1901,12.8,15.6,13.3,9.8,4.8,1.3,0.8,2.1,5.4,8,11.7,13.2
1903,14.1,15,15,9.9,5.5,2.6,1.6,1.7,5.3,7.4,9.8,12.6
1904,13.3,12.5,12,9,5.8,0.6,2.2,1.3,3,7.6,10.7,14.4
1905,15.3,14.6,13.1,10.9,5.9,2.9,0.5,0.6,2,3.8,9.7,12.3
1906,15.2,16.3,12.3,9.3,5.8,4,0.2,2.6,5.3,7.8,8.7,12.6
1907,14.5,14,12.4,6.5,3.9,2.9,0.9,2.5,6.4,9.9,11,12.7
1908,15.3,13.1,11.8,8,2.1,-1.1,-0.8,0.1,2.1,6.6,10.2,11.7
1909,13.9,12,11.3,6.9,5.2,2.2,-1,2.4,4,7.2,9.5,10.7
1910,13.7,12.5,10.9,7.8,5.8,2.5,1,2.4,5.6,7.2,8.6,10.9
1911,14.1,13.6,9.8,4.9,3.3,-0.1,1.5,1.9,5.2,6.2,10.4,12.2
1912,12.3,13.1,12,5.9,3.3,2.6,3.8,2.6,4.1,6.2,10.9,12.6
1913,14.7,14.6,11.5,9.1,4.8,2.8,0.5,-0.2,3.8,7.9,9.3,11.6
1914,14.7,14.7,13,7.1,4.5,1.7,1,1.4,4.3,8.9,14.1,14.9
1915,14.4,16.6,13,9.2,5.2,2.6,2.2,3.1,5.5,7.5,10.8,12.7
1916,15,13.4,11.2,9.7,3.1,4.8,2.5,2.5,5.1,7.8,8.4,13.1
1917,14.9,12.4,10.9,6,2.5,2.1,2.2,1.7,5.5,7.7,10.3,13
1919,15.1,14.2,13.3,8.1,8.3,4.6,1.8,2.2,4.5,8,12.6,15.5
1920,13.5,12.7,9.9,8,2,3.7,4,2.7,6.3,7.6,11.2,13.1
1921,13.6,13.4,12.1,9.6,7,3.4,3.8,0.9,6,5.9,12,13.4
1922,12.3,14.2,10.5,9,4.5,2,1.1,2.2,5.2,7.9,10.9,13.8
1923,13.8,14.5,13.1,10.1,5.8,3.9,2,1.8,3.7,6.6,8.6,12.5
1924,12.8,12.3,10.7,7.5,3.8,1.4,-0.2,1.5,4.3,7.5,9.3,9.7
1925,13.2,13.2,11.2,7.8,6.6,3.3,0.1,2.1,2.4,6.3,11.2,13.1
1926,13.5,16.9,13.8,9.5,5.4,3.6,1.9,2.8,3.3,6.9,10.1,11.8
1927,14.6,11.9,11.3,7.6,2.5,-0.7,-1.8,0.1,3.7,7.9,11.6,12.5
1928,12.5,15.7,12,11.1,2.5,1.4,2.3,3.2,5.1,7.6,9.7,13.4
1929,15.9,15.4,12.2,6.4,3.2,0.9,-1.9,1.5,3.6,8.9,9.3,13
1930,14.1,15.1,12.2,8.4,4.7,5.9,3.8,3.8,3.5,10,10.5,13.3
1931,13.4,14.1,13.7,9.4,6.1,3.2,2,1.7,4.1,6.6,10.2,12.3
1932,16.2,14.1,12.8,8.4,5.3,1.1,0.1,2.4,6.4,7,10.7,11.6
1933,14.2,12.8,13.2,8.2,4.8,2.2,4,1.1,6.6,9.3,11.2,12.5
1934,13.7,13.8,11.2,8,4.2,0.4,3.1,4.5,5.7,6.8,10.5,11.1
1935,13.1,12.1,10,6.9,1.7,0.3,1.1,1.6,3.9,7.5,9.8,12.8
1936,13.8,13.7,10.9,6.6,2.9,-0.1,2.2,3.2,3.3,7.4,9.8,14.2
1937,14,12.1,10.9,7,2.9,2.9,-0.2,3.1,5,9.7,10.6,14.8
1938,13.9,12.8,13.4,9.1,6.6,1.9,1,2.9,4.4,10,13.3,13.8
