1901,3.7,1.8,3.9,9.2,14.1,14.9,19.8,16.3,13.5,8.6,5.8,2.2
1902,3.4,1.1,6.6,9.1,9.9,14.8,15.1,14.5,13.4,8.5,7.4,3.8
1903,2.6,6.3,5.8,7.1,12.6,14.8,15.1,14.4,12.7,9,5.9,2.1
1904,4.4,1.2,4.5,8.9,11.9,15.8,17.2,15.6,12.7,9.6,5.2,3.7
1905,4.5,4.1,5.7,7.2,13.1,16.7,17.6,14.8,12.7,7.9,4.3,3.1
1906,3.8,1.7,4.3,8.8,10.3,16.7,16.5,16.8,14,10.1,7.6,2.8
1907,3.8,3.3,7,8.5,11.6,12.1,14.8,13.1,13.7,10.5,6.7,3.1
1908,3,4.7,3.7,6.7,12.8,16.5,15.9,14.5,12.6,11.9,7.7,4.7
1909,4.3,4.6,3,9.1,12.3,13.8,15.7,16.3,12.4,9.1,4.5,2
1910,3,3.7,6.8,8.1,13.6,15.3,15.2,16.3,13.3,10.4,3.7,5.9
1911,4.8,4.5,5.5,9.5,15.2,15.2,19.1,18.3,13.6,8.6,5.8,5.1
1912,2.1,3.8,6.6,10.3,12.1,13.9,16,12.7,11.4,8.8,4.9,4.5
1913,2.7,4.6,4.9,8.2,11.5,15.4,16.6,15.8,13.4,10.1,7.6,3.2
1914,3.5,5.8,4.6,10.2,11.7,16.2,16.8,17,13.9,9.7,5.9,1.6
1915,2.4,2.7,4.9,9.1,11.2,15.8,14.9,15.8,13.1,8.5,2.4,2.1
1916,6.2,2.7,2.2,8.8,11.9,12.6,16.5,17.1,12.7,8.9,6.6,2.4
1917,0.9,1.8,2.4,6.4,14,15.1,17.1,16.4,13.2,6.7,7.6,2.6
1918,2.5,6.2,5.7,8.4,14.3,14.9,16.5,16.5,10.3,9.1,5.1,4.4
1919,2.3,1,2,8.5,14.3,14.7,15.8,15.6,12.4,9.1,2.4,3.3
1920,3.2,5.9,6.9,7.6,12.4,15.2,13.8,14.3,12.4,10,7.7,2.6
1921,4.5,4.9,6.2,9.6,12.3,16,18.1,14.8,14,12.6,4.7,6.8
1922,3.1,5,5.6,6.3,12.9,14.1,13.8,13.7,11.9,8.4,6.3,4.3
1923,6.1,4,6.2,7.6,9.3,13.3,17.2,14.8,11.8,8.8,2.8,3.1
1924,4.1,4,3.5,8.3,11.1,14.3,15.8,14.2,11.8,9.5,7.1,6.5
1925,4.4,3.5,4.7,7.9,12,16.6,18.1,15.7,10.9,10.3,3.5,1.1
1926,4.1,4.9,6.1,10.1,10.9,14.7,17.6,16.4,13.4,7.2,5.1,4.5
1927,3.7,4.6,7,8,10.8,12.2,16.8,16.1,11.3,9.8,4.9,0.3
1928,4.1,5,4.7,9,11.9,12.5,15.7,15.4,12.1,9,6.4,2.6
1929,0.7,1.1,7.8,7.6,13.1,14.1,16.5,15.3,14.7,8.4,5.9,4.4
1930,3.5,-0.2,4,9.1,12.2,16.4,16.4,16.3,12.9,9.6,4.8,3.8
1931,2.2,2.8,2.6,7.9,11.9,13.6,15.7,14.2,11.6,9.2,6.9,5.8
1932,6.2,4.5,4.7,7.1,10.7,15.1,16.3,16.3,12.6,7.4,5.6,4.9
1933,2.1,3.3,6.8,9.9,12.2,16.5,18.5,17.2,14.6,9.5,5.2,2.9
1934,4.9,5.7,4.2,7.2,12.5,15.5,18.4,15.4,13.6,9.7,5.8,6.3
1935,4.2,4.4,6.3,7.8,11.1,14.6,17.3,17.2,12.4,8.8,5.5,1.4
1936,2.1,1.7,5.8,7.3,12,15.5,15.8,16.9,13.5,9.7,5.7,4.8
