1901,2.1,6.3,10.1,15.5,19.5,25.9,28,27.5,22.1,12.4,8.9,6.4
1902,4.1,5.1,7.7,13.6,18.5,26.4,26.9,27.3,20.7,14.6,7.8,3.9
1903,2.2,4.2,5.4,14.2,20.2,25.6,27.6,27,20.6,16.3,9.2,4.2
1904,-0.4,5.5,8.4,11.8,17.9,24,26.9,26.9,22.4,15.7,10.5,3
1905,1.7,2.5,6.3,13,17.5,26,27,25.7,22.9,19.5,11.6,4.3
1906,2.4,4.7,8.5,13.6,20.4,25.6,26.8,25.5,20.9,16.4,9.9,6.4
1907,2.4,3,6.5,13.2,19.3,25.5,28.1,26.2,20.8,13.9,6.6,3.5
1908,2,4.7,6.3,12,17.5,25.1,26.7,27.2,22.7,13.6,8.5,2.6
1909,0.7,4.1,8,11.8,19.1,23.3,26.3,25.3,23.6,16.3,12.3,5.1
1910,4.3,5.1,6.8,13.7,19.3,25,28,26.7,21.3,15.2,10.3,1.9
1911,-0.8,0.7,4.1,11.7,18.1,23.6,27,26.2,20.5,12.6,9.5,3.6
1912,3.5,5.8,8.8,12.2,17.2,26.5,26.8,26.7,24.7,16.1,10.8,4
1913,3.1,2.3,7,12.3,18.8,23.4,28.3,28.5,24.1,15.1,10.6,5.4
1914,5.5,6.5,11.4,13.9,18.5,25.1,28.2,26.5,21.5,16.1,7.2,3.8
1915,6.6,5.1,9.1,13.2,18.3,24.5,27.4,26.9,22.4,15.3,11.5,6.9
1916,3.7,4.1,8.2,14.5,20.7,24.6,27.7,27,21.7,15.4,10,5.9
1917,4.6,4.1,9.1,17.1,18,24.7,28.2,26.9,23.5,15.5,11.8,4.8
1918,2.7,4.4,6.7,12.6,17.4,24.4,27.4,26.9,24.4,18.7,9.8,3.4
1919,5.3,4.7,6.6,14.5,16.4,22.6,25.8,25.8,22.7,18.6,10.7,4.4
1920,4.8,0.1,7.7,13.1,18.6,24.9,26.3,27.2,22.4,13.3,6.4,0.6
1921,3.5,2.2,5.9,13.2,19.7,26.1,27.6,26.4,21.1,13.9,8.4,3.9
1922,4.1,4.4,8.6,14.2,19.9,25.2,27.7,27.2,21.7,16.9,11.2,5.4
1923,4.8,4.7,8.1,11.6,20.2,27.1,28.2,25,22.1,16.9,10.8,5.8
1924,5.6,4.5,7.5,12.8,19.2,26.9,27.2,27.8,24.5,15.4,9.6,1.1
1925,-1.5,3,10.5,13.3,20.5,25.6,27.6,28.3,23.7,15.2,10.4,6.7
1926,3.9,4.2,7.4,13.6,20.4,24.7,26.2,27.5,20.7,15.5,9.5,6
1927,1.8,2.4,7.8,13.3,18.7,26.1,27.8,28,23.1,19.2,10,2.6
1928,1.1,2.2,3.2,14.4,18.4,24.6,26.3,24.3,22.8,14.3,11.5,5
1929,1.5,0.4,4,12,20.8,24.4,26.4,27.4,22.9,16.8,10.5,2.9
1930,2.8,2.6,8.2,12.9,18.9,23.5,27.8,28.1,22,15.5,11.3,3.7
1931,1.3,2,8.4,11.7,17.8,24.6,29.1,26.8,24.3,15.8,7.6,1.1
1932,1.8,2.8,6.2,14.6,19.3,25.9,26.2,26.5,22.1,18.1,8.3,1.8
1933,0.8,4.5,6.1,12.7,19.2,23.7,26.9,27.8,23.2,16.5,10.7,2
1934,0.2,5,8.1,11.6,17.6,24.4,27.8,26.5,21.6,16.4,10.1,4
1935,-1,5.7,6.8,15.7,18.9,23.4,26.9,28.6,25,18,8.2,6.1
1936,4.4,4.8,7.2,14,17.8,25.1,28,26.8,21.8,16.6,11.3,3.9
