1901,4.3,1.6,6,12.5,16.1,21,23.5,22.5,18.4,12.5,5.8,3.8
1902,5,5.2,10,13.3,12.9,18.3,23.1,22.3,18.3,12,8,4.6
1903,5.2,7.2,9.9,9.7,16.3,18.4,21.9,21.6,19.2,13.9,7.7,3.7
1904,4.3,5.6,8.2,13.2,16.9,20.9,25.5,23.4,17.4,13.6,6.8,5.5
1905,2.9,4.3,9.1,12.1,14.2,19.9,25.4,22.2,18.2,11.2,6.9,4.3
1906,5.1,3.5,7.6,11.2,15.4,20.8,23,23.5,19.5,14.9,8.9,2.2
1907,3,2.2,8.7,10.5,15.3,18.4,21.2,22.7,20.4,13.1,9.3,6.7
1908,3.8,4.9,7.3,10,18,20.5,22.4,21.1,17.9,15,8.1,4.5
1909,3.3,2.8,6.3,13.6,16.3,17.4,20.7,21.6,17.3,14.7,5.8,5.7
1910,4.6,5.4,8.7,10.4,13.6,19.4,20.8,21.3,16.4,14,6.5,5.8
1911,2.7,5.8,8.5,10.2,16.3,19,25.5,25.9,21.4,13.3,9.4,7.2
1912,5.4,8.3,10.5,11.4,16.7,18.9,21.9,18.5,15.6,12,5.3,5.9
1913,6.7,6.1,9.4,9.9,15.6,19.6,20.7,21.7,18.5,14.4,9.5,3.9
1914,1.3,7.2,8.3,13.6,14.5,18.3,20.6,21.6,18.1,12.1,7,6
1915,3,4.7,7.6,10.6,16.9,20.7,21.7,21.3,18,10.9,5.6,6.9
1916,6.6,5.5,7.7,11.9,17,17.7,22.2,22.3,17.6,12.6,8.5,5
1917,1.5,4.1,6.3,9.3,17.4,21,22.7,21.4,19.4,11.3,6.4,2.4
1918,4.6,5.8,8.9,10,16.8,18.3,23.1,22.1,19,11.2,8.3,6.9
1919,3.4,4.8,7.7,10.2,16.9,20.1,20.2,23.1,19.7,10.3,5.1,5.6
1920,5.9,7.9,10.4,12.1,18.3,20,22.4,20.6,18.5,13.6,7.7,4
1921,6.5,5.2,9.4,10.9,16.4,20.3,25.1,22.4,20.9,17.4,6.3,4.3
1922,3.7,5.6,8.7,9.6,18.4,20.1,21,22.4,16.3,11.7,6,4.8
1923,1.8,7.1,8.5,12,15.3,17,25.7,24.7,19,15,7.6,3.3
1924,4.9,2,9.4,12.3,17.7,20.1,23.7,19.4,18.7,13.8,8.8,5.7
1925,6.7,6.8,4.8,10.9,15.5,21.2,22.2,22,17,14.6,5.6,5.5
1926,4.6,10.5,9.5,13.2,14,18,22.2,23.8,21.9,15.7,10.7,1.8
1927,4.9,6.5,9.1,13.1,18.1,20.4,22.4,22,18.8,14.6,8.4,3.9
1928,5.8,7.8,9.3,11.6,14.9,19.9,27,25.3,19.7,13.8,8.6,3.1
1929,0.6,0.1,9.4,10.3,16.4,20,23.7,22.1,22.6,14,8.9,7.8
1930,7,3.5,8.6,11.3,14.1,20.9,20.6,22,19,14.1,10.4,4.1
1931,3.8,2.8,7.9,11.2,17.4,22.2,22,20.9,14.9,13,9.4,2
1932,3.9,1.1,6.8,9.7,14.7,18.3,19.9,24.8,20.9,13.2,9,5.5
1933,1.8,4.8,10,13.1,15.7,17.6,23.4,26,20.1,14.1,5.8,-0.9
1934,3.3,3.1,7.9,12.7,17.5,21.8,25.2,21.1,21.4,14.5,5.5,8.4
1935,0.6,5.2,7.6,10.7,13.8,21,24.4,21.5,19.5,11.5,8.3,4.3
1936,7.9,5.9,9.1,9.5,15.1,18.8,20.9,22.1,19,9.8,7.3,5
