1901,2.9,4,10.3,17,21.1,26.7,26.6,26.9,22.2,17.8,8.7,6.1
1902,4.7,8,12.6,17.8,17.3,23.2,27.2,26.4,22.9,16.1,8.8,4.7
1903,4.3,7.8,13.4,14.1,20.7,23.5,26.3,27.7,23.9,18.9,11.3,6.7
1904,6.3,9.7,13,17.7,23.2,26.8,28.7,28,21,17.6,9.3,5.8
1905,2.4,6.7,12.8,16.2,19.6,25.1,28.3,26.8,23.3,14.5,11.2,5.7
1906,4.5,7.8,11.3,16.3,20.9,25.2,26.9,28.3,21.5,17.9,12.4,4.9
1907,2.2,7,11.1,15.1,22,26.1,25.6,27.6,23.7,19.9,10.3,7.4
1908,4.8,7.5,11.1,15.1,23.5,26.3,26.9,26.1,22.2,18.6,8.7,5.2
1909,3.7,4.7,10.7,17.8,21.2,24.3,25.8,27.3,22.8,19.5,9.8,7.7
1910,4.4,9.8,13.5,16.3,20.5,26.1,25.3,26.5,21.3,18,9.3,8.8
1911,4.9,7.2,12.1,17.2,21.2,25,29.1,29.5,24.6,17.8,13.6,7.9
1912,4.9,10.1,15.1,15.5,20.9,25.6,26.8,25.1,18.4,15.4,7.8,6.7
1913,4.9,7,13.4,16.6,21,25.5,23.6,25.6,22.7,18.7,11.4,5.4
1914,1.7,9.2,13.1,18.7,20.6,24.3,25.6,27.2,22.6,16.7,11,7.2
1915,5,7.7,11.8,17.4,23.4,26.3,27.2,26,21.9,15.7,9.3,8.6
1916,4.4,8.4,13.1,18.1,22.6,24.8,26.8,26.9,21.4,17.7,12.4,8.1
1917,3.8,5.8,10.4,15,22.3,27,27.3,28.2,25.3,17.1,9.1,4.9
1918,3.8,8.3,12.8,15.3,22.3,22.8,26.6,26.2,24.9,15.7,9.9,5.4
1919,7.4,7.6,12.8,16,19.5,25.3,24.7,28.4,24.7,15.7,8.5,5.3
1920,7.5,10.8,15.2,18,24.7,24.6,27.9,25.7,24.1,16.3,8.9,7
1921,7.4,8.6,14.5,16.1,23.2,25.6,28.4,28.6,24,19.9,11.4,5.2
1922,4.3,7.4,13.9,15.3,23.8,26,27.6,28.8,21.6,15.9,8.5,6
1923,5.6,8.1,13.7,16.8,22.6,21.8,27.9,28.5,22.3,19.5,12.9,6
1924,4.5,7.1,12.1,17.1,23.9,26.2,27.5,24.8,24.6,17.7,10.6,8.3
1925,6.3,10.5,11,17.3,21.6,25.3,26.4,27.4,22.5,18.8,10.9,3.9
1926,3.9,10.4,12.4,18.9,19.4,24.4,26.2,27.4,25.7,18.9,13.8,6.1
1927,6,7.1,14.4,17.9,22.2,27.6,28.5,28.7,24.7,18.4,13,5.8
1928,6.1,8.4,11.2,17.8,19.6,25.1,30.3,29.6,22.6,18.2,11.2,4.7
1929,2.3,3.4,11.8,14.6,22,26.8,28.6,28,25.7,18.9,12,7.8
1930,6.8,8,13.9,17.3,20.1,27.7,26.7,26.9,24.6,17.2,13.1,6.6
1931,5.1,8.1,11.1,15.4,23.2,28.6,28.4,27.2,19.4,17.7,11.6,4.4
1932,6.5,3.6,9.5,15.3,21.3,24.4,26.7,29.6,26.3,18,11.9,8.1
1933,5.1,6.4,12.7,16.4,20,23.2,27.9,28.5,23.1,18.4,9.6,1.6
1934,5.2,8.5,13.6,19.4,23.6,25.3,28,26.3,24.4,17.9,11.7,7.9
1935,2.9,5.9,12.1,15.7,19.7,27.9,29.2,27.2,24,19,13.1,6.8
1936,8.5,8.6,14.5,16.6,21.9,25.3,27.8,27.5,22.9,14.1,10.5,6.2
