1901,5.2,2,6.2,12.9,17.3,19.7,23.8,22,19.1,13.9,8.6,5.6
1902,6.6,3.6,9.9,12.7,12.4,19,20.3,19.8,18,12.1,8.9,5
1903,5.8,8.3,11.1,8.6,16.9,18.4,20.4,19.4,19.7,14.5,9.1,3.9
1904,4.4,5.5,7.1,13.6,16.6,19.4,23.3,22,17.7,13.8,8.6,7.3
1905,4.7,6.3,10.1,11,16.2,21.3,22.5,20.5,17.4,10.5,7.8,6.1
1906,6.5,5.1,7.5,11.8,15.4,17.8,21.2,21.8,19.2,16,10.6,4.2
1907,4.9,3.6,9.2,11.1,16.3,17.1,18.1,19.8,19.6,14.7,10,6.6
1908,2.8,6.2,6.5,10,16.5,19.8,20.3,19.6,18.1,15.3,8.4,4.4
1909,4.3,3.9,5.9,13,15.9,16.5,17.9,20.5,17.1,14.6,7.6,6
1910,6,6.8,9.1,11.1,15.7,19.4,18.2,20.1,17.5,14.7,7.3,8.1
1911,4.3,6.4,8.6,10.8,17.6,19.2,23,24.6,20.4,14.2,9,8
1912,5.4,7.4,10.3,12.9,16.4,18.8,22.4,18.1,15.4,12.9,8.5,8.1
1913,6,6.6,9.9,12.3,16.1,17.8,17.9,19.9,18.6,15,12,6.8
1914,3.1,8.1,9.3,14.3,15.1,17.9,20.6,21.6,18.4,13.2,9,8
1915,6,6.3,7.8,10.8,17.2,20.4,20,20.5,18.8,12.2,7.1,8.7
1916,9.1,6.2,8,12.6,17.5,16.2,19.1,21,18,14.3,9.5,5.7
1917,2.6,2,5.6,8,19,22.6,21,20.2,19.6,12.9,10.4,3.3
1918,5.3,7,8.1,10.7,18.8,19.1,21.2,21.7,17.9,13.2,8.1,9.1
1919,4.7,4.3,7.5,9.3,17.5,17.8,17.8,20.4,18.8,11.2,6,7.3
1920,6.5,8.2,10.5,12.5,17.6,20,20.3,19.4,17.6,14.3,7.5,5.2
1921,8.8,6.5,10.3,12.2,18.1,20.7,23.5,22.5,19.7,17.5,6,6.9
1922,5.3,5.2,7.8,9.5,16.9,19.8,19,19.7,17,11.4,8.5,7.3
1923,7.3,6.2,9.7,11.2,14.5,15.3,23.1,21.9,18.9,14.9,7.3,5.4
1924,4.7,4.1,7,9.7,17.3,18.8,21.3,18.9,18.2,14.7,9.5,6.9
1925,7.4,7.6,7.4,12.3,15.7,20.4,22.1,20.8,16.7,14.1,7.1,5.6
1926,5.7,8.9,9.7,13.8,15,18.1,21.4,21.7,20.2,13.5,9.9,5.9
1927,6.7,6.5,10.7,12.5,14.7,17.7,20.5,21.1,18.3,15.2,8,2.8
1928,7.1,7.9,8.2,11.5,15.6,18.9,22.6,21.8,18,13.9,11.5,6.2
1929,2.2,-1.1,7.7,8.8,15.7,18.8,22.5,22.4,22.8,14.9,10.3,8.8
1930,8.6,4.7,8.5,11.7,14.3,20,20.2,22,18.7,15,11.2,6.1
1931,5.8,5.2,7.3,11.2,16.6,19.2,19.9,19.3,16.2,14.1,9.9,6.7
1932,7.5,4.9,7.8,10.5,14.7,18.9,20.9,23.2,19,13.4,8.7,6.5
1933,3.5,6,11.7,12.3,15.9,19.1,21.8,22.6,19.8,14.4,7.7,1.5
1934,5.1,5.7,8.4,13.4,15.8,19.7,22.3,21.4,21,14.7,9.1,9.3
1935,6.1,7.3,9.1,11.1,14.9,19.9,22.2,22.2,18.8,13.6,10.2,5.7
1936,7.3,5,9.9,9.8,16.4,20.2,19.5,21.1,18.9,13.1,8.3,6.4
