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