1901,3.2,0.6,4.3,9.8,13.3,16.1,18.9,17.6,15,10.3,4.6,3.9
1902,4.5,2.3,7.4,9.7,9.5,14.5,16.8,16,14.2,9.8,6.6,3.3
1903,3.8,6.4,7.4,6.6,12.7,14.2,16.6,16.1,15.1,12,6.9,2.1
1904,2.7,4.1,4.7,9.8,13.1,15.2,19.5,17.3,13.1,10.7,5.4,4.9
1905,2.3,4.7,7.5,8.3,11.7,16.1,18.7,16.3,13.8,7.3,5.3,4.4
1906,5.1,3.3,5.4,8.5,12.2,15.3,17.4,17.8,14.6,12.9,8.3,2
1907,3.1,2.1,6.5,8,12.4,13.9,15.6,16.5,15.5,11.4,7.5,5.1
1908,0.9,5.1,4.2,7.4,13.9,16.6,17,15.9,14.3,11.8,6,2.9
1909,2.2,2.3,4.4,10.5,12.3,13.7,14.9,17,13.5,11.7,4.5,4.3
1910,4,5.2,6.3,8,11.9,15.6,15.4,16.4,14,11.9,5.1,6.6
1911,1.9,4.5,6.2,8,13.9,15.6,19.7,20.2,16.3,10.9,6.6,7
1912,4.6,6.7,8.2,9.5,13.4,15.2,17.5,14.2,11.5,9.3,6,6
1913,5.6,4.5,7.5,9.1,12.7,14.9,15.5,16.5,14.8,11.8,9.7,4
1914,0.8,6.4,7.2,11.3,12,14.8,16.7,17.8,14.5,10.3,6.4,6.2
1915,4.2,4.5,5.3,8.6,13.7,16.6,16.1,16.4,14.2,9.1,3.9,7.3
1916,7.3,4.4,5.1,9.1,13.4,12.8,16.1,17.3,14,11,7,4
1917,1.1,-0.1,3.7,5.7,15.1,17.2,17.2,16.2,15.3,8.8,8.3,1.1
1918,3,5.5,6,7.9,14.3,14.3,17.2,17.5,14,9.5,5.8,7.4
1919,3.2,2.5,5.4,7.2,14.6,15.8,14.6,18,15.1,7.9,4.2,6.1
1920,5.3,6.3,8,9.3,13.5,15.5,16.2,15.3,14.3,11,5.3,3.9
1921,7.1,4.5,7.2,9.2,13.2,16.5,20.3,17.4,15.8,14.1,3.6,5.3
1922,4.1,4.7,6.1,7.3,14.2,15.7,15.5,15.8,13.3,8.1,5.8,5.3
1923,5.1,6.1,7.6,8.9,11.4,13.3,19.2,17.4,14.6,11.6,4.6,3.8
1924,4.4,2.8,5.6,8.4,13.8,15.2,16.7,14.9,14.5,11.7,7.3,4.9
1925,5.1,5.5,4.3,8.9,12.8,16.1,17.6,16.8,12.6,11.5,4.4,3.8
1926,4.4,8.1,7,9.9,11.4,14,17.9,17.6,16.3,10.4,7.9,2.9
1927,4.8,4.5,7.9,9.5,13.1,14.2,17.2,16.9,14.4,11.2,6.3,2
1928,5.5,6.7,6.9,9.6,11.7,15,18.6,17.7,14.7,11.1,8.7,4.4
1929,0.6,-0.9,6.8,7.1,13.3,15.3,18.5,17.5,17.9,11.2,7.5,6.9
1930,6.4,3,6.7,9.9,12,17.4,16.6,17.5,15,11.9,8.2,4.5
1931,4.4,4,4.9,8.5,13,16.2,16.8,16.2,12.7,10.3,8.1,4.6
1932,5.7,2.7,5.2,8,11.7,15.7,17.3,19.5,15.9,10.6,7,5
1933,2.1,4.3,8.1,9.5,12.8,15.7,18.7,19.1,16.2,11.6,5.6,-0.6
1934,3.9,3.4,5.9,10.1,12.7,16.8,19.4,17.1,16.6,12.1,6.6,8.1
1935,4.3,5.8,6.1,9.1,11.6,16.7,18.8,17.8,15.4,10.6,7.6,3.9
1936,6,3.8,7.7,7.5,13.2,16.3,16.5,17.5,15.6,9.9,6.6,4.6
1937,5.4,6.9,5.1,10,13.8,16,17.5,18.2,14.9,11.9,6.1,3.3
