1901,1.6,5.3,9.4,13.7,18,23,25.9,25.2,20.5,12.5,9.9,6.5
1902,3.4,4.8,7.9,12.4,16.4,23.1,24.9,25.5,19.3,13.8,9,4.8
1903,1.4,4.4,4.7,11.5,17.8,22.5,25.3,25,19.4,15.7,9.4,4
1904,-0.7,4.9,8.2,10.8,16.5,21,24.6,24.7,20.1,15.1,11.9,3.7
1905,0.7,2.1,5.9,10.9,15.7,22.8,24.8,24.8,20.9,18.4,12.2,4.6
1906,1.6,3.6,7.4,11.1,18.6,22,24.8,23.5,18.9,15.9,10.1,6.1
1907,2.4,2.8,6.3,11.7,16.8,21.9,25.9,24.8,19.1,13.8,7.9,4.1
1908,1.5,3.9,6,10.9,14.9,21.5,24.8,25.7,21.9,14.1,10.1,4.5
1909,1.1,5.3,9.1,11.7,17.6,21.7,25.1,24.8,22.4,16,13.4,6.6
1910,4.3,5.4,6.9,13,18.2,22.8,26.3,25.8,20.8,15.4,11.1,2
1911,-0.4,1.8,4.9,10.6,17.2,21.5,25.8,25,20,13.2,10.4,3.7
1912,2.3,5.1,7.8,10,15.2,23.1,24.8,24.3,21.7,16,11.2,4
1913,2.5,2,5.2,12,17.4,20.5,25.6,25.7,21.6,14.4,10.9,5.4
1914,4.9,5.2,9.9,12.7,16.7,22.1,25.4,24.8,19.6,15.7,8.3,3.7
1915,5,4.4,9.2,12.4,16.8,22,24.7,24.9,20.7,14.5,11.6,5.5
1916,2.6,3.3,8,12.5,18.6,21.6,25.1,25,19.5,14,9.6,5.5
1917,4,3.6,7,14.2,16.3,21.5,25.9,24.9,21.8,13.9,11,4.3
1918,2.4,4,5.8,10.8,14.9,20.4,24.8,24.5,21.4,17.1,10.3,3.2
1919,4.3,4.7,6.5,13,15.2,19.8,24.1,24.4,20.5,17.5,11.2,4.5
1920,3.6,0.8,7.7,11.4,16.8,22,24.4,25.1,20.9,13.7,7.8,0.5
1921,2.6,2.1,5.8,13.4,18.4,23.9,26.6,24.1,19.5,13.5,9.4,3.4
1922,3.4,3.9,7.2,12.7,17.3,22.5,25.9,25.4,19.6,15.7,11.8,5.7
1923,3.4,4.1,8.1,10.3,18,23.4,26.4,23.4,19.9,15.5,10.1,4.6
1924,4.7,4,8,11.4,17.5,23.8,24.7,25.3,21.9,14.9,10.2,1.2
1925,-1.1,1.3,9.3,11.8,17.5,22.1,25.1,25.9,21.5,14.7,9.8,6.5
1926,3.2,4.2,7.3,10.9,17.9,21.5,23.9,25.4,19.2,14.2,10.3,6.3
1927,1.4,2.6,7.4,12.3,18.1,23,26.3,26.4,22.1,18.6,11.9,4.7
1928,2.6,3,4.9,13.2,17.5,22.2,24.7,23.6,22.2,15.8,12,4.3
1929,1.7,2.5,5.8,11,19.5,21.2,24.9,25.6,21.9,17.3,11.8,3.7
1930,1.4,4,7.8,13.2,17.6,21.3,25.4,26.2,21.2,16.1,13,4.7
1931,2.7,3,7.5,11.6,17,22.1,27.8,26,22.9,14.9,10.7,3.2
1932,3.2,4.1,7.2,13.1,18.1,23.2,25,25.3,21.8,17.1,10.1,2.3
1933,2.4,4.4,6.5,11.4,17.9,21.7,25.7,26.5,21.9,17,12.2,3.9
1934,1.7,4.8,8,12.1,15.9,22,26.5,25.7,20.6,16.1,11.5,5.1
1935,-0.1,5.5,7.5,13.1,17.7,20.8,25.7,26.9,23.7,17.6,11.7,6.4
1936,2.9,5.6,7,12.8,17.7,22.1,26.5,25.6,21,16.3,12.5,4.3