1937,6.5,7.8,7.4,11.9,17.5,19.5,20.4,21.7,18.4,14.9,8.5,4.9
1938,7.5,6.6,11.7,10.6,14.8,19.4,19.9,21.9,19.6,14.2,11.6,4.1
1939,6.6,6.8,8.3,12.8,15.3,20,20.3,21.7,19.6,12.1,10.8,4.6
1940,-0.1,2.8,8.8,12.3,17.7,20.6,19.8,19.9,17.9,13.4,10.3,4.2
1941,0.9,4.9,8.7,10.4,13.4,20,22.9,18.8,19,14.4,8.2,7.6
1943,6.1,7.8,10.9,14.4,17.6,18.4,21.2,21,18.7,15.2,8.5,4.3
1944,7.6,4.7,7.4,13.2,16.2,17.5,20.4,23.2,17.8,12.7,9.3,5.6
1945,0.4,8.9,11.4,14.8,17.9,21.1,23.4,20.2,19,16.1,8.5,7
1946,3.2,7.3,7.6,14.2,16.3,17.1,20.8,19.9,18.6,13.7,9.9,3.5
1947,2.3,-1,6.8,12.8,18.4,20.7,22.1,25.1,22.7,15.6,11.1,6.5
1948,8.2,6.5,11.9,14.3,17.8,19.8,20.6,21,19.4,14.8,9.7,7.1
1949,7.2,8.3,8.9,15.4,15.8,19.7,23.4,23.1,22.6,17.2,9.4,8.1
1950,5.2,9,11.1,12,17.4,22.2,22.3,22.5,17.8,14.2,9.8,3.6
1951,6.5,7,8.4,12,15.4,18.9,21.2,20.2,19.7,13.8,11.5,7.5
1952,5.8,5.3,9.4,15.2,18.3,20.1,21.8,21.3,16.1,12.9,6.4,4.7
1953,3.7,5.5,10,13.3,17.7,18.4,20.4,21.7,19.2,15.5,10,8.9
1954,3.9,3.5,10,11.5,17.4,18.5,18.2,19.8,18.1,15.7,11.3,8.6
1955,4.3,4,6.6,12.6,14.7,19.3,21.2,22.8,19.6,13.9,10.4,8.2
1956,6.3,0.1,9.4,10.1,17.3,16.4,19.9,18.8,19.4,13.8,8.5,7.7
1957,6.7,8.6,12.7,13,15.1,21.8,22,20.4,17.2,14.8,9,6
1958,6.1,8.2,7.4,11,16,18.7,20.5,20.7,20.4,14.3,8.7,7.6
1959,5.7,4.3,10.6,13.5,17.5,20.3,23.4,22.6,21.9,16.9,9.4,7.4
1960,6.3,6.6,9.6,12.3,17.3,20.3,19.1,20.3,18.1,14,10.7,5.7
1961,5.4,9.3,11.2,14.3,15.2,19.3,20.1,20.3,20.9,15.7,8.6,5.5
1962,6.4,6.1,5.8,11.1,13,17.7,18.8,19.5,17.9,14.9,7.8,3.7
1963,-1.6,0.2,7.8,11.8,14.3,19.1,20,19.2,17.7,13.7,11.5,2.8
1964,3.7,6.4,6.3,11.3,17.8,19.1,21,21,19.6,12.6,9.3,5.5
1965,5.5,4.9,8.2,11,15.4,18.1,18.2,19.9,17.6,15.2,7.3,7.5
1966,3.3,7.8,9.1,11.7,15.8,19.9,19.1,20,18.7,14.9,7.9,7.6
1967,6,8,10.2,11.2,15.8,17.6,22.3,21,18.3,15.4,8.7,6.5
1968,5.9,4.4,9.4,13.1,14.4,19,19.8,20.5,18.5,15.6,8,3.6
1969,6.7,4,6.9,11.8,16.5,18.7,21.6,21.5,19.3,17.3,10.2,3
1970,4.8,5.4,6.7,9.3,16.4,21.7,19.3,21.5,19.3,14.9,11.1,5.7
1971,5.4,7,7.1,11.6,17.3,17.3,22.1,21,19.2,15.6,9.3,7.7
1972,4.5,6.3,10.8,11.2,14.8,16.7,20.1,19.8,16.5,14,9.5,6.9
1973,5.6,6.2,9.6,10.6,15.8,19.9,20.4,22.9,19.7,13.9,9.6,6.7
