1901,5.9,8.7,15,20.8,25.7,29.9,28,25.5,24.9,20.9,13.2,8.8
1902,9.2,11.2,17,21.7,26.2,27.5,25.8,26.5,24,19,12.2,7.5
1903,7.8,9.1,13.8,20,25.2,29.6,28.2,25.4,24.9,18.4,11.6,7.3
1904,7.4,10.4,14.5,22.1,25,28.3,24.7,24.4,23.5,19,11.4,7.9
1905,5.7,6.7,11.3,18.6,26.3,29.6,26.8,28.1,25.6,19.8,13.7,8.2
1906,6.8,7.9,12.7,21,27.9,27.4,26.3,25.5,23.5,19.4,13.4,8.8
1907,9.4,7.8,11.7,18.8,24.2,28.5,28.6,25.1,25.4,19.9,13,6.9
1908,7.1,10,14.5,22.4,25.7,29.3,24.9,24.5,24,18.7,11.8,7.1
1909,6.8,8.7,15.1,19,24.7,26.4,25,25.3,24,19.4,13.9,7.4
1910,7.2,9.8,14.8,20.4,26,27.3,26.1,25.6,24.1,17.8,11.5,7.5
1911,9,10.3,12.6,20.9,27.3,28.5,29.6,28,23.3,19.4,10.7,7.5
1912,8,10.6,13.9,20.9,26.1,29.5,26.9,25.5,22.9,19.1,11.2,7.6
1913,8.1,9.3,12.5,22.1,23.9,26.2,26.4,27,26,20.3,12.1,7.7
1914,9.6,9.6,14.2,21.7,25.9,27.6,26,25.4,24.4,18,12.8,7.1
1915,7.7,8.1,14.1,20.5,27.6,28.3,27.9,26.3,25.5,21.2,12.6,8.5
1916,8.4,9.3,17.5,22.6,26,26.8,26.1,25,23.8,18.3,10.8,6.8
1917,8.1,9.7,14,17.8,22.2,26.9,25.2,24.8,23,17.6,12.1,7.8
1918,6.5,10.1,14.3,19,27.4,27.6,29,27.4,25.3,19.7,12.3,6.8
1919,7.4,8.7,14.9,20,25.1,29.6,25.2,24.9,24,18.6,11.8,7.2
1920,7.9,9,14.5,20.8,22.8,26.8,25.2,26.1,25.8,20.7,13.8,8.9
1921,8.4,10,17.6,23.8,28.7,28.7,28.1,24.9,23,18,12.2,9.4
1922,7.3,11.2,16.4,21.9,26.6,27.4,26.2,24.5,23.2,18.5,12,7.2
1923,7.6,8.9,15.3,22.1,25.6,30.6,27,24.9,24.1,18.2,12,7.7
1924,6.5,9.3,16,21.7,23.4,30.3,26,25.1,23.5,18.3,11.8,8
1925,5.6,7.9,14.5,22.8,25.3,24.7,24.3,26.2,24.9,19.4,11.3,7.6
1926,7.7,10.9,13.2,18,23.8,29.7,26.8,25.2,23.4,18,10.1,7
1927,5.8,8,13.4,20.2,24.7,28.2,25.9,24.6,24,18.9,11.6,9
1928,7.1,10,14.9,20.6,27.2,27.9,26.6,27.3,25.6,20.1,13.2,7.7
1929,7.4,8.4,16.5,22,27,28,25.9,24.9,25.4,19.3,12.9,7.2
1930,6.9,9.5,16,21.1,25.8,27.6,24.7,25.2,24.8,19.2,12,7.8
1931,9.1,8.3,14.1,22.4,26,29.1,26.9,26.1,23.7,18.3,11.8,8.3
1932,9.9,8.9,15.3,20.7,25,29.7,27.5,25.2,24.2,18.8,11.7,7.4
1933,5.5,9.8,15.1,19.3,23,27,25.2,24.6,23.1,17.9,11.9,8
1934,6.1,10.6,13.3,20.7,25.2,26.7,25.7,24.5,24.2,17,11.3,8.3
1935,5.8,10,14.6,18.1,26.2,29.6,26.1,25,24,18.2,12.6,7.6
1936,6.1,9.6,14.5,20.6,27.2,25.7,25.1,24.9,23.7,18.4,12.6,7.5
1937,6.5,10,13.1,19.2,25.6,28.8,26.3,26.7,24.6,18.5,12.3,7
