1901,4.5,5.7,15.4,20,24.9,28.8,27.8,25.6,23,18.9,12.4,7.9
1902,7.3,9,16.6,21.5,25,26,28.1,26.2,23.3,18.3,12.7,7.4
1903,4.8,8,11.5,18,24.9,28.3,28,26.7,24.5,19.1,10.8,5.7
1904,4.9,9.8,13.2,21,25.3,27.1,27,26,24.1,18.5,13.3,7.8
1905,3.7,5.7,11.4,18.4,26,27.2,28,26.2,23.8,18.7,13.7,7.9
1906,4.8,5.6,12.2,19,25.8,27.2,27.7,25.8,23.7,18.7,14,8.8
1907,8.5,6.6,13.2,18.9,23.1,26.7,28.5,25.8,22.7,17.4,12.7,6.6
1908,6.3,8.9,13,19.9,24.2,27.6,25.9,25.3,22.4,17.4,11.7,6.5
1909,4.9,7.8,14.1,18.3,23.8,27.8,26.4,24.7,22.5,17.9,13.4,6.4
1910,5.4,9,14,18.4,24.1,27.7,25.5,25.1,22.8,17.8,11.5,6.3
1911,5,9.4,11.8,18.8,24.9,27.3,26.6,25.4,23.8,18.2,10,6.7
1912,7,9.3,13.4,20.4,25.2,28.8,28,25.4,23,18.1,10.6,6.7
1913,7.2,7.4,11.9,20.5,24.5,28.1,26.5,24.6,22.3,18.1,11.4,6.5
1914,7.3,6.4,12.5,19.5,25.8,27.3,26.4,25.6,24.2,17.9,12.9,5.8
1915,5.7,7.2,14.7,18.6,24.8,28.4,28,26.2,24.3,19.2,12.2,6.9
1916,7.3,7,15.9,19.9,24,27.6,27.3,25.2,22.9,17.2,9.1,6.2
1917,6.8,9.9,13.4,18.4,23.3,27.6,27.6,24.8,22.2,16.8,9.4,6
1918,5,8.9,13.5,18,24.5,26.5,27.3,26,22.7,18.2,11.4,6
1919,5.2,8.8,14.3,19.5,24.6,27.3,27.3,25.6,22.5,17.4,10.9,5.9
1920,5.8,7.9,14.9,19,23.5,28,27.7,25.5,23.7,19.1,12.7,5.6
1921,6.2,8.8,16.4,21.6,25.1,27.9,27.6,24.7,23.3,17.5,12.1,7.4
1922,5.6,8.3,15,20.6,24.2,27,28.4,26,23.6,17.4,11.4,7.6
1923,5.4,7.4,14.8,19.8,23.6,27.9,28,25.2,23.2,17.4,10.9,5.6
1924,5,8.6,16.5,20.3,23.6,28.1,28.1,25.3,22.8,17.6,10.8,7
1925,4.4,5.9,15.8,22.2,24.7,27.4,26.9,25.6,23.3,19.3,10.9,6.6
1926,6.1,11.1,13.4,17.6,23.5,28.1,28.6,26.1,23,17.9,9.9,7.9
1927,4.2,6.8,13.1,19.4,24.5,27.6,27.1,24.6,23,18.7,12.5,7.7
1928,6.1,9.2,15.4,20.9,25.4,27.4,28.1,26.3,23.3,19,12.2,6.8
1929,5,7.4,16.3,20.6,24.9,27.3,26.3,23.9,22.4,17.7,11.8,4.9
1930,4.6,8.5,14.4,18.8,24.6,27.8,26.1,24.9,23.7,18,11.4,6.7
1931,7.3,7.1,14.5,21.6,25.1,27.7,27.6,26.7,23.5,18.9,12.8,8.6
1932,8,10.2,15.4,21.4,24.6,27.8,27.1,25.2,24.2,19.4,12.6,7.6
1933,5.7,9.7,14.8,19.7,24.7,28.1,27.4,24.9,23.2,19.1,13.3,8.8
1934,3.7,10.5,14.1,20.8,24.3,27.3,27,26.6,23.8,18.6,12.6,8.9
1935,4.8,9,14.8,18.6,23.9,26.9,26.9,25.3,22.8,18.1,12.4,7.6
1936,5.2,9.8,13.4,19.8,26.2,26.9,26.5,25.9,24.6,18.8,12.2,7.3
