1901,3.3,0.8,3.8,8.4,11.4,14.2,17.9,16.6,14.7,10.4,6,3.9
1902,5,1.5,6.2,8.1,8.2,13.2,14.8,14.7,13.6,9.2,6.8,3.6
1903,4.1,6.4,7.2,5.4,11.4,13.3,15.5,15,14.4,11.2,6.7,2.9
1904,3.2,3.6,4.1,9,11.2,13.4,17.2,16.1,12.9,10.1,6.2,5.5
1905,3.2,4.6,6.8,7,10.9,15.3,17.3,15.6,13.3,7.3,5.7,5.1
1906,5.2,3.6,4.9,7.4,10.9,13.8,16,16.9,14.8,12.2,8.6,2.9
1907,3.7,2.2,5.9,7.4,11.3,12.8,14.5,15.1,14.4,11.2,7.2,5.1
1908,1.8,5,4.1,6.3,12.1,14.7,16,15.3,13.9,11.4,6.3,3.4
1909,3,2.5,3.4,8.6,10.8,12.6,14.3,15.6,13.2,11.2,5.7,4.3
1910,4.4,4.9,5.9,7.4,11.3,14.9,14.6,15.8,13.7,11,4.6,6.6
1911,3.7,4.7,5.2,6.9,12.8,14.4,17.6,18.5,14.9,10.2,6.7,6.4
1912,3.4,4.9,7.5,8.7,11.4,14.1,17.3,13.8,11.5,9,6.7,6.7
1913,4,4.7,6.6,8,11.5,13.8,14.5,15.5,14.5,11.4,9.3,5.9
1914,2.6,6.3,6.3,10,10.9,13.8,16.6,17,14.3,10.5,6.7,5.8
1915,4.6,4.1,5,7.7,11.3,14.4,15.1,15.7,13.9,9,3.9,5.8
1916,7.3,4.1,4.3,8.3,11.7,12,14.8,16.3,13.6,10.8,7.3,4
1917,1.6,0.5,2.7,4.8,12.5,15.9,16.2,16,14.8,8.8,8.4,2.6
1918,3.6,5.4,5.4,7.3,12.8,13.2,15.9,16.3,13.1,10,5.8,7
1919,3.3,2,4.2,6.8,12.9,13.9,13.9,16,14.2,8.4,3.6,5.1
1920,5.1,6.2,7.4,8.7,12.2,14.6,15.4,14.7,13.6,10.1,5.7,3.5
1921,6.9,4.8,7.2,8.6,11.9,14.5,17.6,16.4,14.9,13.5,4.3,5.5
1922,2.6,3.2,5.2,6.4,12,14,14.5,14.8,13,8.3,6.4,6
1923,5.8,4.3,6.7,7.5,9.7,11.5,17.7,15.8,13.5,11,4.7,3.1
1924,2.8,2.8,4.1,6.6,11.6,13.9,15.8,14.4,14.1,11,6.9,5.9
1925,5.5,5.4,4.8,7.7,12.1,14.7,17.3,16.1,12.3,10.9,4.4,3.1
1926,4,6.3,6.5,9.2,10.3,13.5,17.1,16.5,15.3,9.3,6.8,4.7
1927,5.1,4.4,7.1,8,10.8,12.6,16.5,16.5,14,11.1,5.8,1.1
1928,4.8,6,5.5,8.5,10.7,13.1,16.3,16.2,13.8,10.7,8.6,4.2
1929,1,-1.8,4.6,5.8,11.4,13.3,16.5,16.1,16.3,10.9,7.1,6.3
1930,5.8,2.7,5.3,8.6,11,15.9,15.9,16.5,14.5,11.2,7.6,4.4
1931,4.1,3.4,3.4,7.3,11.8,14.3,15.9,15.1,12.2,10,7.9,5.5
1932,5.8,3.4,4.4,6.9,10.7,14,16.6,17.7,14.4,9.7,6.6,5.2
1933,1.9,3.9,7.1,8.5,11.5,14.7,17.6,17.5,15,10.8,5.7,0.9
1934,3.9,4.4,5.2,8.6,11.1,14.7,17.5,16.3,15.6,11.3,6.8,8
1935,4.7,5.2,6,7.7,10.2,14.9,17.2,16.9,14.2,10,7.6,3.7
1936,5,2.9,6.5,6.4,11.5,15.1,16,16.5,14.8,9.7,6.1,4.8
