1901,15.1,16.3,14.9,9.3,8.1,8.3,4.8,4.3,8.4,10.8,12.3,15.3
1902,16.5,17.7,14.7,12.5,9.5,7.4,4.7,2.3,7.1,8.9,12.3,15.2
1903,15.7,16.7,15.8,10.5,7.3,5.9,4.8,5,8.9,8.9,12.7,14.6
1904,15.6,15.3,14.6,12.4,7,5.7,6.5,4.1,7.8,9.5,12.4,13.8
1905,15.2,15.5,15.6,10.6,5.9,5.8,3.4,4.7,7.5,10,11.9,14.9
1906,17,17.3,16.4,11.9,8.9,3.1,5.5,5.8,6.5,10.3,12.1,13.9
1907,16.7,17.3,15.2,10.8,5.5,4.6,4.4,3.7,5.5,8.4,12.5,15.9
1908,15.8,16,15.2,10.7,6.6,6.3,5.2,3.3,7,9.6,11.9,15.3
1909,16.4,15.2,13.4,11.5,5,3.6,4.7,7,7.7,8.7,10.3,13.8
1910,16.4,15.2,12.5,10.3,6.2,5.8,3.7,5.4,6.5,9.2,12.7,15.8
1911,16.8,15.9,13.3,10.2,7.2,3,4.5,3.9,5,8.4,12.4,14.7
1912,16.8,16.7,15.1,10.5,7,5.8,3.7,4.2,7,10.5,12.2,16.3
1913,16.1,18.6,13.3,12.5,8.8,4.8,7.7,5.8,7.3,9.5,12.7,14.6
1914,17.4,16,14,11.2,8.3,8.4,7.6,5.9,6.4,9.4,11.1,13.5
1915,16,16.8,12.3,11.8,7.9,1.6,4.7,5.9,6.1,9.6,12.8,15.5
1916,16.4,16.3,12.7,12.2,7.7,2.7,1.8,4.8,7.9,10.4,12.5,14.9
1917,17.3,16.4,13.3,10.5,5.3,5.4,3.5,3.4,7.1,8.7,12.2,16.6
1918,17.1,16,14.5,11.5,5.9,4.4,4.2,4.8,6.2,9.3,13.1,15.3
1919,17.7,16.2,15,11.9,10.3,5.4,5.9,4,5.8,9.1,11.5,15.5
1920,17.3,16.3,15.4,12.6,8.5,4.1,3,4.7,7.8,9.3,12.6,15.4
1921,15.3,16.4,13.7,10.7,9.2,2.3,3.4,4.5,7.5,10.1,11.5,16.8
1922,16.1,15.3,14.5,9.9,7.7,4.2,8.1,5.5,7.5,7.7,13.3,15.1
1923,17,17.3,16.4,11.5,5.6,6.2,3.2,5.4,7.6,7.8,12.2,14.2
1924,15.6,16.3,14.9,9.4,5.4,4.9,4,3.3,6.1,8.8,10.8,17.2
1925,17.1,19,16.8,10.8,5.6,3.3,3.4,6.6,7.2,9.1,13,16
1926,18.6,18.8,16.2,10.8,6.3,6,4.2,6.6,7.5,9.6,13.4,16.2
1927,17.3,18.8,16.5,11.3,7.4,4.8,5.7,6.3,6.7,9.1,12.7,14.4
1928,15.9,14.5,14.5,12.3,7.4,3.8,5.6,4.9,6.5,10.5,14.1,16.1
1929,18.1,16.7,14.6,12.9,7.5,4.6,5.5,5.4,7.5,9.4,13.1,16.4
1930,17,17,14.5,12.8,8.7,8.9,3.9,3.8,7.4,8.8,12.5,16.1
1931,17.3,18.4,15.7,10.6,4.7,3.7,4.5,5.7,6,11.3,11.5,15.5
1932,18.4,16.9,15.6,12.1,6,5.7,9.2,4.7,8.2,11.2,14.9,15.9
1933,16.3,16.3,14.4,11.9,9.8,5.4,3,7.2,7.7,11.2,12.8,15.6
1934,18.5,15.7,15.2,8.7,7.7,6.8,5.5,5.9,7,9.6,12.2,15.1
1935,16.1,16.9,16.3,9.7,10.4,6.9,5.4,6,6.5,8,13.1,15.4
1936,16.3,16.2,15.5,11.4,8.9,6.9,6.5,4.3,7.1,10.2,12.1,15.7