1938,6.9,8.3,16.3,22.3,27.6,26.5,26.5,25.9,25.4,19.7,11,7.8
1939,8.4,9.9,12.3,19.7,27.3,26.7,26.1,27,24.1,19.9,11.8,8.1
1940,7.6,9,12.8,19.6,26.5,28.9,27.3,25.1,23.9,19,13.4,7.5
1941,6.8,10.6,17,23.7,27.2,27.3,28.6,26.9,25.2,21.5,12.8,9.6
1942,6.3,11.1,16.7,22.6,26.9,29.5,25.5,24.8,23.2,18.8,13.4,7.3
1943,8.1,10,15.6,19.4,26,27.6,26.1,24.5,24.5,18.8,13.4,9.2
1944,6.8,9.3,13.4,19.7,27.4,27,26,26.2,24.4,18.5,13.1,9.4
1945,5.8,9.2,15.7,20,25.9,28.9,26.6,26,23.8,18.2,12.6,6.9
1946,8.5,11.8,14.6,22.4,25.9,27.9,26.1,25.8,24.9,19.4,12.5,8.6
1947,6.3,11.2,16.1,22.7,26.8,29.4,26.8,26,24,17.5,13.4,8.4
1948,7.7,9.3,13.4,22.6,27.3,30,26.6,25.3,24.1,19.4,11.9,8.3
1949,9.3,10.4,15.4,22.3,26.8,28.9,26.1,25.6,24.6,19,11.3,7
1950,8.6,8.6,13.4,20.1,26.3,28.6,26,25.4,23.7,18.5,11.7,6.6
1951,6.5,9.6,14.5,18.7,26,28,27.8,26,24.1,21.9,13.9,8.4
1952,8.9,12.4,14.5,22.9,26.8,26.3,26.1,25,25.3,19.8,12.6,8.6
1953,6.1,11.3,18.1,22.4,27.4,29.7,26.8,25.5,24.4,19.2,12.1,9.9
1954,6,11.2,15.3,22.2,27.8,29.2,26.7,26.3,24.1,17,12.8,7.3
1955,7.3,9.2,16.5,19,25.3,28.9,26.6,25.5,25.1,18.4,10.9,8.1
1956,7.8,8.6,14.8,21.4,27,28.5,24.9,25.3,24.8,18.2,10.8,8.7
1957,7.6,8.3,14,19.8,24.4,26.7,26.4,26.2,23.2,18.6,13.1,9
1958,9.4,10.1,15.7,22.9,26.1,27.8,26.5,25.3,25,19.1,12.4,9.9
1959,7.6,8.8,14.8,20.9,25.4,28.6,26,26,25.6,20.6,12.5,9
1960,6.7,11.2,14.7,20,25.3,28.7,26.1,25.7,24.5,18.2,10.6,8.6
1961,7.6,8.6,15.2,20.5,25.7,27.5,26.6,25.3,25.6,18.9,12.4,5.6
1962,5.6,10.6,14.6,21.6,25.5,28.2,27.5,25.9,24.5,17.2,12.7,8.9
1963,5.2,10.7,14.9,21.2,25.2,28.2,27.6,25.4,23.4,19.8,15.5,7.4
1964,5.5,9.7,16.3,22.3,23.8,28.4,25.9,26.4,24.2,18.6,10.8,8
1965,8.6,9.4,14.1,20,25,29.5,26.9,25.5,23.6,19.5,13.3,6.8
1966,7.2,12.2,14.4,21.7,25.5,27,27.3,25.3,24.1,19.2,13.8,6.3
1967,5.3,10.5,14.3,20.6,25.3,28.3,26.2,25.1,23.7,18.1,12.8,8.6
1968,6.7,7.9,13.6,19.7,24.6,28.3,25.1,25.3,24.1,18.6,11.8,8.4
1969,7.4,10.9,16.6,21.1,24.5,29.6,25.6,25.6,24.6,19.3,13.2,7.3
1970,7.8,9.2,14.4,21.8,26,26.4,26.9,26.6,25.5,19.5,11.5,8
1971,6.6,9.2,14.2,21.4,24,26.3,25.5,24.8,23.6,19.4,12.2,7.7
1972,7.5,7.9,15.3,20.3,26.3,28.4,27.4,25.4,22.3,18.6,13,8.6
1973,7.7,11.1,14.5,22.8,26.5,29,27,25.7,24.6,18.9,12,6.9
