1901,0.5,0.7,3.6,10,16.4,17.9,23.5,21.2,17.3,13.1,7,2.6
1902,4.9,1.3,4.9,9.6,12.4,19.4,18.2,16.7,14.8,10.7,5.4,1.2
1903,1.4,5,7.1,8.7,15.3,19.1,19.6,17.3,16.3,10.1,6.3,1.3
1904,2.1,0.9,3.7,9.9,14.1,18.1,20.4,19.1,16.2,11.2,6.1,4.8
1905,2.8,3.9,5.6,7.1,15.7,21.2,21.1,19.4,15.4,8.4,5.1,4.2
1906,3,2.3,4.2,10.1,15.9,19.1,19.6,19.4,16.6,11.9,8.7,2
1907,2.4,1.6,5.5,9,14.2,16,17.9,16.3,15,13.8,6.3,2.8
1908,2.8,4.3,3.3,8.6,13.4,18.3,20.5,18.7,15.4,11.8,6,3.4
1909,2.6,1.6,1.8,7.8,12.4,17.2,17.5,17.7,14.8,12.7,5.9,3.3
1910,3.2,3.8,6.4,9.5,16.3,20.6,20.5,19.2,16.1,11.6,4.6,4.2
1911,3.7,4.6,5.3,9.9,17.2,18.5,20.6,22.4,17.1,10.9,6.9,4.6
1912,0.6,1.2,6.4,10.4,12.9,17.6,22.2,18.1,13.8,10.5,6.1,6.3
1913,1.4,4.1,6.7,10.9,15.1,18,19.6,18.3,16.3,11.3,9.1,5.4
1914,2.2,5.6,5.7,11.4,14,19.2,22.9,21,16.5,10.5,6.3,4.9
1915,1.6,2.5,3.2,9.6,14.4,18,18.1,18.6,15.8,8.9,4.7,1.4
1916,5.3,2.5,2.4,10.5,14.2,15.7,20.1,18.2,15.1,10.1,7.5,3.3
1917,-0.8,1.7,1.1,6.8,16,21.6,20.7,20.8,16.3,10.3,7.9,3
1918,1.9,2.7,5.2,9.9,16.8,16.1,19.1,19.2,14.3,11.6,6.5,4.4
1919,2.4,0.8,3.7,8.9,16.5,17,19,17.1,16.2,9.8,2.4,1.5
1920,2.9,5.1,7.6,9.8,14.8,18.9,19.9,18.2,15.6,9.5,6.1,2.5
1921,4.9,4.2,7.9,12.2,16.5,17.1,19.2,18.7,15.5,12.8,3.2,4.7
1922,0.3,0.2,4.2,8,13.6,16.7,17.8,17.7,14.6,9.4,6.4,5.2
1923,5,0.6,5.8,8.5,12.2,14.2,20.7,16.9,15,11.7,5.2,1.4
1924,0.6,0.8,2.4,6.8,14.1,16.4,18.7,19.3,17,11.9,7.3,5.4
1925,5.2,4.7,4.2,11.5,16.6,17.9,23.4,20.4,15.7,10.3,4.2,1.7
1926,1.6,1.4,5.8,11,14.3,18.2,22.4,20.1,16.6,9.3,7,4.2
1927,4,2.9,7.3,8.8,12.4,15.1,21.2,20.9,16.6,11.2,4.3,-1.7
1928,1.9,3.8,4.9,10.5,14.7,15.4,17.8,18.7,16.6,11.5,8,2.9
1929,-0.1,-3.6,5.3,7.4,15,16.2,19.2,19,17.4,12.1,7.2,5.7
1930,4.8,2.3,5.6,10.5,14.9,20.4,20.6,20.3,16,11.9,7.6,3.8
1931,2.4,1.1,2.4,8.7,15.8,15.9,19.9,19.7,14.5,11,6.9,4.7
1932,5.6,4.5,4.2,9.6,15.4,18.6,22.6,20.7,16.6,10.2,7,4.6
1933,1.6,2.5,6.1,10.6,15.9,21.9,22.2,20.4,17.8,11.9,5.4,2.6
1934,3.8,5.6,5.8,10.8,14.9,18.2,21.4,19.8,18.6,12.3,7.4,5.6
1935,2.8,4.1,5.4,10.2,14.9,18.8,20.2,19.9,16.2,11.5,7.1,2.4
1936,3.4,1.1,4.6,7.5,15.8,20.9,21.3,20.2,16.8,10.7,7.1,5.3
