1901,3.7,9.7,14,16.6,19.5,25,29,29.1,25.4,19.8,11.7,9
1902,6.1,9.7,11,15.7,20.4,24.6,29,29.7,27.1,20.4,9.5,4.1
1903,4.3,6.9,10.8,15.6,20.8,23.3,27.5,28.6,24.6,19.1,11.5,7.5
1904,5.3,9.1,10.2,15,19.9,24.3,27.8,29,24.7,20.1,10.4,5.4
1905,2.6,4.7,9.7,15.7,20.8,24,29.4,30.3,27,19.6,14.6,5.5
1906,4.9,7.2,12.5,15.5,19.5,25,28.7,28.9,25.2,18.4,12.5,7.4
1907,3,5.3,8.1,14.2,21.9,24.3,28.8,28.6,24.1,20.2,10.2,7.1
1908,4.5,7.1,10.5,14.8,21.9,24.8,27.8,28.7,24.6,18,9.3,4.4
1909,3.7,4.8,12,14.8,22.1,24.9,29.5,29.8,26.7,19.4,12.6,8.6
1910,5.1,8.7,9.2,15.9,19.6,24,28.3,29.3,25.8,17.7,12.2,6.7
1911,3.9,3,8.9,14.5,19.8,24.3,28.1,29.4,26.1,19.6,13.6,6.3
1912,3.7,8.3,12.7,14.9,19.5,24.9,27.7,28.3,25.4,18.2,12.9,6.5
1913,4,4.9,11.9,15.4,19.4,23.5,28.7,28.2,26,18.9,11.7,6
1914,5,7.8,13.2,14,20.7,24.1,28.8,28.8,24.3,17.8,10.6,7.1
1915,8.8,8.5,12.2,15.5,19.2,24.8,29.7,29.1,24.9,19.9,12.2,8.7
1916,5,7.8,13.9,16.4,21.6,27.1,30.5,28.9,25.4,19.3,14.6,9.4
1917,7.5,6.2,13.3,16.6,19.5,23.6,28.9,29.8,24.9,20.4,14.8,5.2
1918,5.4,6.1,10.9,14.4,20.3,24.2,28.9,28.5,26.8,22.9,13.3,7.8
1919,7.6,8,13.6,16.8,17.6,23.2,28.5,27.4,26,21.6,14.1,7.1
1920,6,3.9,10.9,16.3,19.7,25.2,29.2,30,24.8,17,9.5,5.2
1921,6.2,4.6,9.7,14.8,21.3,23.8,28.8,30.2,24.2,17.8,12.3,5.7
1922,5,6.3,13.5,16.8,20.2,24.9,29.5,28.7,26.5,20.9,11.4,5.5
1923,5.2,7.6,11.7,15.4,21.6,25.7,28.6,28.3,25.9,20.6,15.8,8.2
1924,3.5,6.9,11.2,17,20.3,26,29.1,29.2,27.3,16.1,10.7,5.6
1925,3.5,9.1,12.6,15.4,21,23.7,29,28.9,26.2,20.3,14.7,6.8
1926,4.8,6.7,9.4,17.5,22.4,26.8,29.9,27.1,23.7,20.1,14.4,7
1927,6.6,3.9,13.5,15.7,20.4,25.1,29.4,30.1,27.3,21.7,14.6,6.9
1928,6.4,4.7,8.9,18,22.6,24.1,29.3,30.1,26.7,19,14.3,6.5
1929,1.7,3.7,6.7,14.5,21.9,25.4,28.3,30.1,23.5,17.2,13.3,6.7
1930,5.6,6.9,12.6,16.6,19.6,24.5,29.6,29.4,25.5,18.3,11.8,8.8
1931,6.3,7.4,12.4,16,22,27.2,31.4,30.8,27.5,20.7,11.8,6.3
1932,5.2,5.9,11.3,14.7,19.6,24.5,29.3,31.4,26.4,23.3,13.1,7.2
1933,4.7,7.9,10.5,14.3,19.3,22.9,27.9,28.4,24.1,19.3,15.4,5.8
1934,5.8,5.1,13.5,18.3,21.2,25.9,30.1,29.1,25.9,19.5,14.8,7.5
1935,5,7,10.8,16.1,23.8,27.2,28,29.2,25.3,19.7,11.2,8.3
1936,8.2,7.7,12.7,17.1,19.5,23.8,28.7,28.2,23.9,18.3,11.6,5.3
