1901,2.6,1.3,2.6,6.2,10.2,10.7,15.6,12.9,11.5,7.4,4,1.6
1902,2.8,-0.2,4.8,5.7,6.7,10.9,11.6,11.4,10.8,7.6,5.4,3.3
1903,2,5.2,4.3,4.3,8.9,10.7,12.1,11.6,10.7,7.9,4.5,1.4
1904,3.2,1.2,2.1,6.5,8.7,11.4,13.4,12.3,10.5,7.7,4.3,2.1
1905,3.3,3.5,4.8,4.8,9,12.3,14.1,11.8,10.3,5.2,3.3,4.9
1906,3.8,1.3,3.2,5.5,7.9,12.4,12.2,13.6,11.7,8.5,5.9,1.2
1907,2.9,1.3,4.8,5.4,8.2,9.4,12.6,11.2,11.2,7.8,4.4,2.9
1908,2.2,4.2,2.5,4.3,10.1,12,12.9,12.3,10.9,10.5,5.7,3
1909,2.6,2.7,2.1,7.1,9,10.7,12.1,13,10.2,7.7,3.1,1.9
1910,2.2,2.8,4.6,5.2,9.7,12.2,11.9,12.7,10.6,8.5,1.3,4.9
1911,3.5,3,3.3,5.6,11.2,12,14.5,14.3,10.6,7,4.1,4.6
1912,2.1,3.3,4.9,7.4,9.2,11.3,13.2,10.2,9.1,6.6,4.3,4.3
1913,2.3,3.4,3.7,5.8,8.9,11.4,12.7,12.9,11.6,8.7,6.4,3.3
1914,2.6,4.5,3.5,7.8,8.7,12.3,13.5,13.6,11.2,8.3,5.1,2.6
1915,2.3,2.2,3.7,6.3,8.6,11.9,11.8,12.7,11,7.2,1,2.4
1916,5.8,2.2,1.6,6.1,8.9,9.8,12.9,13.9,10.9,7.8,5.6,1.9
1917,1,0.6,1.4,3.6,10,11.3,13.4,13.4,11.5,5.4,6.6,1.8
1918,1.7,5.1,3.8,5.5,10.5,10.8,13.2,13.7,9,7.6,3.2,4.4
1919,1.9,0.6,1.2,5.9,11.3,11.4,12.4,12.9,10.5,6.7,1.4,3.3
1920,2.9,4.1,4.5,5.7,9.3,12,11.8,11.8,10.6,8.7,6.4,2.2
1921,4.8,3.4,4.9,6.7,8.8,12.3,14.8,12.4,11.5,10.6,3.2,5
1922,1.5,2.5,3.5,3.9,9.1,10.9,10.9,11.3,10.1,6.8,4.9,3.9
1923,5,3.2,5,5.3,6.9,10.5,14.4,11.9,9.9,7.5,1.8,1.7
1924,2.8,2.9,2.2,4.9,8.6,11.4,12.4,11.6,10.8,8.1,5.4,6
1925,4.1,2.6,3.8,5.6,9.1,13,14.6,13.2,9.4,8.3,1.5,0.7
1926,3.5,4,4.5,7.3,7.9,11.5,14.6,13.5,11.7,5.8,3.6,3.3
1927,3.3,2.8,5,5.5,8.4,9.4,14.3,13.4,10.1,8.4,4.2,0.3
1928,3.3,3.8,3.8,6.5,9.2,9.7,12.3,12.5,10.1,7.9,5.5,2.1
1929,0.4,-0.3,4.8,4.7,9.3,10.8,13,12.3,12.1,7.2,4.8,3.7
1930,3.1,0.3,2.9,6.6,9.1,12.6,12.9,13.3,11.3,8.2,3.5,3.1
1931,1.6,2.5,2.1,5.6,9,10.8,12.8,12,9.5,7.2,6,4.6
1932,5.1,3,3.7,5.1,8.5,12.4,13.7,13.8,10.5,6.5,4.5,4.5
1933,0.9,2.5,5.3,7.2,9.9,13.6,15.4,14.4,12.7,8.1,3.4,2
1934,3.7,4.2,3.1,5.8,8.8,12.9,15.6,12.7,12.3,8.1,4.3,6
1935,3.4,3.8,5.3,6.3,8.6,12.2,13.9,14,11,7.4,4.3,1
1936,1.6,1.4,5,4.8,9.9,12.6,13.3,13.9,12.6,8,3.9,3.8
