1901,2.9,1.5,3,6.8,11,11.6,16.2,13.8,12.3,8.1,4.4,2.2
1902,3.4,0.4,5.3,6.4,7.3,11.6,12.6,12.3,11.5,8.1,5.9,3.6
1903,2.6,5.7,4.9,4.6,9.8,11.3,13,12.6,11.7,8.8,5.2,1.7
1904,3.4,2,2.5,7.1,9.7,12,14.6,13.3,11.2,8.3,4.9,2.7
1905,3.3,4,5.4,5.3,9.5,13,15,12.7,11.1,5.6,4,5.3
1906,4.3,1.9,3.7,6.1,8.9,12.9,13.1,14.5,12.5,9.4,6.6,1.5
1907,3.1,1.5,5.1,5.8,9.1,10.3,13.3,12.3,12.2,8.5,5.1,3.6
1908,2.2,4.6,2.9,4.9,11,12.7,13.7,13.2,11.7,10.8,6,3
1909,2.6,2.7,2.6,7.9,9.8,11.3,12.6,13.8,11,8.6,3.6,2.7
1910,2.8,3.5,4.9,5.7,10.3,13,12.6,13.4,11.4,9.2,2.1,5.3
1911,3.4,3.4,3.8,5.9,11.9,12.7,15.4,15.4,11.7,7.8,4.8,5.2
1912,2.8,4.2,5.5,7.8,10.2,12.1,14.1,11.1,9.7,7.2,5,4.9
1913,3,3.8,4.4,6.4,9.8,12,13.2,13.7,12.4,9.4,7.3,3.8
1914,2.5,5.1,4.2,8.4,9.5,12.8,14.2,14.5,11.9,8.8,5.8,3.7
1915,3,2.8,4.1,6.6,9.8,12.8,12.7,13.5,11.8,7.7,1.8,3.5
1916,6.3,2.8,2.4,6.6,9.9,10.4,13.5,14.6,11.6,8.5,6.2,2.5
1917,1.3,0.6,1.9,3.9,11,12.4,14.1,14,12.4,6.2,7.2,1.9
1918,2.1,5.3,4.2,6,11.3,11.4,14,14.5,10.2,8.1,3.8,5.2
1919,2.4,1.2,2.1,6.1,12.2,12.3,12.8,13.9,11.5,7,2.1,4.1
1920,3.6,4.6,5.1,6.4,10.3,12.7,12.8,12.6,11.5,9.3,6.5,2.7
1921,5.5,3.8,5.4,7.2,9.8,13.1,15.8,13.5,12.4,11.3,3.5,5.2
1922,2,2.8,4,4.6,10.1,11.8,11.8,12.3,10.9,7.2,5.4,4.4
1923,5.3,3.8,5.5,6,7.9,11.1,15.3,13.1,10.9,8.4,2.6,2.2
1924,3.1,3.1,2.9,5.4,9.7,12.2,13.2,12.3,11.8,8.9,6,6
1925,4.6,3.4,4.1,6.2,10,13.6,15.3,14,10.2,9,2.2,1.4
1926,3.9,4.9,5,7.7,8.8,12,15.3,14.4,12.7,6.7,4.6,3.5
1927,3.8,3.2,5.5,6.1,9.5,10.4,15,14.2,11.2,9.1,4.9,0.8
1928,3.9,4.5,4.4,7.1,9.9,10.7,13.4,13.6,11.2,8.6,6.4,2.7
1929,0.7,-0.4,4.9,5.1,10.1,11.7,14.1,13.4,13.2,8.1,5.6,4.5
1930,3.9,1.2,3.7,7.2,9.8,13.6,13.6,14.2,12.2,8.9,4.7,3.5
1931,2.2,2.8,2.7,6.2,10,11.9,14.1,13.3,10.2,7.8,6.7,4.8
1932,5.4,3,3.7,5.2,9.3,12.9,14.5,14.9,11.4,7.1,5.4,4.9
1933,1.5,3.1,5.9,7.4,11.1,14,16.1,15.6,13.7,8.8,4.5,1.6
1934,3.6,4.2,3.4,6,9.9,13.5,16.3,13.7,12.8,8.8,5,6.8
1935,3.7,4,5.6,6.5,9.2,13.1,14.8,14.7,11.6,7.8,5.1,1.5
1936,2.4,1.7,5.3,5.2,10.5,13.4,14,14.5,13.4,8.2,4.5,4.2
