1901,3.7,1,4.5,9.8,13.2,16,18.6,17.7,15.4,10.5,5,4.5
1902,5.1,2.7,7.8,9.6,9.7,14.3,16.8,16.4,14.6,10.3,7.1,3.8
1903,4.7,6.6,7.7,7,12.6,14.1,16.5,16,15.2,12.4,7.5,2.8
1904,3.5,4.6,5.2,9.8,12.8,14.9,19.2,17.3,13.6,11.1,5.8,5.9
1905,2.9,5,7.7,8.7,11.6,15.7,18.6,16.4,14.1,7.8,5.6,4.6
1906,5.7,3.8,5.7,8.5,12,15,17.2,18,15.2,12.9,8.3,2.9
1907,3.5,2.5,6.8,8.2,12.2,13.7,15.3,16.5,16,11.6,8.1,5.8
1908,1.6,5.4,4.7,7.6,13.8,16.3,17,16.2,14.5,12.3,6.9,4
1909,2.9,2.6,4.7,10.5,12.4,13.5,15.2,17.4,13.7,12,5,4.8
1910,4.7,5.8,6.6,8,11.9,15.2,15.3,16.5,14.4,12.2,6.1,7
1911,2.2,4.7,6.4,7.9,13.8,15.6,19.9,20.4,17,11.4,6.9,7.5
1912,5.3,6.9,8.5,9.7,13.4,14.8,17.4,14.2,12.1,9.7,6.6,6.8
1913,6.3,4.7,7.8,9,12.6,14.6,15.7,16.9,15.4,12.3,9.9,4.6
1914,1.4,6.7,7.6,11.2,12,14.7,16.5,17.7,15,10.7,6.7,6.5
1915,4.6,4.8,5.5,8.6,13.9,16.1,15.9,16.6,14.7,9.7,4.5,7.9
1916,7.8,4.7,5.2,9.2,13.3,12.5,16.1,17.6,14.5,11.8,7.2,4.1
1917,1.3,0.4,4.4,5.9,14.9,16.9,17.2,16.1,15.5,9.3,8.6,1.4
1918,3.9,6,6.5,7.9,14.1,14.3,17,17.5,14.5,9.7,6.5,7.9
1919,3.7,3.3,6,7.4,14.2,15.5,14.7,18.3,15.4,8.2,4.6,6.8
1920,5.8,6.7,8.2,9.5,13.5,15.3,15.9,15.2,14.8,11.8,5.9,4.5
1921,7.8,4.8,7.5,9.2,13.3,16.6,20.2,17.3,16.5,14.4,5.2,5.9
1922,5.1,5.4,6.4,7.5,14.5,15.7,15.3,15.5,13.6,8.6,6,5.8
1923,5.2,6.9,7.8,9.2,11.6,13.5,19.1,17.6,14.9,11.8,4.8,4.7
1924,5.3,2.8,6.1,8.5,13.6,15,16.5,15,14.8,12,7.6,5.4
1925,5.6,5.9,4.6,8.9,12.4,16.1,17.2,16.9,13,12,4.9,4.6
1926,5,8.6,7.2,9.9,11.6,13.7,17.9,17.9,16.9,11.1,8.3,3.2
1927,5.3,4.9,8.2,9.5,13.5,14.4,16.8,16.9,14.6,11.5,6.8,2.9
1928,6.1,7.2,7.3,9.6,11.9,15,18.7,17.7,15.3,11.8,9.1,5.1
1929,1.1,0.2,7.1,7.5,12.9,15,18.3,17.4,18.4,11.4,7.9,7.3
1930,6.9,3.3,7.1,9.8,12,17,16.4,17.4,15.6,12.3,8.8,5.1
1931,4.8,4.5,5.7,8.6,13,16.2,16.4,16.1,12.8,10.4,8.9,4.8
1932,6.2,2.3,5.7,8,11.6,15.6,16.7,19.8,16.5,11,7.8,6
1933,2.8,4.7,8.5,9.7,13.1,15.4,18.8,19.4,16.8,12.1,6.1,-0.2
1934,4.5,3.2,6.1,10.3,13.2,17,19.7,16.8,17,12.5,6.7,9
1935,4.4,6,6.4,9.2,11.7,16.7,18.7,17.7,15.9,10.8,7.8,4.7
1936,6.8,4.4,8.2,7.6,13.6,16,16,17.4,16,10.1,7.4,5.2
1937,6.4,7.6,5.5,10.3,14,15.6,17.4,18.5,15.4,12.2,6.6,4.1
