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