1938,5.6,4.6,8.9,8.1,11.5,16.1,16.6,17.9,15.6,11.2,9.7,3
1939,5.5,5.2,6.2,10,12,16.4,16.7,17.7,15.4,9.6,9.3,2.9
1940,-1.5,3.2,6.6,9.6,13.5,17.4,16.5,16.8,14.6,10.4,7.8,2.3
1941,0.2,3.8,6.7,7.7,10.2,16.5,18.7,16.1,15.4,11.4,6.5,5.3
1942,-0.3,-1,6.1,10.6,12.4,15.7,16.9,18.1,15.7,12.5,6.1,5.7
1943,5.3,5.7,7.7,11.6,13.6,15.4,18.2,17.6,14.6,12,6.3,2.9
1944,5.9,3,5,10.6,12.4,14.9,17.5,19.4,14.1,10.3,7.4,4.1
1945,-1.1,7.6,8.6,11.6,14.6,17.4,19.3,17.5,16,12.8,6.6,5.3
1946,2,6.6,5.9,10.8,12.7,14.4,17.8,16.4,15.4,11,7.8,2
1947,1.1,-1.1,5.7,10.4,14.5,17.1,19.1,21,17.6,11.9,8.2,3.6
1948,6.4,4.6,9.6,10.3,13.8,15.5,17.1,16.8,15,10.7,6.8,5
1949,5,5.4,5.8,12.1,12.2,16.2,20.1,18.9,18.5,13.1,6.6,5.3
1950,3.2,6.7,7.8,8.5,13.9,18.3,18.9,17.7,14.3,10.9,7.5,1.2
1951,4.8,4.3,5.1,7.9,11.1,14.8,17.2,15.9,15.5,10.3,9.2,5
1952,3.2,3.1,7.4,10.7,14.3,16.1,18.3,17.7,11.8,10.1,4.8,3.4
1953,1.9,3.9,7.3,9.2,14.1,14.7,16.6,17.6,15.2,11.6,7.2,7.2
1954,2.1,1.8,6.9,8.3,12.4,14.6,15.1,15.9,14.2,12.9,8,6.8
1955,3.5,2.6,3.6,10.1,11.2,15.3,18.3,18.7,15,10.2,7.4,6.3
1956,4,-0.9,6.9,7.5,13.6,13.3,16.6,14.7,15.9,10.6,6,6.3
1957,4.3,6.7,9.8,9.2,11.3,16.5,17.6,16.3,14,11.5,7.1,4.2
1958,4,6,4.2,7.8,13.1,14.5,16.9,17.1,16.3,11.5,6.7,5.4
1959,2.8,4.3,8.1,10.2,13.7,16.5,19.4,18.6,17.1,12.9,7.3,6.4
1960,4.2,4.6,7.5,9.6,14.1,16.8,15.8,16.3,13.9,11.3,8.6,4
1961,3.9,7.7,8.1,11.6,11.9,15.8,16.7,17.4,17.5,12,6.6,3.5
1962,4.8,4.5,3.1,8.5,10.7,14.4,16,16.3,14.1,11.5,6.1,1.5
1963,-1.9,-1,6.3,9.2,11.3,15.5,16.5,15.4,14.4,11,9.3,1.3
1964,2,5.1,4.9,8.9,14.2,15.4,17.7,17.2,15.6,9.1,7.6,3.4
1965,3.7,2.6,6.2,8.6,12.2,15.2,15.4,16.1,13.3,11.3,5.5,5.6
1966,2.1,7.4,6.5,9.6,12,16.7,16.1,16.1,15.2,12.1,5.8,6
1967,4.1,6,7.6,8.2,11.9,14.9,18.5,17.1,15,12.6,6.1,3.9
1968,3.9,3.3,6.9,9.1,11,15.4,16.4,16.9,15.2,13.4,6.5,2.3
1969,5.7,2.2,5.4,8.7,12.6,14.8,18.2,17.3,15.6,12.9,7.1,2.1
1970,4.3,4.1,4.3,7.4,13.3,17.3,16.6,17.3,15.9,11.6,8.7,3.5
1971,4.2,4.8,4.7,9.2,13.4,14,18.2,17.3,14.7,11.7,6.2,5.8
1972,3.5,5.2,7.7,9.1,11.4,13.1,17.1,16.4,12.9,10.8,7.1,5.4
1973,3.9,4.1,6.1,7.9,12.6,16.4,16.9,19,16.1,10.3,6.4,4.8
