1901,14.3,12.7,11.4,11,8.9,6.4,4.3,6.3,7.1,8.7,12.1,13.5
1902,12.8,12,13.7,11.7,8,4.7,4.2,5.9,7.4,8.5,10.9,11.8
1903,14.4,13.1,10.1,8.9,8.7,7.1,5.7,6,7,8.2,11.6,11.5
1904,12.8,12.2,12.3,10.7,7.1,7.2,5.2,5.7,7.5,9.1,11.1,13.7
1905,12.6,12.2,11.7,10.9,9.6,4.9,4.5,4.2,6,7.7,11.5,14.4
1906,14.8,14.1,12.1,11.4,8.8,6.8,5.6,6.1,5.7,8.7,10.4,14
1907,12.9,14.6,11.8,9.5,7.3,6.9,6,6.6,7.2,8.5,9.5,11.8
1908,13.4,13.1,11.6,10,7.6,4.7,4.9,4.6,5.5,7.6,10.7,13.7
1909,14,13,11.8,9.7,7.3,6.5,3.4,6.8,7.3,9.4,10.6,13.5
1910,14.1,14.5,12.1,10.8,8.8,6.8,6.1,5.7,7.4,6.6,10.6,12.3
1911,14.4,12.7,12.2,9.9,7.1,4.9,6.3,6.1,6.4,8.9,12.9,12.8
1912,14.8,16.4,14.5,11.4,9.6,5.7,6.8,5.8,7,9.4,11,14.9
1913,13.3,14,11.8,11.4,7.6,7.2,5.6,7.3,7.3,9.4,11.9,12.9
1914,13.8,14.1,12.7,9.3,7.8,5.5,5.4,6.3,8,12.6,12.1,14.1
1915,13.5,14.4,11.5,11.3,9.7,9,7,6.7,6.6,9.1,11.6,13.2
1916,13.3,13.6,13,8.4,8.5,6,4.3,4.9,8.6,8.2,11,11.7
1917,13.2,11.8,12.7,10,6.9,6.8,6.8,5.2,6,7.3,10.3,11.6
1918,14.4,14.4,11.7,12.1,8.7,7.6,5.7,6.1,9,8.3,12.8,12.7
1919,13.9,13.9,14.1,10.5,7.2,7.3,8.1,6.9,5.4,8.1,11.3,12.8
1920,14.4,13.1,12.5,9.7,8,7.4,4.4,6.1,7.4,8.9,12,12.7
1921,13.7,16.1,13.2,10.4,11.3,6.9,7,6.3,7.1,8.8,10.1,13
1922,13.6,14.6,13.8,11.1,7.3,6.7,4.5,6.1,6.7,8.2,11.8,10.8
1923,13,15.3,13.8,12.1,9,7.5,5.3,5.8,6.9,8.6,11.7,13.1
1924,12.6,12.4,11.5,11.5,8.7,6.5,5,4.9,7.7,7.7,10.5,12.9
1925,12.6,12.8,14.5,10.7,8.8,6.6,3.8,5,5.9,7.8,12.9,14.2
1926,15,13.2,12.5,10.3,7.8,5.5,7,5,6.9,9.5,11.8,12.2
1927,12.3,13,13.2,10.7,6.4,6.2,5.4,6.6,8.4,9.7,12.1,14.4
1928,13.4,12.8,12.8,10.4,7.3,6.8,5.3,6.1,7.7,8.3,11.9,13.8
1929,12.3,14.7,11.8,9.5,9.2,6.5,5,6.1,6.7,8.9,11.5,13.2
1930,13.9,14.7,15.6,11.2,9.5,9.9,5.6,7.1,8,8.6,11.6,13.6
1931,13.6,12.6,12.8,10.6,7.5,4.8,8.1,6.7,6.6,8.3,10.4,15
1932,16.5,14.1,12.6,10.8,9.8,6.5,8.3,5.1,6.9,8.8,11.3,12.8
1933,12.8,15.1,13.2,9.7,7.2,8.1,5.4,6.2,7.9,8.5,11.1,13.8
1934,15.9,15.9,14.3,10.5,10.4,7.1,5.6,6.5,7.2,7.3,9.6,13
1935,13.5,13.5,13.1,9.6,8.7,6.1,6,6.2,6.3,8.1,11.7,12.8
1936,13.9,14,14.6,10.7,7.5,5.9,5.4,7.1,8,8.6,13.1,14.6
1937,13.8,14.2,14,11.4,9.1,5.6,4.3,5,7.2,9.5,12.3,12.6
