1901,4.1,2.6,4.6,10.2,14.7,15.3,19.9,17,14.7,10.4,6.7,3.8
1902,5,1.7,7.4,9.9,10.1,14.8,15.8,15.2,14.2,9.6,7.2,4.7
1903,3.9,7.1,7,7.3,13,14.6,15.9,15.3,14.2,10.3,6.9,2.8
1904,4.6,3,4.4,9.8,12.4,15.3,18.1,16.5,14,10.3,6.9,4.3
1905,4.7,5.3,7.5,7.6,13.1,16.6,18.3,15.5,13.3,7.8,5.7,6.5
1906,5.7,3.4,5.9,9.4,11.5,16.4,16.9,17.9,15.6,11.5,8.2,3
1907,4.3,3.2,8.2,8.8,11.9,12.9,16.3,15,15.4,10.7,6.9,4.9
1908,3.7,6,4.8,7.6,13.9,16.4,16.9,16.1,14.1,12.8,7.8,4.3
1909,3.9,4.4,4.4,11.6,13.8,14,15.2,16.9,13.3,10.3,5.7,4.5
1910,4.5,5,7.3,8.3,13.5,16.3,15.3,15.9,13.9,10.7,4.1,6.5
1911,4.6,5.1,5.5,8.6,15.4,16.1,19.8,19,14.9,10,6.5,6.6
1912,3.9,5.6,7.2,11.5,13.2,15,17,13.4,12,10.1,6.6,6.8
1913,4,5.3,6.6,8.9,12.9,15.4,16.1,16.9,14.9,11.4,9.5,5.2
1914,3.7,6.8,6.2,11.4,12.7,16.5,17.4,17.8,15.3,11,7.8,5.2
1915,4.1,4.3,6.1,9.7,13.5,17,15.7,16.2,14.9,9.8,3.8,5.2
1916,7.9,4.2,3.8,9.9,13.3,13.3,16.7,17.8,14,10.5,7.8,4.1
1917,2.2,2.1,3.8,6.8,14.7,16.3,17.7,16.4,14.8,8.8,8.9,3.5
1918,3.8,6.4,6.6,8.7,15.1,15.3,17.4,17.4,12.4,10.1,6.1,6.6
1919,3.5,2.3,3.9,9,15.9,15.8,15.7,17,14.4,9.7,3.6,5.6
1920,5.3,6.5,7.5,8.4,13.2,16.1,15.3,15.2,14.3,11.2,8.2,3.8
1921,6.6,5.2,7.6,10.8,13.6,17.1,20.1,16.3,15.5,14.1,5.1,6.8
1922,3.2,4.1,5.4,7.5,13.7,15.3,14.4,14.7,13.2,9.3,7.5,5.6
1923,6.8,4.7,7.3,8.5,10.5,13.3,18.3,16,13.6,10.2,4.6,3.8
1924,4,4.1,5.4,8.3,12.4,14.9,16.3,14.6,13.5,10.6,7.3,7
1925,5.9,4.8,5.7,8.9,12.9,17.6,18.6,16.6,12.4,11,4,2.9
1926,5.1,5.9,6.9,10.7,11.6,15.3,18,17.3,15,8.7,6.3,4.9
1927,5.1,4.6,7.3,8.8,12.8,13.4,17.4,16.8,13.1,11.2,6.4,1.6
1928,5.7,6.3,6.1,9.9,13,13.8,16.8,16.3,14.3,10.7,8.1,4.2
1929,1.5,0.6,6.7,7.9,13.6,14.7,17.6,16.3,16.7,10.2,7.4,5.8
1930,5.3,2.1,5.7,9.4,12.6,17.1,16.2,16.9,14.2,10.7,6.8,4.8
1931,3.8,4.1,4.9,8.3,12.7,14.4,16.2,15.5,12.1,10.4,8.2,6.2
1932,7,4.2,5.9,7.6,11.5,16,17,17.7,13.8,9.3,6.8,6.2
1933,2.8,4.6,8.6,10.3,13.8,17.4,19.4,18.9,16.6,10.7,5.9,2.6
1934,5.3,6.2,5.6,8.7,13.2,16.7,20,16.8,15.7,10.9,6.6,7.9
1935,4.8,5.4,7.6,8.8,12.3,15.9,18.4,18.1,13.9,9.9,6.9,3
1936,3.9,3,7,7.7,13.5,16.5,16.2,17.4,15.2,10.5,6.4,5.9
