1901,5.3,7.5,12.2,17.3,20.2,23.6,23.7,23.4,22.1,18.8,11.5,7.4
1902,7.8,8.6,13.7,16.2,20,22.5,22.8,23.6,22.1,17,10.8,6.9
1903,6.5,7.1,11.1,16.9,20.8,22.6,24.2,23.2,22.8,18.1,11.6,7.3
1904,6.7,8.5,12.6,17.6,19.4,22.4,22.9,22.9,22,17.7,10.3,7.1
1905,4.8,6.3,9.3,14.2,20,23,23.3,22.7,22.3,18.2,11.7,6.9
1906,5.8,6.3,10.8,17.5,21.4,22.3,23.6,22.6,22.8,17.9,12.4,7.7
1907,8.1,6.4,9.1,14.8,19.4,22.5,23.7,23.6,22.7,18.6,11.6,7
1908,5.4,7.5,12.8,19.2,20.7,23.4,23.2,23.5,22.5,18.2,10.8,6.3
1909,6.7,7.2,14.4,15.8,20.6,21.6,23.4,23,23.3,19.1,13.3,7.6
1910,6.5,7.5,12.6,16.7,19.9,21.5,22.2,23.2,22.2,17.4,10.9,6.7
1911,7.2,7.4,10.5,16.6,20.8,21.8,23.7,23.1,21.7,17.4,10.6,6.3
1912,6.6,8.6,11.6,15.1,19.7,22.2,22.8,23,21.6,17.7,10.1,6.6
1913,6.4,6.8,10,17,18.7,20.8,22.9,23.1,22.5,17.6,10,6.1
1914,7.3,7.4,11.2,15.1,19.7,22.1,23.1,22.8,21.6,16.1,11,7.5
1915,7.2,7.2,11.5,16.4,20.4,21.8,23.5,23.3,22.2,20.3,12.9,7.2
1916,6.4,7.4,15,17.2,21.1,21.7,22.5,22.9,22,17.9,12,6.4
1917,6.2,7.1,11,14.5,18,21.4,22.9,23.1,21.4,17.2,12,6.8
1918,5.4,7.6,12.5,15.5,21,21,23.4,22.4,22.3,17.9,10.8,5.7
1919,6.2,6.5,12.6,15.1,19.2,22.2,23,23.1,21.6,17.7,11.5,6.7
1920,7.2,7,10.8,16.2,18.2,21.6,23.1,23,22,18.1,11.8,8.1
1921,6.8,6.9,14.5,17.5,22,21.3,22.8,22.8,21.2,15.8,11,6.1
1922,6.4,8.5,14.2,18,21.8,21.7,23.1,22.7,21.9,17.1,11.4,6.6
1923,6.8,6.9,13.2,18,20.4,23.4,23,23.6,22,17.1,11.7,7.1
1924,5.8,7.6,14.3,18.1,19,24.3,23.2,23,21.4,18.5,11.3,7.7
1925,5.1,6.1,12.7,17.5,19.7,21.3,22.8,22.9,21.8,17.3,10.6,6.8
1926,6.2,8.2,10.4,14.4,19.2,23.7,23.3,23,22.5,17.9,9.8,7.2
1927,5.5,6.9,11,16.4,19.3,22.4,23.3,22.8,22.1,17.7,10.9,7.7
1928,5.5,7.6,12.7,16.5,20.9,22.1,23.3,23.5,23.4,18.5,11,7.3
1929,6.3,6.8,13.6,16.7,21,22.1,23.1,22.8,22.1,17.2,11.6,6.2
1930,5.4,7,13.2,16.6,20.5,21.5,22.9,22.9,22.6,17.5,11.1,6.3
1931,7,6.8,12.4,18,20.2,23.4,23.1,23.7,21.5,17.9,11.2,7.7
1932,7.7,6.8,13,16.9,19.7,23.1,23.3,23.1,22.5,18.3,12.9,6.3
1933,4.9,8.3,13.4,15.3,18.4,22,22.9,22.7,22.1,17.9,12,7.5
1934,5.7,8.1,12.2,17.6,20.2,21.5,22.9,23.1,22.9,17.7,11.5,7.3
1935,5.5,8.2,13.3,15.4,21.8,23.7,22.9,22.6,22.5,17.5,11.9,6.8
1936,6,7.5,13.2,16.9,21,20.7,22.6,23.2,22,17.9,12.5,7.4
1937,6.3,7.4,12.6,16.9,20.4,22.8,23.5,23.2,23,17.7,11.2,7.2
