1901,1,2.5,5.4,9,13.4,15.5,16.1,15.2,13.6,10.7,6.1,2
1902,2.2,2.4,6.5,8.7,13.9,14.5,15.6,14.7,13.4,10.1,6.4,1.9
1903,0.3,2.1,5.5,9.4,12.5,15.3,15.9,14.3,13.3,11.2,6,1.6
1904,0.7,3.2,4.8,8.3,12.5,15.1,15.4,14.6,13.5,11,5.7,0.9
1905,1.6,2.5,3,7.2,13.5,15.7,15.8,14,13.9,10.7,6.2,2.3
1906,0.8,2.2,4,7.7,13,15.7,16.2,14.4,14.2,10.6,6,2
1907,1.8,2.1,4.3,7.9,12.9,14.7,15.3,15.2,13,11.5,7,1.8
1908,1.7,2.5,5,9.3,12.9,15.5,15.5,15,13.4,10.7,6.2,1.7
1909,1,2.8,6.1,8.8,12.1,15.3,15.9,14.9,14.5,11.8,7.4,2.6
1910,1.6,2.7,4.9,8.8,14,15.1,15.1,14.8,13.6,10.4,6.3,1.3
1911,1.5,2.3,5.1,8.8,12.6,15.8,15.3,14.7,13.7,10.1,6,1.8
1912,0.6,2.6,5,8.1,13.7,15.4,15.1,14.5,12.7,10.3,6,1.6
1913,1,2.9,3.7,8.1,11.5,15.1,15.7,14.6,13.2,10.5,5.5,1
1914,1.8,2.9,5.7,8.6,13.2,15.5,16.4,14.1,13.3,10,5.7,2.5
1915,1.8,3.4,5.3,9.8,12.5,14.8,15.1,14.6,13.2,12.8,7.2,2.9
1916,1.7,3.2,5.3,9.4,13.9,16,16.2,15.7,14.4,11.1,7.3,2.6
1917,0.4,2,4.6,8,12.9,15.7,16.1,15.7,14.5,11.6,7.8,1.2
1918,0.6,2.8,5.8,8.3,13.3,15.2,16.2,15.3,14.5,11.9,5.8,2.9
1919,2.1,2.6,6.9,9.7,13.7,16.6,16.3,16.5,13.1,10.9,7.3,2.7
1920,2.7,2,6.1,8.4,12.9,15.7,17.2,14.9,14.6,10.9,6.6,2.4
1921,3.5,2.5,6,11.4,14.2,17.4,17,17.1,13.9,10.4,7,4.1
1922,3.7,4.5,7.8,10,15.1,16.7,17,16.4,15.1,11.1,6.9,2.3
1923,2.5,4,6.5,9.7,13.5,15,16.5,15.6,15.1,11.6,9.1,4.7
1924,3,4.4,6.6,10.2,15.2,16.5,17,16.7,15.6,12.2,6.9,3.3
1925,0.5,1.6,5.5,9.3,14.1,16.5,16.7,17.3,14.2,10.4,6.7,1.3
1926,3.1,3.4,5.8,9.7,14.4,16.9,17.2,17,15.9,10.9,7.4,4.6
1927,3.1,4.2,6.1,8.9,13.7,17.5,17.3,17.2,14.6,11.2,6.4,3.6
1928,3.6,3.5,7.7,10.4,14.4,16.1,17.3,16.6,15.2,9.3,5.8,4.6
1929,3.8,4.2,6,8.8,15,16.8,16.9,17.9,15.8,13.5,7.7,4.1
1930,1.6,3.9,5.3,10.5,15.4,15.9,18.5,17.7,14.4,11.2,8.3,4.3
1931,1.6,5.2,6.1,11.4,16.3,17.4,16.8,18.5,14.7,11.5,7.9,4.2
1932,1.6,2,5.3,11.6,15.1,16.6,17.1,17.3,15,12,9,2.6
1933,2.3,4.6,6.3,10.6,14.7,16.2,16.8,17,15.8,13.1,8.1,4.6
1934,0.6,2.6,5.5,10.6,13.9,14.8,16.6,16.5,14.8,9.8,6.6,2.1
1935,1.4,2.8,6.7,10.3,14.3,14.7,17.5,15.5,13.8,12.4,8,3.9
1936,0.2,1.7,4.9,10.1,12.3,15.7,17.8,16.1,13.2,9.9,6.7,4
