1901,4.6,10.4,13.6,16.3,17.7,21.7,23,22.8,21.1,17.5,11.8,8.6
1902,4.5,9.5,10.7,15.9,20.7,22.2,23.6,23.8,22.8,18,10.7,6.2
1903,3.8,5.3,8.8,16.5,19.4,21.2,22.5,23.5,20,17.1,11.4,8.8
1904,6.3,8.6,11.5,15.2,19,21.4,22.2,23.6,20.1,18.2,9.8,5.6
1905,4.8,5,9.2,15.5,20.2,23.4,23.9,23.5,22.2,19.6,14.9,7
1906,5.9,8.4,12.4,16.6,21.2,24.6,24.3,24.8,20.2,18.7,13.9,9.7
1907,8.1,8.8,9.3,14.9,19.8,22.8,23.2,23.7,20.5,17.8,12.2,9.3
1908,6.9,9.2,12.4,17.7,20.1,22.5,23,22.7,21.3,19.3,12.2,7.3
1909,6.4,8.6,14.5,15.1,22.4,24.2,25.1,24.1,22.5,19.2,14,10
1910,6.4,8.4,8.5,18.2,20.6,22.8,24.7,24,22.3,16.9,12.5,7.4
1911,7.2,6.6,10.8,16.2,20.7,22.2,23.5,22.4,20.9,18.3,13.6,7.8
1912,6.1,9.4,12.1,16.1,19.6,21.3,22.4,22,21.8,17.5,13.3,7.5
1913,6.3,6.9,9.8,16.4,18.2,20.9,23.3,22.2,21.6,17.3,11.4,6.6
1914,7.6,7.8,13.1,13.4,20.6,22.6,22.9,24,21.1,17.5,14.2,9
1915,9.4,10.6,12.8,16.4,19.9,23.8,24.8,24.7,22,19.5,14.7,10.4
1916,5.7,9.6,14.9,17.6,21.3,25.3,25.4,23.9,20.7,17.3,15.6,10.3
1917,7.9,8.4,13.5,18,18,21.8,23.5,24,21,17.3,17.1,8.1
1918,5.1,6.9,11.3,16.5,19.8,22.9,25.1,22.8,21.9,20.3,15.2,8.7
1919,8.9,10.4,14.6,17,18.9,21.8,24.8,22.5,21.9,20,15,7.5
1920,5.9,5.1,10.5,17.5,19,22.4,23.5,25.3,21.4,18.8,12.3,7.7
1921,6.5,6.6,9.3,18.3,19.3,23.3,24.6,25.2,20.5,18.2,12.8,8.8
1922,6.8,8.4,12.1,17.7,19.3,22.5,24,23.6,22.6,20.1,16.1,7.3
1923,8.5,8.2,11,15.3,20.3,25,23.3,23.8,21.7,18.7,14.3,8.3
1924,6.2,10.1,12.8,18.2,19,23.1,24.2,24,22.3,18.2,12.2,8.1
1925,3.2,6.7,13.9,15.5,20.5,22.4,24,23.7,23,19,14.9,9.7
1926,6,8,10.5,16.6,22.9,23.9,23.4,22.6,19.8,18.2,13.4,8.4
1927,7.4,5.4,12.2,15.5,21.6,22.6,24.7,23.9,21.9,20.8,14.9,10.6
1928,9.6,7.3,11.9,18.2,23.3,23,22.8,24.2,22.9,17.8,13.3,9.6
1929,5.9,7.6,11,16.4,23.3,23.4,23.1,23.5,23.5,17.5,14.4,6.8
1930,5.5,7.9,11.5,17.3,20.8,23.1,24.9,25.1,22.9,18.8,12.7,11.6
1931,8.3,8.5,12.8,16.9,20.1,22.5,24.6,25.1,22.8,19.3,13.2,8.4
1932,6.1,8.7,12.1,17.4,19.2,24.3,25.1,24.7,22.3,20.8,14.2,8.1
1933,6.8,9.7,12.7,14.1,20.8,24.9,23.2,22.8,19.9,17.1,16.9,10.1
1934,7.3,5.8,13.3,17.1,22,23.5,23.5,24.4,20.9,19.9,15.7,8.2
1935,7.9,8.1,13.1,16.1,23.1,24.7,23,23.9,21.4,20.2,12,8.3
1936,7.7,9.9,13.9,18.6,21.7,22,24.8,24,20.6,20.9,16.1,7.5