1938,6.7,6.4,14.1,18,20.7,21.5,22.3,23.5,23.2,18.2,9.9,7.1
1939,6.9,8,10.9,17.5,21.4,21.6,22.9,23.4,22.1,17.6,11.9,8.2
1940,6.8,7.9,9.7,16.4,20.4,22.6,22.9,23.3,21.7,18.3,12.2,7.5
1941,7.4,9.2,14.6,18.4,20.8,21.1,23.6,23.3,22.5,18.6,11.8,9
1942,7,7.5,14.1,17,20.6,23.5,22.8,23,22.2,18.4,12.5,7.2
1943,7.7,7.9,13.3,15.8,21,23.3,22.8,23.1,22.8,18.2,12.8,8.2
1944,6,7,12.3,15.3,21.5,22.7,22.9,23.3,22.8,18.2,12.4,8.7
1945,5.8,6.8,13.4,16.4,20.3,23.4,23.5,23.7,22.9,17.8,11.5,6.5
1946,7.4,9.8,13.1,16.8,20,22.1,22.7,24.2,23.1,18.6,12.4,8
1947,6.1,8.1,13.5,18.8,20.7,23.8,23.9,23.8,22.8,18.3,12.6,8.1
1948,6.5,7.9,12.6,18.2,21.6,23.8,23.1,23.4,22.8,18.4,12.6,7.4
1949,7.6,7.6,13.2,16.5,19.7,22.8,23.1,23.7,22.2,18.8,11.5,6
1950,7.4,7.2,11.6,17.2,20.8,21.7,22.9,23,22,18.2,12.1,7.5
1951,5.9,8.4,13.4,16.5,21.6,22.9,22.9,23.8,22.1,19.5,12.3,6.5
1952,6.6,8.9,11.6,17.2,20.5,22.3,23.3,23.2,22.5,18.8,11.5,7.6
1953,5.8,8.5,15.3,18.2,21.7,22.8,22.8,23.5,22.3,17.5,10.8,8.4
1954,6.2,9.7,13.7,18.1,22.3,22.4,23.1,23.1,22.9,17.3,10.9,6.8
1955,6.7,7.8,14.5,16.7,20.6,22.7,23.2,23.6,22.8,19.2,12.5,8.2
1956,7.2,7.1,14,18.4,22.1,22.6,22.8,23.5,21.6,19.5,12.5,8.2
1957,8.3,7.4,11.2,17.3,21.4,22.3,23.7,24,22.4,18,11.9,8.3
1958,8.8,8.1,12.7,18.3,21.1,22.9,23.3,23.4,23.4,18.6,11.7,9
1959,7.2,6.8,12,17.6,20.7,21.7,23.4,23.5,22.1,19.4,12,7.9
1960,5.6,8.4,11.4,16.3,20,22.3,23.1,24.1,22.3,18.1,10.8,7.6
1961,7.5,7.8,12.9,17.1,20.9,22.3,23.6,23.8,22.6,18.8,12,6
1962,5.8,8.3,11.8,16.2,20.2,22.4,23.4,23.1,21.4,17.6,11.7,7.6
1963,4.9,7.2,11.9,16.5,19.9,22.1,22.9,23.4,20.7,18.6,12.7,7.2
1964,5.2,7.3,13.2,17.9,18.8,22.3,22.9,23.5,22.2,18.9,11.4,6.2
1965,5.8,6.6,11.1,16.1,20.6,21.9,22.5,21.3,19.8,17.4,11.5,4.9
1966,6.6,8.4,13.1,17.2,20.7,23.2,22.5,23,20.5,16,11.9,6.4
1967,5.4,7.8,11.5,16,20.4,21.9,22.6,23.6,21.5,16.2,10.4,7.7
1968,6.5,6.5,12.2,16.6,20.1,22,22.8,23.1,21.6,17.8,12.7,8.7
1969,7.5,7.8,13.9,18.1,20.2,22.4,23.4,22.9,22.5,18,13,7.8
1970,7,7.8,12.2,16,21.5,22,23.2,23.6,22.5,19.4,12.2,7.2
1971,6.8,6.6,12.2,15.6,18.6,22,22.8,22.5,22,18,10.8,6.5
1972,6.9,6.1,12.7,15.5,20.1,21.2,22.1,22.4,20.9,16.6,11.5,7.2
1973,7.7,8.5,11.1,17.4,19.7,22.6,22.6,23.1,23,19.1,11.8,6.4
