1901,6.8,9.3,16.1,21.7,26.3,29,25.8,23,22.8,20.4,13.3,9.6
1902,9.8,11.9,18.4,22.8,26.7,27.4,24.3,24.5,22,18.7,12,7.9
1903,8.7,9.8,15,20.8,25.2,28.9,26,23.4,22.4,17.8,11.3,7.7
1904,8.5,10.5,15.1,22.7,25.7,27,22.6,22.4,21.7,18.8,12,8.9
1905,7.1,7.4,13.3,19.7,27.2,28.8,24.5,25.3,23.1,19.1,14,8.8
1906,7.5,9,14.4,21.9,28,26.3,23.9,23.6,21.3,18.4,13.4,9.2
1907,9.5,9.3,14,19.8,24.7,27.6,26.6,22.5,22.9,19.7,13.4,7.5
1908,7.6,10.5,15,22.9,26,28.1,22.8,22.5,22.2,18.4,12.4,7.8
1909,8.2,9.9,16.3,20,25.4,25.5,22.8,23,21.6,18.4,13.5,8.1
1910,7.9,10.8,16,21.3,26.3,25.9,24,23.5,22.1,17.2,11.3,8.6
1911,10.2,10.7,14,21.7,27.5,26.5,26.6,25,21.3,19.1,11.6,8.8
1912,9.1,11.7,15.3,22,26.8,29,24.9,23.3,21.3,18.7,11.7,8.1
1913,8.5,10.6,14,23.1,24.7,25.2,24.1,24,23.7,20.2,13,8.9
1914,10.4,10.9,15.3,22.3,26.6,26.4,23.8,23.3,22.7,18.5,13.8,8.2
1915,8.6,9,15.4,21.3,27.7,28.4,25.9,23.9,23.6,20.1,13.1,9.1
1916,9,10,18.1,23.3,26.6,25.1,24.6,23,22.3,17.9,10.9,7.6
1917,9,10.3,15.3,19.5,24.6,25.7,23.1,22.9,21.6,17.5,11.2,8.7
1918,6.9,11,15.7,20.3,27.6,26.5,26.5,24.6,23.1,19.7,13.5,7.9
1919,8.7,9.8,16.4,21.4,25.8,27.8,23,22.6,22.2,18.1,12.7,8.2
1920,8.5,10.2,16.3,21.7,23.5,26.2,23.1,23.6,23.8,20.4,14.2,9.7
1921,9.5,11.3,18.4,24.3,28.2,27.4,26.3,22.9,21.3,18.2,12.3,10.4
1922,8.1,12.2,17.2,22.7,26.7,26.3,23.8,22.6,21.5,18.3,12.2,8
1923,8.4,10,16.5,22.5,25.7,29.7,24.8,22.5,22.3,17.8,12.5,9.1
1924,7.8,10.6,17.4,22.8,24.7,28.7,23.9,23.1,21.8,17.5,11.6,8.5
1925,6.4,8.9,16,23.5,25,24.1,22.3,24,23,19.4,12.2,8.2
1926,8.8,12,15,19,24.7,29.2,24.8,23.2,21.7,17.5,10.5,7.3
1927,6.5,8.8,14.2,21,25.4,27.2,23.7,22.6,22.2,18.2,10.9,9.2
1928,7.9,10.6,15.8,21.4,27,26.9,24,24.4,23.2,19.1,13.5,7.9
1929,7.8,9,17.3,22.2,26.9,26.8,23.7,22.6,23.2,18.5,13.3,7.9
1930,8.2,9.9,16.9,21.5,26.1,26.9,22.6,22.9,22.7,19.3,11.9,8.8
1931,10.1,9.7,15.3,23.3,26.6,28.4,25,23.7,21.8,17.4,11.9,8.8
1932,10.6,9.5,15.7,21.2,25.8,28.2,24.7,23.2,22.3,18.6,11.6,8.6
1933,7,11,16.2,20.6,23.6,26,23.7,22.7,21.3,17.5,12.1,8.3
1934,6.9,11.2,14.7,21.6,25.6,26.3,23.5,22.7,21.6,16.5,11.4,9.1
1935,6.6,10.6,15.5,19.2,26.3,28,23.8,22.9,21.9,17.7,12.9,8.6
1936,6.9,10.5,15.6,21.2,27.5,25.2,23.5,23.1,21.9,18.1,12.8,8.3
1937,7,11.1,14.2,20.4,26.1,27.7,23.9,23.9,22.4,18,13.2,7.8
