1901,2.5,1,2.7,7.9,13,13.5,17.9,14.9,12.1,7.5,4.8,1.5
1902,2.5,0.6,5.2,8.2,9.3,13.5,13.8,13.5,12.1,7.6,6.2,3.1
1903,1.8,5.1,4.4,6.2,11.4,13.1,13.5,13.4,11.2,7.7,4.5,1.4
1904,3.2,0.5,3.3,7.5,11,14.4,15.7,14.2,11.3,8.4,4,2.7
1905,3.4,3,4.5,6,11.9,15.5,15.9,13.5,11.3,6.5,3.1,2.9
1906,2.9,0.7,3.2,7.4,9.4,14.9,14.9,15.5,12.9,9,5.9,1.9
1907,2.6,2.2,5.6,7.2,10.4,11.1,13.7,12,12.3,8.7,5,2.2
1908,2.2,3.7,2.8,5.6,11.9,14.6,14.4,13.4,11.3,10.6,6.2,3.6
1909,3.1,3.4,1.8,8,11.4,12.2,13.9,14.6,11,7.7,3.1,1.1
1910,1.8,2.6,5.3,6.6,12.3,14.1,13.8,14.8,11.7,9,2.2,4.2
1911,3.3,3.5,4.1,7.8,13.5,13.8,16.9,16.5,12,7.6,4.1,3.9
1912,1.4,2.9,5.5,8.7,11.1,12.7,14.2,11.4,10.1,7.5,3.6,3.6
1913,1.8,3.4,3.6,7,10.5,13.7,14.6,14.6,12.1,8.9,6.1,2.3
1914,2.4,4.5,3.6,9,10.5,14.6,15.4,15.6,12.2,8.6,4.6,0.9
1915,1.4,1.7,3.6,7.7,10.4,14.2,13.7,14.4,11.9,7.6,1.5,1.3
1916,5.1,1.5,1.2,7.5,10.9,11.3,14.8,15.6,11.5,7.9,5.1,1.4
1917,-0.2,1.1,1.7,5.1,12.5,13.6,15.7,15.2,11.8,5.4,5.9,1.6
1918,1.2,4.8,4.4,7.2,12.9,13.5,14.9,14.9,9,7.7,4,3.5
1919,1.3,0.4,1.1,7.1,13.3,13.1,13.8,14.1,10.9,7.6,1.2,2.2
1920,2.4,4.4,5,6.3,11.2,14.1,12.8,13,11.2,9,6.2,1.9
1921,3.6,3.8,4.8,8.6,11.1,14.3,16.4,13.5,12.5,10.9,4,5.5
1922,2.1,3.8,4.2,5.1,11.7,12.6,12.5,12.5,10.8,7.2,5.2,3.3
1923,4.8,3,5,6.6,8.4,11.9,15.4,13.6,10.6,7.7,1.7,2.5
1924,3.2,2.9,2.5,7,10.3,12.9,14.5,13,10.7,8.3,5.8,5.3
1925,3.5,2.4,3.5,6.7,10.8,14.9,16.3,14.5,9.8,8.8,2.7,0.7
1926,3.1,4,4.9,8.9,10.1,13.4,15.8,15.2,12,6.1,4,3.3
1927,2.6,3.7,5.7,6.7,10.1,11.1,15.3,15.1,10.2,8.7,3.9,-0.1
1928,3,4,3.6,7.7,11.2,11.5,14,14.3,11.1,8.2,5,1.9
1929,0.2,0.7,6.2,6.6,12.1,12.7,14.9,14.1,12.9,7.2,4.4,3.3
1930,2.3,-0.3,3.1,8,11.3,15,14.5,14.7,11.7,8.1,3.7,3.1
1931,1.6,2.2,1.6,6.8,11,12.2,13.9,13.2,10.4,8.2,5.7,4.7
1932,5.1,3.7,3.8,6.2,10.1,14.4,14.8,14.8,11.3,6.8,4.6,3.8
1933,1.4,2.7,5.3,8.6,11.3,15.2,16.8,15.8,13.4,8.5,4.2,2
1934,3.8,4.8,3.2,6.2,11.3,14.3,16.8,14.2,12,8.3,4.4,5
1935,3.2,3.7,5,6.9,10.8,13.3,16,15.7,11.4,7.9,4.2,0.9
1936,1.2,1.2,4.3,6.6,11.2,14.3,14.4,15.4,12,8.7,4.7,4
1937,2.9,1.8,0.6,7.4,11.8,13.7,14.4,15.1,11.8,8.5,4.2,0.4
