1901,14.4,16.6,12.9,7.8,5,2.4,2.3,4.1,7.6,8.3,13.3,15
1902,14.6,13.4,12.3,8.1,4.2,3.4,2.5,1.9,4.9,9,14.2,14.1
1903,14.5,14.8,14.2,9.1,6,3.4,3.4,2.7,6.3,8.8,12.6,13.5
1904,14.8,14.4,11.3,10,6.4,2.6,2.7,2.5,3.7,8.9,10.7,15.1
1905,17.3,13.6,11.9,10.4,5.6,4.4,2.8,2.6,3,5.2,9.4,12.8
1906,16.8,17.2,12.3,9.8,6.7,5.2,3,3.3,6.8,8.8,9.4,13.1
1907,16,13.4,11.4,7.2,5.4,3.7,1.3,3.7,5.3,7.3,12,13.8
1908,18.2,15.4,11.6,7.4,4.3,1.5,1.8,3.2,5.2,7.5,13,14.5
1909,14.8,14,12.2,5.7,4.3,4.1,2,4.5,5,8.3,11.3,11.7
1910,15.5,14.7,12.7,8.5,5.8,3.8,3,4.4,6.6,6.9,11.9,12.9
1911,14.4,14.8,11.1,5,6.1,1.8,1.4,4,5.3,6.9,11.8,12.7
1912,13.6,16.9,12.4,6.5,3.3,4.2,3.3,5.5,4.9,7.5,10.7,13.6
1913,14.4,15.6,11.7,9.1,5.1,2.4,1.8,3,5.8,8.5,9.5,14.4
1914,15.1,17.4,14,8.3,6.5,1.5,1.7,3,5.5,10.6,15.2,17
1915,15.9,16.7,12.6,9.2,7.4,3.7,2.9,5.1,6.1,7.4,8.4,13.9
1916,16.6,16,11.6,8,4.3,4.3,2.6,3.3,7.3,9.1,9.4,13.4
1917,16.8,14.4,11.9,6.3,5.5,3.7,3.5,3.7,6.4,8.6,10.2,15.6
1918,16.3,14.1,11.8,8.8,6.8,3.4,1.1,4.9,5.1,6.9,10.8,12.1
1919,15,17,10.3,9.1,6.9,2.8,0.4,3.4,6.5,8.4,13.9,14.9
1920,14.5,15.1,10.1,7.1,2.5,3.5,2.3,2.8,6.2,9.5,11.8,14.2
1921,15.2,16.3,11,7.7,7.3,3.1,2.5,2.9,6.8,7.1,12.5,13.8
1922,13.9,16,11.5,9.8,6,2.9,2.4,2.4,5.2,7.5,10.7,13.7
1923,13.6,15.1,13,9,6.2,4.7,2.7,3.1,5.1,7.5,8.7,14.1
1924,12.5,12.4,11.5,5.9,4.1,2.9,0.8,3.6,6.1,7.8,10.4,11.1
1925,14.6,13.3,10.5,7.8,7.2,3.2,1.7,2.7,4,7.3,10.8,13.3
1926,13.8,14.6,13.4,9.1,5.1,4,2.8,3.8,6,9.4,9.7,13.3
1927,15.6,13.1,10.8,6.8,4.3,1,1.9,2.5,4.8,8.4,12,13.9
1928,14.8,16.4,13.4,9.8,4.1,1.4,2.4,3,6.7,7.5,10.5,14.1
1929,15,16.8,11.5,6.7,4.7,1.9,0.6,2.1,3.7,8.1,10.4,11.8
1930,14.4,17.9,12.9,7.7,5.8,3.6,4.1,4.2,4.9,9.7,10.1,15.1
1931,12.4,13.8,12.4,7.7,7.5,4.7,3.1,3.7,5.8,6.9,10.3,12.7
1932,16.1,13,11.8,8.4,5.3,2.8,1.7,4,6.8,6.6,10,12.1
1933,13.5,12.6,11.9,7.7,5.5,3.9,3.4,2,6.8,9,11.8,13.6
1934,16.2,15.1,14,8.6,4.6,1.9,4.3,4.5,6.1,7.6,12.5,12.1
1935,14.3,13.9,11,9,4.1,3.1,2.9,5.4,6.5,8.7,10.5,13.1
1936,15.4,15,11.3,6,3.8,1.9,3.8,5,4.1,7.2,9.7,14.6
