1901,2.2,-0.9,4.3,7.8,9.1,15.5,16.8,17.3,15.1,8.3,3.7,0.4
1902,0.8,4.1,5,8.2,8,13.5,17.4,16.7,13.5,8.7,5.3,2.7
1903,1.2,3,4.7,6.3,9.5,13.6,16.9,18.6,14.2,10.9,6.3,2.4
1904,3.1,4.4,3.2,6.8,11.4,15,18.1,18.5,13.2,9.7,3.8,3.7
1905,1.4,0.9,6.6,8.3,8.8,14.8,17.6,17.4,13.4,8.1,4.1,1.1
1906,2.9,2.8,3.4,5.3,9.2,14.5,16.6,18,13.7,10,4.5,2.5
1907,1.5,2,3.7,7.1,8.6,14.6,15.8,17.3,13.5,9.1,4.6,4.3
1908,2.8,3.4,3.2,5.7,10.7,12.8,16.2,17.2,14.7,11.3,6.3,3.2
1909,0.7,0.4,5.1,7,10.1,12.5,15.3,17.6,12.7,10.2,5.5,4
1910,1.6,5.9,4.3,7.3,9.5,14.7,16.7,17.5,13.8,10.2,6.7,3.6
1911,0.2,2.8,4.6,5.7,10.1,14.3,17.8,18.5,15.7,9.8,5.7,4.2
1912,2.6,5.5,6.8,7,11.3,14.5,16.6,16.9,12.6,9.1,4.1,1
1913,3.8,3.2,5.1,7.1,10.6,14.5,16.7,17.2,13.5,9.8,7.7,2.4
1914,0.2,4.1,6.7,7.3,9.5,12.3,16.2,16.4,14.6,9.9,4.6,2.9
1915,2.7,2.5,4.2,5.7,10.1,14.7,16.7,18,13.5,8.8,5.2,4.1
1916,2.5,4.2,4.1,7.1,10.5,13.2,16.4,18.2,13.6,10.2,5.8,3.7
1917,2.2,3.4,4.3,5.1,10.3,13.9,16.8,16.9,14.9,8.4,5,0.3
1918,2,2.5,4,6,10.2,13.5,16.3,16.1,13.5,7.9,4.2,2.8
1919,0.4,4.4,5.1,5.7,8.7,12.6,15.7,16.1,14.5,8,2.7,1.5
1920,2.6,2,3.6,7.1,9.2,13.3,15.5,15.6,12.9,9.2,3.8,1.1
1921,1.9,3.2,4.3,6.2,9.4,13.9,17.2,17.6,15.9,11.7,5,3.2
1922,2.4,3.8,4.5,8.2,10.4,13.4,15.8,17,12.2,9.9,4.5,0.9
1923,2,3.7,6,6.7,11.3,12.7,17.4,18.5,12.9,12.2,5.1,2.4
1924,2.6,1.3,5.2,7.8,13.1,15.4,17.9,16.5,14.5,11,6,1.9
1925,0.1,2.7,1.9,6.8,9.3,13.2,15.4,16.3,12.9,8.9,3.4,2.2
1926,2.6,5.7,5.5,7.5,9.7,13,16.3,16.6,15.8,11,4.8,1.1
1927,1.7,1.4,5.9,7.4,10.8,13.7,17,17.7,13.6,9,3.4,2.1
1928,0.9,2.9,5.1,6.4,8.7,13.8,17.4,17.4,14.8,10.2,4.6,1
1929,-1.1,2.8,3.6,6.6,9.3,15.3,17.1,16.6,14.5,9.3,5.4,3.6
1930,4.5,0.7,5.1,6.3,10.6,14.3,16.9,17.8,14.7,11.9,6.5,4.4
1931,2.7,3.2,3.5,8.1,10.5,15.9,17.5,18.3,13.1,9.7,5.4,0.6
1932,1,0.7,6.2,6.7,10.6,13,15.5,16.2,14.6,9.2,6.6,3.7
1933,1.5,3.2,5.1,7.9,11,12.7,17,18.9,15.3,10.6,3.3,0.1
1934,0.8,1.7,3.9,6.4,11,15.2,18,16.7,15.3,9.8,2.9,5.2
1935,1.1,2,5.1,7,8.3,14.4,17.9,17.2,15.9,9,5.5,4.6
1936,4.8,6.1,5.6,7.7,9.1,12.6,16.2,16.9,15,7.7,5.3,1.1
1937,3.4,5.9,5.7,8.4,10.8,14.6,16.9,18.1,14.3,10.7,8.1,3.3
