1901,0.3,0.8,4.6,10.3,16.1,17,22.2,20.1,17.1,13.1,7.2,3.5
1902,5.1,1.1,5.2,9.6,11.6,18.5,17.1,16.5,14.7,10.8,5.5,1.5
1903,2.4,5.8,7.8,7.9,15.5,18,18.8,17.7,16.8,12,7,1.9
1904,2.5,2.9,4.8,10.6,14.3,17.2,20.6,19.9,16.2,12,7.1,5.6
1905,2.8,4.2,6.5,7.4,15.9,21,20.4,19.7,15.6,8.9,5.5,4.3
1906,3.4,3.1,4.7,10.8,15.7,17.6,19.6,19.2,16.6,12.9,9.3,1.8
1907,2.9,1.2,5.8,9.8,14.9,16,17.2,17.2,15.8,14.4,6,3.6
1908,2.4,4.5,4.3,8.5,14.2,19.2,20,18.1,15.8,12.5,6.3,3.2
1909,2.2,1.7,2.8,8.9,13.2,16.4,17.3,18,15.2,13.4,5.9,3.8
1910,3.8,4.6,6.9,10.2,16.4,20.8,19.6,19.6,16.4,12.5,4.9,4.9
1911,3.5,4.9,5.9,9.8,17.7,18.1,21,23,17.8,11.7,7.3,4.9
1912,0.1,2.4,7.2,10.8,13.2,18,22.4,17.9,13.6,10.9,6.5,6.9
1913,2,4.4,7.7,11.5,15.4,17.5,18.6,18.5,16.7,12.7,9.5,5.8
1914,2,6.3,6.6,12.1,14.3,18.1,21.8,20.9,16.9,11.7,6.3,5.5
1915,2.6,3.3,4.2,9.7,14.8,18.7,18.1,18.4,15.9,9.6,4.8,3.4
1916,5.9,3.4,3.6,11.3,14.9,15.5,18.8,18.5,15.4,11.2,7.5,3.6
1917,0.1,1,2.2,6.6,18.2,22.6,20.3,20.6,17.4,10.7,8.4,2.3
1918,3,3.8,6.3,11.7,18.1,16.1,19.3,19.6,15.2,12,6.4,5.8
1919,3.2,2.1,4.8,9,16.6,17,17.4,17.7,17.6,9.9,3,2.1
1920,3.8,6.3,8.8,11.2,15.6,19,20.2,18,15.8,10.2,5.5,2.9
1921,6,4.6,9.2,12.4,17.7,17.2,20.4,20.1,16.9,14.5,3,4.8
1922,0.3,0.8,5.2,8.6,15.2,17.5,18,18.1,14.7,9.2,6.4,5.6
1923,5.1,2,7.8,9.9,13,14,21.7,18.3,16.3,12.8,5.3,1.1
1924,0.8,1.1,3.6,8.1,14.9,17.7,19.8,19.3,17.2,12.6,7.2,5.6
1925,5.8,5.8,4.9,11.7,17.5,17.4,22.5,19.8,14.8,11.2,4.6,2.3
1926,2.4,3.8,6.6,11.9,14.1,18.1,22,19.8,17.1,9.9,7.6,4.2
1927,4.4,3.8,8.4,9.3,13.1,15.7,20.3,20.4,16.7,12.2,4.5,-0.7
1928,2.9,4.8,6.1,10.7,15,16,19,19.1,16.5,12.6,8.9,3.2
1929,-0.7,-2.9,4.7,7.6,16.7,16.5,19.6,20.5,18.2,13.4,8.2,6.4
1930,5.6,3.2,7.1,11.3,15.6,21.7,20.8,20.5,16.4,13.3,8.6,3.9
1931,3.3,2,3.6,9.6,17.4,17.5,19.9,20.3,14.6,12.2,7.3,5.1
1932,6.2,4.1,4.7,10.7,16.3,19.3,23.2,22.6,17.7,11.4,7.8,4.9
1933,1.7,3.5,7.8,10.9,16.3,21.4,21.9,21.5,17.6,13,6.2,2.1
1934,3.3,5.4,7,12.4,16,19.7,21.9,21.2,19.3,13.9,8.1,5.9
1935,3.8,5.4,6.6,11.2,15.5,20.5,21.3,21.6,17.9,13,8.1,3.4
1936,5.3,2.2,6.6,8.7,16.1,21.3,21.3,20.8,17,12,7.9,6.1
1937,1.3,3.8,4.9,11,17.7,19.2,20.8,22.5,18.1,13.9,6.7,2
