1901,3.9,1.9,4.2,8.7,12,14.1,17.6,16.2,14.1,9.9,5.3,4.5
1902,5.1,2.3,7.3,8.1,8.8,13.2,15.1,15,13.4,10,7.2,4.6
1903,4.8,6.5,6.9,6.6,11.3,13.1,15.2,14.5,13.5,11.2,7,3.5
1904,4.3,4,4.6,8.7,11,13.5,17.1,15.5,12.8,10.5,6,5.8
1905,3.9,5.2,7,7.9,10.6,14.4,17.1,15,12.8,7.5,5.2,5.5
1906,5.8,3.6,5.3,7.7,10.4,13.9,15.6,16.6,14.2,11.5,7.6,3.5
1907,4,2.7,6.5,7.5,10.6,12.2,14.6,14.7,14.4,10.5,7.4,5.7
1908,2.8,5.5,4.6,6.7,12.3,14.8,15.9,15.3,13.3,12.3,7.6,5.1
1909,3.7,3.3,4.2,9.4,11.3,12.8,14.8,16.3,12.6,10.9,5,4.6
1910,4.5,5.6,6.3,7.2,11.3,14.2,14.5,15.4,13.2,11.3,5.2,6.9
1911,3.4,4.7,5.6,7.2,12.8,14.5,18.4,18.4,14.8,10.4,6.3,7.2
1912,4.9,6,7.6,9.4,11.9,13.7,16.3,12.9,11.4,9,6.5,7.1
1913,5.6,4.8,6.7,8,11.3,13.5,15.2,16,14.3,11.7,8.9,5.3
1914,2.8,6.5,6.6,10.1,11,14.2,15.6,16.2,13.8,10.4,6.7,5.8
1915,4.4,4.5,5.3,8.1,12.2,14.4,14.8,15.6,13.6,9.7,4,6.8
1916,7.7,4.3,4.2,8.4,11.7,11.7,15.4,16.6,13.6,11.2,6.9,3.6
1917,1.6,1.3,4.1,5.5,12.9,15,16.2,15.4,14,8.4,8.4,2.5
1918,4.1,6.4,6.1,7.3,12.7,13.3,15.9,16.2,12.8,9.4,6.1,7.5
1919,3.7,3.3,5,7.2,12.9,14.1,14.4,16.7,13.6,8.3,3.8,6.5
1920,5.5,6.4,7.1,8.6,12,14.3,14.6,14.2,13.7,11.6,6.9,4.7
1921,7.6,5,7,8.6,11.8,15.5,18.6,15.6,14.9,13.4,6.3,6.6
1922,4.8,5.2,5.7,6.5,12.6,14.3,14,13.9,12.6,8.6,6,6.1
1923,5.5,6.5,7.2,8.2,10.1,12.9,17.7,15.8,13.1,10.6,4.1,4.8
1924,5.4,3.2,5.2,7.4,11.5,13.9,15.1,14.1,13.4,11.1,7.3,6.7
1925,5.9,5.4,4.9,7.9,10.9,15.4,16.4,15.8,11.9,11.3,4.3,4.2
1926,5.2,7.4,6.6,9.2,10.6,13.2,17.3,16.8,15.4,9.7,7.1,4.1
1927,5.2,4.8,7.4,8.2,12.2,13.1,16.1,15.8,13,10.9,6.5,3.3
1928,5.8,6.7,6.5,8.8,11.4,13.4,16.7,15.9,13.7,11.1,8.3,5
1929,1.7,1.3,6.6,7.1,11.3,13.5,16.5,15.7,16.3,10.3,7.3,6.8
1930,6.1,2.9,6.1,8.7,11.1,15.5,15.4,16,14.4,11.3,7.4,5.3
1931,4.6,4.6,4.6,7.8,10.9,14,15,15,12.3,10.1,8.1,5.8
1932,6.7,3.5,5.2,7,10,14.2,15.7,17.1,14,9.7,7.1,5.7
1933,3.2,4.3,7.7,8.1,11.5,14.7,16.8,17.4,15.5,11.1,6.4,1.5
1934,4.8,3.5,5.6,8,11,15.5,18,15.3,14.5,11,6.6,8.6
1935,5.1,5.9,5.9,8.4,10.5,14.3,17.2,16.2,14.2,10.2,7.3,4.4
1936,5.6,3.9,7.3,6.7,11.7,14.6,15.1,16,14.8,10,6.5,5.9
