1901,2.7,0.1,4.3,8,9.6,12.7,15.2,14.6,13.8,8.7,3.2,3.1
1902,3.2,3.1,5.7,8.1,7.3,11.6,14.6,13.7,12.3,8.9,5.9,3.9
1903,3,3.8,5,5.4,9.2,11.3,14.2,14.3,12.4,11.3,6.9,2.9
1904,3.8,5.1,3.4,7,10.2,11.9,15.2,14.6,11.3,9.6,3.6,5
1905,1.5,2.7,6.6,7.5,8.8,12.2,14.9,13.9,11.5,6,4.2,2.8
1906,4.8,3.8,3.6,5.6,9.1,12.3,14.1,14.7,12.1,10.8,6.4,3
1907,2.5,1.8,4.1,6.8,9.3,11.4,12.9,13.3,12.5,10.3,6.6,6.4
1908,1.6,5.1,3.9,6,10.3,12.3,14,14,12.3,11,5.9,4.2
1909,2.3,1,4.5,6.8,9.2,11.4,12.7,14.5,11.7,11.1,4.3,4.9
1910,4.1,6.1,4.2,6.5,9.1,13.1,13.6,14.1,11.3,9.8,7.1,6.2
1911,1.1,2.7,4.7,5.3,10.5,13.1,15.9,16.2,14.8,10.4,5.7,7.1
1912,4.8,5.9,7.2,6.8,10.4,11.9,14,12.7,10.1,8.2,5.2,4.6
1913,5.9,3.2,5.7,7.5,9.8,11.8,14,14.9,13.1,10.6,9.3,4.2
1914,0.4,5.8,7.1,8.1,9.5,11.3,13.9,14.6,12.6,8.8,5.2,5.5
1915,4.5,4.4,4.2,5.7,11,13.5,13.4,14.5,12,8.6,4.6,7.5
1916,6.2,4.9,4.3,7.3,10.9,10.7,14.1,15.7,12,10.2,5.9,4.3
1917,2,1.4,4,5.1,11.5,13.5,14.6,14.2,12.8,8.7,7.2,0.5
1918,3.6,4.6,4.9,6.4,11.3,11.1,14,14.7,12,8.2,5,6.7
1919,2.8,4.7,5.9,5.9,10.3,11.4,13.5,14.6,13.4,7,4.7,5.7
1920,4.3,3.9,5.6,7.6,9.8,11.6,12.9,12.8,11.6,10.2,3.7,3.4
1921,5.1,2.5,3.9,5.8,9,12.9,15.5,13.4,12.8,12.1,3.8,4.6
1922,3.6,4.6,4.5,7.8,10.6,10.8,11.4,13,9.6,7.2,4.2,3.1
1923,4.4,5.8,6.6,7.3,10.1,11.4,15.2,14.3,11.5,10.8,4.2,4.7
1924,4.8,1.6,4.5,7.1,11.1,11.8,13.9,12.3,12,10,5.5,3.6
1925,3.5,3.7,1.4,6.4,9.1,12.2,13.9,13.2,9.4,8.2,2.9,3.9
1926,4,6.8,5,7.4,8.6,11.2,14.3,14.7,13.8,10.1,6.8,2.5
1927,4.3,3,6.6,8,10.4,11.9,13.6,14.4,12.5,9.3,5.6,3.9
1928,4.3,5.5,6.1,7,8.7,12,15.8,15.6,12.6,10.5,7.2,4.2
1929,0.9,1.7,5,5.3,9.6,13,14.7,14,14.7,9.6,6.9,6.4
1930,5.3,2.4,5,7.5,10.3,13.3,13.6,14.7,13.5,11.8,8.2,5.5
1931,4.4,4.1,5.3,7.1,10,13.4,13.7,14,10.8,9.6,7.1,3.3
1932,4.3,0.7,4.5,5.7,8.9,12.3,13.6,17.2,14.3,10.2,7,5.1
1933,2.1,3.9,5.6,7.9,11.6,12.6,15.8,17.2,14,10.7,4.7,0.1
1934,2.9,1.8,4.6,7.1,11.1,14,15.7,13.9,14.3,11,4.7,7.5
1935,3.4,4.4,4.2,6.7,8.6,11.8,15.3,13.7,13.2,9,4.3,4.7
1936,6.3,4.4,6.3,6.8,10.1,11.9,13.4,14.1,13.5,7,5.3,2.8