1937,1.1,3.3,7.3,11.9,18.1,20.4,26.8,27.2,22.5,17.7,12.8,6.5
1938,5,6.1,6.6,12.8,18.7,22.1,26.5,26.1,22.9,16.2,12,5.8
1939,4.5,5.4,7,11.7,18.6,24.1,26.8,26.5,20.9,16.1,12.7,7.3
1940,4,5.1,6.2,13.6,17.1,23.2,26.5,25.6,22.7,17.1,13.1,7.3
1941,2.9,5.9,9,12.8,18.9,23.8,26.4,25.9,21.9,14.4,10.5,4
1942,2.8,4.4,6.9,10.9,18.5,23.2,26,25.3,21.5,17.6,13,5.3
1943,2.3,3.1,5.9,10.9,17.6,21.7,26.3,26,21,16.6,11.9,6.5
1944,3.7,5.8,9.9,12.8,18,23.2,26.8,25,21.1,17.1,12.1,1.7
1945,3.1,3.2,5.4,11.1,15.2,21.3,24.8,25.7,21.2,15.4,10.2,3.8
1946,1.5,5.2,8.4,12.2,17.8,22.6,24.4,24.1,21.8,15.1,10.3,2.8
1947,4.8,4,8.4,12.2,16.6,21.5,24.9,24,19.7,15.6,11.8,6.1
1948,5.2,4.6,6.4,11.5,18.1,23.3,25.7,25.2,20.6,14.4,9.3,1.6
1949,0.4,1.3,6.1,10.7,16.3,23.4,26.1,25.2,21.2,12.4,10.9,5.6
1950,-0.4,1.1,7.5,12.1,18.6,21.6,25.7,24.5,20.8,17.3,10.1,5
1951,3.2,0.6,7.2,12.3,17.1,20.9,25.1,23.9,20.4,14.2,10.8,4.5
1952,3.4,5.5,7.3,11.1,15.3,19.7,24,24,20.2,16,8.7,4.7
1953,4.9,5,5.6,11.6,15.9,20.1,24.1,24.9,19,14.1,7.9,1.4
1954,1.1,2.2,5.4,10.4,17.3,21.7,24.8,23.8,20.7,15,10.2,5.2
1955,3.2,6.3,6.5,11.4,15.7,20.6,24.8,25.3,20,13.4,11,5.3
1956,3.2,4.2,6.1,10.9,15.4,19.5,23.6,23.5,19,13.4,9.3,3.6
1957,0.2,4.2,6.1,10.3,16.8,20.1,23,23,22.3,12.9,7.9,2.8
1958,4.1,4.3,7.9,12.5,16.3,20.7,23.4,23.3,19.5,14.5,6,4.1
1959,3.4,0.1,5.9,12.8,16.7,20.7,23.5,25.2,20.4,15,8.7,3.4
1960,4.2,5.6,4.2,10.6,16.6,22.2,24.2,24.7,20.9,14.7,10.5,5.4
1961,3.2,4.5,6.4,11.2,17.8,21.4,25.3,23.7,20.7,14.5,10.3,5.9
1962,3.6,5.8,9.1,12.6,16.9,20.6,26,24.6,20.1,14.9,11.5,6.2
1963,5.8,7.2,6.8,14.2,17.7,21.8,26.1,25.1,21,17.1,9.3,3
1964,-2.2,4.2,8.7,11,17,23.7,25.4,24.5,20,13.1,9.9,3.6
1965,2.7,3,7.7,11.2,16.4,22.4,25.4,24.8,20.5,14.6,9.3,5.4
1966,5.5,5.7,9.4,14.2,16.6,22.1,25,26,20.8,15.1,11.4,6.7
1967,2.5,3,7,11.2,16.5,19.5,24.6,24.7,19.9,15,12.2,3.5
1968,2.4,3.9,7.1,11.7,17.8,20.4,24,24.8,19.9,16,11.8,6.5
1969,1.2,1.1,6.7,10.6,15.4,20.7,23.1,23.3,18.4,13.9,7.6,5.3
1970,3,4.4,6.8,11.4,16.2,19.7,23.1,24.5,19.4,13.5,10,3.8
1971,0.7,1.7,6,12.2,17,20,23.9,23.5,21.6,13.2,9.9,3.7
1972,-2.3,-1.8,5.5,13,15.6,21.4,24.9,25.3,20,15.8,8.4,2.3
1973,-0.6,3.5,6.9,12.9,16.9,22.2,24.9,26,19.8,15.2,8.6,3.5
