1901,3.2,1.8,3.5,7.3,9.7,12.3,16,14.8,13,8.7,5.3,2.8
1902,3.6,1.2,5.6,6.7,6.9,10.6,12.7,12.4,11.8,8.1,6.7,3.7
1903,3.1,5.9,5.7,4.6,8.7,11.4,13.5,13,11.9,8.9,5.5,2.7
1904,3.7,2.6,3.6,7.5,8.8,11.3,14.3,14,11.7,8.8,5.1,4.2
1905,3.7,4.1,5.8,5.6,9.3,12.4,15.3,13.5,11.5,6.7,4.7,5.3
1906,4.4,2.9,4.2,6.6,8.3,12.5,13.7,14.6,13.1,9.6,7.3,3
1907,3.6,2.6,6.1,6.6,8.2,10.8,12.7,12.7,12.4,8.9,5.9,4.1
1908,2.7,4.9,3.6,5,10.1,12.4,14.2,13.4,12.2,11.4,6.4,3.5
1909,3.7,3.3,2.3,7.4,9.2,10.7,13.1,13.9,10.9,9.1,4.4,2.8
1910,3,4.1,5.8,6,8.8,12.4,12.9,14,12,9.7,2.7,5.5
1911,4.3,4.3,4.1,6.4,10.6,12.7,15.4,15.8,12.6,7.9,5.1,5.3
1912,2.8,4.1,6.4,8,9.7,11.8,14.2,11.8,10.3,8.1,5.7,5.6
1913,3,4.5,5,6.8,9.3,12.2,13.3,14.2,12.4,9.8,7.4,4.8
1914,3.3,6,4.9,9.1,9.3,12.6,14.6,14.8,12.6,9.6,6.2,4.1
1915,3.6,3.5,4.6,6.8,8.1,12.2,13.6,13.9,12.3,8,2.8,3.8
1916,6.7,3.2,2.5,7,9.2,10.3,13.6,14.3,12,8.8,6.7,3.3
1917,1.8,1.7,2.5,4.2,9.3,12.9,14.7,14.2,12.9,6.7,7.4,2.8
1918,2.7,5.8,5,5.6,10.8,11.9,14.1,14.4,10.3,8.8,5,5.7
1919,3,1.6,2.5,6.4,10.7,12.3,12.8,14,12.1,7.8,2.4,4
1920,4,5.6,6.2,6.4,9.8,12.4,13.1,12.8,12.2,8.9,6.7,3.7
1921,6,4.9,6.2,7.2,10.1,12.8,15.5,13.3,12.8,11.6,4.3,5.7
1922,2.4,3.3,4.2,4.8,10,11.8,12.5,12.4,11.1,7.5,6.1,5.2
1923,5.7,3.8,5.7,5.7,7.3,10.9,15.2,13.4,11.4,8.8,3.3,3
1924,3.5,3.3,3.3,5.8,8.7,12,13.9,13.1,11.8,8.8,6.3,6.6
1925,4.9,4,4.6,6,9.6,13,15.3,14.3,10.7,9.3,3.6,2.3
1926,4.3,5.3,5.5,8,8.2,12,15.3,14.9,13.1,6.8,5.2,4.7
1927,4.3,4.4,6.4,6.5,8.3,10.3,14.6,14.6,11.4,9.5,5.3,1.2
1928,4.5,4.8,4.5,7,8.5,10.4,13.9,14,12,9,7.1,3.6
1929,1.8,0.2,5.8,5.1,9.4,11.5,14.5,13.7,13.5,8.6,5.9,4.9
1930,4.3,2,4.7,6.8,8.8,13.4,14.1,14.4,12.5,9.2,5.3,3.5
1931,2.5,2.8,2.5,6.1,9.4,11.4,14,12.8,10.4,8,7.1,5.2
1932,5.4,3.6,4,5.2,8.7,12.1,14.4,14.9,11.5,7.2,5.4,5.2
1933,1.6,3.2,6,7.4,9.9,13.4,16.2,15.5,13.4,9,5,2.3
1934,4,4.9,3.8,6.1,9.3,12.6,15.9,14,13,9,5.2,7
1935,4.1,4.2,5.9,6.1,8.2,12.4,14.7,14.8,11.7,7.9,5.6,2
1936,2.6,2,5.3,5.1,9.4,12.8,14.2,14.6,13.2,8.3,4.7,4.3
1937,4.2,3.6,2,7.4,10.2,12.3,14.3,14.7,11.9,9.3,5.1,2
