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