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