1938,8.5,9,17.5,22.8,27.6,24.4,23.9,23.7,23.4,18.9,11.5,8.5
1939,9.4,11.2,13.8,20.8,26.9,26.1,23.8,24.5,21.7,19.2,12,8.2
1940,8.3,10.1,14.1,20.7,26.7,27.5,24.6,22.9,22.1,18.5,13.2,8.2
1941,7.6,11,17.6,23.6,27.3,27,25.4,24.1,23.1,20.7,13.2,10.3
1942,6.9,11.3,17.2,23.4,27.2,28.5,23.1,22.9,21.4,18.2,12.9,8.1
1943,9.3,10,16.6,20.7,26.7,26.2,23.7,22.2,22.3,17.9,14.1,9
1944,7.7,10.1,14.5,20.8,27.1,26.2,23.7,23.6,22.4,17.5,13,10.1
1945,6.6,9.7,16.5,20.8,26.1,27.7,24.1,23.8,21.8,17.7,12,7.3
1946,8.8,12.4,15.8,23.7,26.5,26.2,23.8,23,22.5,19,11.6,9.6
1947,6.9,11.3,16.9,22.6,27,27.8,24.1,23.9,21.8,17,13.3,9.2
1948,8.3,10,15.2,23.2,27.7,27.9,24.4,23.2,21.9,19.2,12.1,8.6
1949,9.9,11.1,16.6,23.1,27.3,27.3,24.2,23.6,22.4,18.3,11.5,8
1950,9.3,9.3,14.7,21,26.5,27.8,24,23.3,22,17.9,11.3,7.4
1951,7.2,10,15.8,20,26.3,27.2,25.6,23.4,22.5,21.3,14.3,8.5
1952,9.5,12.9,15.8,23.4,27.5,25.9,23.9,22.6,23.1,19.4,12.6,9.7
1953,7,12.3,19.1,23,27.4,28.6,24.6,23.3,22.4,18.4,12.2,10.3
1954,6.9,12.1,16.1,22.8,27.9,28.1,24.7,23.8,21.4,16.6,12.9,8.5
1955,8.9,9.9,17.4,19.8,26.1,27.2,24.1,23.3,23.1,17.7,10.6,8.8
1956,8.8,9.2,16.5,22.2,27,26.7,22.6,22.6,22.1,17.7,10.7,9.5
1957,8.7,8.7,15,21.1,24.9,26.2,24.2,23.8,21.2,18.3,13.9,10.2
1958,9.8,10.7,16.5,23.5,26.5,26.8,24.3,23.3,22.9,18.2,12.8,10.4
1959,8.2,9.7,15.9,21.8,25.8,27.5,23.7,23.3,23.2,19.7,12.8,9.4
1960,7,11,15.9,21.3,25.7,27.8,24,22.9,22.2,17.6,10.9,9.6
1961,8.5,9.2,16.1,21.1,26,26.4,24,23.1,22.8,17.6,12.7,5.9
1962,5.8,10.6,15.2,21.9,25.9,26.8,24.9,23.3,22.3,16,12.5,9.7
1963,5.8,11.1,15.2,20.8,25.2,26.5,24.1,22.8,21.3,18.7,15.6,8.5
1964,6.3,10.4,17.3,23.3,24.9,27.3,24.2,24,22.3,18.4,11.1,8.8
1965,9.3,10.5,15.3,21.3,26.1,28.2,25,23.9,21.9,19.5,13.6,8.4
1966,8.2,12.9,15,21.9,25.5,26.3,25.5,23,22.7,19.5,15.4,7.2
1967,6.3,11.4,15.6,21.3,26.1,26.7,24.3,23,21.8,18.6,14,10.1
1968,7.7,9,15.4,20.3,24.4,26.9,23.2,22.7,22.2,18.1,12.5,9.1
1969,8.2,11.2,17.1,21,25.2,27.3,23.5,22.8,22.5,18.9,14.5,8.4
1970,8.8,10.3,15.8,23.1,26.7,25.6,24.5,24,23,19.1,11.8,8.5
1971,7.8,9.7,14.7,22.5,25,24.9,23.1,23,22,18.6,12.5,7.9
1972,7.7,8.4,15.3,21.5,26.2,27.3,25.1,23.3,20.4,18.5,12.6,9.1
1973,8.3,11.7,15.9,23.8,27.8,28,24.2,23.6,22.3,18.3,12,7.4