1938,1.5,1.1,3.7,6.1,8.4,13.9,16.1,16.8,13,10.7,6.7,3.1
1939,4.7,2.2,3.1,6.6,7.5,12.4,15.3,15.9,14.5,9.1,5.2,2
1940,1.5,4.9,6.3,6.6,9.1,12,15,16,13.1,7.5,4.8,-0.3
1941,2.3,4.8,5.1,6.5,7.9,13.1,16,15.8,13.7,8.7,3.7,0.3
1942,1.8,0.7,6.1,8,10.4,14,15.8,16.4,14,10.9,5.5,2
1943,3.4,2.7,4.4,7.7,11.6,15.2,16.7,17.8,14.2,9.4,3.4,2
1944,-1.2,-0.7,3,8,9.5,14.5,16.3,17.7,13.9,7.8,4.6,1
1945,-1.2,3.6,3.5,8.8,11,15.3,18,16.9,14.8,9.9,6.4,3.7
1946,0.3,3.4,4,7.3,10,13.8,16.8,17.9,15.8,10.4,5,1
1947,1.6,3.9,6.7,7.3,9.2,15.6,18.2,17.5,13.7,10.2,7.5,0.7
1948,4.1,3.7,6.4,6.8,11.5,15.4,15.9,17.9,14.6,8.9,6.2,4.1
1949,2.3,3,4.1,7.7,8.9,14.8,17.6,18.4,15.9,10.4,6.3,3.5
1950,2,4.1,3.9,5.5,9.3,14.9,18.4,18.1,14.3,10.6,7.1,1.3
1951,2,3.4,5.1,6,8.9,14.2,16.9,16.3,14.8,8.5,5.2,4.7
1952,0.3,1.8,6.2,6.9,11.3,15.9,17.6,17.5,13.6,10.4,6.1,2.8
1953,-0.2,0.8,3.6,7.2,10.9,13.7,17,17.4,14.2,9.8,6.5,4.7
1954,1.3,2.2,5.3,6.3,10.2,13.6,16,16.3,13.4,9.3,7.3,3.2
1955,6.9,4.7,3.6,6.1,11.7,14.8,17.6,17.2,13.9,9.4,5.9,4.7
1956,2.9,-0.3,3.7,6.3,9.6,12.4,16.9,17.4,14,10,3.9,0.1
1957,-0.3,4.3,5.4,5.4,8.9,13.5,16.3,17.5,14.8,9.1,5,2
1958,2.3,4.2,5.2,5.2,10.5,14.1,16.4,17.1,16.2,9.9,6,5.5
1959,3.2,2.8,6.7,7.4,10.5,14,18.5,18.3,15.3,11.1,6.1,5.4
1960,3.6,4.6,6.9,6.7,10.5,15.9,17.8,17.8,14.8,9.4,7.1,2.5
1961,2.5,4.4,3.8,9.2,11.9,14.9,17.7,17.6,15.9,10.8,7.1,4.4
1962,3.4,2.5,5.7,7.6,10.4,13.9,18.4,18.5,16.9,12.5,4.9,2.2
1963,3.5,3,5.7,7,9.4,14.9,17.6,17.3,14.1,10.5,8.2,3.5
1964,2.1,4.7,6,6.5,12.2,15.4,18.2,18.1,17.2,10.2,5.4,3.3
1965,1.9,1.2,5.6,7.2,10.9,14.9,17.9,16.9,12.8,11.8,7.2,5.2
1966,6.2,6.7,3.6,9.1,10.4,14.7,17.1,18.2,15.7,11.1,4,3.2
1967,2,4.3,5.8,6.1,10.4,13.2,17.8,17.7,15.2,12.5,7.8,1.9
1968,2.4,4.7,4.5,7.6,9.9,14.3,17.8,17.5,15.6,11.8,6.8,5
1969,4.4,2.1,5.8,7.4,11.1,13.8,17.2,17.4,13.4,11,5.7,3.2
1970,4.6,3.7,3.2,6.3,9.8,14.7,17.1,18.1,16,9.6,7.7,1.4
1971,2.5,3,2.5,8,9.9,13.2,17.7,18.4,15.7,12,4.6,3.6
1972,2.4,4.3,5.3,6.5,9.1,13.9,17.3,16.4,13.2,9.9,8.6,3.7
1973,2.6,2,3,5.7,10.9,14.9,17.7,18.6,15,10,6.8,3.2