1937,5.6,9.3,13.7,19.1,24.7,27.4,26.9,25.7,23.9,18,12.4,5.8
1938,5.1,8,14.8,20.3,25.9,27.1,27,25.8,24.2,19.3,10.7,7.3
1939,6.6,8.8,12.5,18.4,23.6,27.4,26.6,25.8,24.7,18.6,12.8,9
1940,7.7,9.8,13.2,19.2,24.8,27.5,27.7,25.5,23.9,19.5,13.7,7.5
1941,6,10.5,16.2,21.6,25.6,27.4,27,26.7,24,20.5,13,8.3
1942,6,9.1,15.7,21.6,25.1,27.3,26.6,25.2,23.7,18.7,13.2,6.3
1943,5.2,9.6,15.3,19.8,24.5,27.1,27,25.2,23.4,18.8,13.2,9.3
1944,6.3,8.2,14.4,20.3,24.8,27.8,26.8,25.1,23.1,18.7,13.6,6.9
1945,4.7,8.4,14.8,19.1,24.5,27.5,26.3,26.2,23.8,18.4,12.9,6.4
1946,6.2,9.7,14.3,22.8,25.8,28.5,27.8,26,23.3,19.8,10.9,5.3
1947,6.3,9.3,15.4,21.2,25.4,27.9,27.9,27.4,24.1,17.7,14,7.4
1948,5.7,8,14.7,21.4,26.7,27.4,28.2,25.9,23.3,19.5,10.8,8
1949,6.6,8.9,14.6,21.6,26.5,27.2,27.8,25.6,25.1,17.1,10.5,7.5
1950,6.1,6.1,13.7,18.8,25,27.5,27.3,25.6,24.4,18.4,11.2,5.1
1951,5.8,8,13.9,18.4,24.5,27.7,28.4,26.4,24.3,20.7,13,8.4
1952,6.4,9.9,14.6,21.3,25.9,28.2,27.2,25.8,22.9,18.6,12.4,6.9
1953,6,10.5,17,19.6,24.2,27.9,27.3,26.1,23.9,18.5,12.7,10.9
1954,5.5,8.4,14.8,20.7,25.4,28.3,28.5,27.1,25,17.6,13.3,7.5
1955,6.8,9.4,16.6,19,24.5,27.6,27,26,24.6,18.6,11.5,8.4
1956,6.5,8.3,15.1,20.3,24.9,27.3,25.1,25.1,23.8,17.3,10.9,8.2
1957,6.3,8.1,14.4,19.1,23,27.3,28,26.6,23.1,18.3,13.5,8.2
1958,8.4,9.4,15.6,21.8,25.1,27.5,27.7,26.8,25,18.7,12.6,9.2
1959,6.3,9,15.8,20.5,25.3,28,26.6,25.8,23.7,20,12,7.2
1960,6,9.6,13.3,19.1,23.9,27.3,26.6,26.3,24.5,19,11.4,6.6
1961,6.8,7.6,15.6,18.7,24.2,26.5,27.1,26.4,24.1,18.1,11.7,6.6
1962,4.5,9.7,14.3,20.1,24.7,26.7,27.5,25.7,23.9,17,11.3,6.4
1963,5.2,10.6,14.4,20.1,24.7,27.7,27.5,27.4,24.1,19.8,14.5,8
1964,3.8,8.7,16.4,21.7,25.3,26.5,27.6,26.6,23.4,16.8,9.9,5.9
1965,8.7,9.8,14.5,18.2,24,27,27.2,25.2,23,20.2,13.3,6.2
1966,7.4,12,13.6,19.5,24.5,27.3,27.2,25.9,24,19.5,11.1,5.3
1967,3.5,10.3,14.5,19.3,24,26.5,27.4,25.4,24.3,18.3,14.4,6.3
1968,5.6,7.2,14.5,19.8,23.1,28,27.8,26,23,19.2,12.8,7.9
1969,5.9,9,17.2,21.1,24.5,27.8,27.8,25.8,24.5,20,13.5,7.9
1970,7,9.8,14.5,20.7,26.2,28.1,26.7,26.3,24.3,19.4,11.4,7.4
1971,5.7,9,13.7,22.3,24,27.3,26.2,26.1,24.5,18,12.5,7.2
1972,6.5,5.4,14.5,19.4,24,27.5,27.1,26.6,22.9,18,12.8,7.7
1973,5,10.2,14.3,20.9,25.3,28,26.9,26.3,24,18.1,10.6,6.4
