1901,8.6,6.4,10.6,14.6,18,24.4,26.6,27.3,21.6,15.3,10.8,7.5
1902,8.1,9.9,12.2,14.7,17,21.2,26.5,26.6,21.9,15.3,12.2,8.8
1903,8.5,9.7,12,14.5,16.8,21.6,26.4,27.2,21.8,17.3,12.3,7.4
1904,7.7,9.2,10.2,14.8,20.2,23.2,27.3,26.7,21.9,17.8,11.9,10.2
1905,7.6,8.1,12.5,15.6,17.9,21.7,26.7,26.5,21.2,15.8,10.5,8.5
1906,8.7,7.9,11.1,12.8,17.8,23.7,26.6,28.2,22.5,17.1,11.3,7.7
1907,7.4,7.5,11.9,13.8,17.1,23.4,25.3,27.1,22.9,14.8,11.8,10.1
1908,9.2,8.9,9.8,12.4,19.3,20.9,26.2,26.5,23.4,17.6,13,9.6
1909,7.1,7.6,10.8,15.1,18.5,20.1,25.9,26.7,20.6,17.3,11.8,10.2
1910,8.1,10,10.1,13.5,16.4,22.1,25.6,25.7,21.5,16.7,11.5,9.5
1911,6,9.3,10.2,12.7,17.1,20.8,26.5,27.1,24,15.8,11.5,9.9
1912,8.6,11.4,12.7,13.7,19.3,22.4,24.3,24.1,20.9,15.6,10.9,7.7
1913,9.6,9.2,11.4,13.2,18.2,23.9,26.1,25.2,20.4,16.1,12.4,8.2
1914,6.5,9.8,11.7,14.4,18.2,20.4,25.2,26,23.4,16.9,11,8.6
1915,7.4,8.5,11.3,12.4,18,22,27,27.3,21.9,15.3,11.3,9.1
1916,7.9,8.9,10.3,13.6,18.4,22,25.6,26.2,21.7,17.2,11.4,9.3
1917,7.3,8.7,10.2,12.4,18.1,22.3,27.2,25.7,23.5,15.7,10.8,6.2
1918,8.6,9.1,10.5,12.5,18,22.5,26.2,26.4,21.8,14.3,10.6,8
1919,6.6,10.2,11.1,12.9,17.4,22.8,25.2,27.3,22.3,14.6,9.7,6.6
1920,7.9,9.4,11,14.5,18.6,22.3,25.2,25.7,22.3,15.3,10.5,7.3
1921,7.8,9,11.3,13.4,17.4,22.3,27,26.2,22.7,18.3,11,7.4
1922,8.2,9.5,10.5,13.8,19.3,21.8,26.3,26.4,20.9,16.8,11.4,7.6
1923,6.1,9.6,12,12.1,18.3,20.8,27.2,28.1,21.4,18.6,10.6,6.5
1924,8.4,7.2,11.6,14.4,20.5,23.9,27.1,26,22.2,17.4,11.6,8.7
1925,7.8,8.2,8.9,13.3,17.1,21.1,24.4,26.4,21.9,16.9,10.2,9.8
1926,8.6,11.9,12.7,14.4,17,22,26.7,27.6,25.1,18.7,10.4,7.6
1927,8,8.5,11.2,14.9,19.3,23.1,24.9,26.1,22.4,18,10.8,9
1928,7.2,10.1,11.7,13.3,16.3,23,28.5,27.3,23.2,17,10.6,7.6
1929,6.9,9.7,11.8,14.5,17.3,22.9,26.9,26.3,22.3,16.5,11.2,9.7
1930,9.2,7.4,11.9,12.8,18.7,21.1,25.5,27.5,23.4,18.8,12.7,9.7
1931,8.1,8.9,12.8,14.5,18.1,23.9,26.4,25.4,21.8,17.5,12.1,7.2
1932,7.8,7.9,11.9,13,17.9,21.1,25.2,26.7,22.4,15.8,12,9.3
1933,7.4,9,11.5,15.8,20.2,21.6,27.4,29.2,22.8,17.2,9.6,6.2
1934,6.7,7.9,9.6,12.9,18.8,23.7,27.4,25.4,23.5,17.4,10.1,10.4
1935,6.5,8.1,12,14.5,16.4,22.5,27.8,26.5,23.8,15.8,11.1,9.5
1936,10.7,11.1,11.2,14,15.8,20.4,25.7,27.4,23.6,15.6,10.2,7.1