1937,4.2,3.7,1.6,8,11,12.6,14.5,15.1,11.7,9.2,4.9,1.4
1938,4.6,4.1,7.4,6.5,9.1,12.2,13,14.5,12.5,9.1,7.5,3.3
1939,2.7,4.5,5,7.2,10.5,13.2,13.9,15.1,12.7,7.2,6.9,2.6
1940,-1.6,1.8,4.1,6.7,11.4,14.5,13.4,13.8,10.8,8.5,5.8,3
1941,-0.7,1.5,3.3,5.1,8.5,13,14.6,13.3,13.5,9.1,5.3,4.5
1942,0.5,-0.9,3.3,7.6,9.6,12.1,13.6,14.7,12,8.8,4.4,5.3
1943,3.6,5.4,5.5,8.5,9.9,12.5,14.2,13.6,11.4,9.3,5.3,3.1
1944,4.8,2.7,4.3,8.4,9.5,12.2,14.7,15.1,10.8,7.7,4.7,3.3
1945,-0.4,5.6,6.3,7.9,10.4,12.8,15,14.5,12.8,10.4,6.6,4
1946,1.7,4.5,4.1,7.8,10.1,11.1,14,12.9,12.3,8.4,6.8,2.1
1947,1.6,-2.1,1.5,6.3,11.4,13.5,14.9,17.4,12.7,9.8,5.6,4
1948,3.4,3.6,7.1,7.4,10.3,12.4,14.5,13.2,12.2,8.5,6.2,4.1
1949,4.2,4.4,4.3,8.3,9.8,13.5,15.2,15.3,14.8,10.3,5.7,4.4
1950,3.4,3.2,5.9,5.5,10.7,14,14.4,14,11.3,8.4,4.4,0.3
1951,2.3,2.2,2.2,5,8.7,12.2,14.3,13.2,12.8,8.9,7.4,4
1952,0.9,2.4,5.2,8,11.8,12.1,14.6,14.3,9.5,7.5,3.1,2.1
1953,3,3.8,5,5.6,11.6,13.2,13.7,14.3,12.7,8.6,7.4,5.5
1954,2,1.1,4.4,6.6,10.3,12,12.3,13,10.9,10.1,5.5,5.1
1955,1.5,-0.1,2,8.1,8.3,12,16.4,16.6,12.9,7.7,6.4,4.1
1956,2,-0.1,5.2,5.5,10.4,11.7,14.1,11.8,13.1,8.4,5.2,4.8
1957,4.2,3.5,7.8,7.4,9.4,13.5,14.8,14.1,11,9.2,5.8,3.6
1958,2,3.1,2.5,6.3,9.5,12.3,14.5,14.7,14.1,9.5,5.5,3
1959,0.5,3.9,6.3,7.7,12.1,13.6,15.2,15.9,13.7,11.8,6.4,4.7
1960,3,2.6,5.3,7.9,11.9,14.7,13.7,13.7,11.9,9.3,5.8,2.6
1961,2.2,5.6,7.3,8.6,9.9,12.5,13.3,13.5,13.7,9.4,5.2,0.9
1962,3.1,3.7,1.5,6.3,9.1,12,13.1,12.8,11.5,9.4,4.4,1.5
1963,-2.2,-1.4,4.9,7.1,9.1,13.6,13.7,12.9,11.5,9.4,6.3,2.3
1964,3.2,3.5,3.2,7.5,11.8,12.2,14,13.8,12.6,7.9,6.1,2.2
1965,2.1,2.7,3.9,6.6,10.3,13.1,12.4,13.4,11.1,10,3.3,2.9
1966,2.2,3.9,5.5,5.5,10,14,13.4,13.2,12.8,8.6,4.6,3.8
1967,3.5,4.2,5.5,6.6,8.8,13.1,14.5,14.3,12.4,9,4.4,3.5
1968,3.5,0.4,4.9,7,8.4,13.6,13.5,14.2,12.6,11.3,5.5,2.3
1969,4.4,-0.3,1.9,6,9.8,12.7,14.9,15.1,12.9,11.8,3.6,2.1
1970,2.7,1.3,2.7,5.2,11.7,15.1,13.3,14.9,12.9,9.4,6.4,3.5
1971,3.7,4,4.1,6.7,10.2,11,15.2,14.1,13.2,10.3,5,6.1
1972,3,3.5,5.2,7.1,9.4,10.3,14.3,13.4,10.4,9.5,4.8,4.7
1973,3.4,3.3,5.3,5.3,10,13.6,14.3,14.6,12.7,8,4.7,3.7