1937,16.3,18.1,14.4,11.3,7,8,4.3,6.1,6.9,8,12,14.7
1938,15.7,16.3,14.3,10,8.7,6.7,5.4,4.7,8.1,10.2,12.1,16.5
1939,17.4,15.8,14,8.7,8.7,8.2,6.5,7.6,7.9,12.3,10.5,13.1
1940,16.3,16.6,13.4,11.3,10.4,8.4,9,5,7.9,8.7,12.3,17
1941,16,15.3,12.7,11.9,7.6,5.6,6.8,6.7,4.4,10,12.5,15.1
1942,17.7,17,13.9,10.2,5.9,2.9,1.9,6.6,7.2,9.6,13.2,16.1
1943,17.1,18.3,14.9,10.6,8.9,7.6,7.7,2.6,7.7,11.9,12.1,15.4
1944,16.4,17.9,14.3,10.1,8.3,6,6.2,7,9.4,11.6,13.1,16.7
1945,17.1,16.5,15.5,13.2,6.9,5.1,4.2,7.3,9.1,12.2,13,15.5
1946,16,17.7,14.1,11.6,8.3,4.7,4.5,6.4,8.9,10.4,14.4,14.5
1947,16.6,18.4,14.4,10.9,7.7,8.1,4.5,4.5,7.4,10.9,14.1,14.9
1948,16.7,16.1,13.3,11,7.7,7.9,5.6,3.8,8.5,9.8,12.6,18.4
1949,17.5,16.8,14.6,12.1,8.1,6.5,5.7,5.5,7.4,8.7,14.5,16.5
1950,17.1,17.6,15.9,12.4,9.9,6.7,5.3,6.5,6.4,9.5,12.2,15.4
1951,18.2,15.8,14.2,10.3,10.2,8.9,9.3,8.4,8.2,11,14.8,15.4
1952,19.9,19.8,18,12.4,11.1,5,7.4,7.6,8.5,11.7,14.2,17
1953,18.6,20.3,17.3,12.3,10.3,8.2,4.1,8.5,10.6,10.8,14.6,17.4
1954,18.5,19.5,17.8,12.7,9.2,7.4,5.8,6.7,8.3,11.5,15.1,17.4
1955,20.6,17.5,15.2,12.3,7.9,6,4.1,7.2,9,10,17,17.8
1956,16.4,17,17.3,10.3,6.1,7.5,6.9,7.2,8.4,12.8,15.2,17.9
1957,21.1,15.9,17.1,11.5,13.1,6.2,4.5,5.4,7.2,11.1,12.9,16.2
1958,17,15.7,14.2,11.4,7.6,8.7,10.8,5.1,10,12.7,14,15.3
1959,17.4,18.3,15.4,11.4,7.8,6.1,8.1,5.5,8.4,12.8,13.6,16.5
1960,19.7,20.3,17.7,12.9,8.7,7.5,6,6.2,8.3,12,13.4,16.6
1961,17.3,16.7,14.9,9.9,9.4,5.8,4.9,8.4,7.5,13,13.7,15.5
1962,16.1,16,16.8,11.3,5.5,5,3,5.6,7.8,9,14.8,16.3
1963,17.6,18.2,15,12.8,8.5,7,8,5.9,9,10.1,11.5,16.8
1964,16.7,16.8,14,11.4,9.3,2.5,4,5.4,8.1,8.9,11.2,15.2
1965,18.5,18.4,12.5,11,7.2,10.5,5,6.6,6.7,11.1,14.3,14.8
1966,16.9,16.8,13.2,13.1,8.6,7.4,7.7,3.6,5.4,9.6,14.6,14.9
1967,16.4,17,13.5,11.3,10.2,3.9,5.7,6.9,8.6,12.2,14.4,18.1
1968,17.2,17,14.9,7.8,5.5,7.2,8.9,7.1,7.8,11.9,15.9,15.6
1969,16.5,16.7,15.2,12,10,7.1,6.9,4,8.5,9.2,14.1,17.4
1970,17.2,19.2,16.7,14,8.4,5.4,5.5,5.7,9.1,9.8,11.3,15.2
1971,16.7,15.2,14.7,9.1,6,3,6.9,6.3,10.4,10.8,14.4,16.4
1972,17.6,16.9,13.7,11,10.7,9.6,4.9,6.7,9.3,10.1,12.3,15.6
1973,16.9,16.8,16.9,12.7,7.8,7.9,6.1,3.9,6.9,11,10.8,16.2
