1901,2.7,0.1,3.5,7.5,9.5,12.4,14.8,14.5,13.1,8.3,3,3.4
1902,3.4,2.4,5.6,7.5,7,11.1,14.2,13.4,11.6,8.5,6,4
1903,3.7,4.2,5.2,4.9,9.1,10.8,13.6,13.4,12,11.1,6.8,2.8
1904,3.4,4.5,3,6.8,10,11.4,15,13.8,10.6,9.2,3.5,5.2
1905,1.4,2.8,5.8,7.1,8.3,11.7,14.8,13.2,10.9,5.5,4.2,3.3
1906,5.1,3.4,3.4,5.4,9,12,13.7,14.6,12,10.6,6.4,2.9
1907,2.3,1.3,3.8,6.1,9.3,10.9,12.3,13,12.5,9.8,7,6.5
1908,1.3,4.8,3.4,5.5,10.3,12,13.6,13.6,11.6,10.5,5.9,4.4
1909,2.4,0.7,3.8,6.7,8.8,10.9,12.3,14.2,11.1,10.8,3.8,4.8
1910,4.3,5.6,4,6,8.5,12.5,12.9,13.7,10.8,9.7,6.5,6.7
1911,1,2.8,4.5,5,10.2,12.7,15.9,16.2,14.8,9.9,5.7,7.4
1912,4.8,5.9,6.7,6.4,10.3,11.4,13.2,11.5,9.6,7.7,5.7,5.4
1913,6.2,3.1,5.5,7,9.4,11.3,13.5,14.2,12.8,10.3,9.2,4.2
1914,0.3,5.7,6.3,8.2,9.1,11.2,13.4,14.6,12,8.3,5.2,5.7
1915,4.3,4.2,3.8,5.3,11,12.5,12.6,13.8,11.4,8.1,4,7.8
1916,6.7,4.3,3.7,6.7,10.5,10.1,13.3,15.3,11.4,9.9,5.7,4.1
1917,1.4,0.5,3.2,4.7,11.4,13.3,14.1,13.6,12.5,7.8,7.5,0.8
1918,3.8,5,4.6,5.8,11,10.7,13.8,14.8,11.6,8,5,7.4
1919,3.5,4.3,5.3,5.4,10.3,11.5,12.7,14.8,12.8,6.2,4.7,6.2
1920,4.2,4.4,5.7,7.4,9.8,11.4,12.6,12.3,11.3,10.1,4.2,4
1921,6.1,2.5,3.9,5.4,9.1,12.8,15.1,12.8,12.8,12.2,4,5
1922,4,4.2,4.4,6.7,10.8,10.6,11.4,12.3,9.5,6.5,4.4,3.8
1923,4.4,6.4,6.2,6.6,8.8,10.3,15.2,13.4,11,10.7,4.2,4.8
1924,5.2,1.4,4,6.2,10.2,11.2,12.9,11.7,11.7,9.7,5.5,3.8
1925,4.1,3.6,1.3,6.1,8.7,12.4,13.1,13,9.3,8.4,3,4.3
1926,4.2,7,4.3,7.1,8.3,10.3,14.1,14.2,13.1,9.3,6.5,1.9
1927,4.1,2.8,6.2,7.3,9.8,11,12.9,13.4,11.6,8.7,5.2,3.1
1928,4.7,5.5,5.6,6.5,8.3,11.5,15.1,14.9,12,9.9,7.2,3.9
1929,0.5,0.6,4.6,5.2,8.9,12,13.9,13.4,14.8,9.1,6.5,6.2
1930,5.7,2.2,4.7,7.2,9.2,12.4,12.5,13.9,12.6,11,7.7,5.1
1931,4.1,3.9,4.2,6.6,9.4,12.9,12.7,12.7,9.9,8.8,6.9,3.2
1932,4.6,0.2,3.7,5.2,8.2,11.9,12.9,16.8,13.5,9.4,6.4,4.8
1933,1.7,3.5,5.4,7.5,10.8,12,15.3,16.4,13.2,10,4.4,-1.1
1934,2.6,1,4.1,7,10.3,13.4,15,13.3,13.5,10.4,4.3,7.8
1935,3.6,4,4.1,6.4,8.4,11.7,15,13.6,12.7,8.4,3.8,4.5
1936,6.3,3.7,6,6.2,10,11.8,12.5,14.1,13.3,6.9,5.2,3