1937,13,15.2,11.8,6.5,4.5,2.7,0.6,4.7,6.4,10.4,12.8,14.6
1938,15.6,14.8,13.7,10.1,8.6,3.8,2.8,4,5.4,10,13.6,13.3
1939,19.1,17.8,13.9,10.5,7.2,4.9,1.5,4.9,5.9,7.5,10.4,10.8
1940,15.1,12.7,13.6,8.3,3.8,1.5,2.3,1.7,4.7,8.7,10.7,14.9
1941,16,14.7,11,9.9,3.9,3.4,3.3,2.7,6.2,6.2,10.9,13.5
1942,15.9,15.8,13.3,8.8,8.7,5.1,3.2,5.2,6.1,9.1,12.3,16.3
1943,15.1,15.8,13.9,8,5,3,2.9,3,6.6,8.4,10.6,13
1944,15.8,13.6,11.6,6.3,6.4,2,2.1,2.3,4.9,8.4,13.2,13.1
1945,16.1,14.4,9.9,7.5,4.6,5.8,2,5.3,4.5,8.1,11.4,14.9
1946,17,16.1,10.9,7.4,4.1,1.9,4.7,3.6,4.3,6.7,11.4,13.4
1947,14.9,17.6,12.2,8.6,6.5,3.8,4.3,3.6,6.9,7.8,10,13.3
1948,14.1,15.8,9.6,8.8,5.6,4,1.7,3.5,6.3,6.1,10.5,13.9
1949,15.1,13.7,13.9,7.1,5.9,2.8,3.5,2.9,5.9,10,11.5,12.3
1950,14.2,15.8,13.3,8.7,5.5,3.6,4.8,3.6,6.3,8.8,11.4,14.2
1951,16.4,15.5,12.9,7.1,6.7,5.8,3.3,3.9,6.3,8.1,7.7,12.8
1952,15,14.8,14,9.9,6,5.3,2.3,4.1,4.8,8.9,9.2,13.2
1953,15.6,14.7,12.8,8.8,6.8,3.9,2.8,4,5.4,7.5,9,12
1954,17.4,14.8,9.9,10.2,5.1,4.5,3.1,3.9,5.7,10,11.9,15
1955,16.6,17.3,14.8,9.7,6.3,4.5,3.1,5.5,6.9,8.8,9.1,12
1956,14.5,17.3,15.4,9.4,7,4.5,4.4,3,5.3,7.5,7.5,10.3
1957,13.3,15.6,11.3,7.7,3.3,5.6,2.2,4,4.9,7.5,9.9,14.7
1958,14.8,15.5,11.9,9.7,9.2,2.8,4,6.2,5.6,8.4,12.7,13.1
1959,18.8,16.8,13.8,8.8,4.1,4.3,3.1,4.9,5.6,8.8,14.1,12.4
1960,18.5,14.6,13.5,9.4,6.2,2.9,4.7,3.6,6.5,8,8.2,14.8
1961,17,15.4,13.5,10.9,3.8,4.6,3.6,3.6,5.1,9.4,12.5,14.2
1962,16.6,14.3,13.3,8.6,5.5,5.2,3.2,4.1,5.8,6.4,9.8,14.7
1963,16.4,14.7,14.6,8.1,9.3,5.6,4,4.4,6.7,10.7,10.6,15.2
1964,13.6,15.5,12.5,11.1,5.3,4.7,3.8,4.9,6.2,7.2,10.5,10.7
1965,13.9,15.9,11.5,7.2,6.3,2.2,2.2,4.6,7.5,10.6,9.7,15.5
1966,17.2,15,13.2,7.1,5,2.3,2.2,3.8,6,7.9,10.8,14.1
1967,15.2,16.2,12.2,9.4,5.7,5.6,3,4.3,4.9,9.9,10.6,12.5
1968,17.5,18.9,15.9,11.3,7.4,4.4,2.8,4.8,4,7,9.7,13.3
1969,17.2,18.2,14.6,9.1,5.9,2.5,4,4.2,4.7,9.1,10.6,11.5
1970,14.6,16.4,11.7,10,5.3,4.5,2.9,4,5.1,7.8,10.6,13.7
1971,16.1,17,15.8,10.7,6.4,3.1,1.5,3.3,5.4,6.6,10.3,13.5
1972,16,15.6,10.7,8,5.9,2.2,3.6,5.8,4.6,8.9,11.2,15.2
1973,18.7,18.6,12.2,10,6.7,4.3,3.5,4.6,6.9,10.1,10.6,14.3
