1901,2.6,-0.2,4.2,7.6,9.4,15.8,17.2,17.8,14.9,8.8,4.7,1.4
1902,1.3,4.2,5.1,8.1,8.5,13.2,17.5,17.4,13.9,8.6,6.2,3.4
1903,2.2,3.2,5,6.5,9.6,13.4,16.8,18.4,14.1,11,6.6,2.6
1904,2.7,4,3.5,6.9,11.6,14.8,18.5,18.7,13.9,10.3,5,4.5
1905,1.7,1.1,6.3,8.2,9.1,14.4,17.3,17.7,13.7,8.9,5.3,2.1
1906,3.3,2.6,3.9,5.5,9.4,14.4,16.8,18.6,14.2,10.3,5.4,2.9
1907,1.6,1.9,3.9,7,8.7,14.7,15.6,17.3,13.8,9.1,6,4.7
1908,3.2,3,2.8,5.2,10.5,12.5,16.3,17.3,14.9,10.9,7,3.8
1909,0.9,0.7,4.9,7,10.1,12.4,15.5,17.8,12.7,10.3,6.3,4.6
1910,1.9,5.3,4,6.9,9.3,14.4,16.8,17.6,14,10.6,6.8,4.1
1911,0.6,2.8,4.3,5.8,9.8,13.7,17.3,18.4,15.8,10,6.1,4.6
1912,2.9,5.5,6.4,6.7,11.2,14.3,16.3,16.5,12.9,9.4,4.9,1.4
1913,4,2.9,4.5,6.8,10.5,14.5,16.9,17.1,13.4,10,7.8,2.9
1914,0.8,4,6.1,7.3,9.8,12.4,16.3,16.8,14.8,10.1,5.4,2.7
1915,1.9,2.2,4.3,5.1,10,14.2,17.2,18.2,13.6,8.8,5.5,3.9
1916,1.9,3.2,3.7,6.6,10.2,13.3,16.5,18,13.5,10.3,5.7,3.6
1917,1.8,3,3.5,5,9.9,13.7,17,17.1,15.2,8.7,4.9,0.1
1918,2.3,2.2,3.5,5.5,9.8,13.4,16.8,16.7,14,7.8,4.8,2.6
1919,0.4,4.2,4.7,5.4,8.9,12.9,15.5,17.1,14.3,8,3.8,1.5
1920,2,2.5,3.7,7.1,9.7,13.6,16.2,16.3,13.7,9.4,4.5,1.7
1921,1.8,2.8,3.9,5.6,9.2,13.5,17.3,17.5,15.7,11.8,5.1,2.4
1922,2,3.2,4.2,7.6,10.4,13.4,16.4,17.3,12.5,10.2,4.8,1
1923,0.3,3.1,5,5.1,9.9,11.1,17.6,18.3,12.6,12.5,4.8,1.4
1924,2.3,0.9,5,7.1,12.6,15.1,17.7,17,14.6,10.9,5.8,1.6
1925,-0.3,1.7,1.7,6.2,9,13.1,15.3,16.9,13,8.7,3.9,2.8
1926,2.3,5.1,4.9,7.2,9.4,13.4,17.1,17.1,15.9,11.3,4.4,1.3
1927,1.1,1.2,4.5,7.1,11.2,13.4,16.5,18,13.6,9.4,3.7,1.6
1928,0.5,2.8,4.7,5.9,7.7,14,17.2,17,14.7,9.9,4.1,0.5
1929,-0.6,3.1,3.9,6.6,9.1,14.5,17,16.9,14.7,9.3,5.4,3.5
1930,4.1,0.6,4.9,6,10.5,13.8,16.5,18.3,14.8,11.9,6.5,4.7
1931,2.5,2.6,4.8,7.9,10.5,15.8,17.9,17.8,13.5,10.6,6.1,0.9
1932,1.3,1.2,5.8,6.1,10.3,13.1,15.5,17.3,15,9.2,6.4,3.8
1933,1.4,2.9,5,8.1,11.4,13.1,17.9,19.6,15.6,11,3.8,0.4
1934,0.4,1.4,3,6,10.8,15.4,18.2,17,15.5,9.9,3.5,4.7
1935,0.2,1.6,4.7,6.4,8.5,14.4,18.3,17.7,15.7,8.8,5.3,4.2
1936,4.4,5.3,5,7.1,8.5,12.8,16.6,17.3,15.4,8.1,4.7,0.9