1937,0.8,1.6,2.8,9.7,16.5,18.4,21.6,22.3,16.8,12.7,6,0.9
1938,3.6,4.8,8.8,11,14.7,17.1,20,22.3,17.9,11.9,9.5,0.6
1939,2.4,5.2,5.1,10.4,15.8,19.4,20.1,22,18.1,9.3,7,2.3
1940,-1.3,-4.1,2.2,8.1,16.5,21,20.5,18.1,14.5,9.9,7.2,2.2
1941,-3.7,-1.6,2.7,7.6,14.5,19.7,23.7,18.6,16,10.7,3.8,4.6
1942,-5.1,-3.5,-0.7,10.1,14.8,16.4,19,20.1,16.6,12.3,7.4,4.7
1943,0.8,5.7,8,11.1,16.3,19.2,20.4,19.3,16.9,12.5,6.4,4.2
1944,5.2,3,5,9.8,13.6,16.9,21.5,22.8,15.9,11.5,6.4,3.4
1945,0.8,3.3,7.9,11.1,15.5,18.1,21.5,20.9,17.3,13.3,6.4,3.7
1946,2,3.2,3.7,11.7,16.7,16.7,21.1,19.6,17.1,10,6.7,2.2
1947,-1.1,-3.6,1,8.8,18.9,20.6,21.7,23.7,19.7,12.2,6.4,3.9
1948,1.7,2,7.4,13,16.7,19.1,21.2,19.8,16.4,11.5,7.2,5.5
1949,4.8,5.6,5.4,11,15.6,17.5,21.3,19.4,19.3,13.6,7.4,5.7
1950,1.7,3.5,7.4,10.5,16.6,19.5,20.2,21.1,16.2,11.2,6,1.4
1951,1.5,2.2,2.6,9.1,15.1,19.1,19.1,19.9,17.1,12,8.4,6.9
1952,2.4,3.9,3.6,12.3,15.9,16.9,20.7,19.9,14.8,9.5,4.3,2.8
1953,2.8,1.6,6.9,10.9,16.3,21.7,20.8,20,16.8,12.8,9,4.8
1954,1.9,-1.2,3.8,10,18.2,19,18.6,18.7,16.2,12.2,6.4,5.1
1955,1.3,0.2,3.1,8.8,12.8,17.7,23.4,23.4,18.2,11.5,8.1,3.3
1956,1.8,-2.7,4.1,8.9,15.5,17.4,21.3,17.6,17.2,11.4,5.9,4.7
1957,3.8,3.9,6.2,10.9,14.2,18.8,20.5,19.6,14.9,12.3,6.5,4
1958,1.3,1.4,1.7,8.1,13.6,18.8,20.6,19,18.2,13.3,7.8,3.8
1959,2.3,3,6.9,11.6,17.1,20.2,22.5,22.1,17.5,13.3,7.3,3.5
1960,1.7,1.1,5,10.2,16.2,19.4,18.7,19.8,16.9,9.9,7,3.5
1961,1.9,4.9,7.9,12.4,14.9,19.1,18.6,18.2,17.5,13.3,7,2.2
1962,3.9,3.9,3.5,10.1,12.7,17,18.5,17.2,15.3,12.6,5.7,2
1963,-1.9,-2.1,2.1,8.8,14.9,19.2,19.9,19.2,16.1,11.8,8.3,2.4
1964,3.1,3,2.8,11.6,15.8,17.4,17.8,18.6,16.1,11.2,8,4.1
1965,3.1,3.1,5,9.7,13.2,17.8,17.8,18.7,16.9,12.4,3.9,1.7
1966,-0.9,-0.2,5.2,7,15.9,19.8,19.5,18.7,16,12.2,5.8,3.3
1967,1.8,4.2,7.5,9.1,14.6,17.9,20.4,20,17.2,12.5,7.7,3.7
1968,1.4,1.9,6.6,11.8,13.9,20.6,19.6,21.8,17.6,12,5.5,1.3
1969,1.5,-0.6,3.1,9.8,12.7,20,20.7,23.2,18.1,12.8,6.6,-0.2
1970,-1.2,-1,2.6,6.4,15.4,22.7,18.7,20.9,15.8,12,7,4.5
1971,2.6,4.5,4.3,9.4,16.2,17.9,20.4,20.1,16.3,12.5,6.8,6.7
1972,-0.2,1.3,5.7,9.9,15.5,17.6,22,20,15.4,11.7,7.4,5.3
1973,3.5,4.7,8.5,9.4,14.7,19.4,22.3,20.4,16.2,10.5,5.7,3.6
