1901,2.8,1.2,2.7,6.7,10.3,11.5,15.5,13.9,12.2,8.1,4.4,2.7
1902,3.7,0.6,5.5,5.9,7.1,11.1,12.5,12.8,11.5,8.3,6.1,3.6
1903,3.3,5.2,5,5,9.5,11,12.9,12.4,11.4,8.9,5.6,2.3
1904,3.6,2.2,2.8,6.8,8.9,11.3,14.2,13.2,11.2,8.5,5,3.9
1905,3.2,3.9,5.3,5.9,9,12.3,14.7,12.8,10.9,5.8,3.9,4.8
1906,4.5,2.1,3.7,5.9,8.3,12.1,13,14.6,12.4,9.2,6.2,2.3
1907,3,1.4,5,5.8,8.5,9.9,12.7,12.3,12.3,8.3,5.7,4.1
1908,2.2,4.3,3.2,4.9,10.4,12.4,13.6,13.4,11.4,10.9,6.8,4.1
1909,2.8,2.4,2.6,7.6,9.5,10.9,12.8,14.2,10.8,8.7,3.8,2.9
1910,3,3.9,4.8,5.4,9.8,12.2,12.4,13.4,11.3,9.2,3.2,5.4
1911,2.9,3.3,3.7,5.5,11.3,12.5,15.8,15.8,12.2,8.2,4.8,5.4
1912,3.3,4,5.6,7.9,9.9,11.5,14,10.9,9.8,7.2,5.3,5.6
1913,3.6,3.5,4.5,6.1,9.5,11.4,13.3,14.1,12.5,9.8,7.2,4.1
1914,2.4,5,4.5,8.2,9.2,12.4,13.7,14.1,12,8.9,5.7,3.8
1915,2.9,2.8,3.8,6.5,9.9,12.1,12.5,13.7,11.7,8.2,2.3,4.3
1916,6.3,2.7,2.2,6.6,9.6,9.8,13.4,14.7,11.8,9.2,5.8,2
1917,0.7,0.5,2.5,3.9,10.6,12.2,14,13.7,12,6.4,7.2,1.7
1918,2.7,5.3,4.4,5.7,10.7,11.2,13.7,14.2,10.4,7.9,4.6,5.6
1919,2.4,1.8,2.7,5.9,11.2,11.8,12.7,14.4,11.4,6.9,2.2,4.7
1920,3.9,4.8,5.1,6.7,10,12.3,12.3,12.3,11.7,9.9,6.6,3.1
1921,6,3.7,5.4,7,9.7,13.3,15.9,13.3,12.8,11.3,5.4,5.4
1922,2.9,3.5,3.9,4.6,10.2,11.8,11.6,11.7,10.8,7.2,5,4.7
1923,4.5,4.6,5.5,6.2,8,11.1,15.2,13.3,10.8,8.3,2.6,3.1
1924,3.9,2.3,3.2,5.4,9.2,11.8,12.8,12.3,11.5,9.1,5.9,6
1925,4.7,3.5,3.8,6,9.1,13.5,14.5,14,10.1,9.3,2.6,2.2
1926,4,5.2,4.8,7.5,8.8,11.5,15.3,14.8,13.1,7.3,5,3.2
1927,3.8,3.3,5.5,6,10,10.7,14.3,14,10.9,9.1,5.2,1.7
1928,4.1,4.8,4.6,6.9,9.9,10.8,13.7,13.5,11.5,9.1,6.6,3.3
1929,0.7,0.5,4.9,5.4,9.3,11.2,13.8,13.3,13.7,8.1,5.8,4.8
1930,4.1,1.2,4,6.9,9.5,13,13.3,13.9,12.4,9.2,5.2,3.9
1931,2.7,3,2.9,6.1,9.2,11.5,13.1,13.1,10.3,8,7,4.7
1932,5.5,2.4,3.7,5,8.4,12.3,13.5,14.7,11.5,7.4,5.8,4.8
1933,1.9,2.8,5.9,6.7,10.3,13.1,15,15.4,13.7,9.1,5.1,1.2
1934,3.8,2.8,3.5,5.8,9.4,13.3,16,13.2,12.3,8.8,5.1,7.1
1935,3.8,4.1,4.8,6.6,8.9,12.2,14.7,14.2,11.9,8.1,5.5,2.4
1936,3.3,2.1,5.5,5,10.1,12.5,13.1,14.1,13.1,8.2,5,4.6
1937,4.6,4.4,2.2,7.9,10.3,11.9,13.8,14.7,11.7,9.5,5.3,2.3