1974,6.8,5.9,6.5,9.4,11.8,15.3,16.2,17,13.7,8.3,8,8
1975,7.4,5.4,5.4,8.7,11.1,15.4,18.2,19.7,15.3,10.2,6.6,3.6
1976,5.4,4.7,5.2,8.7,13.7,19.1,20.3,18.7,14.8,12.3,6.9,2.5
1977,3.9,6.6,7.9,7.9,11.9,14,17.2,16.4,14.1,12.9,7.7,6.2
1978,3.6,3.3,7.2,7.5,12.3,14.8,16.1,15.8,14.8,11.9,7.5,4.8
1979,0.6,2.3,5.7,8.4,11.4,15.1,17.1,15.8,14.4,12.3,7.1,6.3
1980,1.9,6.2,5.9,8.9,11.7,14.9,15.7,17.5,15.8,10.3,6.2,4.6
1981,4.4,3,9.3,9.1,12.5,14.5,17,17.8,15.5,10.1,7.9,2.5
1982,3.2,4.9,6.4,9,12.7,17,18.6,17.2,16.4,11,8.8,4.7
1983,6.6,2.3,6.6,8.2,11.1,16.4,20.9,18.6,15.2,11.4,7.5,5.1
1984,4.7,4.1,5.3,8.7,10.6,15.6,17.7,18.4,14.7,11.9,9.7,5.1
1985,-0.3,2.1,4.7,9.4,12.6,14.4,17.8,16.1,15.8,11.6,4.4,6.6
1986,4,-1.3,5.2,6.7,12.5,16.7,17.6,16.1,12.5,12.8,8.5,5.9
1987,-0.6,3.7,4.5,11.2,11.2,14.5,17.3,17.2,16.1,11.7,7.1,5.3
1988,6.5,5.1,7,9.3,13.6,15.4,16.4,17.4,14.9,12.2,6,7.4
1989,5.1,6.1,9,7.8,15.2,16.1,19.5,18.5,16.4,13.4,6.5,5.5
1990,6.2,8.7,8.5,8.8,14.4,14.9,18.3,20.2,14.6,13.3,7.6,4.3
1991,4.4,1.5,9.1,8.8,11,13.6,18.5,19.1,16.8,11,7.2,3.9
1992,3.7,5.3,7.9,9.2,14.9,16.2,18.3,18.3,15,9,8.8,4.6
1993,6.9,4.1,6.9,11.2,13.9,16.8,17,16.6,13.9,10.3,4.7,6.6
1994,6.1,4.5,8.9,8.9,12.6,16.2,20.6,18.3,14.5,11.2,11.3,6.8
1995,5.5,8.1,6.5,9.9,13.3,15.6,20.6,20.7,14.8,14.5,8.2,3.1
1996,4.6,3.2,5.5,9.7,10.8,16.6,18,18,14.5,12.3,6.8,3
1997,1.6,7.5,9.4,9.6,13.3,16.3,18,21.1,16.1,11.8,9.4,6.5
1998,5.9,6.7,8.8,9.5,15.1,16.3,17.1,18.3,16.2,12.1,5.8,6
1999,6.5,5.5,8.5,10.7,15,15.7,19.7,18.8,18,12.1,7.5,5.6
2000,4.9,7.1,8.2,9.7,14.3,16.6,16.6,19,16.6,12.3,8.7,7
2001,4.6,5.7,7.3,8.6,14.1,15.9,18.5,18.7,14.4,14.6,7.5,3.7
2002,5.9,8.1,8.5,10.4,13,16.4,17.4,18.4,15.4,11.6,9.6,6
2003,3.9,4.2,8.7,10.7,13.5,18.1,19.2,20.1,15.8,9.9,8.7,5.4
2004,5.4,5.6,6.9,10.3,12.9,17,17.7,19,16.5,12.2,7.9,4.7
2005,6,3.9,7.4,10.3,12.9,17.5,18.4,17.5,16.6,14.4,7,4.2
2006,3.7,3.7,5.8,9.7,13.5,17.1,21.2,17.7,18.2,14.5,9.5,6.5
2007,7.6,7.4,8.5,12.7,14.2,17,17,17.3,14.9,11.5,7.6,5
2008,6.9,6.3,7.2,9.4,15.4,16.1,18,17.8,14.5,10.9,7.8,3.6
2009,2.6,4.4,7.4,11.2,14.2,16.6,18.2,19,16,12.3,10,4