1974,8.1,8.1,9.3,13.6,15.5,18.5,18.9,20.9,17,11,9.5,9.4
1975,9.2,7.1,7.3,10.5,14.4,18.9,21.7,23.9,19.3,12.9,8.9,6.1
1976,6.9,5.3,7.3,11.8,17.7,22.6,24.2,23.4,18.3,15,9.6,4.7
1977,5.4,7.6,10.3,10.7,15.6,17.2,20.3,20,18,15.9,10.1,7.7
1978,5.9,4.4,9.6,10.9,15.5,18.3,19.1,19.8,18.1,15.2,10,5.6
1979,1.5,2.4,7.8,11.3,15.3,18.2,20.2,20,18.8,15.2,9.9,8.4
1980,3.8,8.1,8.5,11.7,16.1,18.4,18.9,21.2,19.8,13.8,8,6.7
1981,6.2,5.1,11.2,11.9,16.3,17.3,19.6,20.9,19.4,12.9,10.4,3.9
1982,4.4,6.3,9,11.8,17.1,20.6,22.5,21.3,20.9,14.2,11.1,6.7
1983,8.8,4.1,8.9,11.7,13.9,19.6,24.3,22.5,18.3,14.8,10.4,7
1984,7.1,5.5,8.1,12.4,13.1,17.8,20.4,22.2,17.5,14.8,11.9,7.3
1985,1.3,2.7,6.9,12,15.8,17.9,21.6,20.2,19.4,14.9,6.6,7.7
1986,5.7,0.3,7.4,9.4,16.4,20.8,21.1,19.8,16.2,15.7,11,8.4
1987,1.1,4.9,6.6,14.4,13.9,17.2,20.7,20.6,19.3,15.3,9.4,6.7
1988,8.8,7.6,8.8,13,17.4,18.1,19.5,21.1,18,15,9.8,9.2
1989,7.5,8.2,11.8,10.7,19.3,20.1,22.6,22.3,20,16.1,10.1,8
1990,8,11,12.1,13.1,18.8,18.5,21.9,24.1,18.1,16.1,9.9,6.8
1991,6,3.4,12.3,12.2,13.3,16,22.2,23.2,20.5,14.4,9,6.4
1992,5.6,7.6,9.6,12.1,19,20.1,21.8,21.8,18.2,11.7,10.8,6.4
1993,8.5,4.9,9.7,14.7,17.8,19.9,19.9,19.4,17.2,12.6,6.6,7.7
1994,7.4,5.4,10.1,12,15.5,19.5,25.5,21.5,17.3,14.1,13,8.8
1995,7.3,9.2,9,12.2,17.2,18.3,24.4,24.9,18,17.5,10.4,3.5
1996,4.7,4,7,14.1,13.7,19.9,21,21.6,17.3,14.8,8.8,4
1997,2.9,9,11.3,12,16.8,19.3,20.9,25.5,19.5,14.4,10.4,7.9
1998,7.6,9.3,10.5,12.1,18.7,19.2,19.3,21.4,18.9,13.2,7.3,7.4
1999,8,6,10.7,13,18,18.8,23.2,22,21.4,14.4,9.7,7
2000,6.8,8.8,10.3,13.2,18.3,20.1,19.2,22.5,20,14.9,10.4,7.8
2001,6,7.6,8.4,11,18.1,19.6,22.4,23,17.4,17.4,10.7,6.2
2002,7.1,10.1,11.2,13.6,16.5,19.9,20.7,22.4,19.5,14.5,11.5,6.4
2003,5.7,6.1,11.6,14.5,17.3,22.4,23.2,24.3,20.8,12.8,10.8,7.4
2004,6.8,8,9.8,14.3,16.3,20.2,21.1,22.9,20.1,15.1,10,6.6
2005,8,5.5,9.5,13.7,16.2,21.3,21.4,20.9,20.7,17.3,10.4,6.6
2006,5.1,5.2,7.7,12.4,17,20.7,26.3,20.6,22.3,17.6,12.5,8.8
2007,9.8,9.1,11.8,16.8,17.7,20.4,20.4,21.3,18.7,14.3,10.4,6.7
2008,8.8,9,9.7,13,19.7,19.5,21.7,21.3,18.3,14.3,10,5.4
2009,4,6,10.2,15.7,18.1,19.9,22,23.7,20.2,15.2,12.4,5.6