1938,13.1,13.5,13,11.8,8.7,6.5,6.6,6.4,8.9,8.9,12.7,14.8
1939,14.7,14.8,12.9,11.5,9.2,5.9,6.6,5.9,8,9.3,10.5,13.8
1940,13.5,14.2,13.9,8.9,7.6,7.8,5.8,6.5,8,10.4,10.6,13.2
1941,13.7,14.2,11.9,10.8,8.9,8.2,6.8,7.2,7,8.3,11.5,14.3
1942,13.7,13.3,13.6,11.1,9.5,6.8,5.2,6.2,6.3,7.7,10.7,13.6
1943,14.3,13.7,14.9,11.1,8.7,7.6,4.3,4.7,6.8,8.9,11.2,13.3
1944,15.2,14.4,14,11.1,7.7,7.1,7,7.2,7.9,10.2,13.1,12.2
1945,14.3,15,14.5,14.6,10.8,9.2,6,7.1,7.4,9.4,11.6,13.6
1946,13.8,13,12.6,11.9,9.2,7.2,7.4,5.6,8.6,10.2,10.5,14.2
1947,15.3,16.3,14.3,11.7,9.7,8.9,6.3,5.8,6.9,8.7,11,13
1948,15.5,15.7,15.3,10.2,7.7,6.7,6.4,7.1,7.5,9.6,10.4,12.7
1949,15,14.5,13.1,12,8.2,7.2,8.6,7.5,7.4,8.8,11.5,14.9
1950,14.8,14.6,14,12.4,11.2,7.3,6.3,6.9,7.9,8.5,10.9,14.3
1951,15.8,15.2,14.4,11,8.8,9.1,6.4,4.4,8.7,9.3,12,13.5
1952,14.7,14.6,13.4,11.4,8.1,8.7,4.5,6.8,6.6,7.9,9.9,11.3
1953,14.2,14,15.7,12.6,10.4,7.8,5.7,6,7.6,8.8,10.3,12.6
1954,15.6,14.2,14,9.3,7.4,6.6,7.1,6,7.8,9.8,10.6,13.8
1955,15.2,16.8,14.3,11,8.1,6.5,5.6,6.2,6.7,7.8,10.2,11.9
1956,14.9,16.1,14,9.9,8.9,5.6,6.2,3.4,5.8,7.5,10.8,12.6
1957,15.5,14.5,13.8,11.2,8.3,10.4,5.2,6.9,7.2,10.1,12,14
1958,15.8,15.6,15.4,12.3,10.3,8.2,6.8,6.6,6.6,8.2,11.5,15.6
1959,15.5,15.3,15.6,12.7,10.9,9.2,6.7,7.4,7.9,9.9,11.3,12.3
1960,14.1,15.4,13.3,10,8,5.9,6.3,5,7.1,9.6,10.7,13.9
1961,17.1,16.4,16.1,11.6,9.1,7.9,7.1,6.9,9.2,9.8,11.3,14.2
1962,15,14.8,13.3,12.1,9.7,8.6,5.6,6.8,7.1,8,11.7,14.3
1963,15.5,15.3,14.8,11.1,9.5,7.4,6.5,6.7,7.9,10.4,11.9,14.4
1964,14.6,14.5,13.5,10.6,7.7,9.5,6.9,5.9,6.2,7,10.3,11.8
1965,15.2,14.7,13.8,13.1,8.6,7.7,7,5.9,6.9,10.7,11.6,14.5
1966,15.1,14.8,13.9,11.1,8.4,6.2,6.7,5.5,6.8,9.1,12,12.4
1967,14.1,15.2,12.8,13,9.3,8.1,5.8,5.7,6.8,10.8,11.6,13.6
1968,15.3,14.9,12.6,10.6,6.2,8.2,5.9,4.8,6.1,8.4,9.5,13.2
1969,14.2,14.2,13.3,11.2,9.5,6.8,5.1,6.2,5.7,9.5,11,12.3
1970,13.1,14.8,13.4,9.9,8.4,7.1,6.1,5.2,7.5,8.3,11.1,13.5
1971,15.3,15.2,14.4,12.1,8.5,6.9,5.8,5.6,6.8,7.9,10.1,11.4
1972,14.6,15.4,13.8,11.3,10.7,7.9,6.4,6.3,7.3,9.5,12,15.5
1973,15.5,14.9,13.9,12.6,9.5,6.7,7.6,5.9,6.6,9.2,11.7,12.9
