1901,0.3,0.8,7.3,12.2,16.3,21.6,21.8,22,18.4,14.3,6.4,4.2
1902,2.8,5.7,8.4,13.4,13,18.5,22,21.6,18.4,13.4,6.3,2.2
1903,2.1,4.9,9.2,9.6,16.2,18.9,21.3,22.3,18.8,14.7,8.5,5.1
1904,3.7,6.8,8.5,12.8,17.6,21.7,23.9,22.7,16.8,13.7,6.6,3.6
1905,-0.2,3.3,8.6,11.9,15.2,20.2,23.4,22.4,19.6,9.8,8.7,3.4
1906,1.9,4.5,7,11.7,16.5,20.4,21.8,22.6,17.2,13.5,9.7,2.4
1907,0.2,3.2,6.1,10.2,17.4,21.1,20.8,22.7,18.8,16.4,8.2,5.2
1908,1.5,4.8,6.7,10.4,18.2,21.5,21.4,21,17.2,13.6,5.7,2.6
1909,0.8,1.7,6.7,12.8,16,19.3,20.8,22.3,17.9,15.2,7.4,5.7
1910,2.9,6.3,8.9,11.7,15.4,21,20.3,21.8,16.8,13.9,6.8,6.6
1911,2,3.3,7.9,11.6,16.2,19.7,23,23.6,19.6,13.5,10.6,5.5
1912,3,6.4,10.1,10.4,16.6,20.4,21.7,20.4,15,11.3,5.8,3.8
1913,2.5,2.9,8.8,11.8,16.1,20.4,19.3,20.6,17.9,14.3,9.4,2.8
1914,-1.1,4.9,8.7,13.1,15.7,19.4,21,21.8,18,12.7,8.2,5
1915,2.8,4.7,7.2,12,18.1,21.2,21.8,20.8,16.7,11.8,6.6,6.4
1916,2.7,5,9.5,12.7,17.3,20.2,21.7,21.7,16.6,13.3,9.8,5.8
1917,1.9,1.5,6,10.4,17.7,22.3,22,22.9,20,13.2,7.2,2.3
1918,1.7,4.2,7.9,11.5,17,17.9,21.5,21.2,20.3,12.5,7,3.9
1919,5.3,4,8.4,11.1,14.5,20.3,20,22.7,19.6,11.7,6.3,2.7
1920,5,6.7,10.2,13.2,19.5,19.9,22.7,21.1,19.4,12.4,6,4.8
1921,5.2,5.2,9.2,11.6,17.6,20,23.9,23,18.7,15.1,7.9,2.2
1922,1.8,3.5,9.7,10.7,18.1,21,21.9,23.2,17,12.2,6.1,3.5
1923,3.6,4.9,8.7,11.8,17.5,17.2,23.1,23.5,17.8,15.6,10.2,3.7
1924,1.6,3.5,7.8,12.2,18.5,20.8,22.1,20.1,19.4,13.4,7.7,5.3
1925,3.7,7.4,6.8,12.5,16.8,20.8,21.6,22.2,17.6,14.4,8.4,1.1
1926,1.4,7.1,8.4,13.5,14.5,19.2,21.4,21.6,21.1,14.6,10.9,3.7
1927,3.9,3.3,9.5,13.2,16.8,22,22.9,23.5,19.6,13.9,10.1,3.5
1928,3.5,5.3,7.1,13,14.4,20.3,25.4,24.4,18.5,13.7,9.2,2.6
1929,-0.5,-0.9,7,10.2,17.7,21.7,22.9,23.2,20.2,14.4,9.7,5.3
1930,4.4,4.5,9.1,12.8,15.6,22.3,21.7,21.8,19.8,12.8,10.2,4.4
1931,3.3,5.3,6.6,10.8,17.9,23.3,23,22.7,15.8,13.5,9.3,2
1932,3.9,0,5.65,11.15,16.65,19.2,21.6,23.9,21.75,14.2,9.3,5
1933,2.7,4,8.1,12.3,15.3,18.1,22.5,23.1,18.7,14.4,8.1,-0.4
1934,3.3,4.7,9.6,13.9,18.8,20.5,22.6,21.6,19.6,13.4,9,5.7
1935,0.6,2.9,7.6,11.3,14.8,22.9,23.3,22,19,15.2,10.1,4.3
1936,6.5,5.4,10.1,12.1,17.2,20.5,22.7,22.3,18.6,10.2,7.9,3.6
