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