1901,0.4,1.4,7.8,12.2,15.8,21.3,22,22.3,18.7,14.6,7.2,4.6
1902,2.8,6.3,8.6,13.5,13,18.6,22.3,22,19,14,7,2.5
1903,2.2,5.3,9.1,9.6,16.1,18.8,21.9,22.3,19.1,14.8,8.8,5.3
1904,3.7,6.9,8.8,12.8,17.2,21.7,24,22.9,17.2,13.9,6.9,3.6
1905,-0.3,3.6,8.8,12,15.1,20.1,23.6,22.6,19.8,10.5,9.4,3.8
1906,1.9,4.5,7.4,11.6,15.9,20.1,21.9,22.9,17.5,14.1,10,2.8
1907,0.5,3.7,6.2,10.1,17,20.7,20.8,22.8,19.2,16.6,8.9,5.4
1908,1.5,5,6.9,10.3,18,21.3,21.6,21.4,17.4,14,6.4,2.9
1909,1,2.1,7.2,12.7,15.9,19.1,20.6,22.3,18,15.4,7.9,6
1910,3,6.5,8.8,11.8,15.1,20.4,20.3,21.8,17,14.5,7.4,6.4
1911,1.7,3.6,8.3,11.5,15.9,19.8,22.9,23.8,19.8,14.2,11,5.4
1912,3.3,7.1,10.1,10.4,16.3,20.2,21.9,20.7,15.3,12.2,6.4,4.2
1913,2.8,3.6,9,11.7,15.9,20.3,19.5,20.9,18.5,14.9,9.8,3.2
1914,-0.6,5.4,9,13.1,15.6,19.1,21.1,21.8,18.1,13,8.4,5.1
1915,2.9,5.1,7.5,12,17.7,20.9,21.8,21.2,17,12.2,7.3,6.7
1916,2.8,5.5,9.8,12.6,17,20.2,21.8,21.8,16.9,13.6,10.1,6.1
1917,2.2,2.5,6.6,10.4,17.4,22,22.2,23.1,20.2,14,7.6,2.5
1918,1.8,4.2,8,11.6,16.6,18.1,21.7,21.4,20.6,13.1,7.5,4.1
1919,4.9,4.3,8.6,11.3,14.2,20.2,20.2,22.9,19.8,12.3,7.3,2.8
1920,4.7,6.6,10.1,13.1,19.3,19.9,23,21.6,19.6,13.1,7.1,5
1921,5,5.4,9,11.5,17.4,19.6,23.5,23,19.1,15.4,8.3,2.5
1922,2,4.3,9.9,11,17.8,21.1,22.1,23.5,17.3,12.9,6.4,3.5
1923,3.1,5.4,8.7,11.7,17.2,17.5,23.3,23.8,18.3,15.7,10.7,3.9
1924,1.7,4,8,12.4,18.4,21,22.6,20.6,19.8,13.9,8.1,5.1
1925,3.5,7.4,6.8,12.4,16.4,20.9,21.6,22.6,17.9,14.8,9,1.8
1926,1.9,7.6,8.7,13.4,14.6,19.1,21.3,21.7,21.1,15.6,11.8,4
1927,3.8,4,9.6,13,16.7,22,23,23.7,19.7,14.2,10.8,4.3
1928,3.6,5.5,7.6,13,14.4,20.6,24.9,24.7,19.2,14.3,9.5,2.7
1929,-0.3,-0.2,7.2,10.5,17.5,21.5,23.1,23.1,20.3,15.5,10.1,5.2
1930,4.2,5.1,9.5,12.7,15.5,22.3,22.2,22.1,20.1,13.5,10.4,4.5
1931,3.5,5.4,7.2,10.8,17.2,22.8,22.8,22.9,16.1,14,9.8,2.8
1932,3.8,0.8,6.2,11,16,18.8,21.3,23.7,21.8,14.9,9.8,5.7
1933,2.8,4.6,8.2,12.1,14.8,17.7,22,22.9,18.9,15.1,8.8,0.6
1934,3.3,5.1,9.5,13.7,18,20.1,22.3,21.6,19.5,13.9,9.6,6.1
1935,0.7,3.5,7.7,11.2,14.3,22.3,22.9,22,19.1,15.6,10.5,4.8
1936,6.5,5.9,10.1,12,16.4,19.9,22.4,22.1,18.8,11.1,8.4,4.1
1937,2.4,6.8,8.8,11.9,17.1,21.3,22.1,21.9,18.3,14.3,9.3,3.7