1937,4.7,5.5,3.9,8.5,12.5,14.6,16.3,16.8,13.9,11.2,6.1,3.2
1938,5.6,4.6,8.3,7.2,10.4,14.3,15.5,16.8,15,10.7,9.1,3.1
1939,4.6,5,5.6,8.6,11,14.9,16.1,17.1,15,8.8,8.3,3.4
1940,-1.9,1,5.4,8.2,12.2,15.6,15.5,15.4,13.3,9.8,7.6,3.2
1941,-0.4,2.8,4.9,6.6,9.2,14.9,17.6,15,14.6,10.7,6,6.1
1942,-0.7,-1.2,3.6,8.7,11,14.1,15.7,17.2,14.7,11.8,6.8,5.9
1943,4.3,6.1,7,10.3,12.2,14.2,16.3,16.2,14,11.5,6.2,3.3
1944,5.9,3.1,4.6,9.3,11,13.4,16.3,17.6,13.2,9.5,6.7,4.1
1945,-0.3,6.8,7.7,9.5,12.3,15.1,17.6,16.2,15,12.4,6.9,5.2
1946,2,5.6,4.8,9.6,11.5,13.1,16.4,15.3,14.5,10.2,7.8,2.2
1947,1.2,-2.4,3.1,8.4,13.2,15.7,17.5,19.4,16.5,11.2,7.9,5.2
1948,5.5,4.4,7.6,9.3,12,14.4,16.2,15.8,14.7,10.7,7,5.2
1949,5.3,5.4,5.1,10,11,14.4,17.3,17.3,17.3,12.6,6.9,6.2
1950,3.5,5.7,7.2,7.5,12,16.1,17,16.8,13.7,10.4,6.6,1.8
1951,4.2,4.2,4.5,7,10.4,13.7,16.4,15.7,15,10,8.8,6
1952,3.5,3.8,6,9.5,13,14.5,16.8,16.8,12,9.3,4.5,3.4
1953,3.4,4.1,5.6,7.7,12.3,14.1,16,16.5,14.3,10.9,8.6,6.9
1954,2.5,1.1,5.4,7,11.7,13.7,14.3,15,13.4,12.4,7.5,6.8
1955,2.3,1.2,2.8,8.4,9.5,13.4,17,18,15.1,10.4,7.9,5.9
1956,3.5,-1.8,5.6,6.1,11.7,12.6,15.8,14,14.6,10.3,6.4,6.1
1957,5.5,5.7,8.7,8.3,10.8,15.2,16.8,15.6,13.1,11.4,6.9,4.7
1958,3.5,5,3.5,6.8,11.5,13.7,16.3,16.5,15.7,11.4,6.7,5.5
1959,2.8,3.7,7.2,9.7,12.4,15.4,18,18,15.9,13,6.8,5.9
1960,4.4,4.3,5.7,8.8,12.5,15.8,15.5,15.7,14,11.1,8,4.6
1961,3.5,6.9,8.2,10.1,10.9,14.9,15.3,15.9,15.9,11.9,6.5,2.8
1962,4.7,4.7,2.9,7.5,9.7,13.5,14.5,15,13.4,11.4,5.7,1.8
1963,-2.3,-1.6,5,8.1,10.4,14.6,15.5,14.7,13.8,11,8.7,2.5
1964,2.6,4.6,3.4,8.5,13.3,14.2,16.4,16.3,14.7,9.4,7.4,3.9
1965,3.9,3.8,4.9,7.8,11.4,14.1,14.1,15.2,13.4,11.4,4.7,5.2
1966,2.1,5.1,6.5,7.1,11.5,15.6,15.2,15.4,14.5,11.3,5.9,5.6
1967,4.5,5.9,7.6,7.6,11,13.8,17.4,16.5,14.4,11.9,6.2,5
1968,4.2,2.6,6.6,8.7,10.2,14.7,15.2,16.1,14.5,12.8,6.5,2.3
1969,5.5,1.4,2.9,7.3,11.4,14,17.3,16.9,14.7,13.3,6.7,2.2
1970,2.8,3.1,3.9,6.5,12.5,16.2,15.7,16.5,14.8,11.5,8.2,4.7
1971,4.1,5.2,4.8,7.6,12,12.7,17.2,16.5,14.8,12,6.8,6.8
1972,3,4.2,6.6,8.2,11.1,12.7,15.7,15.5,12.3,10.6,7.3,5.3
1973,4.6,4.9,6.6,7,11.4,15.2,16.2,16.8,14.8,9.9,6.5,4.9
