1901,3.5,1.7,4.1,8.3,11.1,13.8,17.5,16,14.3,9.9,5.9,3.4
1902,4.7,1.6,6.4,7.8,7.9,12.8,14.2,14,13.2,9,6.9,3.8
1903,3.8,6.5,6.8,5.4,10.4,13.1,14.9,14.3,13.7,10.3,6.5,2.8
1904,3.7,3.3,4.1,8.6,10.4,13,16.2,15.4,12.8,9.8,6,4.8
1905,3.7,4.7,6.8,6.7,10.4,14.6,16.8,14.8,12.8,6.8,5.4,5.3
1906,5.1,3.3,4.9,7,9.9,13.7,14.9,16.1,14.3,11.2,8,2.5
1907,3.8,2.3,6,7,10.2,12.1,14.3,14,13.8,10.3,6.5,4.6
1908,2.5,5.3,4,5.8,11.4,14.1,15.2,14.7,13.4,11.4,6.5,3.5
1909,3.3,3.1,3.5,8.4,10.2,12.4,13.9,15,12.6,10.2,5.2,3.7
1910,4,4.6,6,6.9,10.8,14.5,14,15,13.1,10.4,3.7,6.2
1911,4.1,4.6,5,6.7,12.3,14,16.7,17.3,13.7,9.3,6.1,5.9
1912,3.3,4.7,7,8.6,10.6,13.6,16.2,12.9,11.2,8.4,6.3,6.1
1913,3.7,4.7,6.1,7.5,10.6,13.4,14.2,15,14,10.7,8.7,5.3
1914,3.1,6.1,5.8,9.5,10.2,13.8,15.9,16.1,13.7,10.1,6.6,5
1915,4.2,3.9,5.1,7.5,10.4,14,14.3,14.9,13.4,8.7,3.2,4.8
1916,7.2,3.9,3.8,7.8,10.7,11.7,14.5,15.8,13.2,10,7.1,3.5
1917,1.9,1.1,2.7,4.6,11.6,14.7,15.5,15.4,14.1,7.9,8.2,2.7
1918,3.3,5.7,5.3,7,12,12.8,15.3,15.7,12.2,9.5,5.2,6.3
1919,3.2,1.9,3.6,6.8,12.4,13.4,13.7,15.1,13.4,8.2,3.3,4.7
1920,4.7,5.9,6.8,7.9,11.2,14.2,14.5,14,13.1,9.9,6.4,3.3
1921,6.6,4.8,6.9,8.2,10.9,14.1,16.9,15.3,14.1,12.7,4.5,5.5
1922,2.4,3.2,5,5.8,10.9,13.3,13.6,13.9,12.5,8.1,6.3,5.5
1923,6,4.3,6.6,7,8.7,11.9,16.8,14.8,12.7,10.1,4.1,2.8
1924,3.1,3.4,3.9,6.2,10.6,13.5,14.9,13.8,13.5,10.3,6.7,6.3
1925,5.5,4.9,5.1,7.2,11.1,14.6,16.8,15.5,11.8,10.2,3.7,2.5
1926,4.2,5.9,6.3,8.8,9.5,13.3,16.6,15.8,14.5,8.3,5.9,4.5
1927,4.9,4.2,6.8,7.3,10,11.9,16.2,15.8,13.1,10.5,5.6,1
1928,4.6,5.6,5.4,8,10.3,12.3,15.1,15.2,13,10,7.9,3.7
1929,1.2,-0.8,5,5.7,10.6,12.8,15.6,15.1,15.2,9.9,6.7,5.5
1930,5.2,2.4,5,8.2,10.4,15.2,15.2,15.7,13.9,10.4,6.5,4.2
1931,3.5,3.5,3.5,7,11,13.5,15.4,14.5,11.6,9.2,7.7,5.5
1932,6,3.6,4.5,6.3,10.1,13.9,15.9,16.7,13.4,8.7,6.3,5.4
1933,2,3.9,7,8.3,11.3,14.8,17.3,16.8,14.8,10.1,5.4,1.6
1934,4.1,4.9,4.7,7.6,10.5,14.4,17.2,15.4,14.8,10.4,6.2,7.7
1935,4.6,5,6.4,7.3,9.7,14.5,16.3,16.2,13.3,9.2,6.7,2.8
1936,4,2.7,6.3,6.1,10.9,14.7,15.4,15.9,14.6,9.3,5.6,4.7
