1901,2.3,6.9,6.5,7.8,14,16.2,23,22,17.1,12.5,7,3.1
1902,1.9,5,5.4,8.6,12.9,17,22,21.3,18.6,11.8,6.3,2.5
1903,2.1,1.8,5.6,8.7,13.3,18.9,21.6,21.9,17.7,11.6,6.7,2.3
1904,0.6,3.2,5.6,8.3,12.5,16.6,21.2,22,18.4,14.6,5.7,2.7
1905,4.4,2.7,6.2,8.4,11.1,16.7,21.2,22.3,16.5,10.8,6.4,1.6
1906,2.1,8.1,7,8.7,12.9,17.9,23.8,21.8,17.4,11.8,6,4.6
1907,2.8,7.2,5.3,10.6,13,15.9,22.1,21.5,17.5,14,7.4,3.1
1908,3.2,4,7,9.7,12.3,16.8,23.4,21.7,17.9,9.3,7.5,2.3
1909,4.4,4.5,6.6,10.5,13.6,19,22.2,22.5,17.9,12.5,6,2.2
1910,1.3,3,8.4,10.9,16.1,17.7,23,23.3,19.5,12.7,7.9,4.1
1911,3.8,3.6,8.4,9.8,12.4,17.1,22.2,21.7,18.2,10,5,-0.8
1912,2.1,4.4,5.7,8.5,14,18.2,21,20.6,15.6,11.5,6.6,1
1913,-1.2,3.9,3.7,8.4,12.7,16.1,20.8,21.8,18.5,12.3,8.2,2.4
1914,4.1,4.8,8,10.8,14.3,18.2,22.9,21.5,17.9,12.2,8.8,2
1915,2.2,4.6,6.2,9.1,12.1,17.6,21.3,21.1,17.1,12,4.3,1.6
1916,2.8,6.2,8.7,10.6,13,17.9,21.4,20.8,16.5,9.3,4.4,-0.6
1917,1.4,3.5,3,7.7,10.9,18,23.6,21.8,18.1,13.1,6.8,2.7
1918,1,3.2,7.3,9.7,12,21.2,22.5,22,18.4,13.5,5.2,1.6
1919,1.2,2.9,5.1,10.7,13.9,17.7,23.6,22.2,18.6,9.1,5.1,3
1920,4.3,6.6,4.9,8.4,13.7,17.5,23.1,21,16.5,10,5.5,0.5
1921,1.6,4.3,8.1,7.9,11.8,18.2,22.2,21.1,17.6,14,6.7,5.2
1922,0.9,3.3,4.7,6.5,13.5,19.3,22.7,22.5,19.8,12.2,4.3,4.6
1923,2.7,4.1,5.3,10,15.2,15.3,21.4,20.8,18,11.1,7.8,4.3
1924,0.5,4.9,4.3,8.4,15,19.2,21.4,20.8,18.4,9.7,6.6,1.8
1925,0.8,5.9,6.5,9.9,14.8,17.7,23.2,20.3,16.3,10.9,5.2,4.7
1926,0.8,4.8,8.9,11.4,14.2,18.7,21.2,20.3,17.4,12.1,7.1,2.7
1927,3.5,6.3,4.9,8.8,12.9,17.3,22.2,21.1,16.9,11.5,8.1,1.5
1928,2.6,4,7.6,8.3,13.7,17.8,21.2,20.9,17.7,11.9,6.6,2.1
1930,2.5,6.3,7.4,11.3,11.4,17.5,21.8,21,16.8,11.1,6.6,0.2
1931,2.8,5.8,5.7,10.3,15.5,17.5,24.2,21.9,17.1,12.8,4.7,1.2
1932,0.1,4.7,7,9.9,13.9,17.2,20.3,20.2,17.1,10.7,6.5,-0.1
1933,-0.9,-0.4,5.8,7.3,11.3,17,22.8,21.5,18.2,13.7,5.9,1.2
1934,2.4,7.1,9.6,11.2,15.6,16.3,22.7,23,17.5,13.1,7.8,4.2
1935,2.8,5.5,4.7,9.7,12.2,18.6,21.7,21.5,19.2,10.5,3.7,2.5
1936,1.5,4,7.2,10.7,14.9,18.6,22.9,21.6,16.3,11.6,6,2.4
1937,-1.9,2.6,5.5,8.3,13.6,18.1,22.7,22.6,20.2,12.9,8,5.6
