1901,2.3,0.4,1.6,4.2,6.4,9.1,12.7,11.4,10.5,6.2,3.5,1.7
1902,3,0.3,4.3,3.7,5.3,9.5,10.6,10.7,9.4,7.3,5.5,3.2
1903,2.6,4.2,3.6,3.4,7.2,8.9,11,10.2,9.2,8,4.4,2
1904,2.7,1.7,1.9,5,6.9,9,11.8,11,9.1,6.9,3.9,3.3
1905,2.7,2.9,3.4,4.6,6.2,10.1,12.5,10.9,9,4.1,2.5,4.5
1906,3.6,0.7,2.4,2.9,6.6,9.5,10.5,12.4,9.2,7.4,5.3,1.7
1907,2.2,0.4,2.7,4,6.3,8.7,10.5,10.5,9.8,7.1,4.4,3.4
1908,1.4,3.5,1.9,2.9,8.3,9.4,11.6,11.1,9.6,9.2,5.6,3.4
1909,2.4,1.5,1.7,4.8,6.4,8.9,11.2,11.8,8.6,7.4,2.7,2.1
1910,2.1,2.7,3.1,3.9,7.3,10.4,10.6,11.8,9.2,8.1,2,4.7
1911,2.1,2.2,2.7,4.1,8.3,9.9,12.6,12.8,9.4,6.9,3.8,4.6
1912,2.6,3.2,4.6,5.1,7.8,9.8,11.7,9.2,8.1,4.9,4.6,4.6
1913,3.1,2.5,3.1,4.6,7.5,9.3,11.2,11.3,10.4,8.5,5.9,3.4
1914,2.3,3.8,3.2,5.5,6.9,9.6,11.8,11.7,9.3,7.3,4.2,2.6
1915,2.2,1.3,2.3,4.6,7,9.1,10.6,11.5,9.3,6.7,1.3,3.4
1916,5.3,1.5,1.6,4.5,7.5,7.8,11.4,12.6,10.1,8.5,5,0.8
1917,0.6,-0.5,1.5,2.3,8.1,9.9,11.6,12.2,10.2,4.6,6.4,0.8
1918,2.2,5.2,2.9,3.6,8.1,8.7,10.9,12.4,8.7,6.5,3.5,4.9
1919,1.6,1.1,1.3,4.1,8.1,9.3,10,11.5,8.7,5.2,1,3.7
1920,2.8,3.6,3.4,5.6,7.8,10.1,10.5,10.2,9.6,8.3,5.8,2.4
1921,5.2,2.7,4,4,7,9.9,12.6,11.2,10.4,9.3,4.9,4.7
1922,2.1,2.6,2.4,2.1,7.7,9.3,9.8,10.1,8.9,5.4,4.2,3.7
1923,3.4,4,4,4.7,6.1,9.8,13.1,11.4,8.8,7.1,1.4,2.5
1924,3.4,1.3,1.2,3.1,7.2,10.1,10.9,10.7,9.8,7.3,5.3,5
1925,3.6,2,2.2,3.9,7.3,10.4,12.1,11.7,8.1,7.5,1.4,1.4
1926,2.9,4.4,3.6,5.5,6.6,9.2,12.9,12.4,10.8,5.1,3.6,2.3
1927,2.8,2.2,4.5,4.7,7.3,8.6,12.4,12.2,9.3,7.5,4,1.8
1928,2.7,3.6,3.6,4.9,7.5,8.9,11.7,11.2,9,8.1,5.3,2.4
1929,0.5,0.4,3.3,3.6,6.7,8.8,11.2,11.6,11.1,6.6,4.3,3.6
1930,2.6,0.2,2.6,5.2,7.4,10.1,11.6,11.8,10.4,8.1,3.7,3.6
1931,2.7,3,1.5,5,7.3,10.3,11.4,11.4,9.7,7.4,6.6,4.8
1932,5.4,2.2,2.6,4.1,6.9,10.4,12.2,12.8,10.3,7.3,5.5,5.1
1933,1.8,2.6,4.3,5.5,8.3,11,13,13.3,11.7,8.7,5,1.3
1934,3.9,2.6,2.8,4.5,7.6,11.1,13.6,11.4,10.9,8.6,5.2,7.1
1935,4,4.4,3.9,5.3,7.1,10.4,12.8,12.1,10.6,8.1,4.8,2.5
1936,2.8,2.1,4.4,3.8,7.5,10.1,11.4,12.4,11.2,7.8,4.7,4.5