1938,1.3,4.7,9.5,9.7,14.5,22.1,22.6,22.4,18.4,15.4,9.9,3.9
1939,4.8,6.4,6.2,12.9,13.4,20.2,22.4,22.9,18.3,13.7,9.4,4
1940,0.4,2.9,7.5,12.1,16,19.6,21.3,20.9,19.2,14.3,9.7,0.3
1941,2,5.5,8.4,11.6,14.4,21,23.4,22.4,17.6,13.6,7.4,2.2
1942,-1.2,3.7,9,12.1,17.1,21.7,23,22.9,22.1,16.5,8.5,5.4
1943,0.7,6.7,9.4,13.2,17.1,20.5,22.9,24.9,21.8,16.1,8.1,5.6
1944,2.1,3.7,5,13.1,16.8,20.2,22,24.6,19.3,12.9,7.1,2.3
1945,-0.6,4.4,8.8,13.2,18.3,22.6,24.4,23.1,19.7,13.8,8.4,4.5
1946,1.7,5.5,8.1,13.4,15.7,20.7,23.8,23.9,21.1,13.1,8.5,2.6
1947,-1,4.2,9.1,13.8,17.9,22.4,24.2,24.4,20.5,13.7,9.3,3.3
1948,5,4,10.2,13.8,17.4,20.2,19.9,22.4,19.3,14.7,9,3
1949,4.2,5.3,6.5,14,15.8,19.5,21.8,21.8,20,15.1,8.9,3.6
1950,1.5,6,9.4,11.5,17.3,21.9,23.6,23.3,18.8,13.9,8.2,4.6
1951,5.3,8.1,8.2,12.5,15.9,20.8,22.7,23.4,20.7,13.6,11.3,3.9
1952,2.6,3.6,7.6,14.1,17.1,22.1,25,24.1,18.4,14.3,8.1,4.6
1953,2,3.9,7.9,13.3,17.3,19.3,21.9,21.9,20.1,16.5,8.2,6.6
1954,0.2,3.4,9.6,11.6,15.6,21.5,21.4,21.7,20.7,14.1,9.5,5.6
1955,5.8,7,7,11.9,16,20.4,22.9,21.9,19,14.4,8.6,6.2
1956,4.7,0.4,6.9,10.9,17.1,19.1,23.2,23.6,20.5,13.6,7.9,3.1
1957,3.2,7.3,9.2,12.4,15,21.6,23,22.4,18.9,14.9,10.4,4.6
1958,2.9,6.5,6.3,10.1,18.2,20.2,22.8,23.6,20.3,15.1,11,5.6
1959,3.2,6.1,10.4,12.7,16.3,20.8,24.1,22.6,18.7,13.5,9.9,6.6
1960,3.6,5.4,9.1,12.8,16.8,21.3,21.5,22.3,18.5,15,10.6,6.1
1961,3.5,7.1,9.5,14.4,16.1,20.7,21.3,22.1,20,15.2,9.7,3.9
1962,3.4,4.4,6.4,12.1,15.2,19,21.5,23.9,18.9,14.6,8.9,1.9
1963,0.1,2.4,6.8,13,16.2,20.3,23.8,22.3,19.4,13.9,11.9,3.3
1964,0.4,4.7,8,12.6,17.1,22.2,23.1,22.1,18.8,14,9.6,4.4
1965,3.8,3,8.3,10.9,15.3,19.9,21.6,21.2,18,13.6,9.5,4.7
1966,1.1,8.5,8.5,13.7,16.6,21.2,21.1,21.3,19.5,17,8,3.9
1967,2,5.1,9.6,11.9,16.7,19.1,23.5,22.6,19,14.7,10.1,3.4
1968,0.9,6.9,8.8,13.5,16.6,19.8,22,20.5,18.7,14.4,9.5,2.9
1969,2.8,5,8.3,11.2,17.7,19.1,22.2,21.8,19.3,14.9,10.1,2.5
1970,4.3,5.1,7.3,11.1,14.5,21.2,21.9,22.2,19.8,13.1,10.1,3.7
1971,4.5,5.7,6.3,13.1,17,19.3,23.2,24.4,17.8,13.2,8.6,3.2
1972,4,8.1,10.5,12.3,15.8,20.4,22.1,21.5,16.6,12.7,8.9,4.7
1973,3.9,5.4,7.7,10.4,16.9,20.9,22.7,23.3,20.4,14.2,7.9,3.3