1937,4.5,7.2,4.4,8.4,10.1,12.1,14.3,16.1,13.1,9.6,5.6,3.9
1938,4.1,2.5,5.3,5.5,8.9,12.3,13.1,15,12.4,10,8.4,3.2
1939,5.7,3.9,5.1,7.3,9.3,11.9,12.5,13.9,12.5,8.8,7.8,2.8
1940,0.4,5,5.4,8,10.7,13.5,12.9,14.4,12.9,8.9,6.6,2.3
1941,1.7,4.8,5.4,6,7.8,13.3,14.9,13.9,12.7,9.9,5.8,4.1
1942,1.6,0.8,6,8.3,9.8,12.9,14.4,14.7,13.2,11.9,5,4.5
1943,5.9,4.3,5.3,8.9,11,13.3,14.8,15.2,12.7,10.7,6.3,3.5
1944,4.3,2.3,3.9,8.4,10.1,12.5,14.2,16.5,12.7,9.4,7.7,4
1945,-0.1,6.2,5.3,8.5,10.3,13.2,14.9,14.3,13.9,10.1,6,4.7
1946,0.4,6,4.4,8,9.5,11,14.2,13.8,13.4,10.2,6.5,2.2
1947,1.3,2,6.1,7.5,10.5,13.4,15.8,16.9,13.9,10,9,4.5
1948,5.9,3.8,7.1,7.7,10.7,12.5,13.3,14.5,12.4,9.1,6.1,4.2
1949,4.2,4.3,4.2,7.9,9.1,13.8,16.5,15.7,15.7,11.8,6.5,4.5
1950,2.8,5.7,5.1,6.7,10.3,13.8,15.3,14.4,12.6,9.9,7.7,1.9
1951,4.9,4,5.4,7.1,8.6,13,15.1,13.7,14,8.7,8,4.8
1952,2.6,2.3,8,8.2,11.6,14.2,14.9,15.5,10.9,11.1,6.6,4.7
1953,-0.2,1.3,5.4,7.4,11.9,12.1,13.7,15.6,13.2,10.4,5.6,7.7
1954,2.9,2.7,6.3,6.3,9.6,12,12.5,13.6,13.7,11.2,7.9,6.6
1955,6.7,4.2,3.1,8.3,9.6,13.3,15.9,15.5,13.2,8.8,5.1,6.8
1956,4.8,-0.4,5.3,6.4,10.6,11.2,13.8,13.2,13.3,9.3,4.3,5.3
1957,1.9,6.4,8.3,7.5,9.2,13.3,14.7,14.5,12.7,9.9,5.2,3.6
1958,4.6,6,5.3,6.3,10.3,12,13.9,14.8,15.2,10.1,6.2,5.7
1959,3.9,4,7.2,7.9,11.1,13.6,15.4,15.5,14.4,10.5,6.8,6.7
1960,3.6,4.3,7.6,7.5,11.5,14.4,13.7,13.6,12.2,9.8,8.1,3.6
1961,3.8,7,5.6,8.9,10.1,13.5,14.4,13.9,15.6,11.4,6.5,5.7
1962,5.3,3.6,3.5,7.3,9.4,12.8,13.8,14.8,13,10.6,5,1.5
1964,0.4,4.8,5.3,7,11.6,12.8,15.5,14.7,14.4,8.5,5.8,3
1965,3.6,0.9,5.8,7.2,10.1,12.6,13.2,14.4,11,11.9,6.9,6.8
1966,4.5,7.7,4.5,8.1,10.2,12.7,13.5,14,13.9,11.3,5.2,6.8
1967,3.2,4.7,6.1,6.5,8.9,12.3,15.5,14.4,12.5,11.8,7.3,3.2
1968,4.5,4.7,5.2,6.8,8.8,12.6,14.5,15,12.5,11.9,7.4,5
1969,5.4,1.7,5.9,7.7,9.9,11.7,15.8,15.1,13,11,6.1,3.5
1970,4.9,5.6,3.6,6,9.9,14.3,14.5,14.8,13.4,8.9,9.1,1.9
1971,4,2.8,2.1,8.1,10.8,11.5,16,14.5,12.9,10.2,4.1,4.5
1972,3.8,5.1,5.9,7.1,8.7,10.5,14.1,13.6,10.5,9.1,7.6,4.5
1973,2.9,2.7,3.3,5.5,10.8,13.3,14.7,17,13.4,8.3,5.2,3.7
