1901,14.1,14.1,13.1,10.6,7.1,6.1,4.8,6.2,7.6,10.2,11.9,13.5
1902,14.4,14,12.8,11.2,7.4,4.8,3.5,5.5,6.8,9.8,11.6,13.7
1903,14.5,13.9,12.5,10.9,7.9,5.1,5.1,5.6,7.2,10.2,12.2,13.8
1904,15.3,14.8,12.9,11,7,5.4,3.6,6.2,7.9,10.1,12.5,14.8
1905,15.6,13.8,13.6,10.4,6.7,3.4,2.6,5.4,7.1,9.1,11.5,12.7
1906,14.2,13.9,11.3,9.3,4.8,3.9,3.5,6,7.1,9.7,11.8,12.5
1907,13.8,14.2,12.7,10.4,7,4,4.6,4.5,6.8,9.3,11.6,12.2
1908,14.1,15.3,12.8,9.4,7.3,6.1,4.2,5.9,7.6,8.9,10.2,12.7
1909,14.4,13.6,12.3,9.7,5.6,5.3,4.2,5.4,6.8,9.9,11.3,11.7
1910,12.8,14.3,13.6,10.4,7.7,5.4,5.3,5.3,8,10.8,12.5,14.4
1911,13.8,14.1,12.9,9.4,7.1,6.8,5.7,5.9,7.8,10.2,11.7,14
1912,15.4,13.6,13.3,11,6.3,5.2,5.7,5,7.5,10.3,10.1,13.2
1913,15.1,13.3,12.6,10.7,6.6,3.7,3.7,5.6,8.4,9.2,11.2,13.8
1914,13.8,13.9,13.4,10.7,7.3,4.3,4.2,6,6.9,9.3,10.6,13.9
1915,14.2,13.6,13.7,8.5,5.4,4.1,4.6,4.2,8,10.4,11.8,13.1
1916,15.3,14.5,12.9,10.3,6.6,5.2,4.9,6.9,6.8,10.2,12,13.7
1917,14.3,14.6,13.2,11.7,8.6,5,6.3,6,7,11.2,13.2,13.3
1918,14.7,15,12.9,10.3,6,6.6,4.9,4.3,7.6,11,11.2,14.7
1919,15.4,14.9,12.8,10,7,5.9,6.1,7.7,7.8,10.1,11,14
1920,14.9,14.4,12.2,11.4,7.2,5.8,5,7,7.4,9.2,12.1,13.6
1921,14.5,13.8,13.5,11.3,5.5,6.1,5.9,5.2,7.8,10.9,12.1,13.6
1922,13.8,13.8,12.5,10.6,7.4,5.2,6.2,6,7.8,10.2,13.4,14.7
1923,15.1,14.9,12.3,9,8.3,4.1,2.9,5.2,7,8.4,10.9,12.3
1924,15.2,12.9,13.2,9.3,7.2,6.1,4.1,6.1,7.9,10.9,11.6,13.9
1925,13.6,14.3,13.3,9.9,8,4.5,4.5,5.7,6.3,9.1,12.4,14.6
1926,13.6,14.7,12.6,9.3,8,4.9,4.6,6.8,7.1,8.7,12.4,15
1927,14.2,13.7,13,11.2,7.4,5.1,4.8,5.3,6,9.4,12,13.5
1928,13.7,13.2,12.5,10.1,6.5,4.3,4.4,6.9,8.8,10.4,11.3,12.5
1929,13.7,14.1,12.6,11.2,7.6,5.6,5.5,4.6,7.6,10,11.5,11.7
1930,14.1,14.1,11.4,11,7.3,3.1,3.2,4.9,8.2,9,12.8,13.6
1931,14.3,13.7,13.2,10,6.9,5.4,3.9,6.4,5.8,9.1,10.4,13.3
1932,14.2,14.2,12.5,9,6.6,4.3,2.7,5.5,7.4,10.1,12.1,13.3
1933,13.6,14,13.2,10.7,7.3,4.6,5.6,5.9,8.4,10,10.8,11.8
1934,15.8,11.9,12.1,10.3,6.1,3.9,4.4,6.4,7.5,11.4,11.9,12.7
1935,13.1,12.8,13.4,8.5,8.7,5.3,2.7,5.3,5.7,8.7,11.8,12.3
1936,14,14.4,12,10.3,4.8,4.9,5.2,5.5,7.2,9.5,12.3,14