1937,5.4,4.9,3.3,10.1,13.9,15.6,16.9,18.4,14.5,11.2,6.5,2.8
1938,6,5.4,10.4,9.8,12,15,15.9,17.4,15.1,11.1,9.2,4.5
1939,4.1,6,6.6,10,13.5,16.6,16.3,17.8,14.9,9.4,8.5,3.9
1942,1.6,0.4,5.1,10.7,13,15.9,16.6,17.2,14.6,11,6.5,6.5
1943,4.9,7.1,8.1,11.6,13.5,15.6,17.8,16.5,14,11.6,7,4.5
1944,6.6,3.9,6.7,11.3,13,15,17,18.4,13.4,9.5,6.6,4.8
1945,0.9,7.4,9.1,11.3,13.7,15.9,18.1,17.4,15,12.7,7.8,5.6
1946,3.1,5.8,6.3,11.5,13.5,14.1,17.2,15.7,14.4,9.9,8.3,3.8
1947,2.7,-0.9,3.3,8.9,15,16.7,17.9,21.6,15.6,12.3,7.4,5.2
1948,4.8,4.7,10.3,10.8,14.2,15.1,17.4,15.4,14.5,10.8,8,5.5
1949,5.8,6.1,6.7,11.5,13.4,17.7,18.9,18.6,17.7,12.5,7.3,5.8
1950,4.6,5,8.3,8.2,13.8,17.9,17.6,17,13.5,10.6,6.2,1.7
1951,3.7,3.6,4.5,8.1,11.7,15.9,17.7,16,15.1,11.4,9.1,6.1
1952,2.5,4.5,6.9,11.4,15.4,15.4,17.9,17.4,11.9,9.7,5,3.8
1953,4.2,5.4,8,8.7,15,16.1,16.5,17.5,15.3,10.9,9.1,7
1954,3.5,2.5,6.3,10,13.3,14.3,14.8,15.2,13.5,12.2,7.6,6.7
1955,2.6,1.3,4.5,11.7,11.5,15.2,20.8,20.1,15.7,10.4,8.5,6
1956,3.4,1.6,7.7,9.1,14.2,14.7,16.5,14.4,15.4,10.8,7.5,6.1
1957,6.2,5.6,9.8,10.6,13.2,17.9,17.4,16.4,13,11.4,7.3,5.6
1958,3.8,4.9,4.4,9.4,12.8,15.2,17.6,17.3,16.5,11.5,7.6,4.8
1959,2.5,5.5,8.3,10.7,15.8,17.1,19,19.5,17.1,14.5,8.1,6.4
1960,4.6,4.6,6.6,11,15.2,18.8,16.5,16.5,14.3,10.8,7.5,4.3
1961,3.6,7.3,9.7,11.2,12.8,15.9,16.1,16.7,16.8,11.9,6.9,2.9
1962,5.2,5.3,4.1,9.4,11.8,15.7,15.8,15.2,13.6,11.6,6.1,3.6
1963,-0.7,0.2,6.9,9.5,12.1,16.5,17.1,15.1,14.4,11.7,8,4
1964,4.6,5,4.2,10.1,14.9,14.8,16.7,17.2,15.7,10.3,8,4.3
1965,3.8,4.1,6.8,9.9,13.3,16.4,14.6,16.2,13.4,11.9,5,4.7
1966,3.1,4.9,7.5,7,13.3,16.9,16.3,16,15.1,10.7,6.5,5.5
1967,5,5.5,7.2,9.2,11.3,16.7,17.5,16.9,14.9,10.8,6.9,5.3
1968,4.9,2.2,7.4,10.6,11.4,17,16.1,17.1,14.7,12.8,6.7,3.6
1969,5.9,1.2,3,9.2,12.5,16.3,18.3,17.8,15,13.9,5.5,3.9
1970,4.2,3.4,4.8,7.6,14.7,18.8,15.8,18,14.9,11.8,8.1,4.9
1971,5.1,5.6,5.7,9.3,13.6,13.5,19.1,16.7,16.3,12.7,7,7.3
1972,3.7,4.4,7.4,9.6,12,13,17.1,16.4,13.3,12,6.7,6.1
1973,4.4,5.2,8.2,8.4,12.7,17.2,17.3,17.6,14.9,10.2,6.9,5.6
