1901,3.5,5.7,12.7,16.1,21.4,26,26.2,25.8,23.3,16.9,10.3,5.7
1902,5,7.3,12.6,16.8,23,25.7,26.6,26.4,22.8,16.4,10.2,4.7
1903,3.3,6.6,8.5,14.4,20.4,27.2,26.2,25.7,23.6,17,9,3.6
1904,0.9,7.2,10.8,16.6,22.4,26.2,27,26.2,23,16,10.3,5.5
1905,2.2,2.3,8.1,15.6,23.2,26.7,27,26.1,23.3,17,10.6,4.6
1906,2.8,4.6,9.7,15,23,25.9,27.2,26.5,21.9,16.9,10.6,6.5
1907,5.7,4.4,8.9,15.6,20,24.3,27.2,25.1,23.8,16.5,10,4.2
1908,4.9,7,10.9,17.2,21.2,25.9,25.7,24,21.5,15,9.4,4.5
1909,2.6,5.5,11.4,16.2,21,25.4,25.2,25.6,21.2,15.9,11.3,4
1910,3.6,6.5,10.2,14.8,22.5,25.3,25.7,25,22.9,16.1,8.6,2.2
1911,4.1,7,9.4,15.5,22.1,26,27.4,25.9,23.4,16.3,6.9,3.7
1912,4.5,8,10.9,16.1,22,26.4,26.7,24.7,21.8,16.4,8.2,4.4
1913,5.5,5.5,8.7,16.6,21.5,24.2,25.4,24.9,22.2,16.4,9,4.6
1914,6.2,4.8,10.1,16,21.8,25.9,24.9,25.2,22.7,15,10.8,3.3
1915,4.3,5,13.2,16.5,24.5,26.4,26.6,26.3,23.7,16.2,9.4,3.9
1916,5.7,5.6,13.1,17.5,20.4,25.2,25,25,22.4,15.3,6.1,4
1917,5.6,9.2,11.3,14.6,19.4,25.4,25.9,23.7,20.4,15.2,7.9,5.2
1918,3.4,6.4,10.1,13.3,23.3,25,26.9,25.9,22.4,16,8.2,2.8
1919,2,6,11.3,15.7,20.3,25.4,26,24.3,21.6,15.6,8.1,3.5
1920,4.2,4,10.9,14.7,18.5,24.5,27,25,23.7,17,9.7,2.9
1921,4.4,6.7,13.6,20.1,22.9,25.8,26.6,24.2,22.1,15.1,9.1,6.2
1922,4,6.6,12.5,17.2,20.8,24.6,26.7,26,21.7,15.3,9.3,5
1923,3.5,5.3,11.7,16.4,19.9,26.3,24.8,24.2,21.7,14.8,7.5,3.2
1924,3,5.7,11.7,16.4,17.8,25.6,26.8,24.8,20.7,15.6,8.3,4.1
1925,1.7,2.4,11.9,18.6,21.6,25,25.5,24.2,22.6,16.2,7.3,4.6
1926,4.2,7.5,10.4,13.9,19.7,25.6,27.3,25.5,22.6,15,6.4,4.3
1927,2.4,4.6,10.4,16.1,20.6,25.1,26.3,25.6,22.9,17.1,9.5,5.2
1928,2.7,7.3,11,16.9,23.6,25.8,26.6,25.4,21.6,16.4,9.3,4
1929,2.1,4.8,13.3,18.1,22,25.3,25.3,24.6,23.5,15.5,9.1,1.7
1930,0.9,6,11.8,15.6,21.7,25.4,25,25.4,22.2,16.6,8.8,3.5
1931,5.2,4.2,11.8,18.6,21.6,25.2,25.5,26.8,22.9,16.6,10.4,5.4
1932,6.7,6.8,12.4,18.3,20.3,26.2,26,24.7,23.5,16.7,10,4.3
1933,2.7,6.8,11.4,14.6,20.6,25.7,26.7,23.3,21.7,16,9.9,6.8
1934,2,9.2,10.9,17.3,20.6,25.8,26.5,24.6,23.3,15.1,9,5.5
1935,2.2,6.1,11.6,13.5,21.4,25.1,25.7,23.8,22.3,15,9.9,4.2
1936,2.4,6.7,10.2,15.3,24.2,24.4,25.8,25.3,22.4,16.4,9.3,4.7
1937,3.6,6.7,10.4,15.5,22.3,26.4,25.2,26.5,23.2,15.6,8.6,3.1