1937,4.8,4.9,3.2,8.5,11.8,14.1,15.8,16.3,13.3,10.5,5.8,2.5
1938,5.5,4.8,8.4,7.1,9.7,13.7,14.7,16.1,14.3,10.2,8.7,3.4
1939,4,5.1,5.8,8.2,10.7,14.4,15.4,16.5,14.3,8.3,7.9,3.2
1940,-1.6,1.6,5.2,7.7,11.8,15.4,14.8,14.9,12.5,9.4,7.1,3.3
1941,-0.3,2.5,4.5,6.2,8.9,14.4,16.5,14.5,14.6,10.2,6,5.6
1942,0.1,-0.7,3.8,8.4,10.3,13.6,15,16.3,13.8,10.7,6,5.8
1943,4.2,6.2,6.8,9.7,11,13.8,15.6,15.3,13.2,10.7,6.1,3.5
1944,5.7,3.3,5,9.1,10.2,13.2,15.9,16.7,12.5,8.9,6,3.9
1945,-0.1,6.6,7.6,8.9,11.3,14.4,16.7,15.7,14.4,11.7,7.1,4.8
1946,2.1,5.4,4.9,9,10.7,12.5,15.6,14.4,13.9,9.6,7.6,2.3
1947,1.7,-1.9,2.6,7.6,12.4,15.1,16.6,18.7,15.1,10.8,7.1,4.9
1948,4.8,4.4,7.8,8.7,11.1,13.9,15.7,14.9,13.9,10,6.9,4.9
1949,5.1,5.3,5.2,9.5,10.4,14.3,16.5,16.6,16.6,11.8,6.6,5.6
1950,3.8,4.8,7,6.7,11.3,15.5,16.1,15.8,13,9.7,5.8,1.3
1951,3.3,3.5,4,6.5,9.4,13.1,16,15,14.3,9.9,8.3,5.2
1952,2.6,3.5,6.2,9.1,12.4,14.1,16.1,16.2,11.3,8.9,4.3,3.2
1953,3.7,4.5,5.8,6.8,12,13.7,15.2,15.9,13.9,9.7,8.3,6.5
1954,2.7,1.6,5,7.1,10.9,13.1,13.8,14.3,12.4,11.7,6.7,6.1
1955,2.3,0.5,2.9,8.9,8.8,13.1,16.8,17.5,14.5,9.7,7.6,5
1956,2.8,-0.2,5.7,6.1,11.7,12.5,15.4,13.2,14.1,9.5,6.4,5.6
1957,5.6,4.9,8.4,7.8,10.5,14.4,15.7,14.8,12.4,10.8,6.5,4.6
1958,2.9,4.4,3.3,7,10.9,13.3,15.7,15.6,14.9,10.7,6.5,4.2
1959,1.5,4.6,7,9.3,11.6,15.2,17.2,17.5,15,12.6,6.8,5.9
1960,3.9,3.8,5.6,8.6,12.2,15.7,14.9,14.8,13.3,10.4,7.2,4
1961,3.2,6.7,8.3,9.5,10,14.7,14.5,15.2,15.1,11,6.2,2
1962,4.4,4.7,2.6,7.2,9.4,13.6,14,14.2,12.8,10.6,5.4,1.6
1963,-1.4,-1.1,5.5,8,10,14.4,14.7,13.7,13.2,10.9,8.1,3.1
1964,3.1,4.6,3.7,8.7,12.8,13.4,15.7,15.5,13.9,9,7.2,3.1
1965,3.4,3.7,4.9,7.8,11,14,13.1,14.3,12.9,11,4.6,4
1966,2.4,5,6.4,6.3,10.5,15.3,14.5,14.6,13.9,10.3,5.5,4.8
1967,4.1,5.5,7.3,7.3,9.6,13.6,16.7,15.6,13.7,10.9,5.7,4.1
1968,4.1,2.1,6.6,8.1,9.4,14.4,14.3,15.1,13.8,12.3,6.5,2.8
1969,5.3,0.6,2.9,7,10.6,13.4,16.7,15.9,13.6,12.6,5.2,3
1970,3.2,2.8,3.5,6.4,12.2,15.7,15.1,15.8,14.2,10.8,7.5,4.3
1971,4.3,4.9,5,7.3,10.9,11.9,16.5,15.4,14.5,11.6,6,6.5
1972,3.6,4.1,6.4,8.1,10.6,12.3,14.8,15,11.7,10.5,6.7,5.3
1973,4.7,4.9,6.8,6.9,10.8,15.1,15.5,16,14.3,9.3,5.9,4.7