1937,7.7,7.3,6.9,11.4,17.1,20.1,23.8,23.4,19.1,13.6,7.4,3.2
1938,3.8,4.5,10.1,10.9,13.7,20.1,21.7,21.4,18,13.3,10.9,2.5
1939,5.7,5.3,5.5,11.3,12.6,19.4,21.3,21.6,17.2,12.6,9.8,2.6
1940,-1.1,6.3,9.2,11.3,16,19.4,21,21.6,18.8,12.2,9,-0.6
1941,0.6,5.6,9.7,10.6,12.8,19.7,23.8,20.5,18.6,11.6,7.9,2.6
1942,-0.6,-0.8,10.7,12.8,16.4,21.4,23.3,23.5,21.4,16.1,5.7,5.3
1943,6.2,6.9,11.2,14.5,18,21.3,23.9,24.7,20.1,15.1,6.2,4
1944,4.4,2.1,6.3,13.7,17.4,19.9,23.2,26.5,18.4,11.4,8.1,3.9
1945,-1.4,7.7,10.4,16,19.8,21.1,26.4,22.8,20.2,15.3,6.6,5.5
1946,2.1,7.1,8.7,14,15.9,21.4,23.5,22.7,20.4,12.8,7.9,1.9
1947,2.4,3.2,9.6,15.5,17.7,22.6,26.4,26,21.6,15.1,10.7,3.5
1948,6.5,5,11.6,12.8,17,19.2,20.5,22.3,18.2,14,8.1,6.4
1949,4.5,4.5,7,14.1,14.4,20.2,25.4,25.1,23.2,15.7,6.3,5.2
1950,2.9,7,9.1,10,17.2,22.2,25.8,23.9,18.4,13.4,8.5,1.2
1951,4.9,5,7,11.9,13.8,19.9,23.5,21.6,19.8,12,9.8,5.6
1952,2.1,2.9,10,13.5,18,23.2,26.9,23.7,17.1,13.6,6.4,4
1953,0.5,3.4,9.6,12.9,18.8,18.3,23,24,20.2,13.9,7.1,7.3
1954,1.9,1.9,8.9,10.6,15.4,20.9,22,20.9,19.1,14.4,9.8,6.3
1955,5.8,4.9,7.4,14.3,16.5,19.8,23.4,23.3,19.2,12.6,7.6,6.6
1956,5.1,0.3,7.8,10,17.3,18.2,21.9,20.7,19.4,11.8,5.2,5.3
1957,3.2,7.4,11.6,11.9,14.3,19.1,22.8,21.6,18.8,14.1,7.3,4.1
1958,4.2,6.7,6.7,9.9,17.5,19.1,22,22.7,20.3,12.8,6.3,5.1
1959,4,6.4,9.9,11.6,16.6,20.9,25.5,22.4,19.1,13.7,7.3,6
1960,4,6.4,8.3,11.9,18.2,21.2,21.1,20.3,16.5,12.3,8.6,2.4
1961,3.3,8.5,10.9,14.1,15.5,20.5,22.3,22.4,22.1,13.9,6.7,5.5
1962,5.5,4,5.5,11.3,14.7,19.9,23,24.7,18.9,13.4,5.5,1.2
1963,-1.3,0.6,7.5,11.4,15.6,18.7,22.9,19.5,17.2,13.4,10.3,0.8
1964,1.2,6.2,6.5,11.7,17.6,20.8,25.1,21.8,19.1,10.8,7,3.4
1965,4,2,7.9,10.4,16.1,20,20.7,21.4,15.8,14,7.3,5.6
1966,2.7,8.1,8,12.5,16.1,20.3,20.6,20.9,20.5,14.2,5,4.8
1967,3.7,5.8,9.4,11.9,15.2,18.9,24.9,22.5,17.8,15.9,8.5,2.1
1968,3.4,5.1,8.7,12.3,14.1,19.2,22,19.7,16.9,15.3,7.1,3
1969,4.9,2.9,7.2,10.8,15.6,17.1,22.6,21.4,17.9,14.6,7.9,0.5
1970,4.9,4.5,5.1,9.5,15.5,20.7,22.7,22,20.2,13,10.1,1.9
1971,2.4,4.8,4.7,13.3,15.9,18.3,24,23.3,19.3,14.9,5.6,4.4
1972,3.8,6.6,9.4,10.4,14.6,17.7,22.3,20.4,15.7,13.1,8.5,4