1937,4.4,9.1,12,16.7,23.2,27.1,27.7,26.4,22.4,17.4,11,5.1
1938,3,8.6,14.7,14.3,19.7,28.3,28.2,27.2,23.1,19.2,12.9,5.8
1939,7.1,9.4,9.5,18.2,17.9,26.1,27.9,28.1,22.3,15.8,11.6,5.7
1940,2.4,5.2,11.3,16.8,21.2,25.6,27.1,26.6,23.8,16.8,11.7,2.3
1941,3.5,7.8,12.6,15.9,18.7,26.4,28.6,26.7,22.1,16.3,9.1,4.9
1942,1.2,6.3,13,16.5,22,26.9,28,28.6,27.1,20.5,10.4,7.5
1943,3.5,10,14.1,18.7,22.5,25.4,28.2,30.5,25.8,19.8,9.8,7.5
1944,4.5,6.7,7.6,18,21.9,24.9,26.6,29.4,23,15.5,8.7,4
1945,1.8,6.1,12.4,18.3,24,27.8,29.6,27.6,23.6,17.7,10.8,6.7
1946,4.1,7.9,13.1,17.9,22.1,25.3,29.2,28.5,25.6,16.2,9.9,4.2
1947,0.5,5.7,11.7,20,23.1,27.2,29.3,30.4,26.1,17.5,10.4,4.6
1948,7.8,6.7,15.4,19,22.6,25.2,23.9,26.3,24.1,17.5,11.2,5.6
1949,6.1,9,10.6,20,19.6,24,26.5,26,24.1,18.4,10.2,4.6
1950,3.3,9,14,15.5,22.7,27.4,29.3,27.5,22.1,16.4,9.7,6
1951,6.6,9.6,10.2,16.1,18.9,25,25.2,27.5,24.8,16.2,12.6,5.4
1952,4.2,5.5,11,18,21.3,26.7,29.5,28.4,21.1,15.6,9,4.5
1953,4.5,6,13.3,17.8,21.8,23.8,26.6,26.2,23,18.3,9.7,6.9
1954,1.9,4.2,11.8,14.9,19,24.9,24.5,24.9,23.9,16.4,10.3,7.5
1955,6.3,7.9,9.2,16.7,19.8,24.2,26.2,24.8,21.8,16.6,9.4,5.6
1956,5.9,2.9,10.6,14.9,22.6,24.3,28.6,28.5,24.9,18.2,9.2,5
1957,5.2,9.8,14.1,16.7,19.2,26,28.1,27,23.6,17.9,11.8,5.7
1958,5,9.5,10.1,14,24,24.7,28.8,28.4,25,18.2,12.2,6.1
1959,5.4,10.2,13.6,17.2,21.2,25.9,29.3,27.1,22.9,17.7,11,7.4
1960,4.8,6.4,12,17,21.9,26.1,25.7,27.2,22,17.4,11.8,6.7
1961,4.9,10.7,15,19.6,21.4,26.1,26.8,28.2,26.7,19.1,11.4,5.8
1962,6,8.3,9.6,17.2,20.3,24.8,27.1,29.8,24.4,18.9,10.5,4.4
1963,1.9,4.5,11.4,17.4,21.5,25.2,28.8,27,23.4,17.9,13.5,4.4
1964,3.4,7.6,10.2,17.2,22.5,27.4,28.3,27.1,24.2,16.5,10.9,5.8
1965,5.7,7.1,11.7,15.6,20.4,25.3,27.1,26.2,22,17.4,10,5.6
1966,2.5,10,13,18.1,21.8,27,26.4,25.9,23.7,19,9.2,5.5
1967,4.1,7.7,13.6,15.9,21.9,24.3,28.8,27,23.4,19,11.4,5.3
1968,3.2,8,13.9,17.7,20.3,24,27.1,24.8,22.9,18.3,11.3,4.1
1969,5.1,6.4,11.3,15.8,22.6,24.1,27.5,26.4,23.2,19.8,11.8,4.7
1970,5.5,7.4,10.3,16.2,19.9,26.7,27.9,27.2,25,18.2,12.9,5.4
1971,5.8,8.9,9.9,17.4,21,24.4,28.4,29.3,21.9,17.7,10.7,5
1972,4.8,9.4,14.2,15.7,20.7,25,26.8,26.5,19.8,16.2,10.8,5.9
1973,5.7,8.7,12.4,15.1,21.9,25.8,27.7,28.1,24.1,17.4,10.4,5.8