1937,14.3,12.8,11.7,10.1,7.6,3.9,2.9,4.1,7.6,9,11.7,12.7
1938,12.1,12,12,10.7,6.9,5,4.3,4.9,6.5,10.2,11.5,12.9
1939,13.8,13.5,12.3,9.8,6.2,3.6,4.3,3.6,7.3,9.5,10.3,13.2
1940,13.4,14.8,13.3,9.3,6.9,5,5.7,6.4,8.2,11,12.8,12.9
1941,14.8,14,12.8,8.1,6.9,6,5.8,6.2,7.1,10.1,11.3,13.7
1942,14.6,15.7,11.9,10.6,5.5,5,5.5,6.2,5.8,9.6,12.6,16.1
1943,14.8,14.7,13.8,11.7,6.5,6.6,6.2,6.3,8.1,11.3,11.8,14.6
1944,13.9,14.2,14.4,10.5,7.7,3.4,4.6,5.7,7.7,10,12,13.9
1945,15.1,14.8,13.6,9.8,6.8,4.5,4.3,6.6,8,10.4,11.3,14.6
1946,15.2,13.4,12.6,11.3,8.2,5.7,4.5,4.1,7,10,11.1,12.5
1947,12.2,13.5,12.4,10.3,7.1,4.5,5.2,6.6,7.6,11.4,13.4,12.6
1948,13.6,13.3,11.4,10.6,6.9,5.5,3.4,4,7.1,9.6,10.9,13.3
1949,14.1,13.3,12.2,9.7,6.3,5.1,5,5.3,7.9,10.2,12.2,12.1
1950,12.5,14.6,13.3,10,5.7,5.2,5,3.8,6.5,9.5,11.1,13.3
1951,13.4,13.8,12.6,11.3,8.2,4.1,4.8,6.6,6.6,8.9,10.9,15.1
1952,15,14.1,12.2,9.5,5.6,4.8,5.2,6.3,8.9,10.4,12.5,13.6
1953,13.6,14.7,13.6,9.1,6.6,5.3,4.8,6.8,7.4,10,12.1,14.7
1954,12.9,14.3,12.7,11,7,4.7,4.8,4.9,6.1,10.2,12.3,12.6
1955,14,14.1,12.7,10,7.6,4.4,4.1,5.9,7.4,11.1,12.9,11.7
1956,12.4,13.4,12.8,10.2,6.7,6.5,5.7,6.6,7.4,11.1,13.9,13.4
1957,13.2,15,14.5,11.3,8.3,4.2,4.4,4.8,7.7,8.6,13.1,12.7
1958,15.3,11.8,12.7,10.6,5.3,4.3,4.6,5.9,7.4,10.5,11.9,12.1
1959,13.8,13.1,13.2,6.4,4.8,4.8,3.8,4.9,7.2,9,11.4,13.6
1960,14.8,15,14.5,9.8,6.7,4.6,4.9,6,8,10.3,12.4,12.4
1961,14.4,14.2,12.2,9.1,6.9,4.5,3.5,5,6.6,10.3,11.6,13.3
1962,13.7,13.2,12.9,10.8,8.5,6.3,5.3,5.7,8.4,11.3,11,13.4
1963,13.2,14.5,11.7,8.3,7.7,5.3,4.8,4.6,5.4,8.2,10.8,14.7
1964,14.7,14.6,12,9.7,7.5,3.4,5.1,4.6,7.1,10.5,10.6,12.5
1965,14.4,14.2,13.7,9.7,7.1,5.8,4.3,6,7.5,9.3,12.9,11.4
1966,13.8,11.3,12.9,10.7,6.4,4.8,3.3,6,6.2,8.8,10.9,13.2
1967,13.1,13.9,12.4,10.4,6.9,5.3,5.2,5.3,6.7,8.6,13.1,14.1
1968,14.3,13.4,12.5,10.7,7.9,6.3,5.9,7.2,7.5,9.8,12.2,12.2
1969,12.5,13.7,12.3,10.3,5.9,4.4,4.6,5.9,7.5,8.1,11.5,14.3
1970,13.9,14.3,11.7,9.3,6,5.7,5.3,5.8,8.2,10,12.5,13
1971,12.4,12.4,12.1,9.9,4.9,4.9,4.1,6.1,8.3,10,11.6,12.1
1972,13.9,12.9,12,11,5.8,4.2,4.8,4.3,6.8,8.2,12.3,15.5
1973,13.3,13.5,14,9.4,6.1,4.2,3.8,6,8,10.7,11.5,13.9