1937,0.6,3.7,7.4,12.9,18,23,28.4,28.5,24.7,17.6,11.8,6.7
1938,5.2,5.8,6.9,14.6,19.2,24.7,27.9,27.5,23.7,16.5,10.7,5.1
1939,4.4,5.4,6.7,13,20.6,27.2,27.6,26.8,21.7,15.7,9.6,6.1
1940,2.4,5,6.2,15.4,17.3,25.5,28.2,28.5,23.6,16.2,11.6,7.3
1941,3.4,7.3,8.5,14.6,20.7,26.7,28.5,26.7,23.5,14.8,7.7,3.1
1942,2,3.6,6,12,19.4,26.1,27.8,27.4,22.4,17.1,10.3,4.7
1943,2.9,2.6,4.2,13.5,19.5,24.5,27.5,27.4,22.1,16.9,10.7,5.8
1944,4.1,7.4,11.1,14.1,19.3,25.7,28,25.5,22.6,16.8,11.4,1.9
1945,3.5,3,7,13.1,17.8,23.7,27.2,27.5,23,16.2,8.6,3.2
1946,2.7,5.8,7.9,13.4,19.6,24.8,26.6,26.9,24,14.5,10.1,1.2
1947,3.5,4.6,9.6,14.1,18,24.9,27.6,26.5,21.9,15.9,11.8,7.2
1948,6.8,6.3,6.2,12.4,19.9,27.1,28.1,27.7,21.9,14.9,8.9,0.7
1949,1.4,1.8,5.6,12.1,18.1,26.7,28.8,27,22,13.4,10.3,4.7
1950,-1.3,0.9,7.4,15.5,20.5,24.1,27,26.1,23.5,16.7,9.2,5.8
1951,4.1,2.2,9.3,15.9,20,25.1,28.2,27.9,22.3,12.4,9.2,4.4
1952,4.3,6.1,7.2,11.7,17.9,23.4,27.4,28,23.3,19.3,9.2,5.4
1953,6,7,6.6,13.7,19.1,26,27.4,28.2,21.9,15.5,6.3,0.7
1954,2.1,0.8,5.3,11.3,19.4,25.9,29,28.6,23.9,18.3,10.9,5.4
1955,5.2,8.1,7.4,13,19.3,24.9,27.5,26.8,22.7,17.9,10.8,5.3
1956,5.6,3.2,4.6,13.8,16.7,24.3,26.5,27.2,20.5,15.2,8.9,2.6
1957,0.8,5.8,6.9,14.2,20.2,24.5,26.5,27.3,25.4,16,9.6,5.7
1958,6,7.5,9.4,13.1,20.5,24.8,25.8,26.2,21.2,14.9,7.4,4.2
1959,5.3,1.8,5.7,14.9,18.9,23.6,27,26.4,20.9,13.1,8.1,2.7
1960,6,5.9,4.7,12.6,18.3,24.9,26.7,26.5,22.2,17.4,10.8,5.3
1961,4.2,5.3,8.3,14.6,21.4,26.3,27.4,27.1,21,14.8,11.2,7
1962,4.6,6.7,10.8,13.7,19.5,24.6,28.7,26.8,22.5,15.8,10.4,6.8
1963,6.1,7,7.2,14,18.5,23.9,26.7,25.6,22.8,16.4,9.6,4
1964,-0.1,4.1,7.7,12.5,19.2,25.9,26.2,25.1,21.9,14.9,9.8,3.2
1965,2.1,4.3,7.4,11.7,19,25.2,26.4,26.3,21.8,13.2,9.7,6.1
1966,7.6,7.5,9.9,15.8,18.1,25.1,27.8,28,21.7,16.1,12,7
1967,5.4,2.2,7.1,12.9,19.1,23.4,26.1,26.9,20.9,16.4,10.9,4.5
1968,4.6,4.8,7.3,12.9,20.5,23.2,26.1,25.8,23.3,16.7,10.9,4.7
1969,-0.5,-1.2,5.1,11.9,18,25.2,25.3,25.8,21.4,14.7,9.2,6.8
1970,4.7,7,8.9,15.5,20.1,24.6,27.5,26.5,22.1,15,11.4,3.8
1971,2.8,4.8,9,13,20.1,24.6,28.7,26.8,24.6,15.8,11.4,5
1972,-1.8,-1.4,5.1,15.8,18.6,25.8,27.9,26.5,23.2,18.5,10.4,1.9
1973,-0.2,6.6,7.9,14.5,18.9,24.1,26.7,26.7,20.9,16.7,8.8,3.8