1974,3.8,1.4,4.8,6.2,11.1,15.2,17.2,18,15.3,8.2,5.6,2.9
1975,3.6,4.9,4.7,6.2,9.3,14.4,18.3,18.3,14.1,10.6,5.9,3.2
1976,1.1,4.1,4.4,6.6,11,15.4,18.1,18.4,14.5,10,4.2,5.5
1977,5.3,6.6,6,7.3,9.6,13.8,16.6,15.7,14.5,12,6.9,6.1
1978,3.5,5.9,5.7,7.5,10.3,14.3,16.1,18,15.8,10.3,6.6,6.3
1979,6.5,6.1,6.1,6.9,10.9,15.7,18,18.2,14.9,11.7,5.2,4.7
1980,3.5,4.6,6.3,6.5,10.6,14.9,16.3,18.9,17.3,10.3,6.2,2.5
1981,2.4,2.6,7.7,8.3,10.5,15.6,16.7,17.5,15.9,11.6,7.5,6.9
1982,6,5.8,5.8,7.4,10.9,16.9,19.5,17.9,15.5,11,7.6,4.5
1983,1.4,2.7,6.2,8.3,11.4,15.5,18.9,18,16.7,11.8,9.6,4.3
1984,4.1,3.7,4,8.5,9.9,14,17.8,18,15.2,10,8.5,4.1
1985,1.3,6.4,5.1,8.7,9.9,16.6,19.6,18,16.9,12.2,7.3,4.2
1986,4.2,4.8,5.5,7.1,12.5,15.7,18.3,19.3,16.8,12.5,7,3.6
1987,3.2,4.6,6.6,9.3,11.4,15.4,18.9,19.2,17.3,12.8,7.5,6.3
1988,6.6,4.7,6.6,8.8,12.3,15.1,18.6,19.4,15.3,12,8,2.9
1989,3.1,5.1,7.3,7.9,11.8,16.4,19.8,20.7,15.8,12.2,9.8,8
1990,3.9,6.8,7.2,7.6,11.9,16.9,19.1,20.8,18.3,12.3,7.1,3.5
1991,3.5,3.8,7.3,7,8.7,15.6,18.6,19.5,16.6,10.1,6.5,4.9
1992,2,2.5,6.1,8.1,12.6,13.4,18.1,19.7,16.4,11.2,7.8,5.4
1993,1.8,4.1,5.3,8,11.9,16,18.2,18.8,14.8,10.2,6.4,4.7
1994,3.3,4.3,6.2,7.5,12.5,16.2,20.2,21.2,13.8,12.7,8.7,4.6
1995,4.5,6.1,5.9,7.7,12.2,15.8,18.8,19.7,14.8,12.7,9.3,7.1
1996,6.4,4.9,6,8.8,11.8,16.4,18.4,19.2,14.6,10.1,7.9,5.3
1997,5,5.9,6.4,9.6,11.8,16.9,17.7,19.1,17.1,13.5,8.7,5.2
1998,4.9,6.1,6.9,9.2,12.1,16.9,19.8,19.3,17.4,10.5,7.2,2.5
1999,3.2,3.4,6.3,9,13.4,16.3,19.6,20.3,16.4,12.3,5.4,4.6
2000,1.1,5.7,6.2,9.1,13.2,16.3,19.2,18.6,15.4,10.8,7,5.8
2001,6.4,5.1,7.9,9.4,12.5,16.9,18.7,20.1,16.5,13.5,5.7,2.4
2002,4.2,4.9,7.6,8.8,11.4,16.5,18.4,18,16.5,12.4,8.6,7.1
2003,4.3,4.2,6.5,8.9,12.4,19,20.8,20.9,16.7,12.6,8.8,4.9
2004,5.5,4.5,6.4,8.1,11.6,17.5,19.5,20.6,17.3,13,6.2,5.6
2005,1.5,2.4,5.9,8.8,12.9,17.9,19.3,18.7,15.7,13,6.9,4
2006,3.5,3.9,8.2,10.1,13.4,16.8,20.5,18.9,16.6,13.8,9.9,4.7
2007,3.8,7.2,6.9,9.1,12.9,16.8,19,18.9,16.1,11.6,5.5,4.5
2008,4.7,6.2,6.9,9.8,11.9,15.6,19.3,19.6,16.1,11.6,5.9,3.6
2009,4,4.4,6,8.2,13,17.4,19.6,19.7,15.8,13,9.4,5