1937,3.2,5.1,4.6,8,10,14.5,17.5,18.5,14.1,11,8.1,2.8
1938,1.4,0.8,3.8,6.4,8.5,15.2,17,17,13.2,10.8,6.9,3.1
1939,4.1,2.7,3.2,6.1,7.8,12.8,16.5,16.5,14.8,9.3,5.5,2.4
1940,2.2,5.3,7.2,7.1,9.4,12.5,16.2,17.1,13.9,8.4,4.9,0.3
1941,1.6,4.1,5.3,6.9,8.7,13.1,16.6,17,14.9,9.7,4.9,1.4
1942,2,0.6,6.3,8.1,10.9,14.5,17,17.2,14.6,11.4,6,3.1
1943,3,2.2,4.7,8.2,11.4,15.7,16.8,17.9,14,9.4,3.9,2.7
1944,-0.5,-0.6,3.4,7.7,10.3,14.8,16.5,18.1,14.8,7.9,4.9,1.3
1945,-0.6,2.8,4.5,8.6,11.9,15.5,17.8,17.2,16,10.6,7.4,3.8
1946,0.7,2.7,4.3,7.4,9.1,13.8,17.1,17.9,15.5,11.7,6.2,1.8
1947,2.3,4.2,6.9,7.8,10.4,15.7,18.5,18,15.1,11.5,7.1,1.6
1948,3.7,4.1,6.4,7.8,10.8,15.2,16.4,17.9,14.7,10.7,5.9,4.1
1949,2.6,2.7,4.6,8.9,8.8,15,18.2,18.9,16.2,11.1,6.7,4
1950,2.2,3.9,4.4,6.5,10.2,15.2,19.6,18.9,15.3,11.4,7.5,1.7
1951,1.5,2.7,4.4,6.1,8.6,14.3,17,16.5,14.6,8.4,4.8,4.1
1952,0.2,1.7,5.8,7,10.8,15.8,18.3,17.7,13.5,10.4,5.8,2.4
1953,0.3,1,4,7.3,10.8,13,17.2,17.7,14.2,9.9,6.9,3.7
1954,1,1.6,4.6,5.7,9.8,13.3,16,15.9,13.6,9.8,7.4,3.7
1955,5.7,4,3.7,6.3,11.5,14.9,18.2,18.1,14.7,9.8,6.3,5
1957,0.1,3.7,5.4,6,9.1,12.9,16.9,17.5,15.1,9.4,5.1,1.9
1958,2.3,4.3,5.1,5.5,10.5,14.2,16,17.2,15.9,10.1,6,4.8
1959,3,3,6.5,6.8,10.7,14.2,18.4,18.1,15.4,11.3,6,4.3
1960,2.7,4.1,6.2,6.6,10.6,15.7,18,17.9,14.7,8.6,6.4,2
1961,2,3.8,3.5,8.1,11.5,14.7,17.8,18,16.1,10.4,6.1,3.4
1962,2.9,2.3,5.1,7.5,10.2,14.1,18.3,18.1,16.5,11.9,4.6,1.7
1963,2.6,2.5,4.6,6.4,9.1,13.9,17.6,17.1,13.6,9.9,7,3
1964,2,3.8,5.4,5.8,11.3,14.9,18,18.2,17.1,9.8,4.8,2.5
1965,1.7,1.3,4.9,6.6,10.4,14.4,17.3,17.1,12.8,11.2,6.6,4.2
1966,4.7,5.2,3.2,7.6,9.9,14.1,16.9,18.1,15.7,10.1,3.6,2.3
1967,1.3,3.5,5.2,5.4,9.6,12.9,17.1,17.7,14,11.4,6.9,1.6
1968,1.5,3.5,3.9,6.7,8.9,13.8,17.4,17.1,14.2,10.5,5.7,4.1
1969,2.9,1.3,4.8,6.6,10.6,12.7,17.1,17,13.1,10.5,5.6,1.6
1970,3,2.6,2.6,5,8.9,13.4,16.6,17.6,15.3,9.2,6.8,0.6
1971,1.4,1.8,1.9,7,8.6,12.1,17.3,17.3,14.8,11.4,3.7,2.2
1972,0.9,2.6,3.6,5.7,8.5,12.7,16,15.7,12.8,9.5,7.1,2.5
1973,1.5,1.1,2.1,4.8,10,14.3,17,18.3,15,9.5,6.5,2.5
