1901,3.1,1.1,3.7,8.6,12.1,14.2,17.8,16.1,13.8,9.3,4.7,3.5
1902,4.2,1.5,6.7,8.1,8.7,13.3,15.2,14.8,13.1,9.3,6.5,3.7
1903,3.7,5.9,6.4,6.3,11.4,13.2,15.3,14.6,13.4,10.5,6.3,2.4
1904,3.4,3.2,4,8.6,11.2,13.7,17.3,15.6,12.5,9.8,5.3,4.6
1905,3,4.4,6.6,7.5,10.7,14.6,17.3,14.9,12.6,6.7,4.6,4.8
1906,4.9,2.8,4.8,7.5,10.5,14.2,15.7,16.6,13.8,11,7.2,2.4
1907,3.2,1.9,6,7.3,10.7,12.4,14.8,14.7,14.1,9.9,6.6,4.7
1908,1.8,4.8,4,6.5,12.4,14.9,15.9,15.1,13.1,11.6,6.7,3.8
1909,2.7,2.5,3.7,9.4,11.3,12.9,14.7,16.1,12.4,10.3,4.3,3.7
1910,3.6,4.6,5.8,7.1,11.3,14.4,14.5,15.3,12.9,10.7,4.2,6.1
1911,2.6,3.9,5.1,7.1,12.9,14.6,18.4,18.4,14.4,9.7,5.7,6.3
1912,4,5.3,7,9.1,11.9,13.9,16.4,12.9,11,8.4,5.8,6
1913,4.7,4,6.1,7.9,11.4,13.7,15.2,15.8,14,10.9,8.4,4.2
1914,1.9,5.7,6,10.1,11,14.2,15.8,16.3,13.5,9.8,6.1,5
1915,3.6,3.7,4.8,7.9,12.1,14.7,14.9,15.5,13.3,8.9,3.2,5.8
1916,6.9,3.6,3.8,8.2,11.8,11.8,15.4,16.5,13.2,10.4,6.4,3
1917,1,0.4,3.4,5.2,13,15.1,16.3,15.4,13.9,7.7,7.8,1.6
1918,3,5.6,5.5,7.2,12.8,13.3,16,16.2,12.4,8.8,5.3,6.6
1919,2.9,2.3,4.3,7,13.1,14.3,14.4,16.6,13.4,7.6,3.2,5.5
1920,4.7,5.6,6.7,8.4,12,14.4,14.8,14.2,13.3,10.7,6.2,3.7
1921,6.6,4.2,6.5,8.5,11.8,15.5,18.7,15.7,14.6,12.7,4.9,5.6
1922,3.7,4.2,5.2,6.3,12.5,14.3,14.1,14,12.3,7.9,5.5,5.1
1923,4.9,5.5,6.7,8,10,12.9,17.8,15.7,12.9,10,3.5,3.6
1924,4.3,2.6,4.6,7.2,11.7,14,15.3,14,13.2,10.5,6.7,5.7
1925,5,4.5,4.4,7.8,11.2,15.4,16.7,15.8,11.6,10.5,3.6,3.1
1926,4.3,6.6,6.1,9,10.5,13.3,17.3,16.7,15,8.9,6.4,3.2
1927,4.4,4,6.9,8.1,12,13,16.4,15.9,12.8,10.3,5.8,2.1
1928,4.9,5.8,5.9,8.6,11.3,13.4,16.7,15.9,13.3,10.3,7.6,4
1929,0.8,0.1,6.1,6.7,11.5,13.7,16.7,15.7,15.9,9.7,6.7,5.9
1930,5.2,2.1,5.5,8.7,11.1,15.7,15.5,16,14,10.6,6.7,4.3
1931,3.7,3.7,4,7.6,11.1,14.2,15.4,15.1,12,9.4,7.4,4.9
1932,5.8,2.8,4.6,6.9,10.2,14.3,16,17.2,13.7,9,6.4,4.8
1933,2.2,3.6,7.1,8.2,11.6,15,17.2,17.4,15.2,10.4,5.6,0.6
1934,3.9,3.1,5,8,11,15.5,18.1,15.5,14.4,10.4,6,7.6
1935,4.3,5.1,5.5,8.2,10.5,14.6,17.3,16.3,13.9,9.5,6.6,3.3
1936,4.6,3,6.7,6.6,11.7,14.8,15.4,16.1,14.5,9.3,5.8,4.8
