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