1937,4,4.3,1.1,6.1,8,10.3,11.6,12.5,10.3,8.1,5.1,2.5
1938,4.1,3.4,5.7,5,7.2,9.9,10.8,11.9,10.7,8.9,7.6,3.5
1939,2.8,4.2,3.9,5.3,7.8,10.6,11.1,12.3,11.1,6.9,7.4,2.7
1940,-0.7,2.4,3.5,5.8,8.2,11.5,11,12.2,9.8,7.5,5.8,2.8
1941,-0.4,1.8,2.6,3.5,5.8,10.2,11.2,10.2,10.5,7.7,4.3,4.6
1942,1.1,-1.4,2.4,4.7,6.3,9.1,10.8,11.9,9.7,7.3,2.8,5.4
1943,3.5,4.2,3.1,5.7,6.4,9.2,11,11.2,8.4,7.3,4.4,1.6
1944,5.1,1.8,1.7,5.6,6.4,9.3,11.6,11.5,8,6.4,4.3,4.2
1945,-1.5,4.4,4.6,5.6,7.1,9.8,11.3,11,10.5,8.1,5.1,4.1
1946,1.5,4.5,2.2,5.3,5.9,8.7,10.8,10.3,10.5,6.9,5.8,1.4
1947,0.6,-2.7,1.6,4.7,7.2,10,11.1,13.2,10.7,7.1,5.6,3.5
1948,3.3,2.5,4.2,4.6,6.5,9.6,11.6,11.2,10.2,7.3,5.8,3.7
1949,3.8,3.6,2.2,5.8,6.1,9.6,12.1,12.1,11.5,9.3,5,4.2
1950,2.3,3.1,3.9,4.5,7.1,11.1,11.6,11.6,9.9,7.2,3.6,0.3
1951,2.1,1.5,1.8,3.1,5.6,9.1,11.4,11.3,10.8,7,5.7,3.6
1952,1.1,1.6,3.7,5.1,8,9.5,12.1,11.6,7.6,6.6,3,1.9
1953,2.2,2.2,1.3,3.3,7.9,9.7,11.4,11.5,10.4,7.2,6.9,5.2
1954,1.8,0.7,3,3.4,6.8,9.1,10.2,10.7,9.3,9,4.8,5.2
1955,1.2,-0.7,0.2,4.5,6.1,9.8,11.5,12.5,10.6,6,4.4,4.7
1956,1.8,-2.4,2.9,3,6.8,8.8,11.3,9.7,11,6.8,4.7,4.7
1957,3.1,2.5,6.5,5,6.3,9.9,12.4,11.6,9.7,8,4.1,2.7
1958,2.2,3.1,1,3.5,6.6,9.5,11.2,12,11.1,8.6,5.1,2.6
1959,0.6,2.8,4.1,5.5,7.5,10,11.9,12.1,10.2,9.5,5.4,4.2
1960,2.8,1.2,3.7,5,7.8,10.9,11.5,11,9.6,7.1,5.5,1.7
1961,1.8,4.9,4.9,6.5,6.7,9.5,10.6,11.3,10.8,7.7,4.5,0.8
1962,2.4,2.7,-0.6,3.9,6.3,8.4,10.5,10.8,9.2,7,3.7,1.5
1963,-3,-2,3.2,4.7,6.3,9.7,10.4,11,8.7,8.3,5.6,0.9
1964,2.5,2.3,1.9,5,8.2,9.6,11.7,10.9,10.1,6,5.2,2
1965,1.5,0.8,2.2,4.4,7.2,9.5,10.3,10.9,8.4,7.7,2.5,3
1966,1.9,4.2,4.1,4.5,6.7,10.8,11.1,10.5,9.9,7,3.5,4.2
1967,3,3,4.3,4.6,6.4,9.3,11.6,11.3,9.7,8,3.3,3.4
1968,3.3,-0.1,3.1,3.6,5.5,9.4,9.9,11,10.4,10,5,2.2
1969,3.6,-0.7,0.9,3.7,6.9,8.9,11.6,11.8,10.1,9.8,3.1,1.9
1970,2.2,1.4,1.7,3.8,7.9,10.9,11.1,11.2,10.7,7.8,5.9,2.5
1971,3.1,2.9,2.4,4.1,6.7,8.9,11.7,11.9,10.2,8.8,4.3,5.1
1972,2.4,2.8,2.9,5.2,6.8,8,11,10.2,7.4,7.6,4.3,4.6
1973,3.2,2.9,2.5,3.6,7.2,9.5,10.8,11.7,10.2,6.8,5,3.2