1938,6.1,4.7,9.4,8,11.5,16.2,16.3,17.8,15.7,11.5,10.5,3.9
1939,6.4,5.4,6.5,10.2,12.1,16.3,16,17.3,15.4,10.3,10.2,3.6
1940,-0.4,5,7.3,9.7,13.7,17.4,16.1,16.9,15.3,10.9,8.4,2.8
1941,1.3,4.6,7.5,7.8,10.2,16.4,18.3,16,16,11.8,7.5,5.4
1942,0.9,-0.5,7.8,11.1,12.6,15.6,16.7,18,15.9,12.8,6.1,6.3
1943,6.5,5.6,7.9,11.7,13.7,15.2,18.5,17.6,14.8,12.3,6.9,3.8
1944,6.3,2.9,5.2,10.9,12.7,14.9,17.4,19.8,14.4,10.6,7.9,4.5
1945,-0.3,7.7,8.5,11.7,14.3,16.7,18.6,17.7,16.5,13,7.2,6
1946,2.5,7.2,6.6,10.9,12.7,14.2,17.9,16.3,15.9,11.4,8.3,2.7
1947,2,0.4,7.1,10.9,14.5,16.8,19.2,20.8,17.9,12.2,9,4.3
1948,7.2,4.9,9.8,10.2,13.8,15.1,16.7,16.7,15.2,11.2,7.6,5.6
1949,5.6,5.7,6.2,11.6,12,15.9,19.8,18.7,18.7,13.5,7.2,6
1950,3.7,7.3,8.2,8.8,13.8,17.8,18.3,17.4,14.7,11.2,8.1,1.9
1951,5.4,4.7,5.4,8.2,10.8,14.6,17,15.8,15.7,10.5,9.6,5.7
1952,3.8,3.4,7.9,10.6,14.3,15.9,18.1,17.4,12,10.7,5.5,4.1
1953,2,3.8,7.6,9.3,14.1,14.4,16.2,17.6,15.6,11.9,7.4,8
1954,2.9,2.5,7.5,8.3,12.1,14.1,14.8,15.9,14.6,13.3,8.5,7.6
1955,4.4,3.3,3.8,10.1,11.3,15.1,18.2,19,15.4,10.4,7.5,7.3
1956,4.9,0,7.15,7.5,13.3,13.1,16.4,14.6,16.1,10.9,6.35,6.9
1957,4.6,7.2,10.2,9.3,11,16.3,17.3,16.4,14.5,12,7.2,4.5
1958,4.9,6.5,4.7,7.8,12.9,14.1,16.4,16.8,16.6,11.7,7.1,5.9
1959,3.5,4.7,8.3,9.9,13.6,16.1,19.1,18.4,17.3,13,7.9,7
1960,4.8,4.9,8.1,9.5,14.1,16.7,15.5,16.2,14.1,11.4,9.1,4.4
1961,4.6,8,8.4,11.3,12.1,15.3,16.6,17,17.6,12.1,7.2,4.5
1962,5.4,4.7,3.5,8.4,10.7,14.4,15.9,16.3,14.3,11.7,6.6,2.1
1963,-1.4,-0.4,6.8,9,11.1,14.8,16.3,15,14.5,11.4,9.7,2.1
1964,2.3,5.4,5.4,8.7,13.9,15,17.5,17.2,16,9.4,7.7,4
1965,4.4,2.5,6.7,8.6,12.1,14.7,14.9,15.8,13.1,11.9,6.3,6.5
1966,3.3,8.1,6.7,9.8,11.9,16.1,15.6,16,15.8,12.3,6.3,6.8
1967,4.8,6.2,7.5,8.4,11.8,14.5,18,16.7,14.9,12.6,7,4.6
1968,4.9,3.7,7,9.1,10.9,15.1,16.3,16.6,15,13.5,6.9,3.1
1969,6.1,2.9,6.4,9.1,12.5,14.7,17.9,17.2,15.9,13.4,7.5,2.8
1970,5,4.6,4.6,7.5,12.9,16.7,16,17,16,11.7,9,3.7
1971,4.5,5,4.7,9.6,13.1,13.6,18.1,17,15.5,12.3,6.9,5.6
1972,3.8,5.4,8.2,9,11.3,12.7,16.4,16.1,13.5,11.3,7.4,5.5
1973,4.2,4.2,6.5,7.7,12.5,15.9,16.5,18.6,16.2,10.9,7.5,5.2
