1901,7.4,7.3,12.7,16,18.7,24,27.2,26.4,23.8,19,12.9,12.2
1902,10.1,11.6,11.8,16.5,17.3,22.6,27.4,27.5,24.6,18.8,12.7,9.3
1903,9,9.8,12.6,13.6,20,21.9,25.8,27.1,24.2,19,13.5,11.8
1904,9.4,11.3,12.8,16.7,20.7,24.9,28.1,27.1,22.2,17.9,11.7,10.2
1905,5.9,7.5,12.6,15.5,19.6,23,28,27.5,24.9,16.5,15.4,11
1906,8.7,8.3,12.2,15.1,18.9,23.1,27,27.1,22.4,18.5,15.2,9.3
1907,7.2,7.7,9.1,13.9,21,23.4,25.7,27.3,24.1,21.1,14.1,11.9
1908,9,8.8,11.2,14.1,22.6,24,26.7,26.5,22.9,18.9,12,9.7
1909,7.8,6.5,12.2,16.3,19.9,22.7,25.2,26.3,23.7,19.5,12.9,12.6
1910,9.8,10.3,11.6,15.7,18.9,23,24.9,26.2,21.4,19.7,13.3,12.6
1911,8,7.5,11.9,14.5,19,23.6,27.2,27.9,24.2,19.7,15.7,12.2
1912,9.5,12.2,14.2,13.7,19.4,23.6,27.5,25.8,20.3,18.4,11.4,11.3
1913,10.2,9,13.6,15.7,19.8,24,24.8,26,25.4,20.1,15.6,11.2
1914,7.5,10.3,12.8,17,20.1,22.3,25.5,26.6,22.6,17.2,12.7,11.7
1915,9.1,9.2,11.8,14.9,21,24.4,26.7,26.3,21.7,17,12.9,12.7
1916,9.9,10.3,13.9,16.1,20.8,25.2,27.6,26,22.2,18.8,14.8,12.8
1917,9.6,8.6,11.4,14.3,20.8,25.3,27,28.3,25.6,18.9,12.6,8.7
1918,9.5,8.3,11.1,15.2,20.1,22.8,26.9,26.3,25.7,17.6,13.5,10.7
1919,9.9,8.9,12.6,15.1,17.6,23.8,25.4,27.4,24.5,17.1,13.7,9.7
1920,10.5,10,13.3,16.7,23.1,23.8,28.1,27.2,24.4,18.1,12.6,11.6
1921,11,9.7,12.4,14.8,21.1,22.7,27.4,27.2,23.7,20.1,13,9.7
1922,8.4,9.2,13.7,16.1,21.4,25.2,27,28.8,23.5,18.6,11.3,9.6
1923,8.3,9.8,11.7,15.6,21.7,21.6,27.5,28.5,24.2,19.9,16.3,10.4
1924,7.6,8.7,11.3,16.2,22.4,24.7,27.4,25.7,25.7,19,13.5,11.5
1925,9.9,11.3,10.9,15.7,19.4,24,26.4,27.5,23.6,19.2,14.8,9.9
1926,10.1,12.3,12.4,16.5,18.9,21.9,24.5,25.4,25.3,20.8,18.1,10.9
1927,9.9,8.8,13.4,15.9,20.6,26.1,28.1,28,24.9,18.7,16.5,11.4
1928,10.5,9.3,11.5,16.3,18.5,24.4,29,29.2,25,19.4,14.6,9.3
1929,7.5,5.8,10.8,14.4,20.8,24.6,27.9,26.7,24,19,15.1,11.4
1930,10.7,9.4,13.3,15.7,19.1,25,27,26.2,24.1,18.3,14.9,11.2
1931,10.3,9.5,12.6,14.4,20.4,25.9,28.2,27.6,21.2,18.2,14.5,9.7
1932,9,7.4,11,14.2,19.5,22,26.6,28,26.8,21.7,15.2,13.6
1933,9.6,9.6,12.1,14.8,17.6,20.3,26.1,26.7,22.8,19.9,15.1,10.4
1934,9.1,10.2,12.8,17.3,20.5,23.4,26.9,25.9,23.9,19,15.8,12.4
1935,6.9,9.4,10.7,14.7,18.4,25,27.1,26.4,24,20.5,15.6,11.4
1936,12.8,10.3,13.3,15.7,18.7,22,26.8,25.9,23.1,16.5,13.8,11.1
