,21.6,16.8,11.9,8.2
1909,4.9,7.4,11.4,17.1,19.8,21.5,25.5,25.8,23,17.2,13.5,7.3
1910,5.2,6.5,10.8,15.3,19.8,22,25.5,25.8,21.4,17,12,6.4
1911,5.7,6.1,11,16.7,19.4,21.8,25.4,25.3,22.3,16.7,11.9,6.5
1912,5.7,8.2,10.3,16.6,20.7,23.3,25.4,25.2,21.1,16.5,10.9,6.5
1913,6,7.3,10.5,15.1,19.3,22.5,24.9,26.3,21.9,17.7,11.4,6.5
1914,7.9,7.8,12.3,15.7,19.5,23.5,27.1,25,20.9,16.7,11.8,7.9
1915,6.1,7.1,11.9,15.7,20.5,22.2,24.8,24.8,20.8,17.9,13,9.3
1916,5.5,7.1,11.5,16.6,20.8,23.3,25.6,26.1,22.2,16.5,12.4,6.9
1917,4.5,6.6,11.1,16.1,20.2,23.2,26.3,26.2,22.2,17.1,12.6,6.3
1918,5.2,6.9,11.5,15.7,19.9,22.4,25.8,25.6,22.3,17.5,11.5,6.8
1919,5.7,7.7,13.1,17.8,21.4,23.4,25.6,27.2,21.3,17,12.4,7.4
1920,7,5.1,11.3,16.2,20.1,23.1,27,26.1,22.4,16.8,13.2,7.3
1921,5.3,6.8,10.8,18,20.6,23.8,26,26.3,20.1,16.2,11.6,7.7
1922,4.2,9.1,11.2,16.5,22,21.5,27.8,26.9,21.6,17.1,11.9,7
1923,6.5,6.8,14.5,17.4,21.3,23.2,26.6,27,22.4,17.4,13.2,8.4
1924,7.3,7.3,11,18,21.4,23.9,27.1,27.5,22.7,16.8,12.2,8.5
1925,3.9,5.6,12.4,15.4,21.1,24,27.2,26.5,22.4,17.4,13.3,8.3
1926,7.7,7.7,12.4,17,22.1,23.1,26.2,28.1,23.2,18.2,12.2,7.2
1927,6.7,5.6,11.8,16.8,21,24.9,28,26.9,23.6,19,12.2,9.2
1928,6.6,9.1,14.5,18.9,22.1,23,28.3,26.4,22.8,17.1,12.3,6.3
1929,5,6.7,12.6,17.3,21.5,24.6,27,27.9,21.9,16.1,11.5,6.7
1930,3.4,8.4,10.8,17.2,21.6,23.3,28.8,27,22,16.5,12.5,8.5
1931,6.3,6.1,12.6,18.2,22,23.9,25.6,27.7,21.5,16.9,12.6,8.1
1932,6.8,5.2,12.4,18.2,23.4,24.5,27.5,26.9,21,15.4,12.5,7.1
1933,2.3,7.6,12.2,17.8,21.1,24.1,27.2,28.1,22.8,15.7,12.6,10.2
1934,3.1,8.4,12.1,16.4,22.5,23.4,27.2,27.2,23.3,15.8,9.5,9.2
1935,5.6,8.1,14,16,20.4,23.3,27.3,27.7,21.6,18.5,12.7,7.4
1936,3.5,7.9,8.4,17.6,20.2,24.4,26.9,25.9,22.4,17,12.8,6.5
1937,5.7,8.2,13.5,17.7,21.3,23.4,26.7,26.8,22.3,17.8,10.4,7.8
1938,4.6,6.9,11,17.6,22.2,23.1,26.4,26.9,21.9,18.6,12.5,8.6
1939,6.7,7.8,12.1,15.1,21.9,23.4,26.4,27.2,22.4,18.1,11.9,8.1
1940,7.4,8,10.7,16.5,20.1,24,26.9,26.2,22.2,18.1,12.2,10.1
1941,8.1,9,13.4,18.6,21.6,24.8,27.7,26.7,21.9,18.6,11.9,9