1937,4.9,5.7,3.9,9.2,12.1,14.4,16.1,16.7,13.5,10.8,5.9,3
1938,5.2,4.3,7.9,7.8,10.3,13.9,15,16.3,13.9,10.5,8.6,3.6
1939,4.4,5,5.9,8.6,11.3,15,15.3,16.3,14.4,8.6,8.4,2.9
1940,-0.5,2.7,5.5,8.6,12.3,16.2,15.3,15.8,13,9.6,6.8,3
1941,0.4,2.9,5.4,6.6,9,14.7,16.9,14.8,14.1,10.4,6.1,5.3
1942,0.9,-0.5,4.9,9.1,10.6,14,15.7,16.4,13.9,10.5,5.3,6
1943,5,5.4,6.6,10,11.8,13.8,16.5,15.6,12.8,10.6,6,3.1
1944,5.7,3,4.7,9.4,10.8,13.9,16,17.2,12.4,9.1,6.2,3.9
1945,-0.4,6.3,7.2,10,12.3,14.9,17,16.1,14.5,11.9,6.6,5.2
1946,2.9,5.7,5.1,9.4,11.4,12.8,15.9,14.7,13.7,10.2,7.5,2.6
1947,1.7,-2,4.1,8.3,12.4,15,16.8,19.2,15.4,10.9,7.4,4.3
1948,5.3,4,8.4,9,12.3,14.1,16,15.2,13.5,9.9,7.1,5
1949,4.8,4.9,5.3,9.9,11,15,17.9,17.1,16.6,11.9,6.4,5.4
1950,3.5,5.2,7.2,7.6,12.4,16.2,16.7,15.9,13,9.8,6.2,1.2
1951,3.8,3.6,4,7.2,9.6,13.6,16.2,15,14,9.3,8.3,5.4
1952,2.8,3,6.7,9.5,13.2,14.5,16.9,16.3,10.8,9.3,4.5,3.1
1953,2.5,3.6,5.6,7.4,12.7,13.9,15.5,16.3,13.9,9.7,7.7,7
1954,2.6,2.3,5.7,7.3,10.9,13,14,14.6,12.9,11.9,6.9,6.7
1955,2.6,1.1,2.6,9.4,9.7,13.7,17.2,18.2,14.1,9.3,6.6,6
1956,3.6,-0.8,5.8,6.4,11.6,12.9,15.7,13.5,14,9.2,5.6,5.5
1957,4.8,5.3,8.8,8.6,10.2,15.2,16.4,15.5,12.7,10.9,5.7,4
1958,3.6,5,3.5,7.2,11.4,13.4,15.7,15.5,14.8,10.5,6.2,4.3
1959,1.7,4.1,7,9.2,12.2,15.2,17.8,17.3,14.8,12,6.8,5.9
1960,3.9,3.7,6.2,8.8,12.6,16.3,15.2,15,12.8,9.9,7.3,3.7
1961,3.7,6.9,7.3,10.1,10.7,14.2,15.4,15.9,15.2,11,6.2,2.5
1962,4.2,4.3,2.5,7.7,9.6,13.2,15,14.8,12.6,10.3,5.4,1.7
1963,-1.9,-0.9,5.4,8.6,10.4,14.6,14.9,14.7,13.1,10.9,8.4,1.8
1964,3,4.3,4.4,8.3,12.9,13.9,16.4,15.6,14.2,8.5,7.3,3.2
1965,3.4,2.5,5.2,8.1,11.4,13.9,14.5,15.1,12.1,10.8,5.1,4.8
1966,2.8,6.3,6.2,8.1,10.9,15.3,15.2,15,13.8,10.3,5.1,5.6
1967,3.9,5.1,7.1,8.1,10.7,14.2,16.5,15.6,13.8,11.2,5.2,4.1
1968,4.3,1.8,6,7.6,9.9,14.9,15.1,15.8,14.1,12.8,6.6,2.8
1969,5.7,1.1,4.1,7.7,11.3,14,16.8,16.5,13.9,12.3,5.7,3.1
1970,3.9,3.3,3.6,6.9,12.4,16.1,15.6,15.8,14.5,10.7,8.2,3.4
1971,4.4,4,4.7,7.7,11.3,12.8,17.1,16.1,13.7,11.3,5.5,6.1
1972,3.8,4.7,6.6,8.7,10.5,11.6,15.6,15.4,11.7,10.2,6.1,5.8
1973,4,4,5.2,7.2,11.4,14.7,15.6,17.1,14.7,9,6.2,5