1938,3.2,4.6,11.4,17.2,24.6,24.5,26.9,26.2,22.6,16.4,8.5,4.8
1939,5,5.3,8.2,14.7,21.7,25.6,26.5,26.2,23.8,17.3,9.9,6
1940,5.2,7.5,10.7,15.3,22.3,25.8,27.3,24.9,22.1,17.5,10.7,5.3
1941,4.1,8.1,14.2,19.8,23.7,25.9,26.3,26.2,22.1,19.1,11,6.7
1942,3.3,5.8,13.4,18.4,21.9,25.9,25.1,24.8,22.2,16.8,12,5.1
1943,4.2,7.9,13.3,15.7,21.2,25.4,25.4,26,24.1,16.8,11.4,7.2
1944,3.6,5.2,11.3,16.4,22.9,25.7,25.7,24,21.2,15.8,10.4,5.3
1945,2.4,5.2,11.8,15.3,21.8,25.7,25.9,24.6,22.9,15.9,10.5,4.4
1946,4.6,8.5,11.7,20.6,24,26.2,26.8,25.3,22.6,17,8.7,2.8
1947,2.9,6.2,12.7,19,23.3,26.7,26.7,25.6,22.8,15.5,11.1,4.3
1948,3.6,5.7,10.8,18.1,23.9,24.9,26.1,24.6,22.7,16.4,7.8,4.2
1949,4,4.8,11.4,18.6,24.1,24,25.4,25.1,23.8,15.1,7.7,3.5
1950,4,3.4,9.9,14.1,21.5,26,25.4,24.5,20.8,15.4,8.6,2.2
1951,3.3,5.5,11,14.3,20.8,24.3,26,24.8,22.9,19.2,11.1,5.6
1952,4.9,7.3,10.7,18.9,22.1,25.5,25.1,24.9,22.7,15.8,9.9,5.2
1953,3.6,8,15.2,18.4,22.7,26,25.6,25,21.8,15.9,10.2,7.9
1954,2.5,5.9,11.5,17.2,22.8,26.1,26.6,26.6,23.1,14.2,9.1,4.4
1955,3.6,7,13.9,15.5,19.3,26.5,26,24,22.7,15.5,8.4,5.1
1956,3.9,6.8,11.6,16.9,24.6,25,23.5,23.6,22.4,15.2,7.4,5.1
1957,4.1,4.8,10.8,14.1,18.7,23.9,26.5,24.7,21.2,15.6,9.4,5.6
1958,5.2,6,12.3,19.3,21.3,24.9,26.5,24.9,22.9,16.2,9.7,6.1
1959,3.3,4.4,12,16.6,20.9,26,24.5,24.9,22.9,17.6,9.5,4.5
1960,2.5,8.6,10.4,14.6,21.1,25.8,25.4,25.4,22.4,15.5,9.1,5
1961,4.4,4.3,11.2,15,21.5,25.2,25.7,25,23.9,15.5,7.2,3
1962,2.8,6.7,11,16.9,20.9,25.1,25.8,25.1,21.8,14.7,8.9,3.4
1963,1.8,8,10.8,15.7,19.1,25.8,26.4,24.9,21.9,17,10.4,4.4
1964,1.2,6.3,13.2,17.4,20.5,24.4,24.6,24.9,23,14.9,7.2,4
1965,6,5.6,11.5,13.9,19.1,24.7,24.7,23.3,22.1,17.8,11.1,3.1
1966,3.4,8.8,11.6,15.4,21,25.2,25,24.9,21.5,16,9,2.6
1967,2.1,7.6,10.4,15.1,19.6,25.5,25.8,24.2,22.6,14.8,9.5,4.4
1968,2.3,3.8,11.3,16.3,18.9,25.5,25,23.8,22.1,14.9,9.2,5
1969,4.3,5.8,14.3,16.2,19.8,24.7,25.7,24.7,22.3,17,10.3,5.2
1970,4.3,6.8,11,18.4,22.3,25.4,26,25.8,22.6,16.8,7.9,5.2
1971,3.3,6.2,12.7,18,21.1,25.2,25.3,24.2,21.8,15.3,9.9,4.6
1972,4.3,4.2,12,15.8,21.3,25.4,25.7,25,21,14.7,10.1,5.4
1973,3.5,7.4,11.1,18.2,22.3,26.6,24.9,24.7,22.9,15.5,8.4,3.4