1974,5.5,6.6,16.4,21,24.9,27.1,27.9,26.9,24.3,17.3,10.9,7.2
1975,5.4,8.4,13.1,19.8,24.7,27.4,27.2,26.5,24.7,18.6,10.9,7.9
1976,7.3,9.4,14.1,19.6,24.4,27.1,26.8,25.6,23.6,19.2,12.9,7.5
1977,6.2,9.1,14.9,19.8,24.5,27.5,26.5,25.5,23.4,19.5,14.1,8.5
1978,5.1,8.5,13.3,19.9,25.7,27.2,25.2,25.4,23,18.8,13.3,8.2
1979,7,8.7,13.4,20.7,23.3,28.7,27.9,25.5,23.6,18.7,14.4,9.3
1980,6.5,10.3,14.7,22.2,25,28.2,28,25.9,23.8,19.8,12.8,7.9
1981,6.6,8.5,14.2,20,23.8,27,27,25.2,23.8,17.8,11.2,7.9
1982,7,8.7,12.8,19.6,23.8,26.9,27.1,26,22.7,19.2,12.6,7.8
1983,5.6,7.9,12.8,17.6,23.8,27.7,27.8,26,24.6,17.6,10.5,6.6
1984,5.8,6.4,15.8,21.7,25,27.1,26,24.6,22.7,16.7,11.7,8.3
1985,7.4,9.9,16.9,20.6,26.1,27.9,27.2,25.8,23.9,19.6,14,9.1
1986,6.7,9.3,15.3,21.5,26,28.9,27.8,25,23.4,20.3,13.9,6.4
1987,7.6,10.5,16.3,21,24.8,29,28,27.7,25,20,13.3,8.1
1988,8.3,10.9,15.8,22.7,26.9,28.6,27.9,26.5,25.9,19.8,13.7,8.9
1989,5.7,8.2,14.4,19.6,24.3,27.1,26.4,25.5,23.5,18.7,13.5,8.4
1990,8.3,10.3,13.9,20.7,26,27.2,27.2,26.1,24.7,18.5,13.3,8.1
1991,6.4,8.6,15.5,19.8,24.8,28.7,27.1,26.3,23.6,18.2,13.2,9
1992,7.3,9.6,14.6,19.5,25.2,28.4,27.7,25.5,23,19.5,13,9.9
1993,7.8,11.5,14.9,20.6,25.6,27.9,27.8,26.4,26.1,19,13.5,8.5
1994,8.2,9.3,16.7,19.7,26.1,28.4,26.8,25.5,22.8,18.4,14.1,7.9
1995,6.9,10.7,14.3,19.9,25.9,28.3,27,27.1,24.7,20,13.1,9.4
1996,7.2,10.2,17.6,20.9,25,28,27.4,25.8,24.9,19,11.4,6.4
1997,5.9,9.6,15,19.3,23.9,26.4,27.7,26,24.8,16.6,13.7,6.4
1998,7,9.5,15,21.9,25.7,28,27.9,26.9,25.6,17.7,13.3,8.3
1999,6.5,10.1,15.2,20.9,25.3,27.2,27.4,25.3,24.7,20.7,14.7,8.1
2000,6.8,8.5,14.6,22.3,25.7,28.1,27.2,25.8,23.7,19.6,13.3,8
2001,6.2,9.8,15.3,20.2,25,27,25.7,25.5,23.8,19.7,13.9,9.4
2002,7.5,8.7,15.9,21.6,26.1,28.1,27.2,26.3,24,19.7,13.3,8.7
2003,7.8,10.7,15.8,21.9,25.2,27.8,26.3,26.2,23.9,19.3,12.5,8.2
2004,7.7,11.2,17.9,22.6,26,27.9,27.5,26.2,24.4,18.3,13.7,9.4
2005,6.2,7.7,15,19.5,24.2,27.7,27.1,25.9,24.4,19.1,13.4,7.1
2006,6.9,9.9,14.1,17.7,26.4,27.1,27.4,25.1,24.2,20.1,13.4,8
2007,7.7,11.5,15,22.6,25.7,27.8,27.7,26.7,25.2,19,14.2,7.7
2008,5.9,8.6,17.4,20.8,24.5,27.2,27.2,25.7,24.7,20.3,13.7,8.9
2009,8.5,12.1,16.9,21.3,26.6,28,28.3,27.3,25.1,19.5,13.1,9.2