1937,10,11.2,12.9,14.5,19.7,24.8,26,26.2,23.2,19.1,14.6,10.3
1938,8.8,8.7,11.9,12.7,17.9,24.6,27,26.3,22.8,19.2,15.1,11.1
1939,11.6,11.3,9.3,16,17.3,22.3,27.5,27.2,23.2,19.2,14.7,10.7
1940,8,9.9,11.1,14.3,18.4,21.2,24.7,24.5,23,19.1,15.3,7.7
1941,9.7,10.9,12.8,13.7,17.9,23.9,27.2,26.8,21.6,17.7,12.7,10
1942,6,7.5,11.6,15.2,20.7,23.8,26.7,26.6,25.7,19.9,13.6,12.5
1943,8.5,10.8,12.7,16.6,20,23,27.1,28.5,25.7,20.3,14.1,12.2
1944,9.9,7.9,9.1,15.7,20.2,24.6,26.4,27.8,24.5,18.7,13.9,10.7
1945,7,9.2,11.6,16.6,22.6,26.4,29,27.3,23.8,17.2,13.4,10.6
1946,9.2,9.5,11.8,16.2,20,24.3,27.9,28.3,26,18.3,15,9.5
1947,7.3,10.9,14.2,17.6,20.6,24.8,28.6,28.3,25.5,19.3,15.2,9.9
1948,11.4,9.2,13.2,15.8,20.8,22.9,24.7,26.8,23.7,20,14.3,10.7
1949,10.8,9.6,9.8,17.1,19.9,23,26.8,25.9,24.7,19,14.4,12.4
1950,9.7,11.7,13.4,15.8,22.2,26.1,29.8,28.1,24.3,18.8,14.2,11.3
1951,10.9,11.1,12.5,15.4,19.6,24.7,26.7,27.3,24.3,17.2,15,11.3
1952,9.4,9.1,12.1,17.5,19.6,26.1,28.6,28.7,24.5,18.6,13,10.9
1953,8.1,9.1,11.5,16.4,19.6,23.1,27.6,26.2,24.3,20.4,14,12.6
1954,7.6,8.5,13,14.5,18,24.6,25.3,25.6,24.6,17.8,13.8,11.5
1955,11.9,12,11.9,14.4,20.2,23.6,26.7,25.6,22.4,18,13.4,12.2
1956,10.6,6.8,9.9,14.4,19.3,21.8,26.4,28.3,25.2,18.1,13,10
1957,9.9,11.8,12.9,15.6,18.2,24.8,26,26.7,22.8,19.2,14.4,10.4
1958,9.8,11,10.1,13.2,21,22.8,26.2,27.9,23.5,19,14.8,12.6
1959,9.4,10.8,13.7,15.1,19.1,22.4,26.7,26.1,22.6,17.8,14.2,12.1
1960,9.8,11.4,12.7,15.1,19.9,23.8,25.2,27.1,23,19.7,15.5,12.1
1961,10,10.8,12.8,17.1,19.6,23.3,26,26.7,24.9,19.4,15,11
1962,11,9.4,11.2,15.6,20.1,22.8,26.6,27.8,24.5,19.5,14.2,9.5
1963,8.1,9,11.2,15.3,18.9,23.2,26.9,26.5,23.8,18.3,16.4,12.4
1964,9.1,9.9,12.5,15.3,19.9,24.3,26.2,25.8,22.1,18.1,14.6,10.6
1965,9.9,6.8,11.8,13.6,18.7,22.6,26.8,25.5,21.9,18.4,15,11.6
1966,8.7,12.2,11,15.5,18.9,23.7,25.1,26.1,23.2,19.9,12.6,9.7
1967,8.8,9.5,11.8,14.2,19.3,21.6,26.4,26.7,22.6,20.1,15.9,11
1968,8.1,10.9,11.6,16.7,20.7,22.4,25.8,24.4,22,18.8,14.9,10.8
1969,9.5,9.9,11.3,14.7,21.2,21.5,24.6,25.6,23.2,19,15.8,9
1970,11,10.1,11.7,14.9,17.9,23.8,25.5,26.9,23.9,18.3,15.1,12
1971,11.2,9.7,9.7,16.1,20.6,22.4,26.3,28.4,22.1,17.3,14.2,11.5
1972,10.8,11.4,13.4,15.2,18.8,23.4,25,25.1,21.5,15.5,13.8,11.3
1973,9.9,9.1,9.8,13.4,20.8,24,26.7,25.8,24.4,18.9,13.8,11.1