1974,6.7,11.1,12.6,16.5,20.9,23.9,27.9,28.8,23.8,13.8,10.7,6.5
1975,6.2,9.5,11.5,17.2,21.2,24.3,28.1,26.6,24.7,17.4,10.1,5.5
1976,4.7,8.7,10.9,16.8,22.5,27,27.7,23.7,21.3,17.1,11.4,5.2
1977,5.7,9,13.9,16.2,19.8,25.2,26.9,25.1,21.8,17.8,10.9,5.8
1978,6.6,6.7,13,14.9,19,24.7,26.3,26,23.4,18,10.6,4.8
1979,3.6,7.7,13,15.6,22.6,26.5,26.7,26,22.5,16.6,10.2,6.6
1980,4.6,9.3,11.7,15.3,18.7,23.5,25.8,27.7,23.7,17,8.3,4.2
1981,4.1,6.6,12.8,17.2,20.3,25,26.2,26.7,22.7,17.2,10.1,5.3
1982,4.3,5.9,11.6,16.8,21.8,26.7,28.1,26.5,24.7,16.9,11.4,6.9
1983,4.9,5.8,12.5,16.4,20.3,25.2,30,26.6,23.7,18.1,10.1,5.9
1984,4.9,6.9,10.9,15.5,17.4,24.2,27.8,25.7,21.6,17.3,10.8,6.4
1985,0.8,5.6,11.2,16.8,21.3,24.4,28.7,28.3,25.5,19,9.1,6.2
1986,4.6,4.3,11.3,16,23.9,24.7,26.9,27.8,23.3,18.7,11.1,5.3
1987,3.3,7.3,9.4,17,19.3,24,28,26.6,25.8,16.9,10.6,5.3
1988,7.3,9.2,12.7,16.2,21.5,23.9,28.8,28.2,23.8,19,9,6.7
1989,5,10,15.5,17.1,22.9,25.2,27.7,27.4,23,16.8,10.3,7.1
1990,5.8,11.2,15.6,16.2,23.3,25,28,28.3,23.5,18.7,12.2,5.8
1991,5.9,6.4,14.8,16,17.5,24.6,28.7,28.9,25.3,16.2,10.4,4.4
1992,5.1,8.1,12.5,16.8,23.4,24.5,27.7,29.7,24.2,16.3,11.7,6.7
1993,5,9,11.7,17.1,23.8,27.5,27.4,29.3,22.8,17.4,10.1,7
1994,8.2,7.6,15.9,15.7,21,25.8,30.1,29.6,23.2,17,11.7,6.4
1995,5.6,8.7,12,16.4,20.3,23.1,30.1,26.6,21.8,19,10.7,6.4
1996,5.6,6.4,10.5,16.9,21.5,26.1,26.4,26.3,20.4,16.8,11.6,5.7
1997,7.2,9.3,15.3,15.7,21.8,25.2,27.1,27.6,25.4,17.9,11.2,7.2
1998,6.9,11.4,13,16.8,22.1,26.5,28.7,29.4,23.2,17.2,10.3,4.3
1999,5.7,7.2,12.9,16.9,21.9,25.6,28.1,27.6,24.9,18.2,9.8,4.7
2000,3.7,8.2,12.8,18.1,23.5,27.5,26.6,29,24.2,17.7,12.1,7.2
2001,6,9.7,13.6,16.8,23.7,26.2,28.5,30.3,21.7,20.4,9.9,3.9
2002,4.7,8.7,14.5,16.5,22.2,27.7,28,27.3,22.6,18.4,14.4,6.7
2003,5.6,7.5,14.2,17.3,25,28.7,31,31.6,24.7,16.1,12.7,7.7
2004,5.3,7.7,12.4,17.4,20.3,26.3,28.8,28.8,24,18.9,12.3,8.1
2005,5,6.5,12.5,16.9,23,27.8,29.2,26.8,24.6,17.6,10.6,5.5
2006,4.2,7.6,11.5,17.6,22.2,26.6,31.3,25.3,25.3,20.2,12.8,8.3
2007,8.1,11.1,13.7,20.1,23.4,27.1,29.5,27.2,22.2,17.4,9.7,5.7
2008,7.2,9.9,12.1,16.7,22.4,27,28.5,28.8,22.5,18.7,10.6,5.3
2009,5.1,6.7,12.3,19.2,24.1,26,29.2,30.1,25.6,16.9,12.2,5.1