1937,4.7,6.8,3.4,7.8,9.9,11.3,14.3,15.7,12.3,9.4,4.9,3.7
1938,4.3,2.8,6.1,5.4,8.9,13.1,13,14.7,12.2,10,8.9,3.1
1939,5.7,4.2,4.9,7.3,9.4,12,12.2,14,12.7,8.4,8.2,2.8
1940,-0.2,5,5,7.5,10.2,13.6,12.3,13.8,12.2,8.3,6.5,2.1
1941,1.4,4.5,5.4,5.5,7,12.8,14.3,12.9,12.7,9.5,5.9,4.2
1943,6.3,4,5.2,8.8,10.3,12.6,14.2,14.3,11.4,9.9,5.8,3.2
1944,4.6,1.9,3.5,7.9,9.3,11.9,13.7,16.2,11.6,8.5,7.2,3.5
1945,-0.6,6.5,5.3,8.5,9.9,12.9,14.5,13.7,13.7,9.6,5.6,4.6
1946,0.1,6.2,4.3,7.6,8.5,10.4,13.4,13.1,12.7,9.2,6.6,1.4
1947,0.9,1.2,5.9,7.6,10.6,12.8,14.9,16.4,13.4,8.9,8.6,4.5
1948,6,3.6,7.4,7.2,9.8,12,13,13.9,11.8,8.2,6.1,4
1949,4.1,4.3,4.3,8,8.1,13,16.4,15.2,15.2,11.6,5.8,4.3
1950,2.6,5.7,5.2,6.6,9.8,13.4,14.5,13.6,12.3,9.2,7.4,1.6
1951,4.6,3.5,4.5,6.7,7.9,12.5,14.6,13.5,13.4,8.4,8,4.9
1952,2.4,2.4,7.1,7.7,11,13.2,14.9,14.5,10.1,10.3,5.4,3.6
1953,-0.1,1.3,5.2,7.1,11.3,11.6,13.4,14.8,12.4,10,5.2,7.5
1954,2.7,2.2,5.9,5.7,9.1,11.3,12.1,13.1,12.9,11.2,6.9,6.8
1955,4.9,3.4,2,7.2,8.6,12.6,15.4,15.3,13,8.5,5,6.9
1956,4.2,-1,4.6,5.5,9.8,10.9,13.6,12.2,13.4,9.2,4.4,5.9
1957,2.2,6.3,8.1,7.1,8.9,12.7,14.6,14.1,12.6,10.1,5.3,3.1
1958,4.6,5.5,4.4,5.9,9.8,11.4,13.3,14.1,14.1,10.1,5.6,4.9
1959,3.2,4.1,6.5,7.6,10.6,12.6,14.7,15,13.4,10.3,6.8,6.4
1960,3.5,3.5,6.8,7.3,10.6,13.8,13.1,13.3,11.8,9.5,7.9,3.5
1961,3.9,6.8,5,8.6,9.5,12.4,14.1,13.4,14.6,10.4,6.2,4.4
1962,4.8,3.4,2.7,6.9,8.6,11.8,13.6,14.3,11.8,9.7,5.2,1
1963,-1.9,-0.6,5.7,6.9,8.9,12.1,13.7,13.2,12.5,10.4,8.5,1.2
1964,0.3,4.4,4.8,6.9,10.7,12.3,14.5,14.1,13.5,8.2,5.7,2.9
1965,3.7,0.7,5.1,6.8,9.7,11.6,12.1,13.3,10.3,10.4,6.2,6.5
1966,4,7.8,4.6,8.2,9.5,12.2,12.9,13.1,13.3,10.6,4.7,6.5
1967,3.8,4.3,5.1,6.5,8.2,11.6,14.7,13.7,12.1,11.3,6.2,3.2
1968,4.4,3.7,4.9,6.2,8.2,12.4,13.7,14.6,12,11.8,6.7,4.3
1969,5.4,1.8,5.3,7.1,9.3,11.5,15.2,14.6,13.2,10.6,6.2,3.2
1970,4.4,4.9,3.5,5.7,9.5,13.7,13.7,14.6,13.3,8.6,8.5,1.8
1971,3.6,3,2.3,7.6,10,11,15.6,14.1,12.5,9.4,4.2,4.5
1972,3.3,5,5.5,7,8.3,9.9,13.6,13.1,10.4,8.8,6.8,5.1
1973,2.9,2.8,3,5.3,10.1,12.8,14.3,16,13.4,8.5,5.4,4
