1901,6.4,9.4,14.9,21.4,24.8,28.5,27.1,26,24.7,21.5,14.1,9.1
1902,9.8,11.5,16.7,20.8,24.9,26.9,25.7,26.1,24.7,19.3,13.1,8.9
1903,8.3,9.3,13.8,21,25.7,27.3,27.7,26,25.2,20,13.3,9.2
1904,8.7,11.4,15.2,22.5,23.8,26.3,25.5,25.4,24.4,20.2,12.3,8.7
1905,6.1,8.2,11.6,18.1,24.2,27.8,26.1,25.7,24.7,20.5,13.7,8.6
1906,7.3,8.2,13.3,21.8,26.2,26.6,26.3,25.5,25,20.3,14.5,9.9
1907,10.4,8.2,11.4,18.8,23.6,27.1,27.1,26.1,25.6,21.5,14.3,8.6
1908,8.1,10.6,15.6,23.8,25.4,27.8,25.9,25.7,25.1,20.8,12.8,8.3
1909,8.7,9.4,17,19.5,25.3,25.1,26,26,25.5,21.3,15.5,9.5
1910,8.9,10.1,15.6,21.2,24.4,25.4,25.2,25.6,24.5,19.5,12.7,8.5
1911,9.2,10.5,12.7,20.8,25.9,25.5,27.3,25.9,23.9,19.9,12.6,8.3
1912,8.4,11.3,14.6,19.7,23.8,26.7,25.7,25.4,23.9,20.2,11.9,8.4
1913,8.6,9.2,12.6,21.7,22.9,24.2,25.8,26,25.1,20,12,7.7
1914,9.9,9.8,13.6,19.5,23.5,25.8,25.6,25.5,24.2,18.6,13.3,9
1915,9.3,9.4,14,20.7,25.3,26,26.6,25.8,24.6,22.6,14.8,9.2
1916,8.7,9.9,18.1,21.9,26,24.8,25.4,25.5,24.3,20.3,13.8,8
1917,8.3,9.8,13.6,18,20.9,25,25.7,25.7,23.5,19.5,13.6,8.6
1918,7.5,10.9,15.5,19.4,24.8,24.6,27.2,25.5,24.9,20.5,13,7.5
1919,7.8,9,14.9,19.1,23.5,26.1,25.6,25.7,24.1,19.9,13.3,8.4
1920,9.7,9.2,13.4,20.8,22.3,26.1,25.6,25.7,24.5,20.6,14,10.4
1921,8.6,9.5,17.7,22.5,27.4,25.9,25.9,24.9,23.4,18,12.8,9.1
1922,7.8,11.5,16.9,21.6,26.5,25.6,25.9,25.1,24,19.2,13.4,7.8
1923,9.1,9.1,15.7,22.5,25.3,28.5,25.9,26,24.5,19.4,13.6,9.1
1924,7.8,10.4,17.1,22.4,23.5,29.5,26,25.5,23.7,20.6,13.3,9.5
1925,6.8,9.7,15.3,21.8,24.5,25,25.4,25.8,24.4,19.9,12.6,9
1926,8.2,11.2,13,18,23.4,29.1,26.5,25.8,24.6,20,11.7,9.1
1927,7.6,8.9,14,20.9,23.6,27.1,26.2,25.4,25,20.3,13.2,10
1928,7.9,10.5,15.6,20.4,25.8,26,26,26.7,25.8,21.4,13.6,9.2
1929,8.3,9.6,16.4,21.3,26.3,26.7,25.9,25.2,24.7,19.6,13.8,8.4
1930,7.3,9.8,16.4,20.9,24.9,26.3,25.7,25.8,25.1,20.1,13.1,9.2
1931,9.9,8.8,14.7,22.9,25,28.4,26.1,26.6,24.3,20.1,13.4,9.7
1932,10.3,9.2,15.9,21,24.8,27.9,26.4,25.7,24.8,20.6,14.6,8.9
1933,7.2,10.7,15.8,18.9,22.5,25.8,25.7,25.8,24.5,20.1,14,9.7
1934,7.8,11.5,14.6,21.8,25.2,25.9,25.8,25.4,25.1,20.1,13.7,8.5
1935,6.6,10.5,15.6,18.4,26.2,28.1,25.7,25.1,24.5,19.8,13.7,8
1936,7.4,9.5,15.4,20.3,25.1,24.2,25.1,25.2,24.1,19.8,14,8
1937,7.6,9.6,14.4,19.3,24.4,26.5,26.1,25.5,24.8,19.4,12.4,8.4
