1901,15.5,17.7,15,10.6,7.2,2.8,2.1,4.4,8.4,10.3,15,16
1902,17.4,16,13.9,11.1,6.7,4.6,3.5,3.1,6.6,10.7,14.9,14.6
1903,15.6,15.6,15.9,10.3,6.8,3.2,2.3,3.7,6.6,10.3,12.4,13.7
1904,15.4,14.7,12.8,11.3,7.3,3.7,2.4,4.2,4.8,10.1,11.9,15.6
1905,17.7,14.7,13.5,11.4,6.9,4.3,2.6,3.9,4.6,7.5,11.2,13.4
1906,17,17.5,12.8,11,7.4,4.8,3.1,3.8,6.6,9.8,10.1,13.7
1907,15.5,14.3,12.4,10,6.7,3.7,2.6,4.5,6.7,9.6,12.6,15.4
1908,18.8,15.6,13.8,10.2,6.1,2.8,2.4,3.4,5.4,8.9,13.8,15.3
1909,14.5,14,13.2,8.5,5.5,4.2,1.9,3.6,5.4,9,11.7,12.5
1910,15.6,16.2,14,10.7,6.9,4.1,3,5.4,7.1,7.7,11.3,12.3
1911,14.3,15.6,12.6,8,7.1,2.7,2.4,5.3,7.2,8.5,13.1,13.3
1912,15.4,17,14.9,9.5,5.6,3.9,3.4,4.7,6.1,8.9,10.7,13.8
1913,15.5,16.7,11.9,10.8,5.6,3.5,3.2,3.9,5.9,9.9,9.7,15.1
1914,16.5,18,15.3,10.3,7,3.5,3,4.5,6.5,10.5,14,15.9
1915,15.6,17.3,13.8,10.9,5.5,4.2,3.7,4.4,6.2,8.3,12.7,14.4
1916,16.7,16,13.3,8.8,6.1,3.1,3,3.5,7.2,8.3,9.4,13.8
1917,16.2,14.8,13.1,8.2,5.1,3.5,3.3,3.6,6.3,8.9,10.8,14.9
1918,15.7,14.8,13,9.4,6.8,3.9,2.5,4.8,6,8,11.5,13.7
1919,15.3,17.2,13,11,7.6,4.5,3.1,3.8,6.4,10,12.6,15.3
1920,13.9,15.8,12.4,9.2,5.2,4.3,2.4,3.8,5.8,9.7,12,14.4
1921,16,16.4,12.7,10,7.3,4.1,3.6,3.3,6.2,7.9,12.7,13.5
1922,14,16.6,12.8,11.3,6.7,3.9,3.1,3.3,5.5,9.1,11.4,14.5
1923,14.8,15.9,14.5,10.7,7,4.6,3.3,3.3,5.2,8.2,8.7,14.7
1924,13.4,14.2,13.2,8.4,5.5,2.9,2.8,4.5,6.3,8.5,10.4,12
1925,13.7,13.9,12.5,9.8,6.9,4.4,1.9,3.3,4.2,8.7,11.9,13.9
1926,13.9,15.9,14.6,10.9,5.2,4.2,3.5,4.1,6.3,9,10.9,13.4
1927,16.3,15,12.7,9.4,5.2,1.7,2.1,3.2,5.4,9.1,12.8,13.8
1928,14.9,16,14.4,10.4,5.2,3.5,3.8,4.6,7.1,7.5,11.4,14.6
1929,16.2,17.4,13.5,9.5,6,2.7,1.4,3.4,6.3,8.4,10.7,12.1
1930,15.9,19.1,14.3,9.4,7.1,4.2,3.9,4,5.6,9.8,11.1,14.4
1931,14,14.7,13.8,9.4,7.4,4.1,3.2,4.3,6.2,8.7,11.6,13.6
1932,17.7,14.5,14.2,9.4,6.6,3.1,2.5,4.6,6.9,7.9,12.6,13.1
1933,14.3,14.1,14.5,10.3,6.3,4.2,3.8,3.1,6.3,9.7,11.3,14.4
1934,15.6,15.7,15.5,9.6,6.6,3.4,3.6,4.3,7.1,8.9,12.3,13.5
1935,15.3,15.4,13.2,10,5.7,3.3,2.9,5.2,5.6,9.8,12.8,14.3
1936,15.1,14.2,12.8,8,5.1,2.2,2.3,4,4.2,8.3,10,13.9
