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