1942,7.5,6.4,14.4,17.7,21.6,23.9,27.4,27,22.7,18,13.7,7.7
1943,5.2,7.5,13.3,16.9,22.3,23.7,27.3,27,22.4,17,12.5,8.7
1944,5.4,5.5,13.3,17,20.8,23.4,27.6,26.6,22.5,15.5,12.4,3.9
1945,5,4.6,12.2,17.9,21.6,25.3,27.6,26.2,24,16.9,14.9,8.3
1946,8.2,11.3,11.5,20.2,21.8,24.2,27.1,27.6,23.6,17.7,12.9,6.9
1947,7,6.9,13.6,17.4,22.5,23.3,27.1,27.1,23.6,15.2,13.3,7.2
1948,7,8.5,12.1,19.2,19.1,23.7,26.4,27,23.6,16.8,10.3,9.1
1949,6.5,8.6,12.3,16.3,22.4,23.1,27.2,26.3,23.4,17.3,11.3,7.2
1950,8,5.3,11.9,16.4,20.4,22,26.3,25.2,19.9,16.4,11.3,5.6
1951,5.3,7.1,9.5,14.1,21.8,23.8,26.1,26.9,22.3,18.5,11.6,8.9
1952,6.6,7.6,12.3,18.5,21.3,24.4,27.1,23.5,21.9,15.4,13.5,6.2
1953,5.8,7.8,12.1,15.2,20.4,24.1,26.4,28.2,21.1,16.6,12,8.3
1954,6.7,8.6,10.1,16.6,20.3,23.7,25.8,25.5,22.1,15.7,14,4.6
1955,3.7,8.5,11.9,15.9,19.9,22.2,25.8,25.8,23.3,16.8,11.4,9.6
1956,3.7,7.8,11.9,18.7,19.3,24.9,25.6,24.5,21.5,16.3,10.6,6.8
1957,6.4,4.3,12,17,19,22.5,25.9,25.1,20.1,15.3,13.6,8.6
1958,4.9,6.6,14.6,19.1,19.8,23.2,26.5,24.9,22,15.4,11.8,8.6
1959,5,6.6,12.3,18.1,18.3,22.5,27.9,27.5,22.3,17.8,12,7.3
1960,6.3,9,13.9,15.6,19.6,23,26,26.1,23.2,15.7,11.6,7.4
1961,5.3,6.1,10.9,17,20,24.1,27,26.9,22.5,17,11.9,7.9
1962,4,8.8,11.9,16,19.3,23.2,27,25.2,22.8,16.6,11,7.4
1963,5.6,6.6,12.9,18,22.1,22.8,25.6,26.6,24.2,16.2,13,8.3
1964,5.4,3.7,12,19.5,20.7,21.5,27.5,26.1,22,16.9,11.5,6.6
1965,7.2,8.1,11.1,17.2,20.4,21.2,26.2,24.6,20.4,17.7,12.7,6.5
1966,6.9,9.3,13.9,17.3,19.8,23.1,26.3,26.4,21.4,16.9,11,6.5
1967,4.8,5.3,11.7,16,21.7,23,26.2,27.8,22,16,11.1,6.1
1968,5.9,3.5,11,14.9,19.6,22.2,25.7,25,21.5,16.6,13.2,9.7
1969,5.4,6.5,13.1,18.3,23.1,22.3,26.5,25.9,22.7,18.4,10.3,7
1970,4.8,8.4,8.5,15.7,21.2,22,26,27.4,21.8,16.2,11.7,8.3
1971,5.4,7.1,13,16.9,19.9,23.3,27.6,26.6,20.8,15.9,12.2,8.2
1972,6.6,4.9,14,14.8,20.8,23.9,26.9,27.7,19.7,16.5,12.4,7.5
1973,5.5,10.2,13.5,18.2,20.5,22.9,26,26.9,21.8,16.9,12.4,8.3
1974,5.3,5.8,10.4,17.9,20.9,22.7,26.1,23.6,21.4,16.3,12.9,6.1
1975,6.1,7.5,13,16.7,19.2,23,26.6,26.9,25,17.6,9.9,4.9