1938,4.7,3.7,6.9,6.4,8.6,11.4,12.4,14.1,12,9.3,7.8,3.8
1939,3.3,4.4,5,6.9,10,12.7,12.8,14.3,12.5,7.5,7.7,2.7
1940,-0.4,2.7,4.3,6.8,10.7,14.1,12.8,13.9,11,8.6,6,3.1
1941,0.1,2,3.9,4.9,7.5,12.3,14,12.9,12.8,9.2,5.8,4.7
1942,1.4,-0.6,4.1,7.5,8.8,11.6,13.2,14.1,11.9,8.7,4.3,5.8
1943,4.5,4.8,5.3,8.1,9.6,11.6,14,13.3,10.8,9.2,5.6,3.1
1944,5.1,2.5,3.9,8,9,11.8,13.7,14.8,10.5,7.7,5.1,3.4
1945,-0.1,5.1,5.6,7.9,9.8,11.8,13.9,14.1,12.6,10.5,6.6,4.8
1946,2.7,4.7,4.1,7.5,9.6,10.4,13.3,12.5,11.9,8.9,7,2.7
1947,1.8,-2.1,2.6,6.3,10.4,12.5,14.1,16.8,12.9,9.7,6.4,4.4
1948,4.1,3.4,7,7.2,10.2,11.8,13.7,12.9,11.7,8.8,6.9,4.6
1949,4.4,4.3,4.2,7.5,9.1,12.8,14.8,14.7,14.5,10.5,5.9,5.1
1950,3.4,3.7,6.1,5.9,10.3,13.3,13.6,13.5,11.3,8.4,4.9,0.8
1951,2.9,2.5,2.9,5.1,8.3,11.6,13.7,13.1,12.3,8.6,7,4.8
1952,2.2,2.6,5,7.4,10.9,11.7,14.4,13.9,9.6,7.9,3.7,2.7
1953,2.7,2.9,3.9,5.7,10.7,12,13.5,13.9,12.3,8.6,7.5,6.3
1954,2.4,1.8,4.6,5.9,9.4,10.8,11.9,12.5,11.1,10.1,6.1,5.5
1955,1.9,0.3,1.9,7,8.2,11.6,15.2,15.8,12.4,8,5.7,5.3
1956,3,-1.2,4.9,5.3,9.5,11,13.4,11.8,12.4,8.2,5.4,5.1
1957,4.2,3.9,7.6,7.3,8.9,13,14.2,13.8,11.1,9.5,5.1,3.8
1958,2.9,4,2.5,5.6,8.9,11.4,13.2,13.5,13,9.5,5.8,3.7
1959,1.5,3.6,5.6,7.4,10.8,12.9,15,15,13.2,11.1,6.2,5.1
1960,4,2.6,5.2,7.2,10.8,13.7,13.2,13.2,11.4,8.7,6.4,2.9
1961,2.9,5.5,6.2,8.1,9.3,11.7,12.9,13.4,13.2,9.5,5.2,1.7
1962,3.4,3.3,1.5,6,8.2,11.3,12.9,12.4,10.9,8.8,4.7,1.9
1963,-1.9,-1.3,4.3,6.4,8.5,12.7,12.8,12.6,11,9.5,7,1.7
1964,2.7,3.2,3.4,6.6,11,11.5,13.5,13.3,12.4,7.6,6.5,3.1
1965,2.5,1.9,4,6.4,9.4,11.9,12.4,13.1,10.4,9.6,3.7,4.1
1966,2,4.6,5.2,5.8,9.2,12.9,12.9,13,12.1,8.8,4.4,4.9
1967,3.5,4.1,5.3,6.4,8.5,11.9,14.1,13.5,11.7,9.3,4.6,3.8
1968,3.7,1,4.6,6,7.8,12.7,13.2,13.9,12.2,10.9,5.5,2.6
1969,4.3,0.2,2.5,6,9.1,12,13.9,13.8,12.2,11.5,4.6,2.8
1970,3.2,2.3,2.8,5,10.4,14,12.9,13.9,12.6,9.2,7,3.3
1971,3.7,3.6,3.8,6.5,9.8,10.8,14.8,13.8,12.9,10.2,5.7,5.6
1972,3.1,3.7,5.3,6.8,8.6,9.7,13.6,13.1,10.3,9.4,5.4,5.4
1973,3.8,3.6,4.8,5.8,9.8,12.4,13.4,14.8,12.6,8.1,5.7,4.4