1937,4,2.4,1.4,8.9,12.6,14.8,15.9,16.5,13,9.4,5.2,0.5
1938,4.1,4.4,9.4,9.4,11,13.7,14.9,16,12.9,9.6,7.1,2.9
1939,1.7,5.1,5.2,7.9,12,15.1,15.3,16.8,13.6,7.9,6.6,2.9
1940,-0.4,2,5.2,8.2,13.3,17.6,14.7,16.1,11.5,8.7,5.7,3.8
1941,-0.8,1.9,3.7,7,10.8,15.7,17.1,15,14.7,9.9,5.5,5.2
1942,1,1.2,3.3,9.7,12.2,14.9,16.3,16.3,12.9,9.4,5.4,5.7
1943,2.9,6.7,7.1,10.6,12.8,15.4,16.7,15.3,12.7,10.7,6.1,4.4
1944,5.5,3.7,6.4,10.4,11.8,14.5,16.6,17.5,12.4,9,4.4,3.7
1945,0.4,6.4,8.8,10.5,12.3,15,17.6,17.1,14.7,11.9,6.9,5.4
1946,2.8,4.7,5.9,10.9,13,14.8,16.5,15.2,13.4,8.5,6.8,3.3
1947,2.4,-2.6,1.2,8.3,14.1,15.7,17.5,19.9,14.1,11.1,6,3.7
1948,1.7,4,9,9.9,13.1,14.4,16.2,14.3,13.4,9.6,7.8,4.9
1949,5,6.1,5.9,10.6,12.8,16.5,17.3,16.9,14.8,11.1,6.2,4.2
1950,4,3.2,7.8,7.7,12.8,16.8,16,15.7,11.7,9.3,4.4,0.6
1951,2.2,2.3,3.1,7.1,10.9,14.9,16.8,14.8,13.3,10.6,7.3,4.7
1952,0.7,4.1,5.6,10.4,14.2,14.5,16.8,15.3,10.8,8.2,3.4,2.7
1953,4.6,5.2,7.6,7.5,13.7,16,15.9,16.4,13.9,10.4,8.2,5.8
1954,3.3,1.8,4.8,9.5,13,14.2,14.8,14.9,11.9,10.4,6.2,5.3
1955,1,-0.3,3.7,10.9,11.2,14.9,20.1,18.8,14.3,9.2,7.4,3.6
1956,1.9,1.6,5.8,8.3,13.5,14.4,15.4,13.4,13.4,9.7,6.7,5.7
1957,5.3,3.4,8.1,10,11.9,16.4,15.7,15.3,11.6,10.6,6.5,4.3
1958,2.7,3,2,8.8,13,14.6,16.2,15.6,15,11,6.8,3.1
1959,1,5,6.5,9.6,14.8,15.8,17.4,17.8,15.1,11.9,6.6,3.5
1960,3,2.8,4.2,10.5,14.3,17.4,15.9,15.3,13.2,8.8,5.6,2
1961,2.7,6.1,9,9,12.4,14.5,15,15.3,13.8,9.9,4.7,1.1
1962,3.7,4.3,3,8.9,11.4,15.5,15.4,14.6,11.6,10.3,4.7,2.9
1963,-1.4,-0.2,6.2,8.8,11.2,15.7,15.4,14.1,13.1,10.8,5.3,3.2
1964,4.5,4.1,3.2,9.3,13.3,14.8,16.1,15.2,13.5,9,6.9,3.4
1965,2.2,4,4.7,9.4,11.8,15.3,13.8,15,12.1,10.2,2.9,2.2
1966,1.7,2.4,6.9,5.6,12.4,15.2,16.5,14.6,13.8,9.4,4.8,3.5
1967,4,4.9,5.9,9.3,10.4,16.3,16.1,16.3,13.1,9.2,6.5,4.8
1968,3.7,1.2,6.1,9.1,9.5,16.5,15.1,16.6,13.1,11,4.9,2.7
1970,2,2.2,4.1,6.9,13.2,17.2,14,16.7,13.3,9.7,5.6,4.1
1971,3.8,5,6.7,9.1,13,13.8,17.2,15.7,15.1,11.3,6.2,7.3
1972,2.7,2.8,5.8,9.3,11.2,12.9,17.2,15.5,13.1,10.9,5.9,4.7
1973,3.6,4.2,8,7.3,11.5,15.6,17,16.3,13.4,8.9,5.5,4
