1901,13.7,14.3,14.2,8.7,4.5,1,-0.3,2,6.2,8.1,11.7,13.7
1902,15.7,15.9,11.4,6.3,2.6,1.5,-0.4,1.1,4.4,9.7,12.7,15.1
1903,15,15.4,15.8,9,4.6,-0.6,0.8,1.3,4.4,6.8,8.5,12.7
1904,13.2,13,11.8,8,4.4,-1,0.9,1.2,4,8.4,12,14
1905,14.7,14,13.8,10.7,5.5,0.3,-1.6,0.6,2.3,5.5,10.6,13.1
1906,15.1,14.5,12.3,7.7,3.5,1.6,-1.2,1.8,6.2,7.9,9.8,13
1907,15.4,13.8,12.8,7.4,4.5,5.8,0.5,2.1,6,8.8,12.3,14.4
1909,14.5,14.9,14.3,9.1,5.1,5.3,1.5,5.2,5.7,10.3,13.1,14.8
1910,15.8,15.5,14.7,10.5,6.2,5.2,2.7,4.1,7.1,9.1,12.1,14.3
1911,16,15.9,14.3,9.5,3.2,0.2,0.4,3.8,7.2,9.2,14.2,16.2
1912,16.1,16.6,14.7,8.3,4.5,5.2,4.1,4.7,5.9,9.5,13.1,14.2
1913,15.2,15.8,12.6,11.3,7.2,4,3,1.5,5.7,10.6,10.5,14.8
1914,16.8,16.3,16.2,10.7,7.8,5.4,2.7,3.9,6.2,9.6,15.8,17.2
1915,14.4,17.3,14.4,9.9,5.3,3,4.1,0.7,7,9.3,12.8,14.1
1916,16.1,16,15,10.1,5.2,4.4,3.3,3.7,6.9,9.1,10.7,13.5
1917,16.5,14.4,14.2,8.7,3.2,1.5,1.7,2.7,6.8,9.5,12.3,13.2
1918,14.8,14.1,12.9,9.4,4.8,0.1,-2.1,4.7,5,8.5,11.5,14.1
1919,15.7,14.6,13.2,11.1,8.1,3,-0.6,0.8,5.4,8.8,13.1,14.9
1920,14.2,13.8,12.2,9.8,5.5,3.7,3.7,4.1,6.3,9,12.2,14.5
1921,14.5,13.8,14.1,10.8,8.8,7.5,5.1,2.3,7.5,7.1,13.5,14.3
1922,14.6,15.4,11.5,10.2,4,2.8,0.6,1.3,6.1,9.1,11.8,14.8
1923,15.2,15.1,13.6,10.9,5.5,2.5,1.9,2,5.6,8.6,10.2,15.9
1924,14.4,15.3,12.8,8,4.2,1.6,2.7,3.2,5.9,8.8,12.3,12.2
1925,14.8,16.1,13.7,8.9,5.6,3.7,0.9,3.5,3.9,7.9,12.5,15.1
1926,14.8,16.8,14.5,10.2,5.4,3.5,1.4,3.4,5.4,8.6,11.4,13.8
1928,13.6,16.7,13.8,9.3,3.6,0.8,2.3,3.2,4.8,9.8,11.6,13.4
1929,15.9,16.2,13.7,8.4,2.4,1,-1.2,1.9,4.4,8.9,11.1,12.7
1930,15.8,14.7,12.8,9,5.8,5.3,3.9,3.6,3.9,10.4,12.1,12.3
1931,15.9,14.3,14.6,8.5,7.4,3.8,1,3.2,6.3,7.7,12,12.9
1932,16.1,15.4,13.4,9.8,6.8,2.6,0.5,1.5,4.8,8.4,12.1,13
1933,15.4,13.8,14.2,9.2,4.9,2.3,3.5,1.6,6.9,10.1,12,13.7
1934,14,14.5,13.1,9.6,4.8,-0.2,3.2,3.4,5.5,8.7,12,12.5
1935,14.9,14.6,12.6,7.6,2.4,-0.1,0.4,3.1,5.4,9.7,12.1,14.2
1936,15,15.2,13.8,8.4,5.3,1.6,2.3,2,5.3,9.8,11.4,14.7
1937,15.3,14.3,12.8,7,3.9,1.5,1.7,4,5.9,10.3,12.7,15.1