1938,7.9,8.5,16.7,22.1,25,24.7,25.2,25.6,25.2,20.6,12.1,9.8
1939,9.1,9.7,12.8,20.6,26.2,25.7,25.7,25.8,24.5,20.1,13.9,9.8
1940,8.6,9.6,12.4,20.2,25.1,27.1,26,25.9,24.2,20.8,14.7,8.2
1941,8.1,11.2,17.5,23.4,25.4,25.6,26.9,26.2,25,21.3,13.9,10.7
1942,8.2,11.1,16.9,21.5,25.7,27.9,25.8,25.5,24.4,20.8,14.9,8.7
1943,9,10.8,16.3,19.4,26,27.1,26.1,25.3,25.3,20.7,15.2,10
1944,7.5,9.3,14.4,19.4,26.7,26.4,25.9,26,25.1,20.5,14.5,10.8
1945,6.9,9.4,15.9,19.6,25.1,27.7,26.4,26.4,24.9,19.7,14,8.2
1946,10.3,12.5,15.4,20.8,23.7,26.1,25.7,26.5,25.5,20.5,14.4,10
1947,7.8,11.1,16.2,22.8,25.5,28.2,26.2,26.3,25.2,20.2,14.7,9.9
1948,9.2,10.1,14.7,22.7,26.2,28.2,25.9,25.6,24.7,20.3,13.7,8.7
1949,10.4,10.2,15.8,21.1,23.6,27.6,25.9,25.9,24.9,21.2,13.3,7.8
1950,9.4,9.7,14.2,21.1,25.3,26.1,25.6,25.5,24.5,20.4,14.1,9.3
1951,7.4,10.8,15.3,19.7,25.2,27,26.7,26.3,24.7,22.4,14.7,9.2
1952,9.7,12.2,14.2,21.7,25.3,26,26,25.6,25.3,21.2,14,9.8
1953,7.5,12.4,18.3,22,25.8,27.3,25.5,25.7,24.9,20.3,13.8,10.6
1954,7.5,11.4,16.2,22.5,26.7,26.9,26.3,25.9,25,19.3,13.5,8.5
1955,8.6,11.1,17.3,20,25.2,27,26,26.2,25.3,20.9,13.8,9.7
1956,9.2,9.9,16.1,22.3,26.2,26.2,25.6,26,24.3,20.9,13.6,9.8
1957,9.6,9.9,14.2,20.7,25.1,26.4,26.7,26.6,24.7,20.5,14.5,10.4
1958,10.5,10.9,16,22.8,25.9,27.6,26.6,26,26,20.7,14.5,10.8
1959,9.4,9.3,15.2,21.7,25.5,26.9,26.4,26.4,25.7,21.8,14.2,10
1960,7.6,11.9,14.5,20.6,25.1,27.4,26.1,26.7,25.2,20.4,12.8,9.4
1961,9.2,9.4,16.3,21.5,25.4,26.5,26.6,26.4,25.8,20.8,13.7,7.3
1962,7.4,10.8,15,20.9,25,27.8,27,25.8,24.5,19.7,14.2,9.8
1963,6.9,10.7,14.3,20.7,24.2,26,26,26.2,23.9,21.1,15.6,8.7
1964,7.1,10.2,16.6,22.2,23.1,26.7,25.7,26.3,24.9,20.9,13.1,8.8
1965,8.8,9.4,13.9,19.9,24.6,27.6,26.1,24.7,23.5,20.4,14.2,7.3
1966,8.6,11.9,16,22,25.4,27.1,26.3,25.9,24.3,19.7,14.7,8.3
1967,7.5,11.1,14.4,20.4,24.8,27,25.8,25.6,24.7,19.1,13.2,9.5
1968,7.9,8.7,14.5,20.4,24.8,26,25.7,25.7,24.6,20.3,13.9,10
1969,8.8,11.4,17,21.8,23.8,27.1,25.7,25.3,24.5,20.4,14.9,9.2
1970,8.7,10.2,14.7,21,25.4,25.4,25.9,26.2,25.1,21.1,13.5,9.2
1971,8.4,9.6,14.8,20,22.4,25.7,25.5,25,24.1,20.8,13.4,9.2
1972,9,8.5,15.9,19.6,25.2,26.9,25.9,25.3,23,19,13.7,9.8
1973,9.2,11.4,14.4,22.5,24.9,27,26.2,25.8,24.5,20.6,13.8,8.5
