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