1937,13.6,14.6,12.9,7.7,5.5,2.1,1.4,4.5,6.9,9.5,12.4,13.7
1938,14.7,14.5,14.4,10.5,7.8,3.6,2.2,3.9,6.9,11.3,13.4,14.7
1939,17.9,18.4,13.5,10.3,7.3,3.6,1.1,3.9,6,8.2,10.5,12.6
1940,15.6,14.7,16.2,9.7,5.3,3.2,3.3,4.1,5.7,10.9,11.7,15.9
1941,14.7,14.1,12.1,10.3,5.4,3,2.2,2.8,5.9,7.9,11.9,14.2
1942,16.3,15.7,13.8,9.6,7.3,3.7,2.3,4.2,5.8,8.3,11,14.6
1943,14.8,14.9,14.1,7.7,4.5,2,1.9,2.8,4.7,8.4,9.6,12.1
1944,15.9,14.4,12.8,7.2,5.6,1.8,1.6,3,6.3,9.2,13,13.6
1945,15.8,13.2,11.3,8,4.7,4.1,2,4.6,5.1,9.1,11.7,14.8
1946,16.9,15.1,11.7,8.2,5.2,2.2,3.6,3.8,5.2,8.4,11.8,14.4
1947,15.6,16.6,12.8,8.9,7.3,3.3,3,3.4,6.7,9,10.4,13.6
1948,13.2,16.2,10.8,8.7,5,2.8,1.4,3.9,6.9,8.6,10.5,13.9
1949,14,13.8,12.8,8.3,5,2.2,2.3,3.8,6.1,9.8,11.2,12.9
1950,14.7,14.4,13.3,9,5.8,3.2,3.7,4.2,7.6,9.6,12.2,14.4
1951,15.2,15.5,14.1,7.3,6.1,4.7,2.7,4.1,7.4,8.7,9.9,13.4
1952,15.6,14.9,13.8,8.8,5.1,4.3,2.1,4.1,6.3,9.1,9.8,13.2
1953,14.8,14.3,14.1,10.1,6.4,2.6,2.6,3.4,5.8,8.7,11,13.8
1954,16.1,14.7,11.8,9.9,4.7,3.1,2.1,4.2,5.8,10,12.4,14.5
1955,16.3,15.3,14.1,9.4,4.7,2.8,1.8,4.1,6.4,9.7,10.4,13
1956,14.5,16.5,14.6,9.3,6.1,3.5,2.4,2.7,5.2,7.9,9.1,12.7
1957,15.1,15.6,12.5,8.7,4.2,5.3,2,4.2,6.1,9.7,12.1,15.7
1958,14.7,15.7,12.7,9.4,7.9,2.9,2.4,4.7,5.8,9.2,13.8,12.6
1959,17.8,16.9,14,9.4,4.8,3.7,3.3,4.6,6.3,9,14.6,13.2
1960,18.1,15.2,14.1,9.2,4.7,2.5,3.2,3.2,6.3,10,10.3,14.9
1961,17,15.6,14.3,10.8,5.6,4.9,3.6,4.7,6.8,11.8,12.9,14.5
1962,16.2,14.8,13.7,9,5,5,2.9,3.8,6.8,7.9,12,14.1
1963,15.5,14.5,13.4,8.1,7.3,3.7,2.9,3.7,6.8,11.7,11.4,14.7
1964,14.8,14.8,13,10.7,4.7,4.2,2.5,4.4,6.4,8.3,12.3,11.6
1965,13.5,16.4,13.3,7.9,6.6,2.4,2.5,5,8.4,10.9,11.3,16
1966,17.3,14.9,13.8,9.1,5.8,3.2,2.5,3.7,6.4,9.6,12.1,13.7
1967,16,16.4,13.2,10.7,6.6,5.7,3.5,4.3,5.9,10.7,11.8,13.3
1968,18.2,19.1,16.5,11.9,6.4,3.6,2.6,4.4,6,9.5,11.6,13.9
1969,18.2,18.3,14.5,10.6,6,3.1,3.5,4.8,4.6,10.4,12,13.1
1970,15.2,16.2,12.6,10.2,5.9,4.5,2.9,4,4.9,9.4,11.9,15.2
1971,16.5,17,15.2,10.4,6.4,3.9,2.1,3.4,5.9,8.8,11.1,14.9
1972,16,15.7,12.4,9.6,6.1,3.1,3.7,4.7,8,10.3,12.3,16.6
1973,19.5,17.2,12.7,10.4,6.3,3.9,3.2,4.4,7.9,10.7,11.7,15.4