1974,6.5,9.5,17.1,23.5,26,27.3,24.1,23.1,23.1,20.1,11.9,8.2
1975,7.3,9.7,15.3,22.3,27.3,26.2,23.6,23.7,23.2,20.3,11.4,8.1
1976,9.5,11.8,16.8,21.6,25.7,25.2,24.5,22.9,21.8,19.6,14.9,9.8
1977,7.7,11.3,16.7,22.3,25.2,26.6,23.4,23.4,21.7,19.4,16.1,9.9
1978,7.6,10.5,15.3,22.4,28.2,26.7,23.6,22.7,22.5,19.1,14.4,8.4
1979,9.2,10.2,15.4,22.3,24.7,27.2,25,23.9,23.6,21,17.5,11
1980,8.4,12,16.9,23.8,27.7,25.9,24.1,23.3,22.5,20.6,14.7,10.1
1981,9,11.8,16.9,23.1,26.3,28.1,24.4,23.8,23.5,19.5,13.3,9
1982,9.9,11,15,21.9,25.1,27.2,25.6,23.5,21.8,20.2,14.9,10.6
1983,8.1,10,16.2,20.7,25.2,27.2,24.3,24.4,23.1,18.4,11.3,9.5
1984,8.1,8.4,16.8,22.6,27,27.2,24.2,22.7,21.5,18.2,12.3,9.8
1985,8.8,10.7,17.9,22.6,27.4,27.3,25.1,23.5,21.8,17.8,13.5,11.5
1986,9.2,11.1,16.6,22.6,25.4,27.2,23.6,23.4,23.3,19.5,14.6,8.3
1987,8.9,12.5,17.6,22.9,24.9,28.5,26.2,24.4,23,19.5,12.9,9.2
1988,9.5,12.4,16.8,23.6,28.2,27.2,24.6,23.8,23.6,18.5,13.1,9.3
1989,7.3,10.3,15.9,21.1,26.4,26.2,24.4,23.4,22.7,19,14.1,9.2
1990,10,12.5,16,22.5,26.1,26.2,24,24.2,22.6,18.9,13.9,9.6
1991,7.8,12.7,17.3,21.9,27.3,27.5,25.5,23.6,22.8,19.2,13.6,9.8
1992,9.5,10.4,17.6,22.6,26,29,25.8,24.6,22.2,19.6,13.7,10.6
1993,9.3,12.2,16,22.9,27.5,27.7,25.5,23.6,22.8,19.3,13.9,8.6
1994,10.7,10.9,17.3,20.9,26.5,26.3,23.4,23.5,22.7,18.5,13.6,9.4
1995,7.6,11.2,15.7,21.2,26.6,28.9,25.8,24.6,23.3,20.5,14,10.6
1996,9.2,12.8,18.7,22.5,26.7,30.3,25.2,23.6,23.2,19.3,13,7.9
1997,7.1,9.3,17.8,21.3,24.5,25.2,24.6,23.2,22.5,17.8,14.8,7.7
1998,7.6,11,15.2,22.4,26.6,27.7,25.3,23.3,22.4,19.1,14.1,8.1
1999,6.9,11.7,17,21.7,25.3,26.7,22.7,23.8,22.5,19.3,13.9,8.5
2000,8.7,10,15.9,24.4,26.7,26.2,23.9,24.7,23,20.1,15.1,9.2
2001,8,12.3,17,22.2,26.3,24.8,23.9,24.6,23.7,20.2,14.5,10.8
2002,8.1,11.3,17.3,24,27.7,27.6,26.7,23.9,22.4,20.1,14.3,11.2
2003,7.5,11.3,16.6,23.6,26.8,28.3,24.5,24.1,21.7,18.9,14.6,10.1
2004,8,11.7,19.3,23.8,25.8,25.9,26,23.3,23.7,18.9,14.1,9.7
2005,7.9,11.3,17.3,22.1,24.9,28.6,24.4,24.3,22.9,18.8,13.9,8.5
2006,9.4,14.2,15.6,22.8,26.3,26.5,24.2,23.9,23,20.1,14.3,10.3
2007,8.8,11.8,16.2,23.9,26.2,27.4,24.7,24.3,23.2,18.7,14.2,9.5
2008,8.2,9.8,18.8,22.5,25.5,24.5,24.5,24,22.9,20,14.2,11.5
2009,9.9,13.3,18,23.1,27,28.9,25.4,24.7,23.2,18.9,13.2,10.4