1938,4.7,4.3,8,6.6,8.5,12,13.3,14.3,12.7,9.2,7.5,3.4
1939,2.8,4.8,5,6.9,9.7,12.8,13.9,15,12.8,7.3,6.7,3.1
1940,-1.2,1.7,4.3,6.4,10.5,13.8,13.3,13.7,11,8.6,6,3.4
1941,-0.5,1.8,3.3,5.1,7.7,12.4,14.8,13.2,13.4,8.9,5.6,5
1942,0.4,-0.4,3.2,7.1,9,11.7,13.7,14.7,12.1,9,5,5.5
1943,3.5,5.7,6,8.6,9.4,12.2,13.9,13.5,11.7,9.6,5.3,3.6
1944,4.9,3,4.4,8.2,9,11.5,14.3,14.9,10.9,8,4.8,3.6
1945,-0.1,5.9,6.9,7.7,9.6,12.3,15,14.2,12.9,10.5,6.9,4.5
1946,2,4.4,4.3,8.1,9.1,11.1,14.2,13,12.5,8.5,6.8,2.6
1947,1.9,-1.5,1.3,6.5,10.4,13,15.1,17,12.9,9.8,5.7,4.7
1948,3.3,4,6.9,7.4,9.2,11.9,14.2,13.1,12.3,8.7,6.4,4.6
1949,4.5,4.9,4.4,8.2,9.1,12.5,14.6,14.9,14.6,10.4,5.9,4.8
1950,3.6,3.4,6.2,5.5,9.6,13.5,14.2,14.1,11.4,8.6,4.5,0.8
1951,2.4,2.7,3,5,7.7,11.3,14.6,13.5,12.5,9.2,7.4,4.5
1952,1.2,3,5.4,7.9,11,12,14.6,14.5,9.8,7.8,3.4,2.5
1953,3.8,4.3,5.4,5.7,10.6,12.2,13.8,14.3,12.9,9.1,7.3,5.9
1954,2.7,1.5,4.3,6.4,9.6,11.5,12.7,13,10.8,10.1,5.8,5.4
1955,1.5,-0.4,2.5,8.1,7.7,11.4,15.5,15.9,13.1,8.3,7,4
1956,2,0.1,5,5.1,10.4,11.1,13.8,11.7,12.7,8.7,6,5.3
1957,4.6,3.6,7.6,7.2,8.9,12.7,14.2,13.6,11,9.5,6,4.1
1958,2,3,1.9,6.2,8.8,11.6,14.2,14.2,13.7,9.8,5.6,3.6
1959,0.6,4,6.1,7.9,10.4,13.1,15.3,15.9,13.3,11.4,6.3,5
1960,3.1,2.6,4.9,7.9,10.9,14,13.5,13.4,11.9,9.5,6,3
1961,2.4,5.7,7.7,8,8.9,12.6,13.1,13.5,13.4,9.6,5.1,1.4
1962,3.4,4.1,1.8,6.1,8.5,12,12.4,12.8,11.5,9.6,4.6,1.9
1963,-1.2,-1.1,4.8,6.9,8.5,12.6,13.2,12.6,11.7,9.6,6.5,2.9
1964,3.4,4.1,3.4,7.7,11.1,11.9,14.2,13.8,12.3,8.1,6.2,2.5
1965,2.3,3.6,3.9,6.7,9.3,12.4,11.5,13,11.6,9.9,3.6,2.8
1966,2.3,3.5,5.7,5.1,9.2,13.5,13.1,12.9,13,8.8,4.7,3.8
1967,3.7,4.8,6.2,6.7,8.2,12.2,14.8,14.2,12.4,9.2,5,3.8
1968,3.2,1.2,5.6,6.6,7.6,12.7,12.8,13.6,12.3,10.8,5.8,3.2
1969,4.7,-0.1,2.2,5.8,8.9,12.1,15.2,14.8,12.4,11.7,3.6,2.9
1970,2.8,1.7,3,5.2,10.5,13.5,13.2,14.5,12.8,9.3,6.2,3.9
1971,3.9,4.5,4.5,6.4,9.5,10.2,14.5,13.8,13.1,10.3,5.3,6.4
1972,3.3,3.6,5.3,7.3,9.1,10.6,13.6,13.3,10.4,9.7,5.2,4.7
1973,3.9,3.7,5.9,5.6,9.2,13.4,14.1,14.4,12.5,8.3,4.7,3.9