1974,13.7,14.5,13.8,10.8,6.2,5.2,5.1,5.4,7.2,10.1,11.5,13.9
1975,13.8,12.8,13.3,10.8,7.2,5.1,4,5.6,7.8,11,11.3,12.2
1976,13.7,15,11.4,10,8.4,4.2,4.1,6.1,6.6,9.5,11.9,10.8
1977,14.2,14.4,12.7,10.6,7.9,5.9,2.9,4.9,6.4,9.4,11.8,15
1978,14,14.3,13,9.8,7.9,5.3,3.9,5.5,8.4,9.9,10.9,14
1979,16.1,15.2,14.2,12.3,6.5,5.9,5.7,6.1,7.5,9.5,10.8,14.3
1980,14.9,14.2,13.6,9.1,6.6,5.3,3.3,5.1,7.4,10,11.4,13.5
1981,14.4,14.8,10.9,10,7.7,4.8,5.5,5.9,7.1,10.4,13.1,13.5
1982,16.4,15.2,13.1,11.7,9.5,5.4,2.9,5.3,7.6,8.9,11.5,15.4
1983,15.6,14.2,12.7,10.6,7.3,5,5.2,7.6,7.4,10,13.5,14.3
1984,14.9,14.2,12.6,10.2,4.6,3.9,4.2,6.2,8.3,9.8,13,13.9
1985,16.6,16,12.1,10.6,6.7,5,5.8,7.5,9.2,10.8,13.4,14.8
1986,15.4,13.7,13,10,5.3,5.3,5.8,6.4,7,9.8,11.6,13.8
1987,15.1,14.1,14.2,10.1,6.5,4.7,2.5,5.7,6.4,9.5,13.5,14
1988,13.2,14.4,14.1,9.2,7.7,5.4,5.3,3.5,7.8,8.3,12.9,14
1989,15.4,14.7,13.2,9.8,8.1,7.7,8.1,7.6,8.1,10.9,13.1,14.7
1990,14.3,15.7,13.3,8.4,7.2,6.1,6.3,7.2,7.7,11.9,12.8,13.3
1991,15.7,14.2,12.9,10.4,6.6,3.1,4.4,5.9,7.5,9.4,12.1,12.6
1992,15.9,13.4,12.1,10.8,6.4,3.7,4.6,6.4,8.1,9.7,11.2,14.9
1993,14.3,15.2,13.4,10.2,7.3,5.5,6,8,8.5,10.9,13.1,14.4
1994,15.7,13.9,13,10,7.2,6,2.9,6.8,7.5,8.2,10.8,14.1
1995,14.5,14.7,12.5,11,8.2,3.9,1.4,3.2,7.1,9.7,12.3,14.5
1996,14.1,14,13.7,10.5,8.6,5.6,6.1,7.6,9.7,10.9,13.4,13.8
1997,16,13.8,13.1,10.5,7.5,5.5,4.2,6.3,5.2,9.5,11.2,11.9
1998,14.2,13.6,13.2,11.5,8.7,7.3,7.6,7.3,6,11.5,12.1,13.9
1999,14.8,13.6,13.5,11.5,8.5,5.4,6.4,6.8,6.6,10.9,13.3,13.7
2000,15.5,14.1,12.1,10.9,7.8,6.2,4.2,5.4,5.5,9.3,10.7,13.2
2001,13.4,13.5,12.2,10,7.8,5.7,3.3,7.2,7.7,10.8,13.4,14
2002,14.9,15,10.8,10.9,5.3,2.8,4.2,4.8,6.5,8.1,10.8,14.2
2003,13.7,14.6,12.3,9.9,7.6,4.1,6.2,8.3,8.2,9.7,11.1,12.4
2004,15.7,14.8,14.2,9.9,7.3,7.8,5.8,6.6,8.4,10.4,12.4,15.8
2005,14.4,15.3,12.9,10.3,6.5,3.8,4.4,6,8.6,9.4,11.5,12
2006,15,14.1,13.7,10.5,9.2,5.7,6,5.6,7.2,10.1,12.7,15
2007,14.4,13.4,12.5,10.3,6.6,5.3,2.1,6.5,8,10.6,10.8,14.5
2008,15.5,15.7,13.9,9.7,6.9,5.8,5.4,4.8,9.2,11.1,14,15.8
2009,15.2,15.2,14.5,10.9,8.5,7.1,4.3,5,8.4,10.1,10.5,13