1974,6.1,5.5,5.7,8.1,10.8,14,15.5,14.9,12.3,7.6,7.1,7.8
1975,6.6,4.5,4.6,8,10.1,14.7,17.4,18.1,13.3,9.8,6,4
1976,5.5,4.1,4.6,7.9,12.1,17,18.6,17.1,13.2,10.8,6,1.8
1977,2.8,5.5,6.9,7.2,10.7,12.2,16.1,15.3,13,11.8,6.3,6.2
1978,3.3,2.4,6.5,6.5,11.1,13.6,15.1,15.1,13.7,11.4,8.3,4.6
1979,-0.1,1.2,4.8,8,9.7,13.8,16.5,14.8,12.8,11.2,6.7,5.6
1980,1.4,5.8,4.8,8.7,10.9,13.9,14.5,16,14.8,8.9,6,5
1981,4.3,2.4,7.9,8.1,11.3,13.4,16.1,16.4,14.3,8.4,7.1,0.7
1982,2.6,4.4,5.4,8.2,11.4,15.6,16.7,15.9,14.2,9.9,7.9,4.1
1983,6.2,1.5,5.9,6.8,10.3,14.8,19.4,17.5,13.8,10.1,7,5.1
1984,3.7,3.3,4.5,7.8,10.1,14.8,16.4,17.4,14,10.8,7.6,4.4
1985,-0.3,1.7,4.1,8.4,11.2,13.1,16.3,15,14.3,10.7,3.5,6.1
1986,3,-1.4,4.6,5.7,10.8,14.9,16.3,14.1,10.9,10.7,7.3,5.4
1987,0.1,3.1,4.2,9.5,10.6,13.3,16.2,15.8,14,9.7,6.1,5.1
1988,5.1,4.1,6.5,7.9,12.2,14.5,15,15.3,13.6,10.7,4.8,6.7
1989,5.4,5.4,7.4,6.5,13.3,14.7,18.4,16.7,14.7,11.6,6.3,4.8
1990,6.3,7.4,7.6,7.9,12.7,13.6,16.7,18.1,13.2,11.8,6.7,3.7
1991,3.3,1.1,7.6,7.7,11.1,12.4,16.8,17.1,14.9,10,6.6,4.4
1992,3,4.7,7.3,8.5,13.6,15.4,16.5,16,13.8,7.6,7.7,3.4
1993,6.1,4.5,5.9,9.5,12,15,15.7,14.8,12.4,8.3,4.4,5.4
1994,5.1,3.5,7.7,8.1,10.8,14.5,18.1,16.6,13.2,10,10.3,6.2
1995,4.9,7,5.3,9,11.7,14.9,18.8,19.6,13.7,13,7.5,2.4
1996,4.7,2.3,4.5,8.3,9.2,14.1,16.7,16.4,13.5,11.7,5.8,2.8
1997,1.5,6.6,7.9,8.4,11.8,14.5,16.8,19,14,10.5,8.4,5.5
1998,5.1,6.3,7.8,7.9,13.7,14.6,15.8,16.1,15,10.8,6,5.5
1999,5.3,5,6.7,9.2,13.1,13.8,17.8,16.6,15.7,10.5,7.4,4.7
2000,4.2,6.3,7,7.8,12.5,14.7,15.8,16.9,15.1,10.5,7,5.8
2001,3.5,4.6,6,8,12.3,14.2,17,16.8,13.9,13.5,6.9,3.1
2002,5.9,7.1,7.2,9.6,11.9,14.1,16,16.8,14.2,10.5,9.1,6.1
2003,4,4.1,7.4,9.5,11.8,15.7,17.3,18.4,14,9.3,8.2,4.9
2004,5.2,4.9,6.1,9,12,15.8,16.2,17.5,15.4,10.5,7.6,4.9
2005,5.7,3.9,6.9,9.1,11.3,15.6,17.1,16.2,15.2,13.1,5.7,3.8
2006,4.1,3.2,5,8.8,12.2,15.7,19.2,17.2,16.6,13.2,8.1,6.4
2007,6.6,6.2,7.3,11.7,12.7,15.6,15.6,15.7,14,10.7,7,4.9
2008,6.3,4.9,6.4,8.2,13.9,14.5,16.4,16.4,13.5,9.6,7.2,3.2
2009,3,4,6.5,9.5,12.5,15.4,16.6,16.6,14.3,11.7,9.1,3.2