1937,4.9,9,13.9,18.3,20.8,22.2,24.5,23.7,24.1,19.9,14,10.5
1938,7,7.9,8.3,17.7,20.4,21.2,24.1,25.3,22.2,18.8,13.1,9.8
1939,6.8,7.9,12,17.3,23.4,22.9,24,23.5,23.3,21.4,13.2,9.9
1940,7.3,9.1,11.2,17.5,21.4,24.3,24.8,22.9,22,19.8,13.1,8.8
1941,8.7,11.7,12.3,17.9,22.5,23.4,24.4,24.9,21.5,17.8,14.8,6.7
1942,6.5,9.9,13.2,18.2,22.1,23.5,24,23.3,20.3,19.1,14.3,9.6
1943,6.1,6.8,9.8,13,20.2,21.6,23.9,24.4,22,20.6,16.6,11.1
1944,5.9,8,12.6,17.4,18.6,25,24.4,24.1,22.1,20.4,13,8.3
1945,6.4,5.9,8.8,14.5,21,21.2,24.2,25.7,21.9,17.4,13.8,6.7
1946,7.5,6.9,11.2,16,19.9,22.5,22.9,24.4,23.5,19.6,16,9.3
1947,5.9,9.7,13.1,17.1,22,22.5,23.5,23.3,21,18.3,12.9,11.5
1948,8.1,8.3,8.7,15.1,20.2,23.5,23.9,23.8,21.4,17.4,13.1,6.2
1949,5.3,5,11,12.6,23,22.5,22.8,23.4,19.9,18,16,8.2
1950,6.3,7.1,11,18.5,20.6,21.6,23.9,24.4,22.4,18.1,13.6,10.9
1951,7.3,7.8,12.6,15.3,21.7,22.2,23.2,23.6,22.8,18.3,11.2,6.1
1952,6.7,8.1,9.8,15.4,19.7,21.3,23.2,24.9,23.5,19.2,11.9,9.7
1953,6.8,8.8,8.8,15.7,21.3,23.5,25.3,23.5,20.6,18.6,10.6,6.2
1954,4.9,7.9,13,15.9,20.5,22.2,24.1,24.5,20.7,18.4,11.9,7.6
1955,6.9,10,11.8,16.7,20.3,23.2,24.5,22.8,21.9,18,12.1,6
1956,6.5,9.4,11,17.2,18.6,23.6,24.8,25,22,17.6,13,7.7
1957,4.4,7.5,10.7,15.1,21,22.6,24.1,24.8,24.1,19.6,13.8,8.3
1958,6.3,7.8,12.5,19.6,20.6,23.2,24.4,24,20.8,17.2,13.7,10.3
1959,5.9,4.6,9.9,16,20.9,22.7,22.7,23,20.1,15.4,11.6,7.7
1960,6.2,8.7,11.7,17.1,20.2,22.3,24.1,24,21.9,20.2,13.9,12.9
1961,7.3,5.1,8.6,16.2,20.1,24.7,24.2,23.7,19,16.7,11.6,6.6
1962,6.6,7.8,14.8,16,20.6,23.8,24.1,25.4,21.9,19,16.2,7
1963,7.8,9.4,10.6,18.3,21.3,24,24.1,24.7,23.1,20.1,13.1,8.4
1964,4.6,6.2,12.4,16.9,18.1,21.9,23.1,23.6,19.4,17.1,11.8,7.8
1965,7,8.7,11.9,14.7,18.3,23.1,25.7,24,21.1,15.7,11.8,6.8
1966,6.3,7.4,10.9,16.9,20.2,23,23.2,22.9,20.7,18.3,16.2,8
1967,4.7,7,8.6,15.3,19.3,22,22.4,22.8,20.3,16.1,10.6,7.8
1968,5,8,10.5,14.4,21,24.4,24.8,24.1,22,16.8,12.7,8
1969,5.7,11,15.4,15.8,20.5,22.4,22.8,24.1,23,19.2,13.3,8.7
1970,7.8,8.8,12.1,17.9,20.6,20.7,23.7,22.6,21.4,16.7,12.8,5.7
1971,8.3,8,13.4,14.8,20.7,23,22.4,23.8,22.1,16.9,11.9,6.9
1972,5.9,7.3,10.7,18.1,21.1,22.6,23.7,23.9,22.8,19.3,12.2,6.6
1973,6.4,10.7,10.4,16.9,20,22.3,24.3,22.8,21.2,18.5,10.3,8.3