1974,18,16.4,15.4,11.1,10.6,4.5,7.7,4.6,6.4,9.6,14.1,14.8
1975,16.7,16.7,15.3,11.4,10.4,7.4,4.5,5.9,8.3,9.5,12.7,16.7
1976,18.4,17.3,12.4,10.4,9.1,4.7,5.1,6.3,7.8,10.7,13.1,15.2
1977,18.8,17.5,15.6,11.8,6.4,7.1,7.3,6.4,9.4,13.1,13.4,17.3
1978,16.9,16.2,15.6,9.7,7.4,5.3,8.6,6.1,9.7,12,14.2,17.3
1979,19.3,19.2,15.6,12,7.7,4.7,8.1,9.1,7.9,12.1,13,16.5
1980,18.9,17.9,19.2,15.6,12,6.9,4.3,6.6,7.4,11.8,14.1,17.8
1981,16.9,18.2,14.6,12.9,12.9,5,5.7,7.8,7.8,10.4,14.4,16.5
1982,17,16.5,15.9,13.4,9.4,7.7,6.4,7.3,10.4,9.3,13.2,17.3
1983,19.1,17.3,14.5,11.4,9.2,3.6,3.8,6.4,6.8,12.6,14.5,17.5
1984,18.6,18.3,16.1,12.4,8.7,5.3,4.9,4.4,8.8,12.6,13.7,14
1985,17.5,18.1,14.8,11.3,8.9,7.8,6.7,6.6,9.1,11.4,14.9,16
1986,17.6,16.9,13.9,13.3,8,9,6.5,7.8,9.1,11,13.7,16.5
1987,17.8,18.1,16.5,13.6,6.2,4.7,8.4,7,6.8,11,14.1,15.5
1988,17.1,16.7,17.2,9.8,4.7,3.1,3.9,6.1,7.1,9.4,14,17.1
1989,19.3,18.4,15,12.6,7.9,6.3,4.5,8.5,6.9,10.9,14.1,19
1990,19.8,18.6,15.9,12.9,7.7,4.5,4.7,8.7,7.5,13.3,15.3,15.2
1991,17.2,17.7,17.2,12.3,10.5,6.6,4.8,8.3,10.4,10.8,13.8,17.3
1992,17.7,17.9,17,11.5,8.7,9.6,3.2,6.4,8.4,11,12.6,16.5
1993,18.7,16.6,16.5,13.5,8.5,6.6,4,5.5,7.2,12.4,13.3,16.5
1994,16.7,16.1,15.9,11.9,11.2,8.6,5.9,6.6,9.8,11.9,15.1,19.1
1995,17.5,16.3,14.9,11.1,8.2,5.3,5.4,5.9,8.5,10.3,15,18
1996,17.6,17.8,16.9,13.6,8.2,4.1,2.4,7.8,7.8,12.1,15.2,17.6
1997,19.9,17.1,15.7,12.8,9.9,7.2,7.9,8,8.4,12,15.1,16.1
1998,16.9,16.8,14.9,13.5,9.4,6.6,8,6.2,7.3,11.9,13.9,16.3
1999,16.7,16.8,17.7,10.3,7.7,6.2,5.2,6.7,9.8,12,13.9,16.4
2000,19.2,18.8,15.1,13.4,9.5,8.7,3.5,6.1,8,12.3,13,16
2001,18.6,19.5,17.6,11.3,8.6,8.2,6.1,10.1,9.6,13.3,13.4,16.1
2002,17.8,16.2,17.6,11.9,10.9,4.9,5.6,7.5,8.4,14,15.3,15.7
2003,17.9,16.7,15.5,11,10.1,8.2,4.8,5.1,8.7,12,13.8,14.8
2004,18.1,16,16.3,13.3,7.4,7.6,5.9,7.6,8.7,10.3,14,16.9
2005,18,17.7,15.9,10.2,9.2,10.3,6.4,7.4,7.7,10.3,15.1,15.1
2006,18.4,17.5,14.5,12.4,7,7.8,9.5,5.3,7,13.1,13.7,18.2
2007,18,18.1,16.7,13.9,6.2,4.1,2.1,4.6,11.7,13.7,11.8,15.6
2008,18.8,18.9,16.2,10.5,8.5,4.3,9.7,5.9,8.4,11.3,15.8,17.1
2009,18,17.7,17.1,11.9,9,4.2,3.4,8.1,8.3,10.9,15.8,16.7