1974,4.5,3.4,2.4,3.7,6.6,9.6,11.4,10.9,8.7,5.4,4.5,6.1
1975,4.8,2.8,2.2,4.7,5.5,9.3,12.6,13,9.2,7.4,4.4,4.1
1976,4.3,2.4,2.2,4,7.5,11,12.8,12.1,9.4,7.4,4.5,1
1977,0.9,3.3,4.6,4.4,5.9,8.4,11.7,11.1,9.9,9.6,4,4.6
1978,1.7,1.1,3.6,3,6.8,9.2,10.6,11.1,10.4,9.3,6.7,3.1
1979,-0.8,0.3,2.1,4.2,5.5,9.5,11.4,11,9.4,8.2,5.2,3.6
1980,0.5,3.8,2.4,4.7,6.3,9.6,10.7,11.7,11.2,6.5,4.5,3.7
1981,2.8,1.1,5.1,4.2,7.4,9.4,11.4,11.7,10.9,5.5,5.5,-0.2
1982,1.7,2.9,2.9,4.7,6.9,10.4,11.7,11.6,10.1,7.5,5.7,2.3
1983,4.1,0.1,3.9,3.1,6.7,9.9,13,12.3,10.5,7.6,5.5,4.2
1984,1.4,1.8,2.1,4.2,5.5,10,11.4,12.7,10.3,8.3,5.2,3.6
1985,-1.3,1.4,2.1,5.2,7.1,8.9,11.8,11,11,7.4,2.1,4.3
1986,2.2,-2.9,2.1,2.5,7.3,10.2,11.5,9.5,7,7.8,5.1,4
1987,-0.6,0.9,2.1,5.7,6.4,8.9,11.7,11.8,9.9,6.5,4.3,3.8
1988,3.6,2.5,4.2,4.4,7.3,10.3,11.4,11.2,9.8,7.6,3.2,6
1989,4.6,3.8,4.1,2.9,8.4,9.6,12.9,12.1,10.4,9.4,4.3,2.1
1990,4.6,4.8,5.6,4.3,8.3,10.1,12.2,13.3,9.1,9.3,4.5,2.3
1991,1.5,-0.1,4.1,4.7,7.3,8.6,12.7,12.2,10.4,7.2,4.8,3.7
1992,1.8,3.9,4.9,5.2,8.2,10.4,11.9,11.7,9.6,5.2,5.5,2
1993,4.1,3.9,3.9,6.1,7,10,11.5,10.6,8.5,4.9,3.1,3.5
1994,3.1,2,4.9,4.2,6.5,9.6,11.7,11.6,9.5,7.3,8,4.7
1995,2.5,4.2,2.5,4.8,7,9.6,12.8,13.5,9.5,9.9,5.2,1.1
1996,3.5,0.9,2.4,4.5,5,9,11.2,11.2,9.6,8.7,3.5,1.1
1997,0.7,3.7,4.6,4.9,7,9.7,11.2,13.8,10.4,7.9,6.2,3.8
1998,3.2,4.9,5.2,4.1,8.3,10.1,11.3,11.4,10.9,7.5,4.6,3.8
1999,3.3,3.4,4.1,5.7,8.8,9.4,12.5,11.8,11,7.5,5.3,3.1
2000,2.6,3.9,4.1,3.8,7.6,10,11.4,12.2,10.6,7.2,4.7,3.8
2001,1.8,1.7,3,4.1,7.8,9.5,11.8,11.6,9.7,10.3,5.6,2
2002,4.3,4.3,4.4,4.9,7.7,9.8,11,11.5,10.2,7.2,6.7,3.9
2003,2.7,2.2,3.7,5.5,7.4,10.7,12.7,12.8,9.9,5.9,5.9,3.4
2004,3.6,2.5,3.4,5.3,7.3,10.4,11.2,12.9,11.2,7.4,6.2,4.1
2005,4.6,2.3,4.8,5.1,7,11.3,12.5,11.6,10.9,9.9,4.4,3.5
2006,2.8,2.7,2.8,4.8,7.6,11,13.8,12,11.9,9.6,5.7,4.5
2007,4.8,3.4,3.2,5.5,7.4,11,11.3,11.1,9.5,8,5.8,3.1
2008,4,2.6,3.1,3.8,8,9.1,11.6,13.1,9.3,6.4,5.4,1.6
2009,2.1,2.1,2.7,5,7.1,10.4,12.1,11.8,9.3,8.9,6.5,1.6