1973,2.4,3.4,7.9,9.9,16.6,20.3,22.7,23.8,20.5,12.3,8.4,3.9
1974,6.9,5.4,8.2,11,15.4,19.3,22.9,23.2,16.8,8.3,8.1,7
1975,6.3,6.5,5.9,11.3,14.3,18.6,23.6,23.1,18.3,11.9,7.2,2.4
1976,4.5,5.3,8.2,10.8,17.6,23.4,24.3,22.4,16.6,12.3,6.9,3.6
1977,3.9,7.1,9.6,10.8,13.9,17.6,21,19.9,17.8,14.7,7.6,5.5
1978,3,4.4,8.6,9.2,14.1,18.3,21.8,21.5,19.6,13.6,6.9,6.1
1979,1.9,5,8.6,10.1,15.8,20.4,24.2,21.7,19,14,7.1,5.5
1980,2.8,7.5,7,9.7,13.9,18.3,21,23.5,20,12.9,6.8,2.2
1981,3,3,9.6,12.5,14.5,20,21.3,23.7,19.2,13.7,7.7,5.3
1982,6,6,7.6,12.5,17.2,21.3,25.5,21.8,20.6,12.8,9.2,4.6
1983,6,2.1,8.5,10.5,13.9,20.7,26.8,23,19.9,14.2,8.1,5.2
1984,4.3,3.7,6.6,11.9,12.4,19.4,24,22,17.3,13.5,10.5,4.7
1985,-0.6,5.8,6,12.7,14.3,19.1,24.7,23,22.4,15,5,5.8
1986,4,0.3,7.9,8,17.2,20.4,24.2,23,19.4,15,9.1,4.6
1987,-0.7,4.2,5.9,12.8,14.1,18.5,22.6,23.5,21.2,14.4,7.4,5.5
1988,6.6,5.3,7.6,11.8,15.9,19.4,23.4,23.4,19.1,14.9,6.9,5.6
1989,4.5,6.4,11.3,10,18.9,21.2,25.3,25,19.4,14.9,7.9,6
1990,4.5,9.8,11,10.6,18.3,19.8,24.8,24.9,20,15.6,7.2,2.7
1991,4.3,4.2,10.6,11.3,15.1,19.4,25.5,25.9,21,12.1,7.8,3.7
1992,2.5,5.6,9.4,12.8,18.3,17.8,23.4,24.7,18.5,10.6,10,5.9
1993,6.1,3.5,8.7,11.9,16.8,20.9,22,23.9,17.2,11.8,5,6.2
1994,5,5.6,12.2,9.8,16.8,21.2,26.3,25.2,17.2,13.7,10.8,6.3
1995,4.6,8.2,8.1,12.5,16.2,20.4,25.9,23.5,16.9,16.3,8.2,4.2
1996,6.1,3.3,8.1,12.7,15.7,21.6,23.2,22,17.1,14.2,7.9,4.5
1997,3.1,8.2,13.2,13.8,17.7,19.4,23,25.3,21.3,15.1,9.4,5.8
1998,5.2,7.4,10.2,10.8,18.1,21.2,25.2,25.1,18.9,13.8,5.8,4.8
1999,5.9,4.5,10,12.4,18.6,20.9,25,23.9,21,14.8,6.5,5.3
2000,4.3,8.2,10.4,12.3,18.4,21.9,22.1,24.9,20.6,14.1,8.7,8
2001,6,6.3,11.2,11.3,17.5,21.2,24.2,24.5,17.4,17.1,6.9,2.3
2002,4.8,7.5,10.8,13.4,15.8,21.9,23.5,22.5,18,14.5,10.1,6.2
2003,3,4.1,10.4,13,18.4,23.9,26.1,26.7,19.8,12.9,9.4,5.6
2004,4.3,5.2,8.1,12,16,22.3,24.5,23.7,20.3,15.6,7.5,4.6
2005,4.4,2.5,8.3,12,17.8,23.5,25,23.6,19.7,15.7,7.1,2.6
2006,3,4,8.3,13.3,17.8,22.5,28,22.3,20.9,16.7,10.9,5.1
2007,6.7,7.7,9,14.4,17.8,21.4,23.4,22.4,19,13.7,7.1,4
2008,6.4,6.8,8.7,12.1,17.5,21.1,24.4,23.9,18.7,14,7.4,3.8
2009,2.3,4.9,9.1,12.9,19,22.1,25.4,25.7,20.6,14.3,10,5.4