1974,6.8,6,6.8,9.4,11.7,14.9,16.1,17.1,13.7,8.7,8.2,8.2
1975,7.4,6.2,5.5,8.7,11,15.2,17.8,19.3,15.2,10.4,7.4,4.1
1976,5.6,5,5.7,8.5,13.6,18.5,19.4,19,15,12.1,7.4,3.4
1977,3.9,6.7,8.1,8.1,11.7,13.5,16.9,16.3,14.5,12.9,7.9,6.5
1978,3.9,3.7,7.4,7.6,12.3,14.1,15.8,15.7,15,12.5,7.9,5.1
1979,1.8,3,6.1,8.3,11.3,14.6,16.7,15.9,15,12.4,7.7,6.7
1980,2.3,6.6,6.1,8.9,12,14.4,15.4,17.5,16,10.7,6.4,4.9
1981,5.2,3.5,9.2,9.1,12.1,14.3,16.6,17.7,15.9,10.6,8.3,4.3
1982,4.7,5.5,6.7,9.1,12.8,16.7,18,16.8,16.8,11.2,8.8,5.3
1983,6.9,3,7,8.3,11.2,16,20.7,18.3,15.5,11.8,8.3,5.3
1984,5.2,4.3,5.4,9.4,10,15.4,17.7,17.8,14.7,11.8,9.6,5.2
1985,0.6,3.3,5.2,9.6,12.3,14.2,17.6,16,16.3,12,5.3,6.6
1986,4.8,-0.7,5.7,6.4,12.4,16.4,17,15.8,13.1,13,8.5,6.3
1987,-0.6,3.9,4.9,11.1,10.9,13.9,16.9,17.2,16.7,11.9,7.5,5.6
1988,6.9,5.4,7.1,9.7,13.3,15.1,16.1,17.2,15,12.4,6.8,7.7
1989,5,6.2,9.4,7.9,15.2,16,19.1,18.4,16.6,13.9,7.4,6
1990,6.2,8.9,8.9,9.1,14.9,14.6,18.5,19.8,15.3,13.4,8,4.8
1991,4.8,1.8,9.1,8.7,11.3,13.3,17.9,19.3,17.2,11.1,7.7,4.4
1992,3.9,5.3,7.9,9,14.8,15.8,17.9,18.2,14.9,9.4,9.6,5.4
1993,7.5,4.2,7.1,10.6,13.5,16.4,16.4,16.9,14,10.3,5,7.3
1994,6.6,5.4,9,8.8,12.6,15.9,19.9,18.3,14.5,11.9,11.5,7.7
1995,6,8.4,6.8,9.7,13.3,15.4,20.2,20.4,14.8,14.8,8.4,4.1
1996,5.6,3.6,6.1,9.5,10.8,16.3,17.8,17.8,14.8,12.5,7.4,3.5
1997,2.1,7.6,9.6,9.8,13.5,15.5,17.7,20.9,16.7,12.5,9.8,6.9
1998,6.2,6.6,8.8,9.1,14.9,15.7,16.7,18.2,16.4,12.4,6.4,6.5
1999,7,5.8,8.3,10.3,14.7,15.3,19.4,18.6,17.8,12.3,7.7,6.3
2000,5,7.4,8.1,9.3,14.2,16.1,16.5,18.6,16.8,12.4,9,7.8
2001,5.5,5.7,8.1,8.5,13.9,15.5,18,18.5,14.5,15,7.3,3.8
2002,6.6,8.1,8.6,10.4,12.8,16.1,16.9,17.8,15.3,12.2,10.2,7.7
2003,4.3,4.5,9.1,10.7,13.3,17.9,18.7,20,15.9,10.4,9.3,5.9
2004,6.1,5.4,6.8,9.7,12.9,16.9,17.4,18.5,16.9,12.6,8.4,5.1
2005,6.1,3.8,7.8,10.1,13,17.5,18.3,17.6,16.7,14.8,6.8,4.3
2006,4.4,3.7,6.4,9.8,13.4,17.3,20.7,17.4,18.3,14.8,9.8,6.6
2007,7.7,7.7,8.1,12.8,14.1,16.5,16.5,16.9,15,11.8,7.6,5.5
2008,7.2,6.3,7.3,8.9,15.1,15.8,17.5,17.6,14.6,11.1,8.3,4.3
2009,3.3,4.6,7.6,10.7,14.1,16.5,17.8,18.9,16.1,12.7,10.6,4.9