1938,4.7,5.3,9.5,11.1,15.2,17.8,20.1,22.9,18.8,12.6,10.6,2.6
1939,3.9,5.8,5.9,11.3,16.4,20.6,20.8,22.6,18.7,9.9,8.1,2.5
1940,-2.1,-3.2,4,10,16.7,21.5,20.1,18.4,15.5,11.2,8.6,2.7
1941,-3,0.4,4.4,8.4,14.4,20.1,23.5,19,16.7,12.4,4.6,5.8
1942,-3.8,-2.3,1.7,11,15.8,16.4,18.9,21.7,16,14.3,8.1,6.1
1943,1.8,6.5,9.4,11.8,16.9,19.2,21.3,20.8,18.2,14,7.1,4.6
1944,6.4,3.9,6,11,14.3,17.4,21.2,24.3,16.9,12.8,7.7,4.2
1945,1.9,5.3,9.6,12.3,17.3,19.6,22.2,21.5,18.1,14.9,7.1,4.7
1946,2.2,4.7,4.8,13.6,18,17.8,22.5,20.9,18.2,11,7,2
1947,-1.3,-3.7,2.7,10.3,19.7,22,22.8,25,20.7,13.6,8,4.7
1948,3.9,3.7,8.6,15,17.9,20.2,21.8,21,18.1,13.1,8.5,5.5
1949,5.3,6.6,6.7,12.9,16.3,19.1,21.6,21.6,21,15.2,7.7,6.3
1950,2.4,4.9,8.1,11.1,17,20.2,20.7,22.4,16.8,11.9,7.1,1.7
1951,3.1,3.4,4.5,10.5,15.3,18.6,19,20.8,18.2,12.2,9.2,7.2
1952,3.5,4.3,4.8,14.2,16.1,16.9,20.2,20.4,15.1,10.3,4.5,2.9
1953,3.3,2.3,7.8,12.2,16.8,21.5,20.8,20.2,16.7,13.5,9.5,5.6
1954,1.9,-1.1,5.4,9.9,17.4,18.7,17.7,18.7,16.4,13.1,7.3,6.2
1955,1.3,1,3.5,9.8,13.1,17.2,22.7,23.2,18.4,12.3,8.7,5
1956,2.8,-3.5,5,9.1,15.9,16.9,21,17.5,17.7,12.2,6.9,5.5
1957,4.5,5.3,8.1,11.8,14.1,19.9,20.8,19.5,15.1,13.4,7.3,4.2
1958,2.8,3.4,2.8,8.5,14.4,18,19.8,19.7,18.9,13.8,7.9,5.8
1959,3.7,3.1,8.5,13.2,17.4,19.7,23.3,22.4,18.4,14.7,7.7,4.8
1960,3.3,2.6,6.5,10.8,16.1,19.1,18.6,19.7,16.9,11.4,8.4,4.1
1961,2.6,6.1,8.5,13.2,14.2,19.6,18.4,19,19.1,14.4,7.3,2.8
1962,4.5,4.2,3.7,10.5,12.9,17,17.7,17.8,16.2,13.5,6.2,1.8
1963,-2,-1.9,3.8,10.2,15.3,19.2,20.4,19.8,16.7,12.3,9.3,2.1
1964,2.9,3.8,2.6,11.7,16.6,18.9,19.1,19.6,17.4,11.3,8.3,4.3
1965,3.9,3.6,5.8,10,14,18.1,17.7,19.4,17.1,13.6,4.4,3.8
1966,0.7,2.5,5.9,7.7,16.9,20.3,19.4,19.4,17.1,13.6,6.3,4.5
1967,3.7,5.7,8.3,10.3,16.1,18.6,21.5,20.6,17.9,14.1,7.9,4.9
1968,2.5,2.8,7.4,13.5,14.8,20.7,20.2,22.5,17.5,13.7,7.2,1.2
1969,3.1,0.6,3.3,10.5,14.2,19.9,21.7,23.2,18.8,14.3,8,-0.7
1970,-0.6,0.7,3.7,7.2,16.2,22.7,19.2,21.2,16.8,12.6,8.4,4.7
1971,2.9,5.2,5.1,10.3,17.6,18.1,21.4,21.3,17.2,13.8,7.7,7.1
1972,-0.5,2.7,7.6,10.4,16.2,18,22.5,20.6,15.6,12.3,8.2,5.4
1973,4.2,4.9,8.3,9.4,15.2,20.2,21.5,21.2,17,11.4,6.9,4.1