1937,1.9,6.3,8.4,12.1,17.8,21.7,22.4,21.9,18.1,13.7,8.7,3.3
1938,1,4.5,9.6,9.9,15,22.7,23,22.4,18.2,15.1,9.4,3.4
1939,4.7,6,6,13.2,13.8,20.9,22.5,22.9,18.2,12.9,9,3.4
1940,-0.1,2,7.2,12.4,16.7,20.2,21.7,21.2,19.1,13.7,9.3,-0.6
1941,1.4,4.9,8.1,11.7,14.5,21,23.2,22,17.5,12.9,6.6,2.1
1942,-1.4,3.1,8.4,11.8,17.1,21.5,22.5,23,22.3,16.2,8.2,4.9
1943,0.8,6.6,9.1,13.5,17.3,20.5,22.7,25,21.4,15.9,7.5,5.4
1944,2.4,3.7,4.5,13.3,16.9,20.2,21.8,24.3,19,12.1,6.5,1.5
1945,-0.9,4,9,13.4,18.5,22.6,24.4,22.8,19.5,13.7,8.2,4.5
1946,1.6,5.4,8.9,13.6,17.3,20.8,23.9,23.8,20.7,12.3,7.8,2.2
1947,-1.6,3.1,8.4,14.2,18.2,22.4,23.9,24.2,20.5,13.1,8.6,3
1948,5.7,4.1,10.4,14.3,17.7,20.3,19.7,22.2,19.2,13.7,8.5,2.8
1949,4.1,5.2,6.4,14.3,15.8,19.2,21.2,21.4,19.5,14.5,8.5,2.9
1950,1.1,5.6,9.3,11.4,17.4,21.9,24,22.9,18.2,13.1,7.4,4.2
1951,5.6,8.1,8.2,12.9,16.4,21.3,22.9,23.6,20.9,13.6,11.1,3.9
1952,2.7,3.1,7.1,14.4,17.7,22.2,25.3,24.2,18.2,13.8,7.8,4.3
1953,2.7,3.7,8.1,13.8,17.9,20.2,23.1,22.3,20,16.3,7.8,6.6
1954,-0.2,2.7,9.2,11.8,16.1,21.9,21.6,21.8,20.9,13.9,9.4,5.9
1955,5.6,6.5,6.5,12.2,16,20.4,22.9,21.9,19.2,14.4,8.3,5.7
1956,4.7,-0.4,6.6,11,17.8,19.7,23.6,23.5,20.5,13.6,7.5,3.1
1957,3.6,6.9,9.4,12.7,15.5,21.9,23.4,22.4,19.1,14.3,10.2,4.5
1958,2.8,6,6,10.4,18.9,20.6,23.3,23.6,20.5,14.9,10.9,5.3
1959,3.4,5.6,10.3,13.2,16.9,21.3,24.6,22.6,18.9,13.7,9.9,6.8
1960,3.6,4.4,9.1,13.4,17.2,21.6,21.5,22.2,18.5,14.7,10.4,6.5
1961,3.2,6.9,9.6,15,16.7,21.3,21.3,22.2,19.9,15,9.1,3.3
1962,3,4,6,12.2,15.6,19.4,21.6,24.2,18.4,14.2,8.4,1.3
1963,-0.6,1.2,6.4,13.4,17,20.7,24.3,22.3,19.6,13.7,11.3,2.4
1964,0.1,4.1,7.4,13.1,17.8,23,23.4,22,18.9,13.6,9.1,4.1
1965,3.9,3,8,11.2,15.9,20.4,21.7,21.2,17.9,13,8,3.9
1966,0.5,8.1,8.6,14.2,17.3,21.7,21.5,21.3,19.6,16.8,7.7,3.6
1967,2,4.7,9.6,12.1,17.6,19.7,24.1,22.6,19.1,14,9.4,2.6
1968,0.5,6.4,8.9,13.8,16.7,20.1,22.3,20.4,18.7,14.2,9.3,2
1969,2.5,4.3,7.9,11.3,18.4,19.7,22.9,21.8,19.3,14.6,9.2,2.3
1970,3.8,4.2,6.9,11.2,14.9,21.8,22.2,22.2,19.7,12.5,9.6,2.9
1971,4.3,5.4,6.2,13.4,17.5,19.6,23.6,24.4,17.4,12.4,7.9,2.5
1972,3.8,7.9,10.3,12.4,16.3,20.7,22.6,21.7,16.2,12.2,8,4.1