1974,5,4.5,4.6,7.1,10,12.1,13.2,13.5,10.5,6.6,5.4,6.6
1975,5.4,3.6,3.8,7,8.6,13.1,15.4,17,11.6,9,5.1,4.5
1976,4.9,4,3.5,7,10.3,14.5,16.4,15.9,12,9.3,5.1,0.8
1977,1.5,3.4,5.5,5.9,9.4,11.4,14.5,14,11.7,10.7,4.6,4.8
1978,1.9,1.5,5.3,5.5,11.2,12.1,13,13.7,12.6,10.8,7.3,2.7
1979,-0.9,0.5,3.1,6.2,8,12.8,13.8,13.4,11.7,10.2,5.4,4.2
1980,1.4,4.4,3.2,7.8,10.3,12.2,13.3,14.1,13.2,7.6,5.8,4.5
1981,3.4,2.2,6.1,6.8,10.6,11.9,13.7,14.8,12.9,6.2,6.5,-0.5
1982,1.8,4,4.7,7.7,10.2,13.7,15.2,14.2,12.6,9,6.3,2.9
1983,5.3,1.2,5,5.3,9.2,12.7,17.6,15.8,12,8.8,6.3,4.9
1984,2,2.8,3.8,7.1,9.6,13,15.5,16.2,12,9.7,6.9,4.3
1985,0.3,1.8,3.3,6.9,9.9,11.2,14.5,13.1,13,9.6,2.6,4.9
1986,2.1,-1,3.9,4.6,9.9,13.5,13.7,11.9,10.1,9.2,6.5,4.6
1987,0.3,2.8,3,8.7,9,11.2,14.4,14.1,11.8,8.1,5.4,4.6
1988,4,3.7,4.6,6.9,10.5,13.6,13.2,13.6,11.6,9,4.3,6.1
1989,5.6,4.7,5.5,5.2,11.2,12.9,16.2,14.4,12.4,10.1,5.4,2.9
1990,5.3,5.8,6.8,6.6,11.4,12.2,14.9,15.8,11.1,10.2,5.4,2.8
1991,1.9,1.5,6.5,6.6,10,10.5,16.1,15.3,12.9,9,5.6,3.8
1992,2.8,4.8,6,7.2,12.2,14.4,14.2,13.5,12.1,6.2,5.9,2.4
1993,4.4,4.5,5.3,8,9.8,13.2,13.3,12.6,11.1,6.8,3.5,3.3
1994,3.6,2,5.6,6.4,9.2,12.5,15.6,13.8,11,8.8,8.8,4.9
1995,3.2,4.9,3.7,7.5,10.3,13.3,16.6,17.4,12.4,11.7,6.9,1.3
1996,4,1.9,3.5,7.2,8,12.6,14.4,15.5,12.5,10.2,4.5,2.2
1997,2.2,5.4,6.9,7.7,10.3,12.5,15.2,17.2,12.6,8.9,7.7,4.7
1998,4.1,6.9,6.7,6.5,11.9,12.3,13.8,14.3,13.5,8.9,5.1,4.4
1999,4.3,4.3,6,8.2,11.7,12.5,16,14.9,14.3,9.6,6.7,3.2
2000,4,5,6.4,6.7,11.2,12.9,14.2,15,13.4,8.8,5.7,4.1
2001,2.7,3,3.4,6.1,11.6,12.4,15.3,14.7,12.2,12.1,6.8,2.7
2002,4.8,5.6,6.2,8,10.8,13,14,15.7,13.1,8.4,7.3,4.5
2003,3.7,3.3,6.5,9,10.7,14.4,16,16.3,12.9,8,7.4,3.7
2004,4.3,4.4,5.4,8.4,11.3,13.7,14.1,16.3,13.3,9.2,7,4.9
2005,5.4,3.8,6.2,7.7,10.1,13.9,15.1,14.7,13.6,11.3,5.3,4.1
2006,3.7,3.7,3.4,7.1,10.8,14.4,17.2,14.8,15.1,11.6,7.2,5.2
2007,5.7,5,6,10,10.7,13.9,14.2,14.4,12.7,10.2,6.9,4
2008,5.2,4.9,4.9,6.7,12.7,12.8,15.5,15.3,12.3,8.7,6.1,2.8
2009,2.7,3.5,5.9,8.6,10.9,14,15.3,15.4,13,10.2,7,2