1974,6.6,8.8,16,22.7,25.6,27.9,25.9,25.7,24.6,20.7,11.7,7.4
1975,6.6,8.9,14.5,21.4,26.8,26.6,25.7,25.7,24.9,20.8,11.1,8
1976,8.9,11.1,15.3,20.7,25.1,26.2,26.7,24.9,23.7,19.7,13.7,8.5
1977,7.4,10.1,15.2,21.2,24,27.4,25,25.7,23.5,19.6,15.4,9.5
1978,7.1,9.6,13.4,21.1,28,27.7,25.6,24.9,24.1,19.3,13.9,8.5
1979,8.5,9.7,14.2,21.7,24.1,27.9,26.9,26.5,25.1,21.3,17,10.6
1980,7.6,11.5,15.2,22.9,28.1,27.2,26.1,25.7,24.4,20.6,13.9,9.5
1981,8.8,10.9,15.2,21.6,25.6,28.4,26.3,26.1,25.5,19.5,13.2,8.3
1982,9.3,10.4,13.2,20.7,23.9,27.8,27.6,25.9,23.7,20.5,14.9,10
1983,7.5,9.4,14.7,19.2,24.2,27.2,26.1,26,25.1,19.3,11.6,9
1984,7.5,8.2,16,21.6,27,28.5,26,25.4,23.7,18.5,12.1,9.3
1985,8,10.4,16.7,21.8,26.7,28.4,26.7,25.9,23.7,18.1,13.3,10.6
1986,8.2,10.4,15.2,21.3,24,27.6,25.7,26.1,24.9,19.4,14.1,7.5
1987,8.5,12.3,16.9,22.2,23.6,29.1,28.8,26.4,25.2,20.3,12.4,8.7
1988,8.7,11.4,15.3,22.2,27.6,27.2,26.6,25.5,25.4,18.8,13,9
1989,6.8,9.4,15,19.6,25.5,27.2,26.6,26,24.4,19.1,13,8.4
1990,8.6,11.6,14.4,21,25.9,28.5,26.5,26.3,25.1,18.8,13.1,8.6
1991,6.3,11.2,15.6,20.7,26.3,27.5,28.3,25.9,24.8,17.8,12.7,9
1992,8.4,9.4,16.1,21.2,25,29,26.7,26.3,23.9,19.7,12.9,9.8
1993,8.2,11.7,14.6,21.1,26.7,28.6,26.8,25.7,24.9,19.3,13.3,7.8
1994,9.7,10.6,16.5,20.2,26.1,28.4,26.3,26.5,24.9,18.6,13.5,9.2
1995,7.5,11,14.8,19.4,26,29.8,27.9,26.4,24.6,20.4,13.3,9.9
1996,8.7,11.8,17.1,21.4,26,31.3,26.9,25.5,25.3,19.7,11.6,6.6
1997,6,8.4,15.6,20.2,23.5,25.7,27.1,25,25.2,17.7,13.1,6.8
1998,6.7,9.7,13.7,20.6,25.2,27.8,27.4,24.6,23.5,19.1,13.7,7.2
1999,5.5,11.2,15.7,21.6,23.9,27.9,24.3,27,25.2,20.5,14,8.3
2000,7.9,9.5,14.7,23,27.4,27,26.4,26.8,24.8,19.9,14.2,8
2001,6.9,11,15.4,21.2,25.4,25.7,27,27.1,25.8,20.7,13.9,9.7
2002,7.5,10.5,15.8,23.2,26.7,28.5,28.9,27.3,24.4,20.4,13.7,9.7
2003,6.6,10.5,14.7,22.6,25.9,29.3,26.6,26.5,24.3,19.7,13.2,8.7
2004,6.6,11,17.8,23.1,26,26.3,28.5,26.1,25.5,18.8,13.5,9.4
2005,7.6,10.6,16.5,21.1,22.7,29.2,26.3,26.9,25,19.5,13.2,7.5
2006,8.7,13.4,14.5,21.7,25.3,26.5,26.7,27.3,25,21,14.3,9.1
2007,6.9,10.6,13.8,22.5,25,27.3,27.6,26.9,25.5,19,13.2,8.9
2008,8.4,9.2,17.6,21.2,24.5,26.1,26.5,26.2,25.3,20.7,14.1,10.6
2009,8.9,12.3,16.1,22.1,26.6,29.2,28.3,27,24.8,19.6,13.8,9.7