1937,3.7,2.5,1.4,7.5,10.1,11.8,13.4,14.2,10.9,8,3.9,0.9
1938,4.1,3.6,7.2,6.7,8.4,11.5,12.6,13.6,11.7,8.5,7.1,3.2
1939,1.9,4,4.5,6.4,9.9,12.5,13.3,14.4,11.8,6.1,6,2.2
1940,-2.5,1.1,3.6,6.3,11,14.5,12.5,13,9.8,7.9,5,2.8
1941,-0.9,1.1,2.9,4.7,8.2,12.6,13.9,12.5,13.2,8.7,4.5,4.1
1942,0.4,-0.6,2.9,7.2,8.7,11.7,13,13.7,11.1,8.2,3.7,4.9
1943,2.8,4.9,5.3,8.1,9.2,11.9,13.4,12.7,10.7,8.7,4.8,2.8
1944,4.5,2.7,4.2,7.8,9,11.3,13.9,14.3,9.9,7.1,3.7,3
1945,-0.9,5,6.6,7.3,9.3,12,14.1,14,12.1,9.6,6,3.2
1946,1.6,4,3.7,7.7,9.3,10.9,13.2,12.2,11.9,7.8,5.9,1.9
1947,1.4,-2.3,0.4,6,10.8,12.6,13.9,16.4,12.1,9.2,4.8,3.3
1948,2.2,3.3,6.4,7.3,9.2,11.4,13.4,12.5,11.6,8.1,6,3.8
1949,4,4.2,3.9,7.6,9,13,14.3,14.1,13.5,9.5,5.3,4.2
1950,3.2,2.8,5.7,5.2,9.3,13.1,13.3,13,10.4,7.7,3.5,-0.4
1951,1.8,1.5,2,4.4,7.7,11.4,13.6,12.5,11.8,8.5,6.5,3.7
1952,0,2.1,4.3,7.3,10.75,11.3,13.95,13.2,8.9,7.05,2.5,1.8
1953,3.2,3.5,4.4,5.1,10.6,12.8,13,13.4,11.9,8.3,6.7,4.8
1954,2,0.7,3.7,6.1,9.6,11.2,11.9,12.1,10,9.2,4.7,4.7
1955,0.9,-0.7,1.9,7.5,7.9,11.2,15.6,15.2,12.2,7.1,6,3.3
1956,1.4,0.1,4.6,5.5,9.8,11.2,13.2,10.6,12,7.9,4.7,4.8
1957,3.7,2.6,6.7,7.1,8.5,12.5,13.9,13.2,10,8.7,5.2,3.3
1958,1.3,2,1.9,6.1,8.2,11.4,13.7,13.6,13.1,9.3,5,2.4
1959,-0.5,2.9,5.5,7.1,10.9,12.8,14.1,14.8,12.5,10.6,5.7,4.1
1960,2.1,1.4,4.5,7.9,10.7,13.9,13,13,11.1,8.7,4.6,1.6
1961,1.8,4.7,6.5,7.2,9.3,11.6,12.6,12.6,12.2,8.5,4.3,0.8
1962,2.5,2.9,1,5.7,8.3,11.3,12.5,12,10.2,8.6,4,1.9
1963,-2.3,-1.8,4,6.2,8.1,12.5,12.4,12.2,10.5,8.4,5,2
1964,3,2.7,2.7,6.8,10.5,11.5,13.3,12.7,11.5,7.1,5.4,1.9
1965,1.1,1.8,2.7,6.3,9.1,12,11.9,12.4,9.9,8.9,2.2,2.3
1966,1.2,2.4,5.1,4.3,9.1,12.7,13.1,12.1,11.8,7.6,3.5,2.9
1967,3.2,3.6,4.9,6.5,7.7,12,13.3,13.2,11.3,7.8,3.9,2.9
1968,3.1,-0.1,4.5,6.1,7.6,12.6,12.6,13.1,11.5,10.4,4.6,1.9
1969,3.2,-0.7,1.4,5.5,8.8,12,13.8,14.4,12,11.2,2.5,1.6
1970,1.8,0.7,2.5,4.8,10.4,13.9,12.4,13.9,11.8,8.8,5.2,3.1
1971,3.1,3.8,4.7,6.4,9.5,10.6,14.2,13.2,12.2,9.8,4.6,6
1972,2.7,2.7,4.4,6.9,9.1,10,13.6,12.6,10,8.8,4,4.1
1973,3,2.6,5,5.3,9.1,12.9,13.8,13.4,11.8,7.5,3.9,3