1974,5.5,4.9,4.9,11,12.2,15.1,15.2,15.6,11.8,8,5.8,6.6
1975,5.3,3.8,4.8,8.6,12.4,16.7,17.3,19.4,12.6,10.2,6.5,6.5
1976,4.4,4.1,4.2,9.7,11.5,17.4,19.4,18,12.4,9.3,5.5,0.7
1977,2,2.2,6.3,7.3,12.1,15.1,18.1,16.5,12.9,10.8,4.6,4.5
1978,2.1,-0.6,6.3,6.6,14.4,15.3,15.5,15.6,12.8,11.7,8.1,2.8
1979,0.1,1.3,3.1,7.3,10.5,16.1,16.5,14.9,13.4,10.1,6.5,3.6
1980,1.2,3.6,3.9,10.5,15,15.4,15.3,15.7,13.9,8.3,6.1,5.2
1981,4.3,3.2,6,10,12.7,14.1,16,17.5,14.1,7.2,6.7,-0.1
1982,1.5,4.7,6.1,10,12.8,14.7,18.9,16.3,13.4,9.4,6,3.3
1983,5,1.7,6,6.7,9.5,14.7,19.5,19,12,10,6.8,5.6
1984,0.8,3.2,4,9.9,13,15.6,19.2,18.8,12.2,10.5,5.8,4.4
1985,0.2,2.8,3.8,8.4,11.9,13.7,15.7,14.4,12.2,10.9,2.8,4.5
1986,2,-1.3,4.8,6.5,11.2,16.2,15.6,13.3,12.8,10.4,7.4,3.6
1987,0.5,3.4,3.4,10.2,11.3,12.2,16.6,15.7,12.4,7.9,5,4.7
1988,3.4,3.7,5.1,8.5,12.7,17.5,14.9,15.4,13.2,8.9,6.2,7.3
1989,7.2,5,6.3,6.7,13.7,15.2,19.9,16.2,13.7,11.2,5.9,2
1990,5.1,5,7.4,9.2,13.8,14.9,16.9,17,12.8,10.1,5.4,3.7
1991,2.5,2.2,6.8,8.1,13,13.1,17.5,17.6,14.5,9.2,6.2,4.9
1992,4.6,5.5,5.8,8.4,14.1,17.1,16.2,15.4,12,7.6,6.7,3.4
1993,4.4,5.1,6.3,8.9,11.7,14.6,15.3,15.3,12.3,8.2,4.5,2.9
1994,3.4,1.6,5.5,7.9,12.4,15.2,17.5,16,12.7,9.8,8.6,4.9
1995,3.4,4.4,4.6,9.1,12.6,16.5,18.6,19.5,13.5,12.2,7.2,1.8
1996,4,2.6,3.8,9.2,10.6,16.4,17.3,17.6,14.4,11,4.5,2.7
1997,3,4.8,7.7,10.4,12.2,14.5,17.9,19,14,10.3,7.8,4.7
1998,4.1,6.5,6.7,7.7,12.9,14.5,16.1,16.1,14.1,8.5,5.5,4.7
1999,3.4,3.4,6.5,9.8,13,14.6,17.6,15.7,15.6,10.4,7,2.5
2000,4.1,4.1,6.9,7.9,13.7,14.5,16,16.7,14.1,9.9,5.8,4.1
2001,3,2.5,4.3,8.1,14.5,14.2,16.5,16.9,12.6,11.8,6.8,3.1
2002,4.8,4.1,6.8,10.2,13.1,15.8,15.8,17,14.6,8.8,7.3,4
2003,3.3,4.6,7.7,11.7,12.8,17.3,18.7,18.7,14.7,9.1,7.7,3.9
2004,3.3,4.1,6.6,9.9,14,16,16.5,17.6,14,9.2,6.7,4.6
2005,4.6,3.2,6.4,9.9,11.8,15.9,17.1,16.5,14.4,11.1,5.8,4.4
2006,4.2,4.1,3.5,9.1,12.8,17.1,20.3,16.4,15.6,11.7,7.1,4.7
2007,4.7,4.9,6.9,12.1,12.2,15.3,16.6,16.3,13.8,11.4,6.8,4.1
2008,3.7,5.9,5.3,8.5,14.5,15.4,17.7,16.4,13.3,8.9,5.7,3.3
2009,2.9,3.5,6.7,10.7,13.2,16.6,17.9,16.9,14.1,10.7,6.6,2