1939,16.9,16.2,15.1,10.7,6,3.4,-0.5,2.7,4,7.5,10.5,12.5
1940,15.8,15.9,13.1,10.7,3.9,1.6,0.6,2.1,5.4,8.4,10.2,14.3
1941,13.8,12.9,12.8,8.4,3.5,2.5,1.6,1.2,4.9,7.1,11.5,12.7
1942,15.8,14.5,13,8,7,3.4,2.3,2.8,4.3,8,11.1,13.8
1943,13.1,13.5,12.9,7.8,5.7,1.5,-0.7,2.1,4.3,7.2,9.8,11.9
1944,15,13.6,10.7,5.1,4.6,1,2.2,3.5,4.7,8,12.3,13.6
1945,14.8,13.8,10.8,8.7,4.6,5.7,1.3,3.7,4.8,6.7,11,13.4
1946,16.4,16.4,10.9,8.2,3,1.6,2.7,1.6,4.6,6,12.9,14.3
1947,14.9,16.1,12.8,9.3,6,3.4,2.6,3,5.7,7.6,10,13.4
1948,11.7,15.3,11.1,7.9,4.3,3.5,-0.7,1.6,5.7,6.6,10.1,14.2
1949,13.1,14.9,14.5,6.5,4.9,2.3,1.3,1.9,6.4,9.6,9.8,12.6
1950,14.4,15.4,15,10,6.6,6.3,5.9,3.5,6.2,10.3,10.6,13.7
1951,14.2,14.9,14.4,7.2,4.6,5.9,2.2,2.3,6.1,7.4,9.7,11.9
1952,14.9,14.5,12.3,10.2,5.8,4,2.1,5.1,4.8,9.5,9.3,13.3
1953,14.2,13.7,12.5,9.8,6,1.7,1.1,2.5,5.8,7.7,9.9,14.2
1954,14.9,14.8,10.8,10.2,3.9,2.2,1.8,2.9,4.5,8.3,11.7,13.6
1955,15.4,16.2,15.6,11.6,6.4,4,1.3,3.6,5.5,9.6,9.7,12.5
1956,13.7,16.5,15.8,9.7,6.7,4,2.7,2.4,3.4,7.5,8.3,12.7
1957,14.4,15.3,11.3,8.9,2.7,2.3,0.9,4.1,3.9,8.3,11,15.2
1958,15.1,14.4,13.2,10.7,7.9,4.5,2.4,5.1,4.6,8,11.9,14
1959,16,15.7,14.6,9.8,3.9,3.3,3.3,3,6.1,8.1,14.7,13
1960,17,15.5,12.4,9.7,6.1,2.6,3.2,2.3,6.1,7.9,9.5,13.2
1961,14.1,14.9,12.6,10.2,3.8,3.4,2.1,3.9,5.3,10.6,13.4,14.4
1962,14.7,14.3,12.4,8.7,5.3,3,2.3,3.4,5.5,6.9,10.4,13.1
1963,15.3,14.5,14.4,9.1,9,4.5,2.3,3.3,4.9,8.9,9.9,13.8
1964,13.7,13.3,13.1,10,4.2,3.7,2.3,2.7,5.6,6.8,10,10.8
1965,12.7,14.7,11.6,8,3.9,1.4,0.7,2.8,6.9,9.2,10.3,14.2
1966,14.5,13.8,12.3,8.4,2.7,1.6,0.6,3,5.5,8.1,11,13.8
1967,15,14.7,11.5,8.8,4.2,7.9,1.5,2.8,4,10.5,10.8,12.5
1968,16.3,16.4,14.9,9.9,6.7,3.1,1,3.8,4.1,7.7,11.2,13
1969,16.8,16.6,14.8,8.9,6.2,4.1,2.2,5.1,4.2,9.4,11.1,12.2
1970,14.5,14.9,11.8,9.5,3.9,2.7,-0.6,1.8,5.2,9.2,10.8,14.3
1971,14.6,16.1,14.2,8.9,4.7,2.1,0.2,3.1,5.2,6.2,9.3,13.1
1972,13.8,14.1,12.2,7.3,6.6,1.7,1,3.6,4.9,9.4,11.1,14
1973,16.2,16.8,13.4,9.9,5.2,4.5,5.5,3.8,6.3,10.6,11.4,14.8