1938,3.5,3.8,5.5,9.2,13.7,17.6,21.7,21.6,19,12.3,3.1,4.8
1939,3.2,1.1,6.4,10.2,14.2,17,22.1,21.6,17.8,11.1,8.5,4.7
1940,5,4.9,7.7,10.5,15.1,18.6,20.8,21.5,17.7,12.1,4.5,5.3
1941,4.4,5.9,6.2,8.2,14.6,16.8,21.4,19.9,14.8,11,6.9,3.9
1942,3.8,3.2,4.9,10,13.1,17.1,22.7,21.5,17,11.9,6.3,2.9
1943,2.1,4.1,8.1,10.5,14,15.9,21.1,20.6,18.6,11.9,4.1,3.4
1944,0.7,1.6,4.1,7.8,12.2,15,19.7,19.8,17,12.8,6.7,2.8
1945,1.9,3.5,4.6,8.1,13.6,16.1,21.5,21.4,18.6,13.1,4.3,1.2
1946,1.8,1.1,4.1,10.4,13,18,21.2,21.9,18.5,9,4.7,4.6
1947,-0.1,5.5,7.2,9.8,14.3,17.2,21.3,20.7,19.5,12.6,3.7,1.9
1948,0.7,3,3.3,9.3,13.1,16.9,20.4,20.5,17.4,12.3,2.7,-0.4
1949,-0.4,0.5,5,10.4,12.8,18,21.1,20.3,18.5,9.9,7.1,0.6
1950,-1.2,4.5,6.8,10.7,12.2,15.9,21.4,20.1,16.7,12.8,6.8,3.9
1951,1,2.2,3.6,8.7,12.9,16.3,21.7,20.4,17.2,12.1,4.9,2.6
1952,0.7,3.4,3.8,9,15.3,15.9,21.3,22.3,19.1,14,5,2.2
1953,3.7,2.4,5.7,8.7,10.4,16.3,23.2,20.9,17.9,11.8,7.1,1.1
1954,1.8,6.3,4.5,11.8,13,16.8,22.8,19.9,18.2,12.3,8.2,3.1
1955,1.6,1.1,6.1,7.4,11.1,16.9,20.6,21.9,17.6,13.1,5.8,3.6
1956,3.8,0.4,5.1,8.6,12.9,18.3,21.4,19.1,20.1,11.3,3.9,1.7
1957,3,7.4,7.2,9.8,12.2,19.3,22.6,21.2,18.7,12.3,4.6,3.8
1958,2.8,6.8,5,9.7,16.4,18.5,21.8,23.6,19.6,14.4,6,3.2
1959,2.8,3.1,7.1,11.4,12.6,20.5,23.8,21.4,17.5,12.7,6.7,3.8
1960,0.8,3.6,7.7,10.4,12.9,19.3,22.2,21.9,20.1,12.5,6.2,2
1961,2.7,5,6.7,9.4,13,19,21.9,22.5,16,11.2,4.7,2.5
1962,2.1,5.7,3.2,12,11.8,16.9,21.5,21.5,18.2,11.6,7.5,3.6
1963,0.9,7.3,5.2,7.6,14.2,16.3,20.7,21.3,18.9,14.1,7,0.8
1964,-0.5,1.1,3.7,7.9,12.2,16.1,21.8,21.4,16.6,14.4,4.4,2.9
1965,2.6,3.1,5,8.6,13.1,14.2,21.3,21,15.2,11.7,9,3.2
1966,0.8,2.1,6,10.3,14.4,17.7,21.7,22.5,18.6,11.7,7.4,3.6
1967,1.4,4.3,6.8,6.1,13,15.9,23.2,22.8,19.4,12.4,8.5,2.2
1968,1.9,8.3,7.6,8.3,14.4,18.5,22,20.3,17.7,12.4,8.2,-0.4
1969,6.2,4.4,6.5,10.1,15.4,16.7,22.7,24,20.5,11.3,8,4
1970,2.4,6.1,6.3,7.3,13.8,17.8,22.6,23.2,16.4,10.7,6.2,2.6
1971,1.9,4.4,5.9,8.6,12.2,17.3,22.8,23,18.3,9.5,5.7,2.1
1972,-0.1,4.8,10,10.8,14.3,18.8,23.4,21.3,18.3,12.6,5.3,2.3
1973,1,5.7,5.8,9.1,14.6,19.4,22.3,21.9,17.2,12.2,6.7,2.9