1937,9,11.1,10.9,14.9,18.4,22.2,27.7,27.3,22.5,17.4,13.3,8
1938,7.5,8.2,12.4,14.3,17.4,24.9,26.8,25.8,20.8,17.6,13.1,8.4
1939,9.8,9.3,10.8,13.3,16.9,21.1,26.5,26.1,22.8,16,11.4,8.6
1940,8.1,11,13.3,15,18.1,21.7,26.3,27,22.5,15.7,11.1,6.9
1941,7.4,10,11.9,13.6,16.4,22,26.2,26.3,23.1,17.7,11.2,7.8
1942,7.6,7.4,12.4,14.4,18.9,22.8,26.6,26.4,22.4,18.2,12,9.2
1943,9.3,9,11.6,15.7,19.8,24.8,25.7,27.1,21.8,16.4,10.4,8.7
1944,8,7.2,11.4,15.5,19.4,23.2,26.4,26.6,22.9,14.9,11.1,7.5
1945,5.5,9.5,12.4,17.9,19.8,24.2,27,25.8,24.2,17.8,13.5,10.1
1946,7.1,9.8,11.6,13.8,16.2,22.6,28,27.3,23.4,17.9,11.2,7.3
1947,6.8,9.1,12.2,15.2,17.2,23.3,27.5,26.4,22.7,16.9,13.4,7.5
1948,8,10.6,13.5,14.3,17.4,23.4,26,26.3,22.9,17.2,12.8,10.1
1949,8.4,9.7,11.4,16.3,18.1,23.3,27.6,28.3,22.9,17.9,12.4,8.9
1950,8.2,10,12.2,14.2,18,23.4,28,26.7,22.7,17.5,13.2,7.5
1951,7.7,8.2,11.7,14,15.3,23,25.8,24.9,22.3,15.1,11.3,9.9
1952,6.4,8.8,13.3,14.1,17.7,22.9,26.1,24.9,20.1,17.2,12.1,8.3
1953,7.4,8.4,11.2,14.4,19.9,21.1,26.5,27.3,22.3,16,13.1,10.7
1954,6.9,7.8,10.9,13,18.3,21.9,25.9,24.9,22.4,17.9,13.6,9.7
1955,11,10,10.9,15.7,20.6,23.3,26.8,26.9,23.1,17,12.6,10.8
1956,8.8,6,11.1,12.9,17.7,22.1,25.2,25,21,17.5,9.8,7
1957,7,10.4,13.4,13.1,17.1,21.1,26.9,26.9,23.6,16,10.9,7.2
1958,8,11.3,11.5,13.3,19.5,21.4,25.9,25.7,23.5,17,11.7,9.9
1959,9.8,9.2,12.3,14.7,17.5,22.7,27,25.8,21.7,17.2,11.8,8.9
1960,8.3,10.2,12.3,14.7,18.9,24.2,26.6,25.1,22.3,14.2,11.5,7.4
1961,7.7,11.6,13.5,15.2,20.4,23,27.1,27.5,23.7,16.5,11.5,9.6
1962,9.5,9.3,11.4,14.7,18.5,22.7,26.5,27.4,24.1,18.5,9.7,7.8
1963,8.6,8.3,11.5,13.9,18.1,21.6,26.6,25.3,21.3,18.1,12.3,8.9
1964,8.6,10.1,11.7,13.7,21,22.7,26.9,26.7,25.2,16.3,11.3,7.6
1965,8.2,8.1,12.2,14.8,20.2,24.1,25.3,26,20.1,16.5,11.3,9
1966,10.1,10.8,11.3,14.2,19.5,22.4,25.8,26.1,23.6,15,9.1,8.1
1967,7.7,9.6,13.1,13.3,17.3,21.9,27,26.3,21.3,17.9,11.8,7.1
1968,7.9,9.6,11.2,13.7,17.7,22.6,26.8,25.4,21.8,18.5,11.8,8.6
1969,9.3,8.5,11.4,13.9,17.4,21.1,27.4,26.3,19.8,16.9,11.2,7.3
1970,9.5,9.6,10.5,14.2,18.1,21.4,26.7,25.7,23.8,16.5,13.3,6.5
1971,7.8,10.3,9.7,13.3,15.9,20.3,26,25.7,23.2,19.4,10.2,8.8
1972,7.5,9.9,11.1,14.5,17.5,21.5,25.6,25.8,20.2,15.7,12.3,8.5
1973,7.9,8.6,9.7,14.4,18.9,23.1,26.5,27.9,21.7,16.5,12.7,7.5