1974,6.3,8.4,9.7,11.8,15.9,19,22,23.2,19.2,10.8,8.6,3.6
1975,3.8,5.9,9,12.6,17,19.7,22.7,22.3,20.8,14.1,8.6,4.2
1976,2.5,6.4,7.1,11.9,16.7,21.4,22.8,20.1,17.7,15,9.8,4.7
1977,5.3,7.6,10.2,11.2,16.2,19.8,22,21.3,17.2,14.8,9.2,3.7
1978,4,5.1,9,11.1,14.9,19.9,21.2,21.1,18.3,13.8,6.7,4.6
1979,2.1,6.4,9.6,11.2,17.1,21.7,22,21.6,18.8,14.7,8,5.2
1980,2.9,6.1,8.7,10.6,14.6,19.1,20.7,23.2,19.4,14.2,8,2.3
1981,0.7,3.8,9.3,13,16.2,20.4,21.5,22.2,19.6,15.2,6.7,4.4
1982,3,3.9,7.9,12.9,17.7,21.3,23.7,22.6,21.1,15.8,10.1,5.6
1983,2.4,3.5,8.6,12.8,16.3,20.6,24.6,22.5,19.5,14.3,7.4,3.9
1984,3.1,4.4,7.3,11.6,14.1,19.1,21.7,21.6,18,14.9,9.9,4.5
1985,-0.1,4,8.4,12.1,16.8,19.7,24,23.2,20.3,15.1,8.3,5.2
1986,3,3.4,7.9,12.2,18.6,19.7,21.8,23.7,18.8,14.8,9.4,2.7
1987,1.6,5.5,5.8,12.5,14.8,19.2,23.8,22.6,21.3,15.6,9.4,5.1
1988,6.1,6.3,8.1,12.6,17.5,19.7,24,23.2,18.7,15.7,6.1,3.3
1989,2,6.3,10.3,12.7,16.8,19.4,22.2,22.5,18.5,12.9,7.9,4.8
1990,2.9,7.6,9.9,11.9,17.6,20.3,23,22.8,18.8,15.9,9.6,2.9
1991,3.5,3.8,11.2,11.3,13.5,19.8,23.9,23.8,21,13.4,8.6,1.7
1992,3.8,5.5,9,12.7,17.8,19.7,22.8,24.7,19.6,14.2,10.3,5
1993,3.1,4.6,7,12.4,17.8,21.4,21.7,24.1,19,14.9,7.6,5.8
1994,4.3,5.7,11.1,11.6,16.5,20.5,24.5,24.7,20.3,14.3,10.5,5.1
1995,3.1,6.7,7.2,11.6,15.6,19,24.4,22.4,17.5,15.7,8.6,5
1996,4.8,4.3,7.1,12.7,16.6,21.2,21.9,22.3,16.6,14.1,11.6,4.2
1997,4.7,7.1,10.1,10.6,17.2,21,22.2,23.4,20.4,14.4,9.7,5
1998,4.4,6.8,8,12.6,17.1,21.5,23.7,24.2,19,14.4,7.9,2.4
1999,3,4,9.2,12.3,17.5,21,23.5,24.4,21.1,15.4,8.5,4.3
2000,2,6.1,9.1,13.6,18.5,22.5,21.9,24.1,19.8,15.7,10.9,6.7
2001,5.2,6.6,11.5,11.5,18.2,20.6,23.6,25.1,17.2,17,8.9,2.2
2002,1.8,7.2,10.6,12.6,17.1,22.4,23.1,22.5,18.5,15.1,12.6,5.8
2003,3.3,2.8,8.8,12.1,18.8,23.3,25.2,25.8,19.6,13.9,10.9,5.4
2004,2.6,6,7.9,12.1,15.2,20.8,23,23.7,20.2,16.7,9.9,6
2005,2.5,2.8,7.6,11.7,17.3,22,23.8,22.6,19.8,15,9.1,2.8
2006,1.6,5.2,7.6,12.7,16.7,21.3,25.6,21.8,20.6,16.8,10.7,6.2
2007,6.2,8,10.1,15.1,18.3,22.1,23.6,22.7,18.4,14.1,8.6,4.4
2008,5.3,6.1,8.5,12.9,17.8,21.7,23.8,24.2,18.7,16.1,10.2,4.5
2009,3.6,5.2,9,14.1,18.7,21.1,23.7,25.1,21.5,14.4,10.5,4.2