1974,17.2,16.2,15.3,10.7,7.4,4.1,3.6,3.9,5.6,8.9,10,13.7
1975,14.6,16.7,12.8,9.7,7.3,4.2,4.8,4.3,7.7,9.6,13.4,16.3
1976,16,17.5,14.4,9.8,6.4,4.2,2.8,3.6,6.1,8.6,11.4,14.1
1977,16.4,17.4,13.2,9.8,6.5,4,2.5,5.3,5.8,10.8,13,15.1
1978,16.4,16.8,15.8,9.8,8.2,4.7,2.8,3.8,6.6,9.4,12.1,13.2
1979,19.5,18.4,15,9.2,6,5.3,3.3,4,6.5,10,13.4,15.8
1980,15.8,17.3,15,11.3,7.7,4,3.6,5.2,7.9,11.1,13.6,16.5
1981,20.5,18.5,13.6,11.3,7,4.4,3.4,4.1,8.7,10.9,12,14.7
1982,18.8,18.3,15.6,10.5,6.5,2.9,2.1,6.4,6.1,9.6,14.7,16.2
1983,16.4,20.1,17.1,9.1,7.6,3.7,2.8,5.3,7.2,10.1,11.6,15.2
1984,15.4,15.8,12,10.1,6,4.5,3.1,4.9,6,9.8,13,13
1985,16.4,16.3,16.2,11,6.7,3.7,2.8,4.1,6.7,9.7,12.2,14
1986,14.6,15.6,15.9,10.7,7.4,3.2,2.9,4.8,7.2,8.3,11.4,13.3
1987,15.3,17,12.5,10.5,6.9,4.6,2.1,5.1,7.3,9.2,12.9,14
1988,19.6,15.9,14.4,11.8,9,4.9,4.8,5.5,7.5,10.5,12.6,15.8
1989,15.3,16.7,15.5,11.8,8.3,4.2,3,3.3,6.3,8.6,12.5,14.3
1990,17.8,16.3,14.8,11.7,7.3,4.3,4.2,4.2,6.7,9.9,12.9,16
1991,18.7,17.7,14.7,9.7,7.2,7,4.1,4.2,6.7,11.1,12.1,13.9
1992,14.7,15,15.7,10.6,7.3,4.3,3.3,3.1,5.5,10,10.2,15
1993,18.1,16.8,13.3,11.1,7.1,3.9,4.9,5.7,7.2,9.5,11.9,14.3
1994,15.9,17.5,12.5,10.5,7,5.3,3.8,4.1,6,9.9,12.8,17.1
1995,17.3,16.7,12.9,8,7.7,4.8,2.7,6.3,6.5,9.6,12.3,12.9
1996,16.7,14.6,13.6,8.5,7.4,4.7,3.9,5.3,7.1,10.6,10.4,13.7
1997,16.9,19.8,13.8,10.7,7.4,4.7,3.2,4,7,10.8,14.7,16.8
1998,19.4,18,15.5,10.9,7.7,4.9,3.3,6.2,8.6,9.5,11.8,15.7
1999,19.6,17.3,15.2,9,8.4,4.7,4.4,5.9,8.5,11.1,10.9,14.8
2000,15.1,19.3,15.7,10.6,6.6,4.3,3.8,4.6,8.1,9.5,14.5,15.7
2001,19.6,18.7,14.2,10.5,6.7,5.4,4.4,5.3,8.8,9.1,11.2,13.4
2002,16.3,15.2,14.2,11.8,7.3,5.2,3.9,4.8,7.6,10.4,14.5,15.2
2003,18.4,19.2,14.5,11.1,8,5.3,3.9,4.2,6.8,8.2,12.4,16.7
2004,17.1,18.6,15.5,11.9,6.1,5.2,3.8,5.7,6.9,10.8,12.7,14.8
2005,17.8,15,13.3,12.8,7.5,5.8,4.7,4.9,7.3,10.7,13.4,15.1
2006,20.3,17.1,16.2,8.7,6.7,3.3,3.9,5,8,10.8,13.3,15
2007,18.3,18,14.4,10.8,8.6,3.4,2.6,5.7,6.5,10.8,13.9,15.2
2008,18.3,14.2,14.5,8.9,6.7,5.8,2.7,3.3,7.3,10.9,11.7,13.3
2009,18.2,16.9,14.1,9.3,6.8,4.1,3.5,5.5,7.2,9.3,15.7,15.8