1937,3.1,8.9,14,16.4,20.2,25.9,28.9,28.5,26.1,19.2,13.1,7.8
1938,4.7,5.4,10.3,14.5,21.2,26.5,29.7,30.2,24.8,20.1,12,7.5
1939,6.7,7.2,9.9,17.5,21.7,23.6,29.8,28.9,26.1,21.3,12.1,8
1940,4.2,8.5,11.1,15.6,18.7,24,28.5,27.6,25.4,20.7,13.4,6.6
1941,6.9,9.4,11.7,17.3,22.4,24.6,28.6,29.4,23.4,17.3,11.2,4.4
1942,2.8,7.7,11.5,16.5,22,26.7,29.1,27.9,25.2,18,11.8,7.4
1943,3.9,7,9.2,14.3,19.4,23.6,28.4,30.1,26.7,19.8,14.8,8.4
1944,4,7.3,10.5,17.2,20,25.2,28.3,27.9,25.4,19.1,11.9,6
1945,4.7,4.9,9.9,15.4,24,26.1,29.9,30.6,26.2,18.5,12.2,6.4
1946,5.7,6.9,10.2,16.9,20.6,26.4,29.6,30.9,27.7,18.1,15.3,6.9
1947,4.2,8.9,15.3,19.5,22.2,25,29.3,30.4,25.5,18.7,12,8.7
1948,8.1,7.1,9.1,15,20.4,23.5,29.1,29,25.3,19.7,12.5,3.7
1949,4.9,5.9,8.5,13.8,22.5,24.3,28,28.9,24.3,20.2,15,8
1950,2.9,7.6,11.6,18,20.6,26.4,30.1,29.3,26.3,18.5,12.5,9.7
1951,6.2,8.6,12.4,16.9,21.2,25.4,29.2,29.3,25.4,17.1,11.4,4.5
1952,5.7,7.4,9.4,17.2,19.7,24.2,28.9,31.1,28.2,19.5,11.7,8.7
1953,4.8,7,6.4,15.6,19.7,24.7,31,30.2,24.6,18.4,8.4,4.3
1954,2.8,6.2,11.2,13.9,20.3,26.2,29.6,29.4,25.3,19.1,11.5,6.6
1955,7.1,10.8,12.2,13.7,22.3,27.2,29.4,28.2,24.1,20,11.8,7.8
1956,5.5,6,8.3,16.9,20.4,25,29.6,30.4,24.8,18.1,11.5,4.1
1957,3.8,8.9,11.4,15.7,19.1,26.6,28.4,29.7,24.4,19.8,11.7,6.3
1958,5.4,9.6,10.8,15.2,21.6,24.5,27.8,31,24.7,18.3,12.9,8
1959,5.6,3,10.4,15.5,20.5,25,28.7,29.8,24.5,16.3,10.7,7.9
1960,5.8,7.6,9.9,14.8,22.4,25.2,29.6,30.4,24.7,21.4,14,9.6
1961,5.4,6.8,12.5,18.7,22.3,25.8,30.6,31.7,25.7,20.8,15.3,8.5
1962,8.6,6.9,14.2,16.5,23.7,26.9,31.1,32.5,28.4,18.8,16.5,8.5
1963,6.6,8.8,10.2,16.6,18.6,25.7,29.8,32.1,27.3,20,14.8,8.6
1964,5,6.1,12.4,17.3,19.7,25,29.8,29.1,25,22.1,13.4,8.3
1965,5.7,5.7,11.6,14.4,19.5,26.8,30.1,28.9,27.8,17.7,12.8,7.6
1966,6.2,10.7,10.5,16.7,20.7,25.5,29.4,30.1,25.1,22.1,16.4,7.4
1967,5.2,6.1,11,15.5,20,25.2,29.7,30.7,25.3,18.8,11.5,8.1
1968,4.4,8.6,11.4,19.4,25.3,25.3,30.4,28,24.1,18,12.4,7.4
1969,4.4,9,11.6,13.6,22.9,26.6,28.1,30.2,27.6,19.6,14.8,8.1
1970,7.7,9.1,12.7,19.5,20.7,27.1,29.3,30.1,25.7,17.9,13.4,5.8
1971,9.7,6.7,11,15.2,21.6,26.5,28.3,28.9,26.4,18.8,13,6.1
1972,4.7,7.1,13.4,17.4,21.3,25.1,27.1,28.2,26,17.5,12.5,7.8
