1901,3.9,5.4,9.9,14.5,17.7,19.3,21.6,21.3,17.6,13.7,9.1,5.2
1902,4.6,5.3,10.6,14.2,18,18.5,21.2,20.9,17.4,13.3,9.2,5.1
1903,3.3,5.1,9.9,14.8,17,19.1,21.4,20.7,17.5,14.1,9.1,4.9
1904,3.6,5.9,9.5,14,17,19.1,21.1,20.8,17.5,13.9,8.8,4.4
1905,4.1,5.2,7.6,12.4,17,20.1,21.4,19.8,17.6,13.6,9.4,5.1
1906,3.6,3.9,8.9,13.5,17.1,18.9,21.7,19.6,17.9,13.6,8.6,5.5
1907,4.9,4.4,8.3,13.5,17.3,18.4,20,21.5,16.9,14.1,9.3,5.7
1908,4,5.2,9.9,14.3,17.4,19.5,20.8,21.5,17.4,13.6,9,5.5
1909,3.1,5.7,10.1,14.6,16.8,18,21.1,20.9,18.8,14.3,10.7,5.3
1910,3.5,5.1,9.1,13.5,17.3,18.3,20.7,20.9,17.5,13.7,9.3,4.5
1911,4.1,4.6,9.2,14.5,16.7,18.4,20.8,20.5,18,13.4,9.1,4.3
1912,3.8,6.2,8.7,13.9,17.8,19.4,20.7,20.4,17.1,13.2,8.5,4.5
1913,4,5.6,8.6,12.9,16.2,18.8,20.6,21.3,17.6,14.2,8.5,4.3
1914,5.3,5.9,10.3,13.5,16.9,19.8,22.3,20,16.9,13.1,9,5.7
1915,4.4,5.7,10,13.9,17.4,18.4,20.2,20,16.8,15.1,10.4,6.8
1916,3.2,5.8,9.9,14.4,18.4,20.2,21.4,22,18.5,13.4,10.1,5
1917,2.6,4.6,9.3,13.5,17.6,19.7,22.2,21.9,18.1,14.1,10.3,4.1
1918,3.2,5.1,9.8,13.3,17,18.9,21.8,21.1,18.2,14.1,8.5,4.9
1919,4,5.8,11.2,15.2,18.7,20.1,21.6,22.6,17.3,13.8,9.8,5.2
1920,4.9,4.2,9.9,13.9,17.2,19.5,22.9,21.5,18.6,13.7,10.1,5.4
1921,4.7,5.4,9.7,16.1,17.9,20.4,21.7,22,16.8,13.2,9.2,6.1
1922,4,7.4,10.3,14.6,19,18.6,22.7,22,17.7,14.4,9.5,5.4
1923,5.5,6.1,11.6,14.8,17.7,18.9,22,21.7,18.7,14.2,11,7.4
1924,5.5,6.5,11,15.5,18.4,20.1,22,22.3,18.9,14.1,9.7,6.3
1925,3.4,4.8,10.4,14.2,17.6,20.1,22.1,21.4,18,13.8,10.2,5.6
1926,6.4,6.9,10.3,14.1,19.1,19.7,22.5,23.9,18.9,16.5,9.4,5.3
1927,5.8,4.1,10.2,14.7,18.1,22,24,21.9,20.6,16.7,9.5,7.2
1928,4.6,8.6,13.5,16.7,18.4,18.6,24.1,21.6,18.3,14.1,9.9,4.4
1929,3.2,5.2,10.4,14.5,18.3,21.1,22.5,23.5,18.7,12.9,9,5.7
1930,3.1,6.2,7.5,15.1,18.8,20.4,24,22.9,18.5,13.2,9.8,6.9
1931,5.1,5.2,9.8,16.5,19.3,20.1,21.8,23.5,16.8,14.7,9.4,6.2
1932,4.3,3.5,9.6,14.3,19.6,21.6,22.7,22.6,16.9,13.8,9.8,6.1
1933,4.1,7.7,11.3,15.2,18.9,20.3,22.7,23.9,19.7,14.9,10.3,7.1
1934,2.8,5.6,9.9,14.4,19.7,21.3,23.2,23.3,19.3,14.1,8.6,7.1
1935,3.4,5.6,11.2,14.4,18.6,20.8,23.4,22.7,19.1,16,10.3,5
1936,2.8,6.1,8.8,15.9,17.6,20.6,22.8,21.5,18.8,13.8,10.3,6