1938,3.2,3.6,7.6,8.7,10.4,12.5,13.3,14.9,11.7,8.5,5.6,2.2
1939,1,4,4.1,7.1,11.1,14.4,13.9,15.6,12.3,7.2,5.4,2.4
1940,-0.8,1.2,4.1,7.1,12.4,16.5,13.7,14.9,10.6,7.5,4.7,3
1941,-1.5,1.5,2.4,5.8,10.2,14.6,15.2,13.8,13.1,9,4.3,4.4
1942,0.7,0.7,2.1,8.3,11.2,13.5,14.7,14.7,11.3,8.1,4.6,4.8
1943,2,5.4,5.6,9,11.6,14.1,15.2,13.8,11.1,9.4,4.8,3.3
1944,4.4,3,5.2,9,10.8,13.1,14.9,15.9,11,7.8,3.3,2.9
1945,-0.6,5.2,7.3,9,11.3,13.6,15.7,15.7,13.1,10.4,6,4.5
1946,2.2,3.8,4.8,9.5,12.1,13.3,14.7,13.8,11.9,7.3,5.4,2.5
1947,1.4,-3.2,0.3,6.9,12.7,13.9,15.6,18.4,12.5,9.7,4.7,2.7
1948,1.1,3.1,7.5,8.7,12.1,13,14.8,13.2,11.8,8.4,6.6,4.1
1949,3.9,4.8,4.9,8.9,11.6,15,15.7,15.4,13.4,9.7,5.2,3.2
1950,3,2.3,6.2,6.5,11.8,15.1,14.7,14.7,10.6,8,3.2,-0.1
1951,1.5,1.5,2.1,5.8,10.4,13.9,15,13.6,11.9,9.5,5.9,3.6
1952,0.2,3,4.3,9.1,13,12.8,15.2,14.1,9.6,7.1,2.4,1.9
1953,3.4,4.1,6.4,6.4,12.4,14.7,14.4,14.8,12.5,9.3,6.6,5.2
1954,2.3,1,4.1,8.3,11.8,13.1,13.1,13.4,10.6,8.8,5.1,4.4
1955,0.2,-0.7,2.8,9.5,10.4,13.6,17.9,17.3,12.8,8,5.8,2.8
1956,1.3,0.9,5.1,7.3,12.1,13.1,14.1,12.2,12.1,8.3,5.5,4.6
1957,4.2,2.5,6.6,8.7,11,15,14.1,14.1,10.3,9.3,5.1,3.4
1958,2,2.1,1.2,7.5,11.7,13.4,14.6,14.3,13.4,9.6,5.8,2.3
1959,0.2,4,5.8,8.3,13.3,14.2,15.1,16,13.7,10.9,5.5,3.3
1960,2.3,1.5,3.8,8.9,12.9,15.7,14.5,14.1,12.3,8,4.8,1.8
1961,2,4.5,6.7,8.2,11.3,13,13.4,13.8,12.4,8.6,3.6,0.6
1962,2.6,3.4,1.6,7.5,10.3,13.9,14,13.3,10.6,9,3.7,2.6
1963,-2.2,-0.9,4.5,7.4,9.8,14.2,13.9,12.6,11.1,9.2,4.3,2.4
1964,3.6,3.4,3.1,7.9,11.5,13.2,14.1,13.5,12,8,5.3,2.3
1965,0.9,2.3,3.3,7.5,10.6,13.5,12.5,13.8,10.6,9,2.3,1.6
1966,0.8,1.3,4.9,4.8,11.1,13.9,14.2,13.6,12.1,7.8,3,2.5
1967,2.7,3.6,4.3,7.5,9.7,14.4,14.2,14.8,12.1,7.7,4.6,3.1
1968,2.2,-0.1,4.5,7.9,8.8,14.8,13.7,15.1,11.6,9.4,4.3,3
1969,2.8,-0.7,2.1,7.2,10.3,14.9,15.3,15.8,12.1,10.9,2.1,2.6
1970,1.9,1,2.8,5.7,11.5,15.7,12.8,15.2,11.9,8.3,4.1,3.1
1971,2.8,3.8,5,7.9,11.9,12.7,15.7,14.2,13.3,10.1,4.9,5.7
1972,2.3,3.2,4.9,8.3,10.9,11.9,15.4,14.3,11.5,9.8,4.4,3.9
1973,2.9,2.6,6,6.4,10.1,13.2,14.8,14.9,11.8,7.7,3.8,2.6