1974,5.1,5.9,7.8,13.7,15.3,18.6,17.6,20.6,16.6,10.2,7.9,7.3
1975,7.4,4.7,6.4,9.3,15,19.6,21.4,24.6,19,11.4,7.1,6.3
1976,3.9,2.8,4,10.5,16.1,20,23.6,22.7,16.6,12.3,8.2,2.8
1977,2.2,3.6,7.7,8.7,16.3,18.7,19.8,19.8,16.4,13.7,8.3,5.5
1978,3.5,1.6,6.5,8.9,16.8,18.9,17.9,19.2,15.2,13.5,9.4,1.9
1979,-1.3,-0.4,4.4,8.8,14.9,18,17.2,19.2,17.3,12.2,7.4,5.4
1980,0.5,2.6,4.7,10.9,16,19,19.1,19.5,17.9,11.9,7.2,5.1
1981,2.7,2.9,7.1,11.2,17.8,17,18.9,20.1,18.4,11.5,8,0.1
1982,0.3,2.5,7.3,11.1,15.3,19.5,22.2,21.8,18.3,13.6,9.4,5.5
1983,7,3.1,6.7,10.8,14.4,19.3,22.6,22.3,16.8,13.5,8.2,4.4
1984,3.7,2.6,4.6,11.4,15.7,16.2,18.1,21.9,15.9,13.9,7.9,4.2
1985,-1.6,0.4,4.7,9.5,17,17.4,20,19.8,16.1,13.3,4.6,6
1986,2,-1.4,4.9,9.3,16.3,19.7,19.8,19.2,14.8,13.4,9.9,5.3
1987,-0.6,2.4,2.4,11.8,13.3,15.4,19.1,18.2,16.8,12.7,8.1,5.1
1988,6.2,5.2,5.7,10.8,17.8,18.7,19.9,19.6,17,12.4,7.5,6.6
1989,6.6,7.1,9.6,10.1,17.3,20.6,21.2,19.7,18.3,14.1,7.9,5.5
1990,6.2,8.4,10,12.6,17.9,17.9,19.6,22.1,15.8,14,7.3,5.2
1991,4.5,1.5,8.8,11.5,13.4,15.6,22.5,21.3,18,12.9,7.4,5.8
1992,5.5,6.3,8.2,10.9,18.8,22.9,22.3,20.7,17.2,10.5,8.1,4.8
1993,4.9,3.9,7.1,12.8,17.9,18.2,18.1,18.3,15,11,3.8,4.9
1994,5.2,1.5,7,11.8,16.2,17.5,25.3,21.6,16.4,11.7,9.7,6.8
1995,3.7,6.9,6.7,11.5,15.7,18.2,22.8,24.1,17.2,15.7,7.5,0.6
1996,-0.1,-0.1,3.7,12.4,13,17.7,19.3,22.7,16.6,13.6,7.2,2.6
1997,1.5,5.9,7.6,10.5,14.9,20.2,22.5,25.3,18,12.5,6.9,4.9
1998,5.4,7.2,8.5,11.3,18.2,19,18.8,19.6,16.9,11.7,4.6,4.1
1999,5.3,4.2,7.7,12.7,16.8,18.6,23,21.9,21.3,13.5,8.6,5.4
2000,5.6,6.8,7.8,13.5,18.9,18.7,18.6,20.5,17.7,14.4,9.6,6.3
2001,3.6,4.1,4.8,10.5,17.5,17.5,22.1,22.2,15.8,15.7,8.8,3.6
2002,5.6,7.8,8.6,12,17.2,20.1,21.1,24,18.7,11.2,7.2,2.4
2003,3.4,1.9,8.2,12.8,16.9,21,23.1,24,18.9,10.7,9.3,6.4
2004,2.7,5.2,7.7,13.1,16.8,18.1,19.8,22.5,18.2,13.1,8.3,5.6
2005,5.9,2.7,5.8,13.1,16.3,19.4,21.7,19.7,19.3,15.6,8.6,4.9
2006,1.8,3.4,3.6,11.1,17.1,20.2,25.6,21.2,21.2,16,11.2,8.9
2007,8,5.7,10.4,15.4,17.3,20.6,20.2,21.6,16.9,12.8,7.9,5.6
2008,6.8,7.1,7.2,11.9,19,20.9,22,20.7,17.1,12.8,8.7,4.7
2009,3,3.4,7.7,15.4,17.4,18.5,22,23,18.9,11.6,10.3,3.2