1974,1.6,3,7.4,12.1,19.5,25.2,25.5,24.8,21.2,17.4,11.6,4.9
1975,4.4,3.7,7.8,15.5,20.3,26.8,29,27,23,15,8.1,3.3
1976,4.4,0.3,5,14.9,18.3,24.4,26.5,28,22.5,13.8,9,5.3
1977,-1.7,6.6,8.9,14.9,19.6,26.1,27.2,26.7,22.6,12.4,10.7,2.6
1978,4.1,4.6,8.6,13.5,17.1,22.6,27.2,26,24.2,16.5,7,5.9
1979,3.9,5.7,9.2,14.1,18.7,23.7,27.7,27.3,24.1,16.3,10.6,5.7
1980,1.8,3.1,6.9,13.9,18.7,25.2,28.8,26.1,21.7,14.4,11.8,7.2
1981,6.4,6.6,8.5,12.8,17,24.6,27.7,26.1,23.1,17.4,10.3,7.9
1982,3.8,2.8,6.4,15.6,18.6,24.1,26.9,25.4,22.6,15.3,7.9,2.7
1983,3,6.3,6.9,15.4,20.2,24.4,28.2,26.5,21.6,15.5,8.8,4.8
1984,5.1,0.7,7.2,14.7,17.9,24.8,27.1,26.5,23.4,15.8,10.1,1.5
1985,3.6,3.5,4.7,14.9,20.9,25.8,25.8,26.6,23.1,14.7,10.8,4.5
1986,5.1,3.9,5.8,15.1,17.8,25.1,27.8,27.8,24.1,15.8,8.7,4.1
1987,5.2,5.4,6.4,11.9,19.7,25.6,27.4,26.9,21.6,12.4,8.6,4.3
1988,3.6,3.7,8.3,14.9,17.8,26.3,28.2,26.1,22.3,16.2,9.2,5.7
1989,3.1,4.2,10.4,16.1,19.5,26.2,29,28.5,23.1,16.3,10.6,5.1
1990,2.3,5.1,8.2,14.5,17.4,24.8,27.4,25.7,23.6,15.8,11.6,4.9
1991,3.6,3.2,7.2,14.6,17.8,24,26.8,27.3,22.5,16.9,10,4
1992,2.3,3.5,6.9,12.9,16.4,24.1,26,25.4,22,15.2,11.1,4.1
1993,2.3,2.3,7.5,13.1,18.2,23.5,25.9,26.4,22.1,14.6,7.1,3
1994,4.2,1.6,7.5,14.9,18.6,23.5,25.9,26,23.3,16.4,10,2.4
1995,4.6,6,8.5,15.3,20.5,25.8,27.6,27.4,23.8,15,11.3,3.9
1996,2.8,4.4,6.3,11.9,20.4,23.8,28.1,27.5,23.3,16.3,9.9,7.7
1997,5,3.8,6.5,14.3,19.8,25.6,26.9,27.8,20.2,17.8,9.7,4.7
1998,3,3.4,7.9,16.6,20.1,27.9,28,28.5,23,16.7,11.2,6.2
1999,5.4,7.8,9,14.4,17.3,25,27.6,29.7,22.7,16.7,8.7,6.6
2000,4,5.3,7.5,17.3,18.6,24.9,29.3,28.5,23.6,14.7,9.1,5.7
2001,5.7,7.7,12,16.1,20.1,27,27.8,28.4,24.1,16,11.5,6.7
2002,5.2,5.6,10.9,13.4,17.8,25.5,28.6,26.8,25.3,18.4,10.7,0.4
2003,5.5,5.2,6.5,11.2,19.4,24.4,26.6,28.6,22.2,18.1,10.1,6.3
2004,6.2,7.2,9.5,12.7,19.5,25.8,26.2,28.2,23.3,16.5,10.8,2.5
2005,3.8,3.7,8.5,14.4,19.7,24.4,28.7,26.6,23.8,17.1,9.8,8.5
2006,3.2,5,9.2,14,18.6,28,27.8,29.1,23.5,17.7,8.8,2.5
2007,8.9,5.3,8.7,13.3,19.6,26.3,26.6,28.4,25.2,17.5,9.8,4.4
2008,-1.4,3.4,12.8,17,18.8,25.3,27.9,28.6,23.3,16.7,11.4,3.1
2009,4.1,7.6,9.4,11.5,19.9,25.6,28.5,25.4,21.6,17.7,10.8,6.4