1937,1.1,3,5.7,10.6,13.2,15.3,17.9,15.9,14.9,11.9,6.7,5
1938,2.1,3.1,5.6,10.8,12.4,16.2,15.3,15.6,15.1,11,4.8,3
1939,2.5,3.3,7.6,7.7,13,14.4,16.2,15,12.6,10.5,7.1,0.6
1940,0.2,4.3,5.3,8.2,11.8,14.6,16.2,15.2,14,11,5.3,4.6
1941,3.7,5.1,7.1,8.9,11.6,13.6,15.6,14.6,11.4,9.9,6.5,5.5
1942,3.8,5.4,7.2,9.7,12.5,14.7,15.3,14,12.8,10.8,8.5,3.7
1943,3.2,1.1,6.8,8.9,13,14.9,15.1,13.6,12,10.7,7.2,3.4
1944,3.8,5,7.2,9.4,10.6,14,15.5,14.3,13.4,11.1,5.9,-0.5
1945,1.8,-0.3,5.4,9.9,11.8,16.5,16.3,15.6,14.7,9.8,6.7,1.3
1946,3.2,4.5,6.6,11.9,14.1,16,15.6,16.7,14.5,10.9,7.4,5.4
1947,2.7,3.6,6.2,9.1,15.2,15.9,16.9,16,14.9,11.1,5.5,3.7
1948,2.7,3.6,7,10.3,12.5,15.8,15.3,15,13.6,7.9,5.6,1.8
1949,0.1,2.5,6.5,9.5,12.4,15.8,15.3,15,13.9,10.4,7.5,2.2
1950,1.8,0.5,6.8,9.5,13.2,14.6,15.1,14.2,13.4,11,5.1,0.8
1951,0.6,2.6,6.1,9.4,11.9,14.1,15.6,15,11.9,9.9,5.2,1.8
1952,1.6,3.7,5.6,8.7,13.7,14.3,15.5,14.8,13.8,11,4.9,-0.1
1953,1,2.7,6.4,9.6,12.2,14.4,15.8,15.1,12.6,10.4,5.7,1.8
1954,0.2,3,4.2,9.4,13.4,15.2,16,15.2,14.3,10.6,5.4,2
1955,0.1,3,6.4,8.7,13.3,14.6,15.7,14.7,14.1,11.2,5.6,0.4
1956,-0.6,2.6,6.3,9.7,13.1,15.1,14.8,14.8,12.6,9.7,6.3,1.5
1957,1.4,1.7,5.1,9.1,12.1,13.8,16.3,14.2,13.1,8.3,4.6,1.8
1958,1.3,2.4,7.2,10.3,14,15.9,15.9,15.4,12.7,9.9,5.4,2.5
1959,1.3,2.9,5.5,9.6,12.3,15.5,15.9,15.6,13.3,11,4.5,2.4
1960,1.6,3.6,6.4,8.8,12.8,16,15.8,15.6,13.5,10.4,5.2,3
1961,1.2,3.4,5.4,9,12.8,15.9,16.4,15.7,13.1,11.9,5.7,1.8
1962,1.1,3.7,4.9,9.3,12.9,15.3,16.7,15.5,12.8,11.5,4.8,1.1
1963,-0.4,1.2,5,8.9,13.6,14.8,16.3,15.5,13.7,10,5.4,1.9
1964,0.8,1.2,4.6,9.8,13.9,15.4,16.3,15.3,14.4,11.9,6.9,1
1965,0.5,2.3,4.2,8.9,12.8,15.5,15.7,14.3,13.6,11.2,5.3,3.7
1966,2,2.8,6.4,9.5,13.3,14.3,16.3,15.5,12.5,10.3,6.7,2.1
1967,1.6,2.4,5.6,7.5,13.6,15.7,16.2,15.3,13.5,9.9,5,1.4
1968,1.1,1.4,6.6,8.5,13.1,15.3,16.5,16.7,14.9,12,6.2,2.9
1969,0.6,2.4,6.4,8.6,14.4,15,16.1,15.1,12.6,10.4,5.7,2.7
1970,0.1,2.9,5.3,8.1,13.6,14.6,16.4,15.1,13.3,8.5,5.9,2.7
1971,0.1,1.4,4.7,8.5,12.6,15.8,15.5,14.6,13.7,8.6,3.2,2.1
1972,2,1.9,5,7.6,12.5,15.4,16.2,14.7,13,10.5,6.1,2.3
1973,1.5,3.3,4.8,9.9,14.6,15.8,15.3,14.8,13.8,11.2,7.2,2.6