1974,5.3,4.6,4.3,7,9,11.9,12.8,13,10.3,6.5,5.6,6.5
1975,5.6,3.7,3.6,6.4,8.5,12.8,15.2,15.9,11.6,8.8,5.5,4.7
1976,4.8,3.2,3.6,6.5,9.5,13.8,15.8,16.1,11.6,9.1,5.7,1.6
1977,2.1,4.4,5.7,5.7,9.1,10.6,14.1,13.8,11.3,10.6,5.2,5
1978,2.9,1.6,5.1,5.1,9.9,11.3,12.5,12.9,12,10.5,7.5,3.7
1979,0.2,0.4,3.3,5.9,7.4,11.5,13.6,12.7,11.5,9.9,5.9,4.9
1980,1.7,4.8,3.6,7.2,9.8,11.5,12.7,13.7,12.9,7.7,5.3,4.7
1981,3.6,2.1,6.2,6.7,9.4,11.2,13.2,14.4,12.9,7,6.4,0.6
1982,1.9,3.9,4.6,6.9,9.8,13.5,14.6,13.8,12.6,9.1,6.7,3.7
1983,5.1,0.8,4.8,5.1,8.5,12.1,16.9,15.5,11.9,9,6.2,5
1984,2.8,2.6,3.3,6.8,8.5,12.3,14.9,15.7,12,9.7,6.2,4.6
1985,0,1.4,3.45,6.5,9.25,10.85,13.85,12.65,12.65,9.1,3.3,5.15
1986,2.9,-1.9,3.4,4.1,8.8,12.7,13.3,11.6,9.3,9.2,6.5,5.1
1987,0.1,2.3,3.2,8.1,8.6,10.8,13.8,13.6,11.8,8.1,5.4,4.1
1988,4.4,3.5,5,6.8,10.1,13,12.8,13.2,11.4,9.1,4.5,6.4
1989,5.3,4.8,5.7,5,11.5,12.6,15.8,14.6,12.6,10.1,5.6,3.3
1990,5.5,5.8,6.4,6.4,11.3,11.9,15.2,15.8,11.2,10.4,5.3,3.1
1991,2.4,0.9,5.9,6.5,9.3,10.3,14.8,14.7,13.1,8.6,5.9,4.1
1992,2.6,4.5,5.9,6.9,11.5,13.6,14.2,13.3,11.5,6.6,6.5,3
1993,5,3.9,5.1,7.7,9.7,12.4,13.1,12.6,10.7,6.7,4,4.6
1994,4.1,2.6,5.8,6.3,9.2,11.7,14.7,13.7,11.1,9,9,5.9
1995,4.2,5.3,4.3,7.1,9.8,12.6,16.1,17.2,11.9,11.6,6.9,1.6
1996,3.3,1.8,3.5,6.5,7.6,11.9,14.1,14.4,12.2,10.3,5.3,2.1
1997,1.4,5.2,6.3,7.5,10,12.1,14.2,16.1,12.5,9.1,7.5,5
1998,4.2,5.6,6.3,6.1,11.1,12.1,13.3,14,12.9,9,5.4,4.7
1999,4.4,4.1,5.3,7.6,11,11.7,15.2,14.5,13.5,9.3,6.5,4.1
2000,3.8,4.8,5.7,6.1,10.5,12.3,13.8,14.7,12.9,8.7,5.8,4.5
2001,2.7,3.2,4.3,6.1,10.6,12,14.1,13.9,11.9,11.6,6.7,2.9
2002,5,5.6,5.7,7.2,10,11.8,13.2,14,12.4,8.8,7.7,4.4
2003,3.4,3.2,5.7,7.9,9.8,13.2,15,15.7,12.3,7.7,7.2,4.3
2004,4.4,3.5,4.8,7.3,10,13,13.6,15.3,13.2,9,6.9,4.7
2005,5.2,3.1,5.8,7.2,9.5,13.2,14.6,14.2,13.2,11.1,5.4,4
2006,3.3,2.9,3.8,6.9,10,13.5,16.5,14.5,14.3,11.4,7.4,5.6
2007,5.7,4.9,5.6,9.3,10.5,13.5,13.4,13.7,12.1,9.6,6.8,4.3
2008,5.4,4.3,5,6.4,11.4,12,14.3,14.2,11.8,8.5,6.2,2.8
2009,2.5,3,5.1,7.6,10.2,13.4,14.2,14.3,12.1,10.3,7.5,2.7