1974,2.3,2.6,7.4,11.1,17.7,22.1,24.9,24,19.7,14.3,11.9,3.3
1975,2.9,4.3,5.8,11.7,18.8,23.4,25.4,24.1,21.3,14.7,8.6,2.9
1976,2.1,2.2,5.8,12.5,18,22.4,24.5,25.3,21.8,14.2,10,5.3
1977,0.8,4.1,9,13.8,17.9,23.5,25.7,24.5,20.9,13.3,10.6,5
1978,3.7,5.6,8.2,12.9,16.2,19.8,24.4,24.5,20.3,16.6,7.9,6.7
1979,3.2,4.8,7.6,13.4,17.5,21.8,26,23.1,21.4,16.6,11.7,5.6
1980,2.2,2.8,7.7,12.9,17.4,21.2,25.7,25.5,20.6,14.3,12.1,6.9
1981,4.4,6.2,8.6,12.3,17.1,22.2,25.9,26.1,20.8,15.6,10.5,6.6
1982,2.6,2,6.2,13.6,18.6,21.9,25.4,23.9,21,14,8.6,1.2
1983,0.6,2.7,5.5,12,19.4,23.1,26.2,25.8,20.4,13.9,11.4,5.4
1984,3.8,2.9,8.8,13.6,16.4,21.7,25.4,25.1,20.8,14,12.4,3.1
1985,2.2,3,5.2,13,18.4,24,25.7,24.3,22.1,15.3,12.1,6.1
1986,3.8,4.7,6.4,13.2,17.8,22.6,25.9,25.1,21.1,16.4,11.5,3.1
1987,4.2,5.1,7.7,10.2,17.7,22.8,25,25.8,19.8,13.3,10.1,5
1988,3.3,3.7,7.6,13,17.3,23.8,26.5,25.5,21.2,16.1,10.4,6
1989,0.7,1.1,8.4,13.1,17.6,22.8,27.2,26.7,21.6,16.9,11,6
1990,1.4,3.9,7.3,12.4,16.2,22.4,26.3,25.2,21.9,15.4,12.2,6.2
1991,3.2,3.7,8,12.8,16.6,22.4,26.4,26,20.9,16.5,11.9,5.1
1992,1,2.9,6,11.3,15.3,22.2,25.5,23.6,20.3,13.9,11.8,6.1
1993,1.9,3,6.3,12.4,17.7,21.7,25.1,25.6,21.1,13.8,8.8,4.3
1994,3.6,3.3,7,13.8,17.9,21.2,24.8,25.3,19.6,15.7,11.4,4.2
1995,4.1,5.5,7.7,13.8,18.5,22.9,26.6,26.4,21.5,14.8,10.9,4.5
1996,3.9,4.7,7.6,11.8,18.5,22.3,26.3,26.4,22,15.2,11.6,7.7
1997,4.1,3,5.8,12.6,17.8,24.2,26.6,27.2,20.1,17.1,11.3,5.6
1998,3.5,1.9,7.3,14.2,18.7,25.2,26.6,27.1,22.5,15.6,13,7.6
1999,4.1,6.2,8.9,12.5,16.3,22.2,25.4,27.7,22,16.3,9.8,6
2000,4.4,4,6.8,14.4,18.3,22.3,26.4,27.4,23,15.7,11.4,6.6
2001,4.7,6.4,11.2,14.8,18.8,23.2,25.9,25.7,22.3,15.8,11.5,6.9
2002,3.7,5.7,9.8,12.9,16.8,22,26.4,25.9,22.5,18,11.7,2.2
2003,3.6,4.8,6.1,10.2,15.9,20.5,25.6,25.6,20.7,17.7,11,6.6
2004,6.1,6.1,8.3,11.3,17.5,22.4,23.8,26.4,21.1,15.5,12.4,3.8
2005,3.8,2.8,8.7,13.2,16.8,21.9,26.6,26.4,22.5,15.6,10.1,9.2
2006,1.5,4.1,8.4,13.4,17.2,24.8,25,26.9,20.7,18.8,9.2,1.9
2007,7.2,5.1,6.9,12.1,17.4,22.8,25,26.7,22.4,16,10.3,3.5
2008,-4.5,2.1,11,15.3,19,21.6,26,25.9,22,15.9,10.4,3.4
2009,3.3,7.2,8.4,10.1,17.5,22.1,26,24.1,20,15.1,10.6,6.8