1938,15.7,14.8,13.4,9.2,9.3,2.4,2.9,3.3,3.9,10.1,12.9,13.7
1939,16.2,14.5,14.7,10.8,7,2.9,1.1,1.8,1.5,7.7,10.5,13
1940,16,14.8,13.8,10.2,3.9,1,-1.6,1.6,5,9.3,10.7,14.6
1942,16.9,14.8,13.6,10.2,5.7,3.8,3.4,2.2,3.6,8.7,10.6,13.9
1943,14.2,14.2,12.8,8.4,5.2,-0.6,-1.5,1.3,5.8,9.5,11.7,13.5
1944,15.6,14.4,11.8,5.4,2.6,1.2,3.9,3,4.4,6,11.6,14
1945,15.6,15.1,12.8,10.1,5.4,7.3,1.5,4,3.8,6.8,11.6,13.3
1946,16.2,16.9,11.5,6.6,2.6,-1.5,-2.3,0.5,2.8,7.1,12,14.7
1947,15.7,15.2,15.2,10.4,7.6,0.1,-0.2,2.9,5.6,7.9,10.8,13.5
1948,11.9,15.4,13.9,8.2,2.6,3.5,-0.2,2.6,4.6,6.3,10.8,14.6
1949,12.7,16.1,15.3,8.1,4.6,2,0.3,1.8,5.7,11.5,11.3,13.4
1950,15.5,16,15.6,11.7,5.2,6.2,6.7,3.5,6.4,10.5,11.5,13.6
1951,14.2,15.3,14.4,6.8,4.3,6.2,0.9,1,4.5,7.6,10.6,12.5
1952,16.6,15.4,13.6,10.2,6.6,2.6,3.2,4.4,5.8,10.2,10.6,13.2
1953,14.3,14.3,12.7,10.3,4.8,0.2,-0.8,1.8,5.2,8.7,10.5,15
1954,14.5,16.5,13.4,10.2,4.8,2.8,4.3,4,5.3,9.3,11.7,13.5
1955,14.7,16,15.6,12.2,5.9,5.3,0.8,1.4,6.1,10.1,10.5,12.2
1956,13.7,16,16.4,9.7,6.5,3.6,1.9,-0.9,2.8,6.4,8.3,13
1957,14.5,15.4,12.4,9.4,1.1,2.6,0.2,3,3.2,8.1,12.2,16.1
1958,15.1,15.3,14.7,12.4,6.3,6.4,-0.2,3.8,4.2,7.5,12.2,14.2
1959,14.9,14.5,13.6,9.6,5.6,3.1,4.5,0.6,6.4,7.4,13.1,13.7
1960,14.6,15.5,12.1,9.2,4.5,-0.6,3.3,-0.5,3.9,8.1,10.2,12
1961,13,14.7,11.7,10.1,3.3,0.9,-0.4,2.7,4.8,9.4,13.3,13.4
1962,14.5,14.5,13.3,8.7,3.1,1.2,2.9,1.1,4.7,7.7,11.2,12.8
1963,14.8,15.7,15.7,10,8.2,3,0.4,3.1,3.4,8.4,10.9,13
1964,14.9,13.8,13.7,9.6,5.9,2.1,2.2,0.4,5.9,7.1,10.2,11.4
1965,13.6,13.6,11.6,9.4,3.4,3.4,-1.1,3.2,5.9,10.1,11.4,14.9
1966,14.2,15,12.1,9.6,2.4,2,-0.5,3.3,5.1,7.7,10.5,13.5
1967,15,14.9,12.8,9.8,6.4,8.3,1.2,2,4.1,11.5,10.3,12.7
1968,15.8,14.7,13.6,9.9,6.3,0.8,1.2,3,6,7.6,11.2,12.7
1969,15.6,15.2,13.9,7.3,7.7,2.8,3,4.9,3.5,10.5,10.2,13.9
1970,15.4,15.5,13,9.9,2.6,0.9,-3.2,0.5,4.4,8.3,12.1,15.4
1971,15.5,17.1,14.3,8.5,4,0.5,-0.1,3.6,5.9,9.3,9.8,14
1972,14.7,14.6,13,8.3,8,2.7,-1.7,3,5.9,9.7,13.1,14.4
1973,17.3,17.1,14.5,10.7,5.4,4.6,6.7,5.4,7.8,10.9,12.9,15
1974,16.7,15.5,14.7,12.4,7.1,2.8,1.3,2.1,3.7,9.1,10.3,13.4