1974,2.3,1.3,4.6,5.7,10.7,14.7,17.3,17.5,15,8.6,5.3,2.2
1975,2.4,3.5,4.2,5.2,8.4,13.4,17,17.9,12.9,9.6,5.2,2.5
1976,0.5,3.6,4.2,5.6,9.9,15,17.9,18.1,13.8,9.2,3.4,3.7
1977,4.3,5.8,5.6,6.8,9.7,13,16.3,15.8,14.9,11.9,8.2,5.5
1978,3.4,5,5.5,7.1,10,14,15.3,18.1,15.3,10.5,6.6,5.4
1979,6.1,5.3,5.5,6.6,10.3,15.4,18.8,18.1,13.1,11.6,5.2,4.1
1980,3.1,4.3,6.1,6.4,10.9,14.8,16.4,18.7,17.2,10.3,6.3,2.4
1981,1.6,2.5,7,8,10.3,15.4,17,17.5,15.4,11.2,7.7,5.8
1982,4.6,5.4,5.6,7.4,10.9,17.1,18.6,18.3,15.7,10.5,7.1,3.8
1983,1.6,2.4,5.7,8,10.8,15.6,18,17.9,16.6,11.9,9.2,4.1
1984,3.8,3.3,4.1,8.7,10,14,18.1,18.2,15.4,9.8,8,4.7
1985,1.7,6.1,5.4,8.7,10.5,16.4,19.6,18.1,16.9,12.5,7.2,4
1986,3.6,5,5.8,7,12.4,15.5,18.8,19.1,16.9,12.9,7.2,3.4
1987,3.2,4.9,6.6,9.2,11.4,15.4,19.4,19.5,17.4,12.7,7.7,6.2
1988,5.9,4.6,6.5,8.9,12.2,15.5,18.7,20,15.7,12.1,8.4,3
1989,3.2,5,6.4,7.9,11.8,16.5,20.3,20.7,16.5,12.5,9.5,7.2
1990,4.1,5.9,7.4,7.8,12.1,16.2,19.8,21,18.7,12.3,7.2,3.7
1991,3.2,3.7,7.4,7.1,9.3,15.7,19.5,19.8,17.2,10.2,6.1,4.6
1992,2.3,2.4,5.6,7.9,12.6,13.4,19,20,16.5,10.9,7.5,5.2
1993,1.6,4.2,5.4,7.5,11.8,16.5,18.8,19.7,14.5,10.3,6.8,4.4
1994,2.7,4.4,6.1,7.9,12.7,16.4,20.1,21.3,13.8,12.4,8.3,4.1
1995,3.7,5.4,6.1,7.4,12.4,15.7,19,19.7,14.4,13,9,6.5
1996,6.1,4.5,5.9,8.7,11.7,16.7,18.8,19.1,14.6,9.8,7.1,4.5
1997,4.7,5.1,5.8,9.5,11.7,16.2,17.9,19.8,17.1,14,8.9,5.4
1998,5.2,6.2,7,9.5,12.5,17,20.6,20.5,17.3,10.2,7,2.3
1999,2.7,3.2,6.5,8.8,12.9,16.7,19.9,19.7,16.6,12.9,5.8,4.4
2000,0.5,4.9,5.1,8.5,12.8,16.4,18.8,18.5,15.6,10.4,6.5,4.3
2001,4.8,4,7.5,8.8,11.7,16.4,18.3,19.7,16.2,13.2,5.9,1.9
2002,3,3.2,6.3,7.7,11.1,15.8,18.2,17.7,15.9,11.9,8,6.1
2003,3.4,3.6,5.7,7.9,11.7,18.6,19.6,20.6,16.4,12.6,7.7,4.1
2004,4.2,3.5,5.9,7.3,11.4,16.9,19.2,20.1,16.1,12.1,6.1,4.7
2005,-0.4,1.8,4.8,8.2,12.5,17.3,19.3,18.7,15.1,12.4,6.5,3.3
2006,2.8,3.2,6.9,9.4,12.9,15.9,19.8,18.4,15.7,12.7,8.7,3.8
2007,2.5,6.3,5.9,8.6,11.9,16,18.9,19.1,15.9,11.5,5.5,3.8
2008,3.6,5.7,5.8,8.8,11.1,15.3,19.1,19.4,15.7,11.6,5.3,2.9
2009,3.1,3.4,5.4,7.3,12.3,16.5,19,19.8,15.6,12.4,8.6,4.1