1974,5.9,5.9,5.8,8.1,11.1,13.7,15.3,15.9,12.8,8.2,7,8
1975,7,4.3,4.9,7.7,9.9,14.3,17.2,19.1,14.5,10.1,6.4,5.7
1976,5.6,4.1,4.4,7.7,12.1,16.9,18.4,17.6,13.8,11.2,6.8,2.6
1977,3.1,5.1,7,7.1,10.7,12.8,15.9,15.6,13.9,12.1,7.4,6.1
1978,4,2.2,6.9,6.5,11,14,14.8,15.4,14.4,12.3,8.5,3.4
1979,-0.5,0.7,4.6,7.7,10.5,14,15.9,15.4,14.3,11.5,7.2,6.4
1980,2.1,5.6,5.1,8.4,11,14.1,14.9,16.3,15.3,9.8,6.6,5.5
1981,4.6,3,7.8,7.6,11.8,13.5,15.9,16.4,15.2,9.2,7.9,0.4
1982,2.3,4.3,5.9,8.1,11.9,15.6,17.2,16.6,15.1,10.8,8.4,4.6
1983,6.8,1.8,6.3,7.5,10.1,14.4,18.7,17.4,14,11.2,7.7,5.4
1984,4,3.3,4.7,7.8,9.7,13.8,16.1,17.5,13.9,11.8,8.6,5.6
1985,0.1,1.5,4.4,8.2,11.1,12.7,16.5,15.3,14.8,11.6,4.1,6.6
1986,3.5,-1.5,4.4,5.9,11.7,14.8,16.4,14.5,12.1,11.5,8.4,6.3
1987,0.2,3.3,3.5,9.9,9.8,12.9,16.2,15.9,14.4,10.6,7.3,5.7
1988,6,5.4,6.1,8.3,12.4,14,15.5,16.1,14,11.2,6.4,7.7
1989,6.3,6.2,8,6.7,13.3,14.9,17.8,17.1,15.6,12.5,6.9,5.7
1990,6.6,8,8.8,8.6,13,14.1,16.7,18.6,14,12.5,7.3,5.2
1991,3.8,1.5,8.6,8.1,10.2,12,18.3,18,15.3,11,6.9,5.3
1992,4,6,7.4,8.7,14.1,16.1,17.1,16.7,14.3,8.6,8.5,4.5
1993,5.9,4.5,6.5,10,12.3,14.8,15.5,15,13.1,9.4,4.6,6.1
1994,5.7,2.9,7.8,8.3,10.8,14.8,19.4,16.9,13.7,10.3,10.2,6.8
1995,5,7.2,6,9,12.1,13.9,19,19.2,14.5,13.6,8.1,1.6
1996,2.3,2.1,3.8,8.5,9.6,14.6,16.5,17.3,13.9,11.9,6.7,2.8
1997,1.5,6.7,8.2,8.5,11.8,14.6,17,19.9,14.8,10.8,8.1,6.1
1998,5.7,7.6,8.1,8.6,13.3,14.8,15.8,16.4,14.9,10.7,5.4,5.6
1999,5.9,5.2,7.7,9.7,13.2,14.1,18,17,16.9,11.4,8.1,5.4
2000,5.5,6.6,7.5,8.7,12.8,15,15.1,17.4,15.6,11.4,7.8,6
2001,3.7,5.2,5.3,7.8,12.8,14.4,17.9,18,13.8,14.3,8.4,4.5
2002,5.7,7.8,7.8,9.6,12.5,15.4,16.7,18.2,15.2,10.4,8.6,4.8
2003,4.5,3.8,7.8,10,12.9,16.9,18.2,18.8,15.4,9.6,8.6,5.6
2004,5.4,6,6.8,10.2,12.3,15.6,16.5,18.4,15.5,11.6,8.2,5.9
2005,6.5,4.4,6.9,9.5,11.7,15.8,17,16.5,16,13.7,7.8,5.5
2006,3.9,4.3,4.7,8.5,12.9,16,20.3,16.7,17.6,13.9,9.5,7.4
2007,7.8,6.8,8,11.5,12.5,15.7,16.2,16.8,14.8,11.5,8.2,5.4
2008,7.1,6.1,6.5,8.5,13.9,15.1,17.3,17.3,14.3,10.9,7.8,4.1
2009,3.1,4.4,7.2,10.7,12.8,15.1,17.3,18.1,15.4,11.9,9.4,3.9