1974,6.2,4.6,5.7,6.1,9.3,12.6,13.7,14.7,12.4,7.1,8,7.2
1975,6.4,5.1,4.7,7.3,10.3,13.4,15.2,16.2,13.2,9.6,6.3,2
1976,3.6,5.5,4.9,7.1,10.5,16.4,15.8,15.4,12,10.2,5.5,4.3
1977,4.1,7,6.3,6.7,9.7,11.8,14,13.6,12.6,11.3,6.1,5.4
1978,3.4,5.5,6.2,6.1,10.2,12.1,13.9,14.6,13.3,10.1,5.3,6.2
1979,2.8,4.8,5.8,6.7,9.4,13.5,15.5,14.3,13.5,11.3,5.5,5.7
1980,3.2,5.8,5.1,6.9,9.3,11.5,12.9,15.5,14.1,9.7,5.1,2.9
1981,4.8,2.3,8.2,8.1,9.8,13.1,14.4,16.6,13.9,11,6.6,5.9
1982,7.2,5.4,5.6,7.9,10.5,14,16.6,14.9,14.2,10.2,8.2,5.8
1983,4.5,2.9,6.1,6.7,8.8,14.1,18.2,16.5,14,10.3,8.7,4.4
1984,5.1,3.5,4,8.5,8.2,13,15.1,15.3,12.6,10.4,8.8,4.6
1985,-0.6,4.9,4.2,7.8,9.7,13,16.1,13.7,14.3,10.6,3.9,4
1986,5.1,1.1,5.1,4.4,10.6,13.8,15.8,13.9,13.6,12.2,6.6,5.6
1987,-0.7,4.5,5.3,9,9.5,12.4,15.9,16.2,15.5,11.1,7,6.1
1988,7.3,5,6,8.8,11.7,13.9,14.1,15.5,13.7,11.9,6.1,5.2
1989,3,4.4,7.7,6.5,13.9,14.6,17.6,16.6,13.8,11.9,8.2,7.8
1990,4.9,9,6.9,7.6,13.7,13.9,16.4,17.6,14.7,11.6,8,2.9
1991,4.3,2.9,8.3,6.8,10.7,12.7,15.5,18.2,15.8,9.4,6.9,3.9
1992,1.6,3.4,6.8,7.8,12.5,13.2,16.3,16.7,12.8,9.6,10,6.6
1993,5.4,3.7,6.2,7.6,11.3,14.7,14.7,16.3,12.5,9.8,4.9,7.6
1994,5.9,5.6,8.7,7.6,11.5,14.2,17.7,17.8,13.1,11.8,9.9,7.8
1995,5.1,7,6.3,8.6,11.8,14.3,17.8,17.7,12.7,13.8,7.1,6.1
1996,7.5,3.4,6,8.3,10.5,15.4,16.4,15.6,12.4,11.1,7.3,5.2
1997,3.8,7,8.1,9.3,12.5,13.6,16,18.6,15,12.3,8.7,6.1
1998,5.9,5.3,7.9,7.2,12.9,13.9,15.3,16.9,14.5,10.9,5.4,4.7
1999,5.8,5.1,7.3,8.4,13,14,17,16.8,15.2,11.7,5.9,5.6
2000,3.9,6.7,6.5,7.8,12.7,14.7,14.8,16.7,14.6,11.5,8,8.1
2001,6.5,5.3,8.7,7.8,12,14.6,15.7,17.3,12.5,13.3,5.8,2.2
2002,6,6.9,7.8,8.3,10.5,14.7,14.8,15.9,13.4,12,8.8,8.5
2003,3.4,3.5,8.2,9.4,11.4,17.2,16.8,17,14.5,10.2,8.6,6.1
2004,5.7,4.2,5.1,7.9,11.1,15.3,15.5,16.4,14.9,12.1,6.3,4.9
2005,4.6,2.5,5.5,8.3,12,16.5,16.8,16,14,13.3,6,3
2006,4,3,6.9,8.5,11.8,15.8,19.1,15.3,16.2,14.1,9.3,3.6
2007,6.6,7,6.4,11,12.1,14.1,14.6,15.4,13,10.9,5.8,4.1
2008,5.9,6.7,6.6,7.7,12,14.3,14.8,15.3,12.5,9.8,7.4,4.1
2009,2.7,4.2,6.5,7.9,12.6,15.2,15.7,16.9,15,11.8,9.4,5.2