1974,3.2,3.4,8.1,9.8,13.9,20,22.5,21.3,20.4,13.7,6.6,2
1975,1,2.6,5.4,6.7,12.3,17,22.3,20.9,20.1,11.4,5.6,3.3
1976,2.7,6,5.8,8.3,15,17.7,21.7,19.1,18.2,12.5,6.9,1.8
1977,3.7,4.9,4.6,9.9,11.6,19,22,22.2,18,13.8,6.5,5.5
1978,5.1,5.9,8.6,9,13.8,18.2,22.3,20.3,17.6,14.8,6.5,1.1
1979,2,3.5,6.6,10,12.7,17.4,21.6,20.1,20,14.3,5,3.3
1980,6,7,5.7,9.1,12.4,17.6,22.8,20.5,17.9,11.7,4.8,5.1
1981,5.9,4.3,7.4,10.5,14.2,20.1,22.7,22.3,19.5,12.3,7.4,4.2
1982,2.6,6.4,7.4,10.2,13.3,16.4,21.2,22.2,18.1,10.7,5.8,3
1983,3.7,6,7.9,8.1,13.5,16.8,21.5,21.8,21,13.8,7.6,4.6
1984,3.8,4.7,6.8,9.6,16.1,18.5,23.7,23,20.9,11.8,6,4
1985,3.1,3.7,6.1,10.8,14.2,18.9,23.8,21.7,15.8,13.3,6.3,4.3
1986,5.7,7.1,9.6,10.7,14.3,19.6,21.2,23.9,16.2,11.7,7.4,3.7
1987,2.3,5.6,6.6,11.8,14.6,17.3,19.8,21.2,17.7,14.9,7.2,2.2
1988,2.8,5.8,7.5,10.2,14.5,18.2,23.1,22.1,17.3,14.9,7.2,2.1
1989,1.3,4.2,8.2,12,14.3,16.8,22.8,20.2,16.8,11.9,6.4,1.9
1990,1,2.5,7.7,11.6,13.4,18.7,22.5,20.3,19.1,11.6,6.6,-0.4
1991,3,6.2,4.6,8.8,12.6,15.9,20.1,21.3,18.9,15.2,5.9,4.1
1992,2.6,7,7.5,12.1,15.4,17.6,21.6,22.3,17.5,13.1,4.2,1.5
1993,3.7,4.7,7.6,10.2,14.9,18.8,20.1,20.9,16.9,12.8,4.5,1.5
1994,2.4,3.1,9.7,11.8,13.4,20.7,23.1,23.9,20.2,13.3,4.1,4.6
1995,5.5,7.9,8.8,10.7,12.6,17.3,22.7,24,20.6,13.3,8.4,5.8
1996,4.8,7.6,9.4,12.7,16.4,19.4,24.8,23.9,19.2,13.7,9,4.6
1997,5,5.5,8.3,10.7,17.5,18.6,21.3,22.8,21.5,13.9,9.1,4.1
1998,5.3,5.8,7.8,9.2,12.9,17.3,22.4,23.2,19.2,12.8,6.8,3
1999,3.8,5.2,7.4,8,13.6,17.3,21.3,20.7,17.7,13.2,7.8,3.3
2000,4.9,6.7,7.3,11.5,15.7,19.9,22.6,22.5,18.6,13.2,5.1,4
2001,5.1,4.3,8,9.4,16.2,19.2,22.3,22.2,18.7,14.2,8.9,3
2002,3.1,4.4,6.3,10.9,13.9,18.5,22.8,21.6,18.9,12.8,8.4,4.2
2003,5.7,6.8,8,9.6,14.6,18.6,23.6,22.9,19.5,15.2,7.1,4.1
2004,4.3,4.7,10.3,12,16.4,19.8,23.6,22.2,19.3,13.5,6.9,4.6
2005,5.7,7.4,8.6,10.3,15.7,18.6,23.4,21.9,18.2,13.9,8.5,5
2006,4,5.7,6.6,10.6,16.1,20.9,25.2,23.1,18.4,13.1,8.8,3.1
2007,2.1,5.9,8.5,11,15.4,19,23.5,23.6,19.2,13.4,9.3,2.9
2008,3.1,4.9,7.6,10.5,13.9,19.1,22.9,23,19.7,13.4,9.2,4.5
2009,4.7,5.6,8.1,10.4,16.6,18.5,23.7,22.4,20.1,12.5,7.8,3.8