1974,4.1,4.7,13.1,18.8,21.4,24.2,25.3,25.2,22.4,14.9,8.6,3.9
1975,3.4,4.2,10.3,16.6,21.9,24.2,24.1,24.5,22.9,17.2,8,5.1
1976,4.4,6.7,10.5,16.3,21.2,24.1,25.2,22.7,21.6,16.9,10,4.8
1977,4.3,6.6,12.5,17.1,20.6,24.6,24.7,24.8,22.4,18.3,13.1,6.1
1978,3,6.3,10.2,17.3,24,26,23.4,25.1,22.3,16.8,10.2,5.5
1979,4.8,6.5,10.2,18,19.5,24.7,25.8,24.7,20.8,16,11.2,6.2
1980,4,6.9,10.3,18.1,21,24.6,25.3,23.9,21.2,16.6,10,5.9
1981,4.7,6.8,11.4,17.4,21.7,24.8,25.1,24.4,22.3,15.7,9.2,5.2
1982,4.8,4.9,9.2,15.6,19.5,24.6,26.1,24.5,21.8,16.9,11.2,4.8
1983,3.7,5.4,9.8,13.7,19.9,23.8,24.8,24.4,23,15.2,8.2,4.9
1984,3.5,4.7,13.5,16.5,23.8,26.8,24.3,24.2,20.8,14.7,9.7,4.9
1985,4.5,7.4,13.1,16.8,21.8,25.2,25,25.3,22.5,15.6,9.4,6.1
1986,3.8,6.1,10.4,15.8,20.4,25.1,25,24.4,22.1,16.3,10.3,4.9
1987,5,7.4,12.1,17.3,18.3,24.2,26.3,25.8,24.2,17,10.3,5.9
1988,6.2,8.3,11.4,18.5,23.6,25.1,25.5,24.2,22.6,16.1,9.9,5.7
1989,3.5,5.6,11,14.8,21,24.8,24.8,23.1,22,15.6,10.2,6.2
1990,6.3,7.6,10.7,16,23.4,25.4,25.7,24.4,22.8,15,9.7,5.1
1991,4.4,6.3,11.8,14.7,20.1,24.5,25.7,24.8,22.5,15.3,9.9,6.9
1992,5.1,6.4,11.4,15.4,20,24.7,25,25.2,21.9,16.4,9.8,7.8
1993,2.5,9.5,11,17.5,23.6,25.2,24.8,26.2,23.1,16.2,11.5,6.3
1994,5.8,6.6,12.8,15.7,22,25.9,24.8,24.9,21.5,15.6,11,5.4
1995,4.1,7.2,11.1,14.6,21.9,26,24.8,24.2,22.3,17,9.4,5.9
1996,4.4,8.1,13.7,18.4,20.9,24.3,25.3,24.2,23.1,16.1,9.4,2.7
1997,3.6,6.1,11.9,15.4,18.8,23.4,24.6,24.1,23,13.6,10.5,3.8
1998,4.6,7.1,10.9,18,22.3,25,25.7,24.8,22.5,16.9,10,4.2
1999,5.1,7.8,12.8,19.1,23.2,24.7,26.2,24.9,24.3,17.9,11.6,5.6
2000,4.1,5.8,11.2,19.7,25.5,25,24.9,24.8,22.2,17.7,11,6.2
2001,3.4,8,12.9,17.6,24.1,24.1,24.9,25.8,22.5,17.5,10.5,7.2
2002,4.4,6.5,13.3,19,24.4,24.8,26.9,25.1,21.1,16.3,10.2,6.3
2003,4,7.5,12.2,18.6,21.2,25.9,25.1,24.7,22.8,15.7,9.8,6.5
2004,4.9,8,15.7,19.5,22.4,23.4,25.7,24.3,22.7,14.8,10.7,6.6
2005,4.2,5.7,12.2,16.7,19.7,25.6,24.3,25.4,22.6,16.8,9.6,4.8
2006,5.4,5.5,11.6,11.4,24.6,24.3,25.5,24.1,22.3,17.4,10.1,5.3
2007,4.7,7.3,11.8,20.3,22.3,25,25.1,25.3,22.3,16.3,9.6,5.3
2008,3.6,7.1,15.7,16.9,22.1,24,25.2,23.9,21.6,17.9,10.3,6.6
2009,6.2,8.2,13.2,17.1,22.7,24.6,25.6,25.4,23.2,16.6,9.4,5.9