1974,6.4,5.7,6.5,10.1,12.9,15.3,15.6,16.5,12.5,8.4,7.1,7.9
1975,6.8,4.9,5.9,9.6,11.6,17.5,18.5,21,14.3,11.6,7.1,6.1
1976,5.7,5,5.2,9.7,12.8,18.3,20.5,20.1,14.3,10.9,7,1.9
1977,3.1,4.3,7.3,8.4,12.5,14.6,17.6,16.9,13.8,12.3,6.4,6
1978,3.2,2.6,7.3,7.7,14.5,15.4,15.9,16.2,14.2,12.6,9.2,4.1
1979,0.8,1.3,4.5,8.8,11,16.1,16.8,16.2,14.4,12.2,7.8,5.5
1980,2.5,5.4,4.8,11.1,14,14.8,15.8,16.8,15.1,9.7,7.2,6.2
1981,5,3.5,8,9.6,13.5,14.5,16.6,17.8,15.9,8.7,8.5,1.7
1982,3.5,5.6,7.3,11.6,14.3,16.3,18.4,16.9,15.5,10.9,7.8,4.8
1983,6.9,2.6,6.5,8,11.3,15.3,21.5,20,14,11,8,6.7
1984,3.1,3.9,5.1,11,13.5,16.4,19.7,19.8,13.8,11.9,8,5.5
1985,1.9,3.2,5.7,9.1,12.5,14,17.1,15.2,15.3,11.7,4.9,6.3
1986,3.5,-0.5,6,7,12.4,16.6,16.4,14.5,13.5,11.5,8.5,6.3
1987,1.7,4.7,4.7,11.5,12.1,13.5,17.3,16.5,14.3,10.1,6.7,5.8
1988,5.3,5.2,6.6,9.3,13.8,16.8,15.5,16.5,13.7,10.9,6.7,7.6
1989,6.9,6.3,8,7.5,15,17.1,20.4,17.8,15.4,12.4,7.1,4.6
1990,6.7,7.2,9.1,10,15.2,14.7,18.8,19.2,13.9,11.9,7.1,4.5
1991,3.5,3.2,8.5,9.1,12.8,13.4,19.3,18.7,16.4,10.7,7.3,5.4
1992,4.6,6.4,7.8,9.7,15.8,18.5,17.4,16.6,14.2,8.7,8.4,4.1
1993,6.2,5.7,7.5,10.5,13,16.4,15.7,16.1,13.5,9.5,5.5,5
1994,5.1,3.5,7.4,9.4,11.7,15.6,19.8,16.6,13.3,11.2,10.2,6.8
1995,5.2,6.7,5.7,10.2,13.7,16.6,20.7,21.7,15.5,14.3,8.9,3
1996,4.4,3.7,4.4,9.7,11,16.5,18.2,18.9,15.1,12.5,6.7,3.6
1997,3.6,7.2,9.5,11,13.9,15.2,18.8,21,15.3,11.4,9.2,6.4
1998,5.7,8.3,9,8.9,15,14.8,16.2,17.1,15.6,11,6.9,6.5
1999,5.9,5.8,8.1,11.1,14.5,15.4,19.4,17.7,17.4,11.8,8.8,5.1
2000,5.9,6.7,8.7,9.5,14.5,15.7,16.9,18.3,15.7,11.1,7.4,5.5
2001,3.8,4.9,5.6,8.8,15.5,15.2,18.5,18.1,14,13.9,8.5,4.2
2002,5.9,7,8.7,11.6,13.4,15.8,17.1,18.6,15.9,10.4,8.3,5
2003,4.6,5.4,9.5,12.9,13.7,18.1,18.9,19.9,16.2,10.7,8.9,5.4
2004,5.2,5.8,7.7,10.9,15,17,17.3,18.9,15.8,11,8.4,6.3
2005,6.3,4.7,7.7,10.6,13.1,17,17.9,18.2,16.3,12.6,7.1,5.5
2006,4.6,4.9,4.9,10.1,13.9,18.3,22,17.4,17.5,13.3,8.6,6.1
2007,6.7,6.4,8,13.8,13.2,16.5,16.8,17.3,15.6,12.6,8.3,5.2
2008,5.8,7.2,6.6,9.3,15.7,15.9,18.3,17.1,14.2,10.6,7.2,4.1
2009,3.5,4.5,8.1,11.8,14.1,17.4,18.3,17.9,15.5,12.3,8.2,3.1