1974,5,4.9,4.5,6.3,9.4,11.6,13.3,13.8,10.7,7,5.7,6.6
1975,5.2,3.8,3.9,7,8,12.4,15.3,17,11.8,9.3,5.5,5.2
1976,4.6,4.5,4,7.2,9.9,14.5,16.2,15.4,12,9.5,5,1.3
1977,2,3.2,5.6,6,8.5,10.8,14.1,13.7,11.8,10.7,5.2,5.4
1978,2.2,1,5.7,5.1,9.7,12,12.8,13.6,12.6,10.8,7.4,3.4
1979,-0.4,0.8,3.3,6.3,8.2,12.5,14.1,13.3,12.1,10.1,5.6,4.5
1980,2,4.4,3.5,7.5,8.9,12.2,12.9,14.2,13.2,7.8,5.9,4.9
1981,3.4,2.8,6,6.3,9.95,11.7,14.05,14.8,13.25,6.6,6.55,0
1982,1.3,4.3,5.3,7.5,9.6,12.7,14.9,14.5,12.5,9.1,6.4,3.3
1983,5.4,1.4,5.9,5.3,8.3,11.8,16.7,15.8,12.1,9.2,6.6,5.3
1984,1.6,3,3.9,6.8,8.4,12.7,15.2,15.5,11.8,9.5,7.1,4.9
1985,0.9,2.4,3.8,6.9,9,10.7,14.3,13.3,12.6,9.9,2.9,4.9
1986,2.4,-0.9,4.2,4.7,9.8,12.5,14.2,12,10.8,9.5,6.7,4.6
1987,0.9,3,3.3,8.6,8.4,10.6,14.2,14,12,8.1,5.6,5.1
1988,3.9,4.1,4.8,6.8,9.8,12.8,13.7,14.1,12.1,9.3,5.2,6.8
1989,6.2,5,6,5.3,10.7,12.5,15.9,14.8,12.8,10.3,6,3.7
1990,5.4,6,7.6,7.1,10.5,11.9,14.7,16.2,11.8,10.3,6,4.1
1991,2.5,2,6.6,6.7,9.6,10.4,15.9,15.8,12.8,9.2,5.9,4.2
1992,3.5,5.1,6.2,7.3,11.3,13.9,14.4,13.6,12,6.6,6.2,3.1
1993,4.6,5.2,5.7,7.7,9.2,12.5,13.5,13,11.1,7.5,4.2,3.6
1994,4,2.3,6,6.8,8.5,13,16,14.3,11.7,8.8,8.8,5.4
1995,3.4,5.2,4.3,7.3,9.7,12.2,16.3,16.7,12.5,11.8,7.2,1.8
1996,4.1,2.7,3.5,7.2,7.6,12.7,14.6,15.3,12.7,10.4,4.8,2.8
1997,2.7,5.8,7.5,7.9,9.4,11.8,15.1,17,12.6,9.3,7.9,5.4
1998,4.5,7.3,6.9,6.5,10.8,12.1,13.9,14.4,13.3,8.9,5.1,4.8
1999,4.6,4.3,6.5,8.3,10.8,12,15.5,14.4,14.4,9.9,7.1,3.5
2000,4.7,5.2,6.7,6.5,10,12.2,13.4,15,13.3,9.3,6.1,4.8
2001,3,3.4,3.7,6.4,10.8,12,15.2,15.2,12.1,12.4,7,3.6
2002,5,5.6,6.3,7.9,10.5,12.9,14.3,15.7,13.2,8.5,7.5,5.3
2003,4.2,3.6,6.7,8.6,10.6,14.4,16.1,16.4,13.3,8.5,7.6,4.4
2004,4.5,4.8,5.8,8.6,10.9,13.7,14.2,16,13.5,9.7,7.3,5.4
2005,5.7,4.2,6.4,7.6,9.5,13.5,14.9,14.7,13.8,11.4,5.7,4.8
2006,4.3,4,3.6,7.2,9.9,14,17.3,14.9,15.2,11.8,7.6,5.3
2007,6.1,5.4,6.6,9.8,9.9,12.7,14.2,14.4,12.8,10.5,7.1,4.4
2008,5.3,5.5,5,6.7,11.2,12.6,15.2,15.3,12.7,8.9,6.3,3.8
2009,3.3,4,6.5,8.6,10.4,12.9,15.2,15.6,13.4,10.4,7.4,2.5