1974,10.9,10.7,12.6,14.2,18.7,23.2,25.9,27,24,15.7,13.2,10.2
1975,9.5,9.1,12.4,15.3,19.6,22.9,26.2,27,25.7,19,14.5,11.9
1976,9.9,11,11.7,14.1,19.4,23.4,25.9,24.8,22.4,19.5,13.5,11.6
1977,11.4,12.3,14,15.2,21,23,27.4,26.6,23,18.9,15,10.7
1978,9.6,10.8,12.5,14.2,19,23.7,25.5,26.5,22.4,17.7,12.6,12.5
1979,9.4,10.7,13,13.7,19.6,23.9,26.3,25.8,22.9,19.2,13.6,12.2
1980,9,10.1,11.1,13,16.9,21.8,25,27.4,24.8,19.1,14.6,9.4
1981,8,8.7,13.6,16.3,19.3,24.4,25.8,27,23.7,19.9,12.5,12.3
1982,11.1,9.2,11.2,14.9,20.1,25.3,27.8,27.7,25.5,19.5,14.9,11.7
1983,10.3,8.6,12,15.7,20,23.3,28.5,27,23.8,18.9,14.4,11.4
1984,10.7,9.5,10.9,14.4,19.3,22.6,26.4,25.8,22.6,19.4,15.7,11.3
1985,8.5,9.7,11.5,16.1,21.2,24.2,27.8,27.8,25.7,19.9,14.9,12.7
1986,11,9.5,13.2,16.3,22.1,23.8,26.8,29,25.1,20.6,15.1,10.1
1987,10.2,10.6,9,15.9,18.2,23.5,28.6,28.2,26.6,21.1,15.1,12.1
1988,12.3,11.4,12.2,15.5,20.6,23.3,29.4,29,23.7,20.9,13,10.4
1989,9.6,11.4,14.4,16.6,19.6,22.7,26.8,26.9,23,17.7,14.1,12.1
1990,11.1,13.2,14.4,15.2,20.1,24.1,25.9,27,23.7,21,15.1,9.8
1991,9.8,8.9,14.1,14.5,18.1,23.2,26.4,27.2,24.6,18.7,14.3,8.8
1992,9.3,9.4,11.7,15.3,20.5,23.5,25.7,28.7,24.7,20.3,16.1,11.4
1993,9.4,9,11,16,21.2,25,26.4,28.3,24.7,19.8,14.4,11.6
1994,11.3,10.4,14,15.7,21.1,24.1,28.9,29.8,26.2,20.4,15.8,12.7
1995,9.8,12.5,12.1,14.4,19.8,23.4,27.8,26.6,22.4,19.3,13.1,13
1996,11.8,9.4,11,15.7,20.5,24.4,26.9,27.3,21.6,17.7,15.3,11.4
1997,11.4,10,12.6,13.3,20.7,25.3,26.7,26.5,23.8,18.6,15.2,11.8
1998,10.7,12,11.5,16.9,20.4,25.8,28.4,27.8,23.9,19.5,13.5,9.9
1999,10.3,8.7,12.3,16.2,21.5,25.5,27.4,28.7,25.5,21,15.2,11.9
2000,9,9.9,12.3,17.4,22.4,25.3,27.3,28.3,24.1,19.8,16.9,12.8
2001,12,10.9,15.1,15.6,20.8,24.6,28,28.7,22.9,20.8,15.1,9
2002,9.3,12.3,14.6,16.9,20.8,25.3,27.7,26.4,23.2,19.4,16.5,11.9
2003,10.7,6.4,11.8,15.4,22.6,26.4,29.3,29.8,23.2,18.8,16.6,12.1
2004,9.5,10.5,12.2,15.9,18.7,23.6,27.8,27.7,24.1,21.5,15.4,13.3
2005,9.5,7,12.2,15.9,22,25,28.5,26.1,24.3,18.7,14.6,10.6
2006,8.3,9.6,11.5,16.4,21.7,24.1,27.7,27,24.1,20.3,15,12.2
2007,12,11.2,12.7,16.3,21.4,26.3,28.8,28.9,23.1,18.9,13.5,9.8
2008,10.9,10,12.6,15.9,20.8,25,28.2,28.9,24.3,20.3,15.2,11.7
2009,10.1,8.5,12,15.8,22.6,24.1,28.2,28.4,25.3,18.4,14.8,12