1974,7.8,9.6,16.4,22.2,24.9,26.2,25.5,25.6,23.9,22.1,12.8,8.4
1975,7.6,10.1,14.7,20.4,25.3,25.9,24.6,25.5,25.5,22.1,12.4,8.8
1976,9.3,11.1,15.4,20.1,23.8,25.8,25.8,25.1,24.6,19.9,15.3,8.9
1977,8.5,10,15.8,21,22.6,25.9,25.7,25.6,24.4,20.1,15.7,9.6
1978,7.6,9.7,13.1,20.4,25.8,26.6,25.8,25.6,24.2,20.6,14.6,10.1
1979,9.2,10.2,13.9,21.5,24,26.3,26.2,26.1,24.3,21.7,18,11.5
1980,8.8,11.1,15.1,21.9,26.5,25.8,25.9,25.2,24.6,20.4,14.3,10.6
1981,8.6,10.5,15.1,20.7,24.2,26.5,26.4,25.6,24.5,19.9,13.8,8.6
1982,10.1,10.8,12.8,20.2,22.9,25.9,27,25.8,23.6,21.2,15.4,10.6
1983,8.3,10,14.2,19.3,23.6,26.2,25.6,25.9,25.4,20.2,12.7,9.7
1984,7.7,9.2,16,21.3,25.5,26.9,25.9,25.5,24,20.3,12.8,10.1
1985,9.2,10.8,17.3,21.6,25.2,26.9,26,26.2,24.5,19.5,14,11.1
1986,9.4,10.8,15,20.7,22.4,25.6,25.2,25.1,23.8,19.8,14.6,8.5
1987,8.9,11.8,16.3,21.4,23.2,27.7,26,25.9,25,21.2,14.4,11.3
1988,10.3,11.6,15.4,21.8,25.5,25.7,26.3,25.8,25.2,20.7,13.9,10.3
1989,7.3,9.8,15.4,19.9,24.4,25.1,25,25.4,25,20.5,13.5,9
1990,9.6,10.9,14.3,20.6,24.1,26.8,25.6,25.9,25.1,20,14.2,9.3
1991,7.4,11.2,15.9,20.1,25.3,25.4,26.7,25.7,24.6,19.1,13,9.1
1992,8.5,9.1,15.9,21.2,23.1,26,25.8,25.6,23.6,20.2,14.7,9.6
1993,8.5,11.7,13.2,19.3,24.2,27.5,25.8,25.4,25.4,20.7,14.6,9.7
1994,10.8,11.1,17.3,20.7,25,27.1,26,26.4,26,20.1,15.6,10.6
1995,7.4,11.4,15,21.1,25.8,27.9,27.1,26.3,24.6,21.4,14.9,11.9
1996,10.1,11.8,17.4,20.9,25.3,27.9,26.3,25.5,26.4,21.1,13.7,8.6
1997,7.9,9.3,15.8,21.2,23.2,25.2,27,25.6,25.8,19.4,15.1,9.6
1998,8.7,11.2,14.1,21,25.2,27.8,26.5,26.3,26.4,22.1,17.4,11.2
1999,9.2,13.8,16.4,21.1,25.9,26.8,26.9,26.5,25.3,22.6,16.6,11.2
2000,10.3,10.4,14.5,22.7,25.2,26.6,26.7,26.7,25.3,22.4,16.1,10.3
2001,9.1,12,15.5,20.6,24.7,26,26.7,26.8,26.3,22.5,16.2,11.3
2002,9.4,11.8,16,22.3,26.2,27.6,27.7,26.9,24.9,21.8,15.9,11.3
2003,9.3,11.2,14.6,22.1,24.5,28.4,26.8,26.7,25.4,21.5,15.6,10.8
2004,9.3,10.7,17.7,23.5,25.5,25.6,26.8,26.6,26.1,20.8,15.3,11.9
2005,10.3,11.3,17.1,21.2,23.7,28.7,26.1,26.5,25.7,21.3,15.3,9.1
2006,11.6,14.2,15.2,21.6,25,27.2,25.7,26.9,25.4,22.6,16.6,10.5
2007,8.7,9.9,14.3,21.9,24,26.6,27.1,26.8,26.5,22.1,15.4,10
2008,11.4,9.8,17.4,20.1,25,25.5,25.1,26.1,26,22,16.2,11.9
2009,9.9,13.2,16.7,22.2,25.6,27.5,27.3,26.7,24.5,21.7,16.5,11.5
