1901,9.7,10.3,12.6,19,22.3,29.6,32.3,33.4,24.8,17.2,12.4,7.7
1902,8.4,10.2,13.3,16.5,20.3,25.1,31.4,31.7,25.4,17.5,12.6,9
1903,8.8,10.6,13,16.4,19.9,26.2,31.9,31.6,25.1,18.9,12.7,8
1904,7.9,9.9,11.9,16.1,21.8,26.6,31.9,31.4,25.3,19.5,13,9.9
1905,8.1,8.6,13.2,17.1,20.9,25.8,32,31.2,24.7,18.3,11.4,8.9
1906,8.4,7.8,12.7,15.4,20.4,27.3,32,31.9,25.9,18.8,11.8,7.6
1907,7.7,7.6,12.4,15.1,19.8,26.4,31.3,31.8,26.5,18.1,12.8,9.6
1908,9,9.1,11.6,14.8,21.3,25.4,31.8,30.9,26.6,19.3,13.7,10.3
1909,8.7,9.7,13.7,16.3,21.3,25.7,30.5,29.9,24.4,19.1,13.4,11.2
1910,8,9.7,11.8,15.2,19.3,26.1,31,30.6,25.1,18.6,12.5,9.6
1911,8.4,9.6,10.4,15.9,20.1,26.8,29.9,31.3,26.8,17.8,11.3,9.3
1912,8,12.2,13.8,15,22,27.2,27.6,29.3,24.6,17.4,11.3,8.8
1913,9.3,10.2,12.3,15,20.5,27.9,30.4,28.8,22.7,18.7,11.4,8.4
1914,7,8.7,12.2,16,21.1,24.8,30.4,30.3,24.4,17.6,11.5,8.7
1915,7.2,9.2,13.3,14.5,20.9,25.8,32.7,32.1,25.3,17.4,12.2,9
1916,7.7,8.6,11.6,15,20.6,26.1,31.3,30.6,24.8,18.7,11.6,9.7
1917,8.2,9.5,11.2,14.6,20.2,26.1,32.8,31,26.4,17.6,11,7.4
1918,9.3,9,11,14.2,20.2,26.7,31.8,31.1,24.9,16.7,11.9,8.9
1919,8.1,11.2,12.8,15.3,20.5,27.1,31.1,32.7,25.7,17.6,12,7.7
1920,8.3,10.2,12.6,16.6,21.3,26.7,31.4,31.4,26,17.9,12.3,8.9
1921,8.8,9.8,12.7,15.6,20.5,26.2,32.4,31.3,25.5,19.6,12,7.9
1922,8.7,9.7,11.9,15.7,21.7,26.3,32.5,31.1,24.4,18.6,12.5,8.5
1923,6,9.8,13.2,13.4,21.3,26.5,32.2,33.1,24.7,20.9,14.5,7.3
1924,8,8.2,13,17.1,23.5,28.9,33.4,31.5,25.5,18.1,12.2,8.8
1925,7.5,8.3,10.2,15.3,20.4,25.1,30.4,32.8,25.8,17.7,11.4,11.4
1926,10.3,11.8,13.5,17.3,20.3,27.4,32.8,32.3,28.8,20.6,9.8,8.9
1927,8.6,8.2,12.8,17,22.3,29.1,30.5,33.1,25.6,19.7,11.1,9.8
1928,6.9,10.2,13.1,16,19.2,28.5,34.5,32.3,26.6,18.1,11.5,8.7
1929,9.9,10.6,13,17,19.6,27.6,32.8,31.9,24.4,18.3,10.7,8.9
1930,9.7,9.2,13.3,13.8,21.7,24.6,30.8,33.4,26.4,21.2,14.6,9.1
1931,7.7,9,13.5,15.3,21.5,27.9,32,30.9,24.2,20.2,13,9.9
1932,8.5,8.7,11.2,15.4,20.8,25.5,30,29.9,24,17.8,11.6,8.4
1933,8,10.9,12.1,18.7,23.8,26.3,32,33.8,24,19.6,10.6,7.8
1934,6.8,8.8,9.8,15.7,21.2,28,31.2,31.5,25.7,19.7,12.6,10
1935,7.7,7.6,13.3,18.1,20.5,28.1,33.6,31,27.8,17.3,13.3,10.1
1936,9.7,10.9,12.5,17.6,18.9,25.7,31.9,33.7,27.3,17.8,10.8,8.7
1937,9.4,12.6,14.1,20.4,22.5,27.8,34.2,32.4,25.1,18.5,14.7,9.4