1974,17.6,15.8,15,12.4,8.2,3,3.5,4.8,5.9,8.2,9.2,11.2
1975,13,16.4,12,8.4,7.2,3.2,5.5,4.6,8.3,8.7,11.6,16.1
1976,16,18.3,13.5,9,4.6,3.4,1.9,2.9,6.4,9.2,10.5,12.5
1977,15.9,18.5,13.1,6,7.7,4,1.8,4.2,4.1,9.1,11.1,13.7
1978,16.4,16.1,15.7,9.1,8.7,6,4.1,3.8,7.3,8,11.4,12.4
1979,18.6,17.2,14.1,8.5,6.3,5.6,2.3,3.5,6.2,8.7,11.5,13.1
1980,14.5,15.2,11.9,9.3,8.3,3.7,3.8,3.7,5.7,8.9,11.7,15.5
1981,19.4,18.4,12,9.2,7.7,5.5,4.9,4.9,7,8.9,11.4,13.9
1982,18,17.6,14.8,8.9,6.1,2,-0.2,4.5,5.1,6.7,12.1,15.2
1983,14,19.4,16,8.7,9.2,4.4,3.8,4.9,6.5,9.2,11,14.5
1984,14.4,15,10.4,8.9,5,2.8,3.4,5.8,6.1,8.4,11.8,11.7
1985,14,15.4,15.2,10.1,6.5,3.1,1.6,4.8,5,9,12,13.3
1986,13.2,14.2,14.1,9.3,7.5,2.6,3.4,4.4,6.5,7.7,10,11.9
1987,12.5,15.2,10.8,8.7,6.8,5.2,2.1,5.4,5.9,7.3,12,13.3
1988,17.9,14.2,13.6,11.4,9.5,4.9,5.2,4.4,6.4,8,11.3,16.1
1989,14.5,15.9,15.7,11.7,9,4.3,3.1,3.5,4.5,7.1,12,13.3
1990,16.4,15.9,14.5,12.1,7,4.4,5.8,5.2,6.5,8.7,11.1,14.6
1991,17.7,16.3,12.7,7.8,5.5,8.4,4.4,4.1,6.1,9.2,9.8,13.8
1992,13.8,15.8,14.5,10.4,7.1,4.4,2.9,3.2,5.5,9.5,9.9,14.6
1993,16.3,16.9,12.9,9.3,5.7,4.1,5.3,4.7,7.5,7.8,10.8,13.5
1994,14.1,17.6,11.1,8.2,6,5.1,2.2,1.5,3.6,8.2,12,16.4
1995,17.4,16.3,11.3,6.6,8.3,5.3,4.3,4.2,5.5,8.7,12,11.9
1996,15.7,13.3,12.7,6.8,6,4.1,4.7,5.5,6.2,9.1,9.5,12.1
1997,16.6,19.4,11.6,6.9,7.5,3.6,0.9,3.1,6.5,7.9,12.9,14.8
1998,18.1,15,13,9.3,6.8,4.4,3.4,5.5,7.8,7.8,10.7,14.7
1999,19.2,16.6,13.6,7,6.5,4.4,3.4,4.3,7.7,10.2,9.8,14.1
2000,14.6,18,15,9.6,6.1,4.2,3.5,4.3,7.2,8.6,14.3,14.2
2001,19.1,18.1,12.8,8.4,4.9,4.5,3.6,4.3,7.8,7.7,10.2,11.6
2002,15,15.2,12.6,10.5,5.7,4.5,3.2,3.2,5.7,8.2,12.8,14.7
2003,17.3,18.5,12.7,10.2,6.9,6.2,4,3.9,5,6.6,11.1,15.7
2004,14.6,16.8,12,9,4.5,5.2,3.3,4.5,5.9,7.8,11.4,13.7
2005,16.6,13.8,11.3,10.5,4.8,5.8,4.9,3.9,6.4,9.1,12.5,13.3
2006,19.5,15.9,13.6,6.2,3.5,0.8,3.6,2.4,5.4,7.8,11.6,14.1
2007,17.1,18.1,14.5,9.3,8.5,2.4,2.7,4.1,4,8.7,13.8,15.3
2008,18.2,14.8,13.2,6.9,5.4,5.8,3.3,2.7,4.9,8.3,12,13.5
2009,16.6,17,13.2,8.6,6.2,5.3,3.9,4.7,5.7,7.7,14.5,14.3