1937,4.7,6.8,11.3,16.5,18.7,19.8,22.5,22.3,18.8,15.1,9.1,6.8
1938,4.4,5.8,9.7,15.9,18.1,18.9,21.4,21.9,17.9,14.2,9.3,6.5
1939,5.1,6.1,11.6,12.3,17.3,18.8,21.4,21.5,17.2,14.7,10.8,6.1
1940,5.2,7.2,8.4,12.3,16.8,19.2,22.4,21.4,18.7,15,9.1,7.7
1941,6,6.8,10.2,14.4,16.8,19.4,23,21.6,17.2,14.3,9.1,7.1
1942,5.4,6.8,11,15.3,18,19.8,23.4,22.1,18.5,15.7,10.6,5.6
1943,3.7,4.8,11.3,16,19.5,19.8,22.2,22,18.5,14,10.2,5.9
1944,5.5,5.8,10.7,15.2,16,19.4,22.2,21.4,17.7,14.1,10.1,3.6
1945,5.9,2.2,10.9,16.7,16,21.1,22.3,21.2,19.2,12.9,11,5.5
1946,6,7.5,11.2,15.9,18.8,21.4,22.5,23.1,19.9,14.6,10.8,7.1
1947,6.6,6.1,10.1,12.8,19,18.9,22.2,22.2,19.7,12.2,9.6,5.9
1948,5.1,5.8,10.7,15.8,15.8,19.7,21.1,21.8,19.5,13.5,7.6,7.1
1949,4.2,6.6,10.9,13.6,17.8,19.5,21.7,21.2,19.9,14.2,9.6,5.8
1950,5.6,3.9,11,14.6,18.5,18.8,21.6,20.9,16.5,14.2,10.1,4.3
1951,4.4,7.2,9.6,14.1,18.8,19.3,21.2,22.2,17.7,15.7,10,6.4
1952,4.7,7.5,11.9,16,19.1,20.4,22.5,19.7,17.7,12.7,11.3,4.9
1953,5.5,5.5,11.1,14.8,17.5,19.7,21.7,23.3,17.1,14.6,9.7,7.1
1954,5.2,7.3,8.8,15.6,18.7,20,21,21.1,17.8,12.6,11,5.7
1955,2.4,6.6,10.8,14.6,16.9,18.3,20.9,21.2,19.9,13.3,8.2,5.8
1956,1.6,6.2,10.8,16,15.9,21,21.5,20.6,17.2,12.5,8,6.3
1957,5.8,2.6,9.9,15.3,17.3,18.8,21.5,20.9,16.3,11.9,10.5,6.5
1958,4.1,2.9,12.5,17.4,19.4,20.3,21.8,20.1,18.6,12.7,9.8,6.1
1959,3,4.3,10.1,15.1,16.4,18.9,22.4,22.4,17.6,13.9,10,6.1
1960,4.9,5.9,12.1,14.1,17.8,18.5,22.3,22,18.5,13,9.5,5.2
1961,4.4,4.1,9,14.7,16.3,20.5,22.2,22.1,18.8,15.8,8.6,5.3
1962,1.5,5.9,8.9,15.2,17.4,18.9,22.6,20.2,18.8,14.4,9,5.2
1963,1.8,3.8,10.1,16.5,20.7,19.4,21.7,21.8,20.5,12.5,9.1,5.8
1964,3.4,4.5,10.2,16.6,18.4,18.1,22.4,21.2,18.3,14.8,8.8,4.6
1965,4,6.1,9.1,15.1,16.9,17.3,21.8,20.6,16,13.9,8.3,5.5
1966,5.5,6.7,11.5,16,17.1,17.9,22.1,20.9,16.6,13.4,8.8,5.8
1967,3,3.8,9.1,13.2,18.8,19.6,22,22.7,17.9,12.7,9.1,4.4
1968,4.2,0.9,9.6,12.4,16.6,18,20.3,20.5,17.9,14.2,10.2,7.5
1969,4.2,6.3,11.8,15.9,20.9,18.8,21.6,20.8,17.9,14.1,8.1,4.5
1970,3.6,6.3,9.2,13.7,18,18.8,21.4,22.1,18.2,12.9,8.5,5.5
1971,1.9,4.7,11.3,15.4,16.4,19.9,21.8,20.9,17.7,12.6,8.9,5.2
1972,4.4,5,11.2,12.1,17,20.1,22.1,22.6,16,14.2,9.3,5.3
1973,4.2,8.4,11.6,15.9,18.3,19,21.1,21.5,17.9,13,9.2,5