1974,9.3,9.2,11.9,11.8,18.3,22,27.6,26.6,22,14.9,11.8,9.4
1975,9.1,10.2,10.1,13.3,16,21.4,27.2,27,20.9,17.6,11.4,8.3
1976,7.9,10.1,11.7,12.2,18.4,24.2,26.9,26.2,20.7,14.5,9.2,9.5
1977,8.7,10,12.6,14.9,17.1,20,24,23.9,23.2,17.2,12.7,10.9
1978,8.7,10.6,12.2,13.1,16.4,20,25.8,26.5,24.3,17.2,12.3,10.8
1979,10.5,10.1,11,13.4,18.3,23.5,27.2,26.8,21.8,15.9,11.6,9.1
1980,8.3,10.5,12,14.4,17.3,22.8,26,27.3,24.9,17.2,11.7,8.1
1981,7.8,9.1,13.4,13.5,17.8,23.5,26.3,25.9,23,17.7,14.7,10.3
1982,9.7,10.4,12.7,14.5,19.2,24.5,26,26.3,22.8,16.1,11.6,8.3
1983,8.9,8.4,13.6,14.1,17,24.2,25.5,25.3,24.6,19.5,14.3,9.8
1984,8.5,9,10.1,16.1,14.9,21.7,27.5,25.9,23,16.6,12.2,10
1985,7.3,11.7,11.2,15.1,17.1,23.3,27.7,27.1,25.6,19.6,12,9.1
1986,8.2,9.4,11.7,11.8,20.4,23.2,27.7,26.2,23.9,18.5,12.4,8.6
1987,8,9.8,13.3,15.6,18.5,23.7,26.7,26.9,24.9,16.2,12,10.6
1988,9.8,9.9,13,15,17.7,21.5,27.1,27.6,24,17.9,13.2,8.7
1989,8.8,10.7,13.3,13.5,19.7,24,29.2,27.7,22.8,18.7,13.3,11.5
1990,9.1,12.1,13.1,13.9,20.5,23.6,28.9,28.1,25.1,17.3,11.7,8.3
1991,8.7,8.7,12.5,13.9,18.5,24.4,28.3,28.2,24.5,15.7,11.5,9.5
1992,8,9.5,12.5,15.2,19.9,20.6,27.4,27.3,22.5,15.7,12.5,9.8
1993,8.5,9.5,12.1,14,17.9,23,27.1,27.5,21.4,14.7,11.7,9
1994,8.5,9.8,13.9,14.2,18.9,23.8,28.5,27.8,21.7,17.6,13.6,10
1995,9.4,11.2,12.9,15.2,20.1,23.3,27.6,27.4,21.2,19.1,14.1,10.8
1996,10.1,9.2,12,15.4,18.1,24,26.9,26.3,21.3,16.9,12.2,9.5
1997,9.2,12,14.7,16.8,19.1,22.7,25.7,26.6,24.1,19.6,12.7,9.6
1998,9.6,11.4,13.8,13.9,18.1,23.7,27.8,27.9,23,16.5,12.8,8.7
1999,8.6,9.6,12.3,15.5,19.5,23.9,27.9,27.1,22.8,17.4,11.1,9
2000,7.9,12,13.3,13.4,19.4,24.7,26.7,26.6,23.1,16.5,11.3,9.7
2001,9.4,10.6,14,15.6,18.3,24.3,26.6,27.6,22.9,18.3,11,8.4
2002,9.9,11.1,12.6,14.9,18.2,23.8,27.1,26.2,21.8,17.4,12.4,10.5
2003,8.5,9.2,13.1,14.8,19.8,25.7,27.7,28.4,23.6,17.1,12.3,9.2
2004,9.9,9.9,11.7,13.8,17.4,24.5,27.7,26.7,23.7,17.8,11.7,9.2
2005,8.1,8.1,12,15.4,20.4,24.8,28.3,26.7,22.6,17.7,10.9,8.9
2006,7.9,9,12.5,15.7,20.1,23.7,28.3,26.4,23.5,18.5,13.5,9
2007,8.5,11.4,12.2,14.4,18.8,22,27.2,26.5,23.1,17.9,12.2,9.4
2008,10,11.5,12.7,15.1,17.4,23,27.8,27.9,22.5,17.2,10.4,8.1
2009,7.8,9.1,13,14,19.9,24.2,28.2,28.5,22.8,19,13.1,9.5