1937,5.9,6.7,4.5,9.4,11.9,14.1,15.9,16.6,13.8,11.6,6.7,4.2
1938,6.1,5,8.3,8,10.2,13.6,14.7,16.2,14.1,11.2,9.3,4.7
1939,5.3,5.8,6.5,8.7,11.3,14.8,14.9,16.1,14.6,9.3,9.3,3.9
1940,0.8,3.8,6.1,8.8,12.2,16.1,15.1,15.8,13.3,10.3,7.4,4
1941,1.5,3.9,6,6.7,8.9,14.5,16.6,14.8,14.3,11,6.9,6.3
1942,2.1,0.5,5.7,9.3,10.5,13.9,15.5,16.2,14.2,11.1,5.9,7
1943,6.1,6,7,10,11.7,13.6,16.3,15.5,12.9,11.2,6.8,4
1944,6.6,3.7,5.1,9.5,10.7,13.8,15.6,17.1,12.6,9.7,6.9,4.8
1945,0.7,6.9,7.5,10.1,12.1,14.5,16.5,16,14.7,12.5,7.3,6.4
1946,4,6.6,5.7,9.5,11.4,12.6,15.6,14.6,13.8,11,8.2,3.7
1947,2.6,-1.1,4.9,8.5,12.2,14.7,16.4,19,15.7,11.5,8.2,5.3
1948,6.3,4.8,8.9,9.1,12.3,13.9,15.7,15.1,13.7,10.6,8,6
1949,5.7,5.7,5.8,9.8,10.8,14.8,17.7,17,16.8,12.5,7.1,6.5
1950,4.4,6.1,7.8,7.9,12.3,15.9,16.3,15.7,13.3,10.4,6.9,2.3
1951,4.8,4.4,4.7,7.3,9.6,13.5,16.1,14.9,14.2,10,8.8,6.4
1952,3.7,3.8,7.2,9.4,13,14.3,16.7,16.1,11.1,10,5.3,4.2
1953,3.3,4.1,6.1,7.7,12.5,13.7,15.3,16.2,14,10.4,8.2,8
1954,3.6,3.1,6.4,7.5,10.9,12.8,13.7,14.4,13,12.4,7.6,7.5
1955,3.8,2.1,3.2,9.3,9.7,13.6,17.2,18.1,14.3,9.8,7.2,7.2
1956,4.6,-0.1,6.3,6.6,11.5,12.7,15.4,13.5,14.1,9.9,6.3,6.6
1957,5.5,6.1,9.3,8.8,10.3,15,16.3,15.4,13,11.5,6.3,4.9
1958,4.4,5.9,4.1,7.3,11.2,13.2,15.4,15.4,14.9,11.1,6.8,5.3
1959,2.9,4.9,7.4,9.2,12.2,15,17.4,17.2,15.2,12.6,7.5,6.9
1960,4.7,4.4,6.9,8.9,12.6,16,14.9,14.9,13,10.5,8.1,4.5
1961,4.8,7.6,7.6,10.2,10.7,13.8,15.3,15.7,15.3,11.6,6.9,3.9
1962,5.2,4.9,3.1,7.9,9.5,13,14.9,14.8,12.6,10.9,6.1,3
1963,-1,0.1,5.9,8.6,10.2,14.3,14.7,14.8,13.4,11.5,9.1,2.7
1964,3.9,4.9,5.1,8.2,12.5,13.7,16.2,15.6,14.5,9.2,8,4.3
1965,4.3,3,5.8,8.1,11.1,13.4,14.5,15,12.2,11.6,5.9,5.9
1966,3.8,7.2,6.6,8.5,10.9,15,15.2,15,14.2,11,5.7,6.7
1967,4.6,5.9,7.4,8.3,10.7,14,16,15.4,14,11.7,5.8,5
1968,5.3,2.6,6.4,7.6,9.9,14.5,15,15.8,14.3,13.3,7.4,4.1
1969,6.5,2.1,5,7.9,11,14,16.3,16.3,14.3,12.7,6.4,4.1
1970,4.9,4.2,4.3,6.9,11.9,15.8,15.3,15.6,14.8,11.2,8.9,4.2
1971,5.4,4.6,5.2,7.9,11.2,12.8,17,16.1,14.1,12,6,6.8
1972,4.8,5.6,7.2,8.9,10.4,11.3,15.5,15.4,12,10.9,6.5,6.9
1973,4.8,4.6,5.6,7.3,11.2,14.4,15.5,17.1,14.9,9.6,7,5.9