1974,5.6,5.6,5.5,7.1,10.7,13.3,14.8,15.3,12.3,8,6.6,7.6
1975,6.3,4.2,4.7,8.1,9.3,14.2,17,18.8,13.7,10.1,6.2,5.4
1976,5.5,4.7,4.7,7.8,11.5,16.8,17.8,16.8,13.3,10.7,5.9,1.9
1977,2.7,4.4,6.6,6.9,9.7,12.2,15.1,15.1,13.4,11.7,6.6,6
1978,3.3,1.9,6.8,5.8,10.4,13.7,14.3,14.9,14.1,12,8.6,3.6
1979,-0.1,1.1,4.4,7.6,9.8,14,15.7,15.1,13.8,11.1,6.8,5.5
1980,2.3,5.2,4.5,8.3,10.1,13.9,14.3,15.6,14.7,8.9,6.8,5.4
1981,4.4,3,7.3,7,10.9,13.2,15.6,16,14.8,8.4,7.5,0.4
1982,2.1,4.6,6,8.3,11.3,15.1,16.2,15.9,14.2,10.1,7.8,4
1983,6.4,1.6,6.4,6.6,9.5,13.6,18.3,16.9,13.5,10.4,7.5,5.2
1984,2.9,3.1,4.4,7.4,9.2,14.3,16.1,17,13.5,11.1,8,5
1985,1,2.4,4.4,7.9,10.1,12.2,15.8,14.6,14.5,11.4,4,6
1986,3.1,-0.9,4.9,5.7,11.2,14.2,15.8,13.5,11.7,10.7,7.7,5.6
1987,0.9,3.6,4,9.7,9.5,12.6,15.5,15.3,13.6,9.7,6.5,5.8
1988,5,4.8,5.8,7.8,11.3,13.9,15,15.6,13.4,10.5,5.5,7.1
1989,6.2,5.8,7.3,6.2,12.5,14.5,17.4,16.5,14.9,11.7,6.6,5
1990,6.4,7.3,8.6,8.2,12.2,13.7,16.4,18.2,13.5,12,6.9,4.7
1991,3.3,2.2,7.9,7.7,10.3,12,17.6,17.5,14.7,10.4,6.8,4.8
1992,3.9,5.8,7.2,8.5,13,15.9,16.1,15.6,13.4,8,7.5,3.7
1993,5.4,5,6.4,9.1,11,14.4,14.9,14.4,12.4,8.7,5,5.1
1994,4.9,2.8,7.4,8.2,9.8,14.8,18.2,16,12.9,9.8,9.8,6.1
1995,4.5,6.4,5.4,8.6,11.3,13.5,18.5,18.2,13.9,13.1,7.9,2.3
1996,3.6,2.8,3.8,8.1,8.8,14.3,16.2,16.8,13.7,11.6,5.9,3
1997,2.6,6.9,8.3,8.7,11,13.8,16.6,18.9,14,10.2,8.6,5.8
1998,5.2,7.8,7.8,7.8,12.1,14.1,15.3,15.8,14.5,10.5,5.7,5.2
1999,5.4,5.4,7.6,9.5,12.5,13.7,17.2,16.1,16,10.9,8.1,4.4
2000,5.3,6.2,7.3,7.9,11.4,14.5,14.6,16.7,15,10.6,7.2,5.3
2001,3.3,4.6,4.9,7.4,11.9,13.8,17.1,17.1,13.3,13.6,7.6,3.7
2002,5.6,7.2,7.3,9.2,11.9,14.8,16,17.3,14.5,9.8,7.9,5.3
2003,4.7,4.1,7.6,9.7,12.2,16.2,17.4,18,14.9,9.7,8.4,5
2004,5.3,5.8,6.7,9.7,12.1,15.6,15.8,17.7,14.9,10.9,8,6
2005,6.2,4.5,7.1,8.8,11,15.4,16.4,16.1,15.3,13.1,6.9,5.1
2006,4.6,4.3,4.6,8.3,11.9,15.9,19.2,16.3,16.9,13.2,8.6,6.5
2007,7,6.2,7.3,11,11.4,14.9,15.5,16,14.4,11.5,7.7,5.2
2008,6.7,5.8,6.1,7.9,12.7,14.5,16.7,16.9,14,10.4,7.5,4
2009,3.6,4.4,7.4,9.9,12.1,14.7,16.6,17.1,14.7,11.6,8.6,3.4