1938,8,10.7,12.4,15.9,20.1,28.5,32.3,31.6,23.3,19.6,14.1,8.8
1939,9,8.8,12.1,15,20.9,25.6,32,30.1,25.9,18.3,13.1,10.1
1940,8.8,11.4,14.4,17.9,21.5,26,31.4,33.6,25.6,17.8,12.8,8.3
1941,9.2,12,13.5,15.7,21.2,27.4,30.8,32.1,26.1,20.6,14.2,8.5
1942,7.9,8.8,13.7,16.9,23.4,28,33.3,31.9,25.3,20.1,12.7,9.4
1943,8.6,8.8,11.8,17.9,21.7,27.9,31.4,31.7,25.2,18.8,11.1,7.9
1944,9.1,9.6,12.8,17.7,22.6,26,32.9,31.3,25.4,19.7,13.5,8.4
1945,6.8,9.6,13.9,20.1,22,27.9,32.9,30.3,28.2,20.7,14.9,11.2
1946,9,11.2,13.2,15.6,19.4,28.3,35.6,32.8,27.6,20.2,12,8.4
1947,8.2,10.5,15.8,18,20.7,28.3,32.1,31.4,26.1,18.5,15.5,9.2
1948,8.6,11.1,13,15.7,20.8,29.1,32.9,32.5,27,18.7,14.7,11.1
1949,8.9,11.1,11.4,18.4,21,27,33.5,33.6,24.9,20.8,14.4,10.3
1950,8.4,11.2,15,17.2,20.5,27.9,33,30.7,25.9,17.6,14.2,9.5
1951,7.8,9.2,14.4,16.8,19.6,28,31.9,32.1,26.6,17.5,13.4,9.4
1952,7.2,9.7,15.6,15.2,21.7,28.8,32.4,31.7,24.5,20.8,13.9,9.9
1953,8.3,7.9,11.1,16.9,23.1,25.9,32,32.5,24.2,17.5,13.2,9.9
1954,7.3,8.1,12.1,13,22.6,27,31.8,31.6,26.5,19.8,13,8.9
1955,10.2,10.4,11.4,16.5,22.7,27.2,31.8,31.1,26.2,18.5,13.8,10.3
1956,8.6,7.4,10.7,13.7,20.5,26.4,31.2,30.3,24.6,19,10.7,7.6
1957,7.2,11,13.9,13.9,20.1,26.2,31.4,30.8,25.8,16.8,11.3,7.5
1958,8.3,11.2,14.3,15.5,22.2,26.4,31.7,30.6,26.4,19.5,11.7,10.1
1959,9.6,8.6,13.2,17.7,19.6,26.7,31.7,30.9,23.4,18.5,12.2,9.8
1960,8.8,11.7,13.2,15.7,21.2,25.5,31.1,31.2,25.2,18.3,14,8.1
1961,7.1,12.4,14.8,18.3,22.5,25,32.8,31.2,25.4,19,12.3,10.8
1962,9.6,8.7,11.4,16.4,22.1,26.3,31.9,32.3,25.6,18.5,11,9.5
1963,9.2,9.8,13.7,16.3,19.1,25.2,31.7,31.7,23.6,20.6,13.8,9.9
1964,8.3,11.2,13.5,15,24.4,26.9,32.5,31.9,27,20.1,12.5,8.1
1965,7.2,8.9,14.2,15.1,23.3,27,31.4,30.2,23.1,17,11.8,9.4
1966,10.5,12.6,12.6,18.3,22.4,27.7,30.5,31.7,26.3,17.2,10.2,8.6
1967,9,9,14,13.8,20.6,25.8,32.6,31.7,24.3,17.8,10.8,7.5
1968,8.1,8.7,10.8,15.1,21.1,26.2,31.5,29.8,26.2,20.7,13.1,9.1
1969,10.6,10.7,14,13.7,20.7,25.7,31.5,30.6,22.7,17.3,12.9,7.9
1970,10,11.6,11.8,16.9,22.1,25.6,32.4,31.5,26.6,18.3,12.7,8.9
1971,9.1,9.7,10.2,13.2,17,26,30.7,30.4,25,19.7,10.2,8.6
1972,7.6,10.2,11.1,15.8,19.8,24.2,31.1,28.7,23.5,18,12.4,8.2
1973,8.2,9.3,12.1,16.8,22.3,26,31.7,31.5,26.6,18.4,13.2,8.3