1975,15.5,14.7,13.7,9.9,4.3,2.2,2.7,3.8,7.7,8.8,12.4,15.2
1976,15.3,15.5,15.2,9.5,8,3.5,2.9,1.2,4.4,8.1,11.9,14.9
1977,15.1,16.1,14.8,10.8,7.1,2.4,0.6,0.6,4.4,8.8,13.5,14.5
1978,17.2,15,14.7,7.3,6.9,4.3,1.7,2.6,5.8,7.9,11.3,13.6
1979,16.3,15,13.5,10.6,5,4.1,0.3,1.9,6.4,9.6,13.5,15.7
1980,16.4,16.3,11.8,10.2,8.3,2.6,1.4,3.1,4.3,11.3,12.4,14.1
1981,16.1,18.2,13.4,9.6,7.4,3.3,3.3,2.2,5.6,8.3,12.3,15.6
1982,17.2,16,15.6,10,4.6,-0.4,-1,3.4,5.8,7.5,12.1,15.1
1983,15.5,15.6,14.3,10.4,10.4,4.5,3.9,3.8,8,11,12.6,13.5
1984,15.8,15.5,13.2,10.1,4.6,5.1,4.4,2.7,4,9,11.9,14.1
1985,15,15.3,14.5,10,7.9,1.3,1.3,3.7,4.6,8.6,12.6,13.6
1986,14.6,14.9,13.4,9.7,7.6,1.8,4,2.2,6,8.5,11.6,12.8
1987,16.9,16.1,13.2,9.9,7.2,5.7,0.3,5.4,4.5,8.5,11,13.6
1988,15.4,13.5,12,12.1,5.8,2.8,3.7,4,7.8,10.1,10.9,15.5
1989,14.6,15.2,15.1,12.4,9.8,4.2,2.5,0.7,3.3,9.1,12.5,13.6
1990,15.8,16.6,14.3,12.7,7.3,4,2.5,2.9,6.1,8.9,13,15.9
1991,16.6,16.6,12.9,8.5,8.7,3.9,1,1.7,4,9.9,12.9,13.7
1992,15.8,17,14.2,11.3,8.1,2.2,0.7,2.9,4.6,8,10.8,13.5
1993,16.3,15.1,12.9,9.8,6.5,2.1,4.8,3.3,6.2,9.5,11.9,13.2
1994,15.9,14.7,12.7,9.3,3.6,1.5,-0.1,0.3,3.5,7.5,12.1,14.5
1995,14.8,15.2,12.5,7.6,8.2,4.1,1.9,2.6,6.2,9.4,13.1,13.3
1996,16.4,13.3,13,6.8,7.7,5.4,1.9,2.9,5.3,9.5,10.8,14.1
1997,14.1,16.3,13.8,8.2,7.5,1.9,2.2,1.1,7.6,9.6,13.9,16.2
1998,16.2,16.3,13.3,12.1,6.3,4.1,5.7,6.5,9.3,9.1,10.9,14.1
1999,15.6,15.5,14.6,8,7.6,3.4,4.7,3.6,7,11.4,10.5,12
2000,14.2,13.7,15.1,12,7,3.1,1.4,3.2,7,10.5,13,14.4
2001,15.4,15.4,14.6,9.2,4.3,1.9,1.3,0.9,5.2,8.2,11.5,14.2
2002,14.4,16.3,12.9,9.4,3.2,1.6,-2.4,1.8,5.4,8.6,12.4,12.5
2003,13.5,16.4,13,9.6,4.4,2.8,0.9,2.6,5.3,8.3,10.3,14.6
2004,17.1,17.2,14.9,11.3,4.4,1.6,1.2,2.6,5.9,10.4,12.3,14.5
2005,16.1,15.6,12.9,10.4,4.7,5.2,2.8,0.9,6.6,10.8,14.2,15.8
2006,17,16.6,13.1,7.8,1.9,1.5,1,1.3,6.2,8.7,11.1,13.1
2007,14.9,15.9,14.1,9.9,7.2,3.4,-0.2,4.1,5,9.5,12.9,15.2
2008,16.6,14.5,11.7,7.5,2.9,3.3,2.2,0.4,6.8,8.6,13,14.7
2009,16,15.4,13.5,10,5.4,3.5,1.5,2.3,5.7,8.2,12.8,15.1