1974,6.2,7.1,12.8,17.6,20,22.1,22.3,22.9,21.6,19.3,10.7,7.3
1975,6.2,7.7,12.1,16.3,19.7,21.7,21.9,22.7,23.1,19.2,10,6.6
1976,6.9,8.8,12.7,16.7,19.4,21.5,22.5,22.3,22.2,16.2,12.1,5.9
1977,6.1,7.7,12.9,16.4,18.4,21.7,23.4,23.2,22.4,17.5,13.3,8.3
1978,5.2,7,10.5,15.6,20.6,22.3,22.8,23.7,22.3,18.3,12.4,8.5
1979,7.4,8.1,11.8,17.5,20.3,22.3,23.2,23,21.5,18.2,14.3,9.8
1980,6.9,8.3,12.8,17.7,21.5,23,23.7,23.1,22.7,17.4,11.7,8.5
1981,6.7,7.9,12.6,17,20.8,22.6,23.8,23.2,22.1,17.1,11.5,6.9
1982,7.8,8.5,11.4,16.8,19,22.1,23.9,23.7,21.3,18.3,12.7,8.3
1983,6.6,9.5,11.4,16.5,19.5,22,22.1,23.1,23.6,18,10.8,8.1
1984,5.6,7.7,13.4,17.7,20.4,23.5,23.5,22.5,21.4,18.6,10.4,8.4
1985,8.1,7.6,14.2,17.5,20.8,22.6,22.7,24,22.8,17.9,11.8,9.5
1986,7.3,7.7,12.7,16.7,18.5,21.9,22.4,22.8,21.6,17.5,12.5,7.4
1987,6.3,9.2,12.4,16.5,19,22.3,22.6,23,22.8,18.6,11.4,8.9
1988,7.9,9,13,17.3,20.6,21.9,24,23.4,23,17.8,11.7,10.1
1989,5.6,7.7,13.4,15.9,20.8,22,22.3,23.1,23.5,18.8,11.7,7.1
1990,7.3,8.3,14.4,17.8,19.7,23.3,23.1,23.7,23,18.5,12.6,7.7
1991,7,9.1,14,16.7,20.8,21.9,23.4,23.5,22.6,17.6,10.8,7.7
1992,7.3,7.3,14.2,17.8,19.1,22,22.6,23.7,21.6,17.9,12.3,8
1993,8,9.7,11.5,16.1,20,22.4,23.3,23.1,22.9,18.5,12.4,8.6
1994,8.6,8.7,13.9,17,20.5,23.1,23.4,23.7,23.6,17.1,12.8,8.1
1995,6.5,8.7,13,16.9,21.4,22.9,23.2,23.6,22.7,18.3,12.7,9.4
1996,8.3,8.8,15,16.8,21,22.1,23.2,22.8,23.5,18.7,12.4,7.5
1997,6.6,7.2,13.3,16.5,19.3,21.9,24,23.4,23.1,17.2,13,8.8
1998,7.5,8.8,12.4,16.5,20.6,23.5,23.5,23.9,23.8,20.8,15.2,9.4
1999,8,11,13.9,17.5,22,23,23.4,23.7,22.9,20.2,13.6,10.2
2000,8.7,8.6,12.7,17.9,21.5,23.9,23.9,24.2,22.7,19.7,14,8.6
2001,7.9,10.2,13.2,17.7,21,22.8,23.6,24,23.4,19.9,13.6,9.3
2002,7.9,10,14,18.1,21.4,23.4,24.1,23.9,22.6,18.9,13.3,9.6
2003,7.3,9.4,13.3,18.3,20.1,23.3,23.7,24,23.4,19.4,13.2,9.7
2004,8.2,8.7,15.1,18.8,20.5,22.7,23.4,24.2,23.5,18.6,12.9,9.2
2005,8.5,10,15,17.7,20.5,23.6,24,24.2,22.8,19.1,13.2,7.6
2006,10.1,11.1,14,16.8,21.1,23.1,22.8,24.3,22.4,19.7,14.8,9.2
2007,7.7,8.5,13.2,18.5,21.1,22.7,23.9,24.4,23.5,19.7,13.4,8.9
2008,9.3,7.3,14.5,17.7,20.9,23.1,21.6,24.1,22.7,19.6,13.8,9.5
2009,8.2,10.2,14.7,17.9,20.4,22.2,24.1,23.8,22.1,19.1,13.1,9.6