1974,-0.8,1.5,4.5,8.1,13.1,15.3,15.7,14.9,13.4,11.5,8.4,1.4
1975,1.7,2.8,5.6,9.7,13.6,15.9,16,14.6,13.2,11.3,6,-1.1
1976,0.5,3.8,4.3,8.5,13.4,14.7,15.4,15,13.2,10,5.7,1.3
1977,0.9,1.3,5.8,9.9,13.3,15.3,16.5,15,13,10.3,6.2,2.2
1978,1,2.1,5.2,7.7,12.8,15.5,15.8,14.6,13,9.1,5.3,1.5
1979,0.2,2.3,6.1,9.4,13,15.1,16.2,15.7,14,9,4.6,2.7
1980,0.4,2.5,5.3,9.2,13.2,15.8,16,15.3,13.7,11.7,5.5,3.1
1981,1.7,2.6,5.7,8.5,12.8,15.8,16,16.3,14.1,11,7.5,2.2
1982,1.2,2.3,5.3,7.8,13.2,15.1,16.7,15.5,14.2,11.2,5.9,0.6
1983,0.3,2.3,4.7,8.5,13.5,16.1,16.5,15.3,14.1,12.2,7.5,0.6
1984,1.3,2.9,5.7,10.3,13.5,15.8,16.3,15.2,12.7,10.1,4.9,2.8
1985,0.8,2,4.8,9,14,15.8,15.5,15.8,13.9,10.1,5.7,2
1986,1.6,2.4,5.3,9.6,13.9,16.5,15.4,14.6,12.7,10,5.9,3.1
1987,2.6,3.8,7.1,10.5,14.3,16.3,16.3,15.7,14.1,11.3,7.5,1.7
1988,2.5,3.2,6.3,9.6,15.2,15.5,16,15.7,13.4,11.6,6.8,3.5
1989,1.4,3.4,5.8,10.2,13.5,15.9,15.7,14.7,14.8,11.8,6,1.6
1990,1.5,3.1,6,9.3,12.1,15,16,15.3,14.3,11.5,7.1,3.4
1991,1.2,4.3,6.8,9.3,13.3,16.1,16.7,15.3,14.7,12.1,7.4,2.2
1992,1.4,2.7,6.6,9.8,13.6,16,15.8,15.4,13.9,10,4.4,1.1
1993,1.8,3.7,6.6,8.9,13.2,15.7,17,16.4,14.4,10.9,5,2.8
1994,3.2,4.2,6.1,11.5,14.8,16.3,16.1,15.6,15,11.1,6.7,3.9
1995,3.3,3.4,6.8,11.2,13.9,16.7,16.6,15.9,14.5,12.4,7.2,3.9
1996,2.5,4.1,7.4,10.8,14,15.5,16.8,15.8,14.1,11.9,8.8,4
1997,2.9,4.3,7.5,8.8,14.1,16,16.3,16,12.8,11.5,7.3,5.1
1998,3.8,5.7,8.5,11.5,15.1,16.8,17.3,17.1,14.5,12,8.4,4.8
1999,3.6,4.9,7.2,11.2,13.5,17,16.6,16.2,14.9,13,7.7,2.7
2000,3.1,3.7,7.8,11.6,13.4,16,16.9,16.6,14.5,12.6,5.4,4.4
2001,4,3.9,6.3,9.2,13,15.8,17.1,16.9,15.7,13.2,6.5,4
2002,4.4,6.3,8.6,11.8,13.8,17.3,16.6,15.4,13.5,11.5,7.9,4.6
2003,3.3,5.1,8.5,11.4,15,16,17.4,17.3,14.8,12.7,7.4,5.3
2004,3,4.8,7.5,10.7,13.7,15.7,16.1,16.8,14.8,11,7.1,2.9
2005,3.4,6,6.3,12.1,15.3,16.6,16.9,16.4,14.9,12.1,7.9,4.9
2006,3.8,6.4,9.1,11.4,12.5,15.8,16.9,16,14.1,12.6,7.3,4.5
2007,3.7,4.9,8.7,9.6,12.5,16.5,16.6,15.8,13.1,11.3,7.5,5
2008,3.4,2.5,7.8,11.3,13,14.5,15.1,15.7,14.5,12.3,6.2,4.4
2009,2.6,6.4,8.6,10.9,13.8,15.3,16.7,16.2,15,11.8,5.3,4