1976,5.3,8.6,9.4,15.9,19.6,22.3,24.6,27.6,20.9,17.1,9.3,6.5
1977,2.8,5,11.8,16.7,19.8,22.6,26.5,25.5,22.9,17.7,11.5,9.1
1978,5.7,7.4,12.3,17.2,20.4,23.3,27.2,27.3,22.6,17.6,11.2,8.4
1979,6.3,10,11.7,17.4,18.4,23.1,26.5,26,20.2,17.9,11.5,9
1980,5.9,5.1,11.4,16.7,20.9,23.5,25.3,23.3,20.1,16.9,14.2,7.9
1981,6.2,8.3,13.5,17.1,19.4,23.8,26.9,27.1,21.9,14.5,11,6.4
1982,7.1,6.5,12.2,14.4,21.5,21.6,25.1,26.4,20.7,18.2,12.2,5.9
1983,4.9,6.9,9.9,16.8,21.5,23.1,25.7,25.4,22.5,17.6,13.4,7.7
1984,3.5,5.3,11.7,17.2,20,24.4,26.1,25.6,21.5,16.4,13.5,5.9
1985,5.6,7.4,8.5,16.5,22.3,22.3,25.7,27.4,21.4,17.4,11.9,6.8
1986,6.8,6.3,11.7,16.1,21,23.7,25.6,25.2,20.9,16.2,10.7,8.5
1987,8.4,10.3,13.7,16.6,21.4,23,24.9,25.7,21.4,17.8,12.4,7.5
1988,6.6,6.3,9,16.2,21.4,24.1,26.9,25.4,20.3,16.2,12.5,8.9
1989,5.2,5.7,11,16.4,20.1,22.7,25.7,25.7,22.1,17,11.5,7.5
1990,6.1,6.6,12.2,16.1,19.8,23.1,26.2,26.6,22.8,16.5,13.7,8
1991,6,8.3,10.5,16.1,20.3,24,25.9,25.4,21.9,16.1,11.7,7.5
1992,6,7.6,9.9,17.8,20.2,22.8,25.2,26.3,22.4,15.8,11.7,8.5
1993,4.8,8.8,12,17.5,19.8,23.9,25.3,24.7,22,15.9,11.7,6.9
1994,6.5,8.1,10.4,18.1,22.5,22.9,26.2,27.2,20.9,15.7,13.5,8.6
1995,5.7,7.3,11.8,16.7,21.3,23.8,26.3,26.4,22.7,17.5,12,7.5
1996,5.2,6.5,10.9,15.6,19.7,23.7,25.9,26.5,22.1,17.4,12,8.2
1997,6.7,7.1,13.2,16.4,21.6,22.4,25.7,27.3,21.6,17.1,12.2,7.9
1998,5.9,8.6,11.7,19,21.5,23.4,26.7,26.3,22.5,18.3,14.1,8.6
1999,7.4,10.1,12.1,18.3,20.2,23.2,25.3,25.3,23,17.8,12.8,7.9
2000,5.6,6.7,12.6,16.9,21.6,23.2,26.7,25.5,21.5,17.2,10.8,8.2
2001,6.8,8.9,14.4,17.6,20.9,22.9,27.6,25.3,22.3,18.2,13,6.9
2002,7.4,10.2,13.8,17.8,19.3,24.5,26.3,25.1,21.1,17.7,13.1,7.6
2003,6.3,9.5,11.2,16.8,19.9,23.2,25.9,26,21.6,15.7,12.4,7.9
2004,7.9,8.1,13.2,17.6,19.6,22.6,25,25.7,21.3,15.1,11.8,8
2005,4.5,5.4,10,17.7,21.2,23.7,26.5,23.4,23.4,15.6,12.2,6.2
2006,5.3,6.3,10.7,17,20.3,22.7,27.7,28.4,22.2,18.1,12.1,7
2007,5,10.4,12.4,15.5,21.8,22.1,24.6,26.4,21.1,16.7,11.9,7.8
2008,3.6,4,12.6,16.2,20.9,23,26,23.7,22.9,17.3,11.6,7.2
2009,5.1,10.4,12.1,15.8,19.6,22.8,25.9,25.6,24,17.1,10.3,7.3