1974,4.5,3.8,4.3,9.3,11.4,13.6,13.8,14.5,10.4,7.1,4.4,5.1
1975,3.9,3.4,3.5,7.4,11.2,14.9,15.9,17.4,11.3,9.1,5.1,5.1
1976,3.4,3.4,3.7,8.1,10.9,15.5,17.2,16.8,11.4,8.1,4.6,0.3
1977,1.2,1.3,4.9,6.2,11.6,13.1,16.1,14.8,10.9,9.9,3.7,3.9
1978,1,-0.8,4.5,5.9,12.7,13.9,13.9,14.3,11.3,9.9,6.4,2.2
1979,-0.6,0.3,2,6.4,9.8,14.6,14.6,13.7,11.6,9.6,4.7,3
1980,1,3.2,3.1,9.4,13.2,13.8,14.1,14.9,12.4,6.9,4.5,4.1
1981,3.1,2.6,4.6,8,12,12.8,14,15.7,12.8,5.7,5.3,-0.7
1982,0.7,3.6,4.1,8.5,11.6,14,16.9,14.2,11.6,8.4,4.9,2.4
1983,3.8,0.8,4.5,5.7,9.1,13.2,17.6,17.2,10.8,8.4,5.5,4.4
1984,-0.1,2.4,3.2,8.7,11.3,14.1,17.1,17,10.8,8.6,4.8,3.9
1985,-0.6,2.5,2.8,7.3,10.6,12.5,14,13.3,10.8,9.2,2.1,3.3
1986,1.3,-1.8,3.4,5.2,9.9,14.6,13.9,12.6,11.1,8.7,5.5,2.7
1987,-0.2,2.5,2.7,8.8,10.3,11.6,14.8,14.6,11,7.4,4.3,3.7
1988,1.9,2.7,3.8,7.7,12.3,15.6,13.7,14,11.4,8.1,4.9,5.8
1989,5.8,3.6,4.7,5.9,12.7,14.1,17.9,14.4,12,9.3,5,1.4
1990,4,3.5,5.9,7.7,12.7,13.5,15.9,15.3,11.3,8.9,4.3,2.9
1991,1.6,1.7,5.5,7.4,11.8,12.2,16,15.9,13.1,8,4.9,4.3
1992,3.4,4.1,4.5,7.6,13.1,15.4,14.7,14,10.6,6.3,4.9,2.5
1993,3.2,4.2,4.9,8,10.4,13,13.6,13.9,11.4,6.8,3.8,1.6
1994,2.1,1,3.7,6.9,11,13.5,16,14.6,11.1,8.4,7.8,4.1
1995,2.3,2.7,3,8.1,11.8,15,17.3,17.7,11.8,11,6.3,1.5
1996,3.1,1.9,2.7,7.8,9.7,14.6,15.4,15.8,12.9,9.6,3.5,2
1997,2,3.8,6.2,9.1,11.3,13.1,16.2,17.3,12.3,9,6.7,3.9
1998,3.2,5.7,5.3,6.5,11.8,13,14.5,14.6,12.4,7.5,4.5,4.1
1999,2.5,2.8,5,8.3,11.9,13.1,15.8,14.3,13.7,8.9,5.8,1.7
2000,2.8,3.2,5.6,6.8,12.7,13.3,14.6,15.5,13,8.6,4.5,3.1
2001,1.9,1.7,2.9,6.8,13.1,12.8,14.7,15.2,11.3,10.6,5.4,2.1
2002,3.8,3.2,5.4,8.9,12.2,14.4,14,15.6,12.9,7.4,6.1,2.9
2003,2.1,3.5,6.4,10.6,11.5,15.5,16.9,17.1,13,7.5,6.4,3.1
2004,2.2,3.3,5.2,8.6,12.7,14.3,14.9,16.4,12.3,7.9,5.5,3.7
2005,3.3,2.2,5.1,8.6,10.8,14.3,15.2,14.9,12.6,10.2,4.6,3.4
2006,3.1,3.3,2.4,7.6,11.8,15.5,18,14.8,13.8,10.3,5.4,4.2
2007,3.4,3.9,5.6,10.5,11.2,14.2,14.9,14.8,12.2,10,5.5,3.2
2008,2.7,4.6,4,7.4,13.8,13.9,16.1,15,11.7,7.4,4.4,2.1
2009,1.9,2.5,5.2,9.5,12.2,15.5,16.2,15.2,12.6,9.3,5.2,1.3