1973,3.7,5,7.6,10.6,17.3,21.1,22.8,23.4,20,13.3,6.8,2.6
1974,6.8,8.2,9.5,12.1,16.4,18.8,22.5,23.5,19.1,10.1,8.2,3.5
1975,3.7,5.8,9,13,17.9,20.3,23.2,22.4,20.8,13.8,8.2,3.7
1976,2.1,5.8,6.7,12.4,17.4,22.1,23.2,19.7,17.4,14.5,9.5,3.9
1977,5.1,7,10.2,11.2,16.4,20.5,22.3,21.3,17,14.5,8.5,3.2
1978,4,4.5,9,11.4,15.1,20.1,21.4,20.8,18.1,13.5,6.2,3.3
1979,1.5,5.6,9.3,11.4,17.6,22.2,21.8,21.1,18.6,13.9,7.4,4.7
1980,2.6,5.7,8.4,11,15.1,19.4,21.1,23.1,19.2,13.6,6.7,1.9
1981,0.6,3.3,8.9,13.2,16.6,20.6,21.8,22.3,19.4,14.5,6.3,3.4
1982,2.2,2.9,7.8,12.3,18.6,21.8,23.8,22.5,21.1,14.7,9.5,5.3
1983,2,2.9,8.4,13,16.6,21.1,25.1,22.4,19.4,13.9,6.5,3.4
1984,2.7,4.1,7.1,12,14,19.5,21.9,21.7,18,14.4,9,4
1985,-0.6,2.8,8.3,12,17.2,19.8,24.2,23.5,20.4,14.7,7.3,4.6
1986,2.6,2.7,7.6,12.6,19.7,20.6,22.3,24.1,18.7,14.1,8.8,2.2
1987,0.6,4.9,4.9,12.8,15.5,19.3,23.9,22.3,21,14.9,8.6,4.5
1988,6,5.9,7.8,12.8,18,20,24.2,23.3,18.7,15.3,5.2,3.1
1989,2,6.1,10.3,13.1,17.7,19.7,22.7,22.3,18.7,12.7,7.5,4.3
1990,2.9,7.3,10.3,12,18.2,20.4,23,22.9,18.5,15.1,9,2.9
1991,3.5,3.1,11,11.6,13.7,20,23.5,24,21,12.8,7.9,0.9
1992,3.3,5,8.1,12.5,18.5,20.2,23,24.8,19.2,12.9,9.3,4.5
1993,2.9,4.6,7,12.7,19.1,22.3,22.1,24,18.4,14.2,7.4,4.6
1994,5.5,4.9,11.2,11.7,16.8,21.1,25.1,24.6,19.9,13.3,10.1,4.7
1995,3.1,6.1,7.6,11.9,16.7,19,25.3,22.1,17.4,15.3,8.1,4.4
1996,4.1,3.5,6.7,13.3,17.2,21.4,21.8,22,16.4,13.8,9.7,3.5
1997,5.1,6,10.2,11.4,17.3,21.1,22.1,23.1,20.2,13.9,8.7,5.3
1998,5,6.6,7.9,12.7,17.8,22.2,23.9,24.6,19,13.8,7.6,2.1
1999,3.3,3.5,9.3,13.1,18.3,21.5,24.1,23.9,20.9,14.8,7.6,2.9
2000,1.7,5.5,8.8,14.1,19.2,22.9,21.9,24.4,19.8,15.2,10.4,5.6
2001,4.8,6.3,10.6,12.1,19.2,20.9,23.8,25.4,17.2,16.6,7.9,1.4
2002,2.2,6.5,10.5,12.8,17.8,23,23.2,23.4,18.7,14.8,12.3,5.8
2003,3.3,3.1,9.2,12.5,19.5,23.8,25.7,26,19.2,12.6,10.4,4.5
2004,3,4.5,8.7,12.8,15.9,21.4,23.8,23.5,19,16,8.7,5
2005,2.4,2.6,7.6,12.2,18.1,22.7,24.2,22,20.2,14.4,8.5,2.9
2006,1.8,4.7,7.5,13.1,17.3,21.7,26.1,21.2,20.8,16.6,10.6,6.3
2007,6.2,7.9,10.2,15.9,19,22.6,24.1,22.6,18,13.5,7.8,4
2008,5.4,6.3,8.4,13,18.3,22.5,23.9,24.1,18.1,15.5,9.1,3.8
2009,3.4,4.4,8.6,14.7,19.3,21.5,24.1,25.2,21.4,13.9,10.2,3.2
