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