1973,5.9,8.1,10.8,15.1,23.4,25.3,29.7,29.6,27.5,20.2,11.7,8.7
1974,3.2,7.8,13.2,15.1,20.7,26,30.3,28.3,25.2,22,12.3,5.7
1975,5.4,6,14.4,18.2,20,24.9,29.1,28.2,25.7,19,12,5.3
1976,5.3,5.2,11.9,15,20.6,24.8,27.4,27.8,24.8,19.1,13.3,7
1977,5.3,10.8,12.1,16.4,22.6,26.4,30.8,31.3,24.9,18.1,14.8,4.8
1978,6.1,9.2,11.5,15.6,22.8,26.5,31.8,29.1,23.3,20.3,11.5,7.2
1979,4.9,9.1,13.3,16.4,20.2,25.3,28.5,28.6,26.5,18.7,11.6,6.1
1980,2.6,5.6,8.9,13.6,19.3,25.5,29.9,29.6,24.2,19.8,13.3,6.7
1981,3.6,5.6,13,16.9,19.4,26.7,28.9,29.1,26.5,21.6,9.8,8.2
1982,7,5,9.4,15,20.5,24.4,26.8,28.7,26.3,19.3,10.5,6
1983,1.8,3.7,9.9,16.3,21.1,23.3,27.3,27.8,25.5,18.3,12.2,7.5
1984,6.4,8.5,9.6,13.3,22.9,26.3,28.3,27,26.4,21.6,11,5
1985,6.8,1.5,10.2,17,22.4,25.9,29.1,30.8,26.5,16.6,13.4,7.3
1986,6.5,7.9,13.7,19.6,19.6,24.8,29.9,30.2,25.4,20.9,10.2,6.7
1987,6.7,8.8,6.7,13.6,19.2,25.3,29.8,29.1,27.4,18.5,10.8,6.4
1988,6.7,6.5,8.2,15.9,22.1,25.7,30.9,30,26.4,17.8,8.4,6.5
1989,4.9,8.5,13,21.1,21.7,24.8,29.6,29.6,26.2,16.7,11.2,6.8
1990,5.3,8.2,14.5,16.2,20.9,25.6,30,29.3,25.2,20.5,14.1,7.3
1991,4.9,6.1,13,15,17.5,26,27.9,28.7,26.1,19.1,11.8,3
1992,4.7,3,8.5,15.9,19.7,23.9,27,29.5,24.6,21.8,11.4,3.1
1993,3.4,4.7,10.6,15.8,18.6,25.6,29.2,30.2,26,22.6,10.7,8.3
1994,7.1,7.5,11.3,17.8,22,25.6,28.8,29.9,28.7,20.1,9.7,5.2
1995,5.8,9.6,10.2,14.5,21.6,27.2,28.4,28.8,25.1,17.7,8,6.9
1996,3.6,7.9,8.6,13.8,22.4,26.8,30,29.3,23.5,16.9,14.6,8.4
1997,7.6,7,9.3,11.6,22.8,25.6,29.6,27,23.9,17,12.8,6.8
1998,6.3,8.9,8.7,17.5,20.1,26.3,31,32,25.5,20.8,13.7,7.1
1999,7,7.3,12,16.9,23.9,26.2,30,30.2,26,21.1,13.5,9.7
2000,2.8,6.8,10.7,16.1,21.1,27.2,31.9,29.6,26.2,19,15,7.7
2001,7.7,8.5,16.8,16.6,21.9,27.3,30.9,30.5,26.7,21.2,11.1,5.9
2002,4.9,11.1,13.7,15.2,21.9,26.7,29.4,28.8,23.3,19.6,14.2,4.8
2003,8.3,4.2,9.6,14.8,24,26.7,29.8,30.8,25,20.4,13.7,6.9
2004,4,7.4,13.9,16.7,21,25.9,30.9,29.2,27.1,21.7,12.5,7.6
2005,6.9,6.2,12.3,17,21.9,25.5,30,30.3,25.5,18,11.1,8.4
2006,4.1,7.2,11.5,17.4,22.1,26.3,29.4,31.5,25.6,18.7,11.7,7.5
2007,6.2,7.9,12.6,16.3,22.9,27.9,31.4,31.6,26.9,20.8,11.9,6.4
2008,4.9,6.8,13.9,17.5,21.8,28,30.8,32.1,26.2,19.4,14.3,7.4
2009,6.7,7.2,10.9,16.8,21.2,27.4,30,30.5,25.5,21.1,12.9,8.9