1974,4.3,5.2,6.8,12.6,15.3,19,17.8,19.9,16.6,9.7,6.8,6.4
1975,6.3,4.2,5.8,8.7,15.6,19.2,20.9,23.9,17.7,11.4,6.7,6.5
1976,3,1.9,3.2,9.5,15.2,18.7,22.9,22.8,15.6,10.7,7.2,1.9
1977,0.8,0.8,6.2,7.9,15.8,19.2,19.3,20,16,12.7,7.7,4.7
1978,3,0.1,4.6,9.1,16.8,19.5,18.7,19.6,14.5,12.4,9.2,0.2
1979,-1.9,-0.9,3.3,8,13.9,17.9,17.5,18.8,16.2,10.6,6.7,3.5
1980,0.2,0.3,3,10.6,16.5,19.3,20.5,18.8,17,10.5,5.8,4.6
1981,2.2,2.3,4.7,10.3,17.3,16.8,18.8,19.1,17,10.3,7,-0.9
1982,-1.6,1.3,6.1,10.3,14.5,19,21.7,21.3,16.5,12.2,8.3,4.6
1983,6.3,2.1,5.8,9.8,13.6,18.4,21.5,21.2,16.1,12.1,6.9,4.1
1984,2.2,1.7,3.3,10.4,16.5,17.5,19.4,21.3,15.1,13,7.5,4.3
1985,-2.7,-1.2,3.4,7.9,16.3,17.4,19.9,18.8,14.9,13.4,4.1,4
1986,0.5,-1.7,4.1,8.4,15.2,19.3,19.5,18.9,14.2,12,9,4.1
1987,-2,1.9,1.7,10.2,13.1,14.5,18.9,17.7,16,12,7.2,4.9
1988,5,4.3,4.3,9.2,17.8,20.9,20.4,19.1,16.9,11.5,6.9,6
1989,6.8,6.6,8.3,10,16.2,19.7,22,19.3,17.8,13,7.8,5
1990,5.7,7.7,9.5,12.6,17.4,18.9,20.4,21.5,15.4,12.4,6.6,4.6
1991,3.8,1.1,7.2,10.9,14,15.4,22.7,21.3,17.8,11.9,7.1,6
1992,5.4,5.9,7,9.5,18.8,23.3,22,19.7,16.8,9.7,7.4,4.6
1993,4.1,4,6.6,11.9,18.3,17.8,17.7,17.9,14.2,10.2,3.5,3.6
1994,4,0.5,5.7,11.4,15.9,16.3,24.5,20.9,15.1,10.5,8.4,6.2
1995,2.6,5.6,5.6,10,14.2,17.8,22.1,23,16.4,13.9,6.2,3.7
1996,-0.9,-0.8,3,11.1,11.9,17.3,19,22.3,15.6,12,6.2,1.6
1997,1.2,4.3,6.7,9.2,13.5,19.5,22.9,24.7,16.6,11,5.8,3.6
1998,4.3,6.2,7,9.3,16.3,17.3,17.9,17.6,15.9,10.5,3.4,2.7
1999,3.6,3.6,5.7,11.6,14.8,16.8,21.5,21.1,19.4,11.6,7.8,4
2000,4.7,5.4,6.2,11.7,17.3,17.4,18.4,18.4,15.9,12.9,8.3,5.1
2001,3.6,2.4,3.7,9.1,15.9,16.8,21.4,20.9,15.5,14.1,8.1,2.9
2002,5.3,6.9,7.7,11.5,17.1,20.2,21.1,23.9,18.6,9.8,5.9,1.8
2003,2.7,1.4,6.8,11.8,15.7,20.4,22.7,22.9,18.3,10.3,8.8,6.4
2004,1.5,4.6,7.1,12.3,16.7,18.3,19.9,22.3,17.6,11.6,7.5,5.8
2005,5.3,2,4.5,11.8,15.3,18.8,21.5,19.9,18,13.9,8.4,4.7
2006,1,2.7,2.3,10.3,16.4,19.8,24.6,21.8,19.8,15,10.5,8.7
2007,7.4,4.1,9.2,14.4,16.2,20.9,19.8,21.3,16.4,11.8,7.6,5.8
2008,6,7.1,6.5,11.5,18.3,20.5,22.4,20.9,16.5,12.5,8,4.5
2009,3.1,2.7,7,14.3,16.7,19.1,21.8,21.8,18.2,10.7,9.4,2.6