1974,9.1,9.7,11.1,14.4,21.6,25.7,31.9,31.4,25.4,17.3,13.3,10.4
1975,9.5,10.5,11.7,14.7,18.4,25.3,33.3,32.4,24,19.1,11.7,9.1
1976,8.6,9.2,11.3,13.2,19,27.5,31.9,30.9,25.3,17.8,12.4,10.2
1977,8.8,11.4,14.4,18.5,20.3,26.1,30.6,30.7,24.9,17.7,11.4,10.1
1978,8.2,12.1,14,15.7,19.1,25.3,32.5,29.9,27.2,18.2,12,11.3
1979,10.5,10.7,11.9,16.3,21.4,26.3,31.6,31,26.3,17,13.2,9.4
1980,9.2,10.5,12.1,16.3,20.5,26.3,32.5,32.5,26.3,18.5,12.1,7
1981,8.9,9.6,15.4,14.6,20.6,27.9,32,29.7,25.8,20.4,14.2,10.6
1982,9.5,10.3,13.9,16.1,21.3,28.3,33.1,31,27.1,20.6,12.2,7.3
1983,9,9.8,15.6,17.4,20.5,28.3,30.9,30.9,26.9,20.5,14.2,10.3
1984,8.1,10.7,11.9,18.6,17.4,27.3,33.4,30.5,25.9,18.4,11.9,9.7
1985,7.8,11.9,13.2,16.5,19.3,27.5,31.8,32.5,26.5,20.2,13.7,9.2
1986,8.5,10.1,12.8,14.2,23.7,26.1,32.7,31.7,26.2,18.3,13,8.5
1987,9.8,11,14.6,19.4,21.8,27.8,30.7,31,28.1,18.3,12.5,10.7
1988,8.3,10,13.6,17.2,19.6,24.6,33.4,33.2,27.7,18.9,12.5,8.6
1989,7.7,9,13.8,14.7,22,26.8,32.1,31.2,25.8,19.6,12.7,11.7
1990,7.8,12.8,13.9,14.8,21.9,27.4,32.5,31.7,27,19.5,14.1,9.4
1991,8.6,8.7,11.6,16.1,20.9,28.9,32.2,32.7,25.9,17.3,12.9,8.9
1992,8.5,9.5,11.6,16.6,21.8,23.9,32,31.8,26.7,17.9,12.9,10.1
1993,8.5,8.6,12.6,16.2,20.2,27.8,32.7,31.1,22.9,17.5,11.4,9.7
1994,8.3,10.2,13.6,16.7,22.2,28.4,33.6,32.2,25.3,18.8,13.7,10.4
1995,9.2,11.5,12.8,14.3,24.9,26.6,32.1,31.5,24,20,14.7,11.1
1996,10.1,9.4,12,17.4,20.8,26.8,31.9,30.1,24,20,13.1,10.3
1997,10.2,12.6,14.3,16.7,21.5,26.5,30.9,29.5,25.4,20.3,14.2,10.8
1998,7.8,11.6,14.4,17.7,19.8,28,32.3,32.8,25.4,19.7,13.6,9.4
1999,9.1,8.7,12.2,18.7,23.7,28.5,32.4,32,25,18.8,11.8,9.3
2000,8.2,12.4,15,15.4,21.3,29.3,33.2,32.7,25.7,17.5,12.9,10.8
2001,9.9,10.7,16,18.9,21.9,30.4,32.4,31.6,23.7,21.2,13.3,11.7
2002,11.1,12.3,12.9,16.3,22.2,28.5,32.6,30.3,25.4,20.7,14.4,11.6
2003,8.5,10.4,14.6,17.2,23.9,28.7,33.1,31.6,27.4,18.7,12.6,10.1
2004,9.2,10.3,12.8,16.6,19.1,28.5,32.9,32.6,26.9,20.7,12.4,9.5
2005,8.4,8.3,14.5,19.2,25.1,28.9,33.2,33.1,26.2,20.4,13.1,9.9
2006,7.7,9.2,15,18.6,23.4,27.7,33.8,32.2,26.8,20.7,14.2,9.3
2007,10.2,11.6,13.7,15.7,22.1,28.6,33.9,31.9,25.2,19.5,14.4,9.8
2008,10.4,10.8,15,19.1,20.3,29.4,33.5,32.6,24.9,17.4,10.6,8.5
2009,7.4,9.7,13.8,16.8,23.2,27.3,34,33,23.5,22.1,15.9,12.2
