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