1974,5.3,8,12.3,16.4,19.4,22.3,23.9,22.7,21.2,18.6,12.2,6.7
1975,4.4,7.1,12,18.4,20.1,21.8,23.8,22.4,21,17.5,12.4,7.1
1976,5.7,6.8,11.9,16.4,20.4,21.6,23,21.8,21.9,19.7,13.9,8.9
1977,6,10.6,10.1,15,20.6,23.9,24.2,24.8,21.4,16.3,12.1,5.9
1978,5.9,9,12,17.6,22.5,23.3,25.4,22.5,21.2,19,9.6,8
1979,6.3,10.6,13,19,20.6,24.3,24.4,23.9,21.7,18.6,13.8,6.6
1980,5.9,7.2,12.6,17.3,21.1,23.3,24.7,24.2,21.5,18.4,14,8.3
1981,4.2,7.3,12.7,17.5,20.4,24.1,24.4,23.6,21.3,19.6,9.6,7.9
1982,7.5,6.2,9.7,17.9,19.3,23,23.2,23.7,21.4,18.5,10.4,6.1
1983,2.7,6.1,8.9,14.9,21.3,22.7,23.4,22.7,21.2,15.9,12.2,7.8
1984,5.3,8.6,12.4,15.7,22.4,22.6,23,21.8,22.2,19.2,11.3,7.4
1985,8.4,6.3,13.3,16.7,21.9,24.3,23.1,24.1,21.1,16.3,14.3,9.3
1986,6.5,9.2,13.1,17.4,18.2,22.8,23.8,23.6,22.9,17,10.8,5.2
1987,6.1,9.6,11,14,21.3,23.6,24.6,24.5,21.5,16.6,12.3,8
1988,6.6,8,12.7,17.2,21.9,24.4,25.8,24.6,22.8,16.3,10,8.3
1989,3.3,5.1,10.6,19.1,20.9,22.7,23.5,23.6,22.6,17,11.2,6.7
1990,6.5,6.1,9.9,17.8,19.7,23.1,23.7,22.1,21,18.3,15,11.9
1991,6,7.8,12.6,18.9,22,23.6,24.1,22.7,20.6,18.7,13.3,4.8
1992,4.8,4.6,10.4,15.5,19.5,23.1,23.5,24.7,19.8,18.7,11.7,6.5
1993,5.1,6.5,11.4,17.1,19.7,23.4,23.3,23.5,22.4,21,14.9,10.7
1994,7.7,4.9,10.9,18.3,21.4,22.6,23.4,24.9,22.9,20.2,12.3,5.4
1995,6.6,8.2,12.2,16.8,19.6,25.4,24.4,24.1,23.6,18.1,10.4,7
1996,7.6,9.2,12.3,14.9,23.8,22.6,25,24.4,23.7,17.9,10.5,8.4
1997,7.9,5.5,10,15.9,21.6,24.2,25,23.8,21.6,18.1,13.7,8.1
1998,6.3,8.8,10.4,19,22.6,23.6,25.8,25,24.3,18.8,14.7,9.5
1999,7.3,10.8,12.4,16.6,22.4,22.6,24.2,24.8,22.9,19.4,13.9,8.3
2000,6.5,7,11,18.4,21.3,23,26.7,23.5,23,16.7,13.1,8.2
2001,7,7.8,15.6,18.3,21.5,23.3,23.3,25,23.6,17.7,11.8,6.9
2002,4.8,10,13.2,17.2,20.9,22.8,26.6,25.7,23.4,19.1,14.1,8.3
2003,8.3,7.7,10.8,16.9,23.3,23.4,24.4,24.4,23,19.4,14.1,7.5
2004,6.8,8.8,13.3,16.9,22.4,23,25.1,24.4,22.2,19.8,13,7.6
2005,6.4,9.8,12.8,17.8,20.7,22.9,25.8,25.6,22.7,18.2,11.7,10.6
2006,7.8,10.4,13.1,17,21.4,24.3,23.4,26.2,23.8,19.4,11.2,6.3
2007,6.1,8.9,12.1,17.8,22.8,24.3,26.2,25.6,22.3,20.1,13.4,7.9
2008,5.8,7.3,15.2,18.6,21.4,25.3,25.4,26,24.1,18.3,14.4,9.7
2009,7.8,9.4,10.9,18.8,20.2,24.5,26,24.2,23.4,20.1,13.2,9.3