1974,15.5,14.3,15.4,11.2,9.6,7.3,6.9,6,7.7,9.2,10.8,14
1975,13.6,17.2,12.9,12.1,8.5,6.7,7.1,5.8,7.1,8.8,11.6,13
1976,14.5,15.5,14.2,11.9,9.5,6.8,6.7,6.6,8,10.1,10.1,13.1
1977,15,15.6,12.8,10.7,8.6,7.6,6.5,7.3,7.4,9.7,11.5,15.4
1978,15.9,15.8,14.6,12.7,9,6.9,6.3,6,6.8,8.4,11.3,13.8
1979,15.5,16.2,14.7,10.7,7.3,7.8,6.2,5.7,6.8,9,11.9,13.7
1980,14.7,13.6,14,10.6,9.3,6.9,6.3,6.3,7.4,7.2,12.8,13.3
1981,14.4,13.3,12.6,12.9,9.2,6.2,5.8,5.8,8.2,9.6,10.6,12.3
1982,14.3,14.8,12.4,10.3,8.7,6,5.3,7.9,7.6,9.5,13.6,14.6
1983,15.6,15.9,14.2,12,9.6,9.2,6.3,8.1,8.8,10,11.6,13.9
1984,14.5,14.9,12.8,12.3,9.5,6.6,6.8,6.3,6.7,10,11.6,12.3
1985,14.2,17.3,15.2,11.1,8.5,8.6,7.3,6.9,8.3,8.9,12.3,12.2
1986,14.8,14.2,13.1,10.3,9.1,6.7,5.3,5.3,7.8,7.3,10.9,11.3
1987,13.2,13.7,13.6,12.2,7.9,7.9,5.8,5.8,8.2,9.2,10.2,13.9
1988,13.1,13.5,14.8,11.5,10.4,8.7,5.4,6.6,8.1,9.1,10.7,13.4
1989,14.7,15.4,14.2,12.2,9.4,7.5,6.2,5.4,8.1,8.5,12.6,13.6
1990,14.8,14.4,15,11.7,10.2,6.1,5.4,6,7.9,10.1,11.6,12.8
1991,14.7,15.7,13.4,12.5,10.4,8.8,7.1,6.5,7.9,10.7,10.9,14.9
1992,14.5,16,16.2,12.3,9.5,7.7,7.3,5.9,7,9.5,9.8,12.1
1993,14.5,14.3,13.4,11.6,9.1,6.8,6,5.3,7.2,7.9,12.2,13.1
1994,13.5,14.2,14.2,11.7,9.5,6.3,6.5,6.2,7.7,9,11.6,13.6
1995,15.9,15.8,13.7,9.9,8,6.9,6.7,6.3,7.8,9.2,10.7,13
1996,13.9,15,12.6,11,10.2,7.4,7.1,5.3,7.7,9.3,11.4,13.1
1997,15.8,16.5,13.7,12.2,9.7,8,4.4,5.1,7.8,9,10.9,13.8
1998,14.7,13.3,13.9,10.9,10,6.8,5.6,7.6,7.3,8.2,11.3,13.5
1999,15.5,14.7,14.3,12,10.7,7.1,7.1,5.5,8.3,8.2,10.7,13.2
2000,14.6,15.2,13.1,10.7,7.9,7,7,5.9,8.2,8.7,12,14.7
2001,16.4,14.8,13.3,11.3,9.3,7,6.4,6.3,7.6,7.7,11.2,11.1
2002,14.9,12.4,13.1,11.9,10.2,7.3,6.3,5.5,6.7,9,10.7,13.1
2003,14.7,17,15,13,10,6.6,5.9,6.2,6.8,9.2,12.3,12.8
2004,14.5,16.2,13.3,12,8.2,8,6.3,6,6.3,9.7,11.4,14.2
2005,14.3,15.4,16.7,11.9,11.4,7.7,4.7,5.9,6.3,8.2,10.2,11.3
2006,14,13.7,13.1,9.7,8.9,4.6,5.2,7,7.7,9.2,12.1,12.8
2007,14.3,15.5,12.6,11.6,8.2,5.6,7.1,6.3,6.8,8,10.6,12.5
2008,14.9,14.4,12.8,11.2,9,6.6,5.3,4.7,7.5,9.7,11,13.3
2009,15.7,15.1,12.8,10.7,7.3,6.4,5.9,6.3,6.2,9.7,11.7,13