1974,4.7,3.9,3.9,6.5,9.5,11.6,12.7,12.9,9.9,6.3,4.6,5.9
1975,4.7,3.2,3.2,6.8,7.9,12.7,14.6,16,10.7,8.6,4.6,4.5
1976,4.3,3.4,3.3,6.8,9.5,13.7,15.5,14.7,11.6,8.6,4.6,0.3
1977,1,2.6,5,5.8,8.7,11.4,14.3,13.4,11,10.3,4,4.2
1978,1.3,0.3,4.7,5.2,11.1,11.9,12.7,13.2,12.1,10.4,6.7,2.1
1979,-1.2,0.2,2.5,5.7,7.4,12.5,13.3,12.5,11.1,9.5,4.8,3.2
1980,1.1,3.4,2.7,7.5,9.7,11.7,12.8,13.1,12.4,7,5.1,4.3
1981,3.3,1.8,5.1,6.3,9.9,11.5,13.3,13.9,12.3,5.5,5.7,-0.8
1982,1.1,3.5,4.2,7.5,8.7,12.2,14.1,13.4,11.4,8.4,5.2,2.3
1983,4.7,0.6,4.8,4.7,8.3,11.8,16.1,15,11.1,8.4,5.6,4.4
1984,1.2,2.4,3.4,6.6,9,12.8,15,14.8,11.2,9.1,6.1,3.9
1985,-0.1,1.3,2.9,6.5,9.1,10.5,13.3,12.1,11.7,9.1,1.7,4.1
1986,1.3,-1.2,3.6,4.2,9.1,12.3,13,11.1,9.6,8.7,6,3.9
1987,0.1,2.1,2.7,7.7,8.5,10.5,13.7,13.1,11,6.9,4.7,3.6
1988,3.1,3.3,4,6.3,9.4,13.1,12.5,12.9,11,8.2,3.9,5.9
1989,5.7,4.1,4.7,4.9,10,12,15.2,13.6,11.3,9.7,4.8,1.8
1990,4.8,4.7,6.4,6.4,10.4,11.9,13.9,14.7,10.5,9.6,4.4,2.7
1991,1.5,1.2,5.9,6.1,9.7,10.1,15.4,14.5,11.7,8.1,4.8,3.2
1992,2.7,4.1,5.4,6.5,11.1,13.6,13.3,12.6,11.1,5.4,4.9,2.2
1993,3.7,4.7,4.7,7.1,9,12.6,12.8,12,10.3,6.1,3.1,2.3
1994,2.8,1.4,4.7,5.6,8.4,11.6,14.4,12.8,10.4,8.2,7.8,4.3
1995,2.4,4,3,6.9,9.5,12.8,15.1,15.9,11.6,11.1,6.3,0.9
1996,4.1,1.6,3.1,6.6,7.3,12,13.7,14.5,12,9.5,3.4,1.9
1997,2,4.4,6.3,7.5,9.3,11.7,14.6,16.1,11.6,8.5,7.1,4.3
1998,3.6,6.4,6.1,5.9,10.9,11.5,13.3,13.5,12.7,8,4.5,4.1
1999,3.4,3.6,5.3,7.5,10.8,11.7,14.9,13.7,13.4,8.9,6,2.3
2000,3.5,4.1,6,6,10.3,11.7,13.7,14,12.6,8.1,4.8,3.5
2001,2.4,2.2,2.4,5.6,10.9,11.4,14.2,13.5,11.5,11.4,6.2,2.7
2002,4.5,4.5,5.6,7.3,10.1,12.3,13.2,15,12.2,7.4,6.4,3.9
2003,3.1,2.7,5.8,8.6,9.8,13.5,15.3,15.3,12,7.4,6.8,3.4
2004,3.6,3.5,4.8,7.7,10.7,13.1,13.5,15.4,12.5,8.4,6.3,4.4
2005,5,3.4,5.9,7.1,9.1,13.1,14.4,13.8,12.6,10.4,4.3,3.5
2006,3.4,3.4,2.8,6.4,9.8,13.5,16.4,14,14.1,10.8,6.2,4.4
2007,5,4.3,5.5,9.4,9.8,13,13.6,13.6,11.8,9.8,6.4,3.5
2008,4.1,4.4,4.4,6.3,11.9,12.1,14.9,14.4,11.5,7.7,5.3,2.4
2009,2.4,3.1,5.4,8.2,10.1,13.5,14.7,14.5,12.3,9.5,6,1.1