1974,16.1,14.6,13.3,12.9,6.6,2.8,3.1,2.5,4.1,8.3,9.7,11.2
1975,13.6,14.4,12.3,7.9,4.5,3.7,2.2,3.6,7.1,8.3,11.9,15.5
1976,15.2,16.2,14,8.4,3.5,3.4,1.7,1.5,3.9,8.5,9.5,12.5
1977,14.9,16.1,13.4,7.7,6.2,3.2,0.5,1.2,5,7.6,11.4,14
1978,16.5,14.9,14.6,8.3,6.1,4.8,2,2.2,6,7,10.8,12.4
1979,16.4,15.8,13.2,8.9,5.4,2.9,0.2,1.3,5.5,8.2,12.1,14.2
1980,15.2,15.1,13.1,8.7,8.4,4,2.5,1.9,4.8,9.9,12.4,14.4
1981,17.6,17,12.1,10.2,6.7,4.2,2.7,3,5.4,9.2,10.9,14.2
1982,16.2,15.4,14.2,9.1,3,1.7,0.3,1.9,4.8,7.2,11.2,14.6
1983,15.8,17.4,15.3,10.4,7.8,3.7,1.6,3.4,6.2,8.8,11.2,13.5
1984,14.4,14.4,10.8,9.3,4.4,2.8,3,3.4,4.1,8.1,11.6,11.7
1985,13.5,13.6,13.2,10.7,6.6,1.4,1.5,3.1,4.8,8.4,11,12.9
1986,12.4,13.9,13.1,8.7,6.5,1.2,2.6,2.9,5.5,6.8,10.1,11.5
1987,15.9,16,11.9,8.9,6.3,4.5,0.7,6,4.7,7.7,10.8,13.6
1988,15.8,13.1,12,11.3,6.8,3.4,3.8,3.1,6.8,8.3,11.1,15.7
1989,14.1,14.3,15.1,12.6,9.8,5.2,3,2,3.6,8,11,13.5
1990,15.5,15.5,13.3,12.6,7.1,3.2,3.7,4,5.1,7.6,10.3,15.3
1991,16.5,16.9,12,8.1,7.9,6.9,3.1,2.6,4.5,8.8,10.6,12.9
1992,14.5,15.1,13.4,9.9,5.9,2.4,1.8,2.6,4.5,8.6,9.4,13.5
1993,16.1,14.7,12.2,8.6,5.5,2.9,5.1,3.3,5.4,7.5,10.2,13
1994,14.5,15.7,11.7,8.3,4.7,3.5,0.7,0.9,3.1,7,12,14.6
1995,15.1,14.2,12,7.4,9,4.4,2.4,3.2,6.3,8.8,12.5,12.3
1996,15.7,13.1,11.9,7.3,7.8,4.6,3.2,3.8,6.1,8.3,9.8,12.6
1997,13.6,16.8,12.5,7.3,7.6,1.9,0.5,1.2,6.9,7.6,13.2,15
1998,16.6,15.4,13.7,10.9,7.7,4.4,3.6,5.9,7.8,7.7,10,13.5
1999,16.2,14.5,13.8,8.8,5.6,4.4,4,2.9,6.2,10,9.1,13
2000,13,15,15.7,10.3,5.6,2.2,1.9,2.8,5.8,8.4,13,13.7
2001,16.2,16.9,13.4,9.5,5.4,2.3,2.9,2.3,6.1,7,10.5,12.8
2002,14.4,15.3,12.2,11.3,5.4,3.1,-0.2,1.9,4.2,9,12.8,13.5
2003,14.9,17.4,12,9.8,7.1,4.5,2.6,2.6,4.9,7.2,9.7,14.1
2004,16.1,16.5,13.1,9.5,3.6,2.7,1.9,3.3,5.2,8.6,10.3,13.8
2005,15.4,13.8,11.6,10.3,4.8,4.4,3.5,1.6,6.3,9.7,12.2,14.3
2006,18,16.1,14.3,6.7,2.8,-0.1,1.9,1.4,4.6,7.1,10.4,12.4
2007,14.1,15.1,13.4,8.5,5.7,2.5,1.7,5.4,4.9,7.8,11.8,13.6
2008,15.3,13.8,10.7,7.7,2.5,5.1,1.1,0.9,5.3,8.6,10.8,13
2009,14.4,15,12.5,10,5.4,4.2,2,2.5,5.4,7.6,12.3,13.4