1974,7.1,6.1,6.2,8.4,10.6,13.9,15.2,14.9,12.5,8.1,8,8.5
1975,7.5,5.4,5.3,7.9,10.3,14.8,17.1,17.8,13.4,10.3,6.9,4.7
1976,6.1,4.7,5.3,7.9,11.8,16.7,18.4,17.3,13.4,11.4,6.9,3
1977,3.8,6.5,7.6,7.3,10.8,12.2,16.1,15.3,13.1,12.5,7,7.2
1978,4.3,3.2,6.9,6.7,11.1,13.4,14.8,15,13.7,12,9,5.9
1979,1.1,2.1,5.4,8.1,9.3,13.4,16.3,14.7,12.9,11.9,7.2,6.6
1980,2.3,6.6,5.4,8.9,10.9,13.6,14.4,15.9,15,9.5,6.5,5.9
1981,5.1,3.2,8.4,8.3,11,13.1,15.8,16.4,14.5,8.9,7.6,2.4
1982,4,5.2,5.9,8.3,11.2,15.2,16.5,15.8,14.4,10.5,8.6,5.1
1983,6.9,2.4,6.2,6.9,10.3,14.6,19.2,17.5,14.1,10.6,7.6,6.2
1984,4.7,4.3,5,8,10.2,14.5,16.2,17.2,14.2,11.3,8.1,5.4
1985,0.5,3,4.7,8.4,11.3,13.1,16,14.8,14.3,11.1,4.2,7.1
1986,4.1,-0.5,5,5.7,10.4,14.8,16,14,11.1,11.3,7.8,6.2
1987,1.1,3.8,4.8,9.3,10.7,13.1,16.2,15.8,14.2,10.4,6.7,6.1
1988,6,4.7,7,8,12.1,14.5,14.8,15.2,13.7,11.4,5.8,7.5
1989,6.1,6.1,7.9,6.5,13.4,14.6,18.3,16.6,14.8,12.2,7.2,5.8
1990,7.1,8.1,7.8,8,12.6,13.3,16.5,17.8,13.3,12.2,7.3,4.5
1991,4.2,1.8,7.9,7.8,11.2,12.2,16.3,16.8,15.1,10.4,7.3,5.5
1992,3.8,5.2,7.6,8.4,13.2,15.1,16.3,15.9,13.9,8.2,8.4,4.4
1993,7,5.2,6.2,9.6,11.9,14.8,15.5,14.8,12.6,9,5.2,6.3
1994,5.9,4.5,8,8,10.8,14,17.6,16.6,13.4,10.8,10.9,7.2
1995,5.9,7.7,5.8,8.9,11.5,14.8,18.4,19.2,13.8,13.5,8.2,3.6
1996,5.7,3.1,5.1,8.2,9.1,13.7,16.3,16,13.5,12.2,6.4,3.6
1997,2.3,7.2,8.2,8.4,11.7,14.4,16.4,18.6,14.1,11.4,9.1,6.4
1998,5.8,6.6,8.2,7.9,13.8,14.5,15.5,16,15.2,11.4,6.8,6.4
1999,6.2,5.7,7,9.2,13,13.6,17.6,16.5,15.7,11,7.9,5.7
2000,4.8,6.9,7.4,7.8,12.4,14.3,15.7,16.8,15.2,11,7.6,6.9
2001,4.5,5.3,6.7,8.2,12.1,14.1,16.7,16.5,14.1,14,7.4,4
2002,6.8,7.8,7.7,9.6,11.8,13.8,15.7,16.5,14.3,11.2,9.8,7
2003,4.7,4.9,7.8,9.5,11.5,15.3,17,18.3,14.1,9.9,8.8,5.9
2004,6.1,5.4,6.4,8.9,11.8,15.6,16,17.3,15.6,11.1,8.2,5.6
2005,6.5,4.5,7.4,9.2,11.2,15.4,16.9,16,15.3,13.7,6.3,4.6
2006,4.8,3.8,5.6,8.9,12,15.5,19,17.1,16.7,13.8,8.8,7.3
2007,7.4,7,7.7,11.8,12.7,15.5,15.4,15.5,14.1,11.2,7.6,5.8
2008,7.1,5.6,7,8.3,13.8,14.3,16.2,16.2,13.6,10.1,7.9,4.1
2009,3.8,4.6,6.9,9.4,12.3,15.3,16.3,16.4,14.4,12.3,9.7,4.2