1974,6.2,4.9,5.3,6.1,8.9,11.9,13.3,13.8,11.8,7,7.7,7.4
1975,6.2,4.8,4.1,6.8,9.4,12.8,14.7,15.8,12.6,8.7,6.2,1.9
1976,4.2,4.9,4.1,6.3,10.1,15.4,15.5,15.2,11.9,10.3,5.8,3.6
1977,3.5,6.6,5.8,6,9.2,11.1,13.7,12.9,11.4,10.9,6.1,5.4
1978,3.2,4.6,5.9,5.8,9.9,11.5,13.2,13.3,12.3,10,5.7,5.6
1979,1,4.2,5,6.3,8.5,12.5,14.1,13.2,12.4,10.6,5.5,5.8
1980,2.6,5.2,4.5,6.5,8.6,11.1,12.4,14.7,13.1,9.2,4.6,2.8
1981,4.4,2.3,8.1,7.7,9.8,12.6,14,15.8,13.6,10.5,7.1,5.2
1982,6.4,5.4,5.1,7.2,10.3,13.7,15.9,14.4,13.7,10,8,5.6
1983,5.1,2.6,5.6,6.5,8.5,13.6,17.9,15.9,13.4,9.7,7.6,3.9
1984,4.9,3.4,3.6,7.7,7.9,12.5,14.8,15.1,12.4,10.6,8.8,4.8
1985,-0.5,3.7,4.1,7.6,9.8,12.4,15.5,13.6,13.8,9.9,4.3,4.7
1986,4.9,0.3,4.7,4.7,9.8,13.3,14.8,13.1,12.1,12,7,5.7
1987,-1.2,3.9,4.2,8.8,9.1,11.8,15.4,15,14.7,10.4,6.5,5.9
1988,7,4.5,6,8.5,11,13.3,13,14.5,13.3,11.6,5.5,6
1989,3.6,5.1,7.4,6.1,12.8,13.7,16.5,15.5,13.3,11.9,7.1,6.1
1990,5.5,8.7,6.1,7.1,12.7,12.8,15.8,16.4,13.5,11.4,7,3
1991,4,1.4,7.6,6.3,10.2,11.6,15,16.8,14.9,9.4,6.6,3.5
1992,2.1,3.2,6.1,6.9,11.3,12.8,14.7,15.7,12.2,8.6,9.2,5.8
1993,6.3,3.2,5.1,7.5,10.4,13.5,13.6,14.7,11.7,8.7,3.6,6.7
1994,5.6,5.3,7.6,7,10.5,12.9,16.3,16.1,12.3,10.6,9.8,7.6
1995,4.9,7.3,5.3,8.1,10.6,13,16.8,16.7,12,12.9,6.4,4.6
1996,6.2,2.9,5,7.4,9.3,13.7,15,14.5,11.8,10.8,6.6,3.2
1997,2,6.2,7.5,8,11.1,12.3,14.6,17.5,13.8,11.5,8,5.5
1998,5,4.6,7.1,6.5,11.9,12.7,14.1,15.4,13.8,10.9,4.9,4.9
1999,5.7,5.1,6.7,8.1,11.6,13.1,16.4,15.6,14.3,11,5.7,5.4
2000,3.4,6.4,5.7,6.8,11.8,13.2,13.8,15.6,13.8,10.4,7.2,7.7
2001,5.6,4.9,7.8,7.2,11.1,13.1,14.7,15.6,11.7,12.9,5.2,1.8
2002,6.3,6.8,6.6,7.6,9.6,13.3,13.9,14.8,12.5,11.1,8.6,8
2003,2.8,3.4,7.4,8.3,10.6,15.7,15.7,16.3,13.3,9,8.3,5.3
2004,5.4,3.7,4.1,7,10,14,14.3,15.4,14.2,10.7,6.8,4
2005,5.1,2.3,5.1,7.3,10.4,15,15.6,14.4,13.3,13,5.6,2.9
2006,3.1,2.3,5.4,7.7,10.5,14.2,17.6,14,15,13.1,8.1,4
2007,6.7,6.9,5.4,10.1,11.2,13,13.6,13.9,11.6,9.9,5.7,3.5
2008,5.7,5.4,5.8,6.6,11.4,12.7,13.4,14.3,11.1,8.8,7.2,3.4
2009,2.2,3.2,4.9,7.2,11.2,13.8,13.9,15.4,13.6,10.7,9.2,4.2