1974,4.7,3.8,7.8,13.3,17,18.1,20.5,19,17.4,13.5,11.2,6.1
1975,4.5,6,11,14.6,17.8,19.7,21.4,21.7,20.2,14.9,8,3.1
1976,3.2,6.6,9.3,14.6,16.6,18.7,20.3,22.4,16.8,13.6,6.8,5.3
1977,2.8,1.4,9.2,13.7,18.4,19.5,22.1,20.5,17.9,13.3,8.6,6.1
1978,2.8,5.4,11,14.4,16.3,19.3,22,22,17.6,14,8.4,5.6
1979,4.4,6.1,10,16.2,17.5,19.9,22.6,21.9,16.7,12.9,8.1,6.1
1980,4,5.1,11.8,14.4,17.7,19.8,21.5,19.8,16.5,13.2,10.6,4.1
1981,5.5,7.6,10.5,15,15.8,19.5,22.4,22.6,18.2,13.7,10.2,4
1982,5,5.1,11.7,11.4,18.4,17.9,21.6,22.2,17,14.5,9.2,2.8
1983,1.7,3.8,6.9,14.3,19,20.1,22,20.4,18.8,15.4,9.7,4.2
1984,2.2,6.5,10,15.8,16,20.3,21.4,20.7,17.6,12.7,9.9,5
1985,3.9,5.6,7,13.2,18.8,18.3,20.6,22.1,16.8,14.1,8.6,5.4
1986,4.2,4.8,9.7,14.5,18.2,21.5,20.8,20.3,16.2,12.6,9.1,7
1987,5.2,7.6,11.7,14.5,19.9,20.4,20.3,20.6,16.2,14.5,9.9,4.4
1988,5.3,7.2,9.7,13.2,19.2,20.8,22.3,20.8,16,13.7,9,7
1989,3.3,4.9,9.1,14.4,16.7,19.9,21.1,21.4,18.5,13.2,9.1,4.6
1990,4.3,6,8.5,14.1,15.3,18.7,21.7,21.9,17.6,13,10.8,6.3
1991,4.7,6.7,11.4,15,18,20.3,20.9,20.6,17.1,13,9.1,5.5
1992,2.7,3.4,9.2,14.3,17.3,20.2,20.4,21.4,19.2,12.4,7.9,5.3
1993,3.1,6.1,10.5,15.4,18,20.4,21.5,20.3,17.3,12.4,9.8,5
1994,5.6,7.8,7.4,16.2,18.8,19.6,21.4,22.5,17.4,12.7,10.2,5.7
1995,4.7,4.1,9.5,15.4,17.9,20.6,21.1,21.6,17.7,14.7,8.5,5.2
1996,2.6,3.8,10.1,13.9,16.6,19.8,21,22.1,17.9,14.6,10.3,5.7
1997,4,3.4,10.8,13.6,18,18.5,20.9,22.5,17.2,13.8,10.6,6.1
1998,4.9,6.4,10.9,15.3,19.9,19.8,21.7,21,17.7,14.6,10.5,5.9
1999,4.5,7.7,10.9,16.6,16,19.8,20.9,20.7,18.9,14.7,10.2,5.2
2000,3.8,4.6,9.2,13.3,17.4,19.7,21.7,20.5,17.4,14.5,9.1,5.9
2001,5,6.4,11.2,15.8,16.4,18.7,22.7,20.4,18.2,15.1,9.6,6.4
2002,4.2,8,10.7,16.1,16.6,20.8,21.3,20.2,17.8,14.3,10.3,6.5
2003,4.4,8.1,10.8,16.7,18.3,18.9,21.9,22.4,18.1,13.5,10.1,6.1
2004,5.3,5.7,11.1,13.7,16.9,18.6,20.8,21.5,17.6,12.7,9.1,6
2005,5,7.4,8.8,15.2,20.1,20.9,22.9,20.5,19.6,14.3,9.8,5.2
2006,4.2,6.1,10.5,15.6,18.1,19.8,23.5,23.4,19,14.9,10.2,5.5
2007,2.9,7.2,11.8,12.9,18.1,19.9,21.6,22.1,17.5,13.8,9.4,6.8
2008,5.6,0.8,9.8,11.7,17.5,19.8,21.9,20.4,19.5,14.9,9.4,6.2
2009,3.6,9.6,11.3,13.6,18.1,19.6,21.9,21.4,20.4,14.8,8.1,5.9
