1901,12.9,13.7,12.3,9,7.5,5.7,6.5,5.9,7.5,10,10.3,11.9
1902,12.9,14.8,13.4,11.3,9.2,7.6,7.4,4.9,8.3,9,11.8,13.5
1903,12.4,14.2,14.2,10.1,7.1,7.3,5.9,6.5,8.2,8.2,11,13.2
1904,12.5,13,13.6,10.4,6.2,5,6.3,6.3,8.1,8.6,10.8,12
1905,12.6,13.4,12.1,10.3,7.7,5.9,5.7,6.4,8.2,11.2,10.4,12.6
1906,13.1,13.2,12.5,10.4,8.9,6.2,6.3,7.3,7,9.7,10.4,12.2
1907,12.6,13.7,13.8,10.5,5.9,5.8,5,5.5,7.9,8.4,10.1,13.2
1908,12.7,12.9,12,10.3,7.5,6.6,6.5,5,7.6,8.6,10.2,12.3
1909,13.6,14.2,11.5,9.8,5.6,5.5,6.3,7,7.4,8.1,10,10.8
1910,14.1,13.2,12.5,11.2,6.3,7.1,4.9,7,7.1,8,10.3,12
1911,14,13.9,11.3,10.1,8.1,4.4,4.7,5.6,6.8,8.1,11.3,12.8
1912,13.7,14.9,13,10.6,9,7.1,4.4,6.3,5.6,8.6,11.1,12.7
1913,12.6,14.2,13.1,10.9,8.5,5.7,6.7,6.7,7.9,9.5,10.8,12
1914,14.5,13.6,12.9,10.7,7.5,8.1,8.1,6.8,8.2,9.9,11.5,11.8
1915,14,15.2,12.2,12.4,9.6,4.9,5.2,6.8,7.7,8.7,10,11.8
1916,13.9,12.7,11.3,10.2,8.2,5.9,4.9,5.8,8.5,8.5,10.8,12.1
1917,12.9,13.4,12,9.3,4.9,4.7,4,4.2,7.2,7.9,8.4,11.2
1918,12.8,12.6,11.6,9.7,6.9,5.1,4.1,4.5,6.1,8.1,9.6,10.8
1919,12.1,12.3,12.1,10.3,9.5,6.7,6.2,5.1,5.2,7.8,9.1,11.3
1920,13.9,13.9,12.7,11.2,7.5,5.6,6,4.7,7,9.4,10.5,12.6
1921,13.1,13.3,12.6,9.3,8.1,4.1,3.8,7.1,6.8,8.3,9,12.7
1922,12.9,12.7,12.6,10.2,7.5,5.7,6.5,6.9,7.7,7.7,9.9,11.9
1923,13.1,13.6,13.2,11.4,6.9,6,4.4,6.5,7,8.1,9.8,12.8
1924,12.3,12.5,13.2,9.8,7.4,6.3,5.3,4.6,6.9,7.2,9,12.1
1925,13.7,14.6,12.6,11.5,7.4,4.4,3.6,7.5,7.8,8.3,10.5,12.6
1926,13.5,12.6,13.2,10.5,6.8,7,5,6.9,8.4,9,10.7,12.8
1927,13.4,13.7,13.3,10.6,7,5.9,5.2,5.8,7.1,8.2,10.3,11.7
1928,12.8,13.6,13,11.9,7.7,5.9,6.2,5.7,7.6,8.7,10.7,12.8
1929,13.5,13.6,12.3,9.1,6.6,5.6,6.2,6,8.1,9.2,9.6,12.9
1930,13.5,13.4,12.5,10.2,8.7,7.7,5.4,6.6,6.7,8.4,9.9,12.3
1931,14.4,13.5,13.1,10.2,7,5.1,6.3,6,6.5,8.9,9.6,12.9
1932,13.2,14.4,13.6,11.6,7.8,6.1,7.4,5.7,8.4,10.3,11.6,12.2
1933,13.1,14,11.7,9.6,8.3,4.8,4.7,6.5,7.6,9,9.5,11.7
1934,13.5,13.1,13.4,10.2,8.1,7.1,5.9,6.6,7.5,8.9,10.4,12
1935,13,13.9,13.6,9,7.3,7.3,6.6,6.1,6.9,8.7,10.3,13
1936,13.6,12.8,12.5,10.8,10.2,8.3,7.2,5.8,7.3,9.5,10.3,12.5
1937,11.6,13.7,13.1,9.5,6.7,6.8,7.1,7.7,7.8,8.3,9.5,11
1938,13.8,13.2,13.6,10.2,7.5,6.6,6,5.7,7.9,8.7,10,12.3
1939,13,13.2,13.2,9.5,8.6,6.6,5.1,7.9,7.5,10,9.9,11.5
1940,13.5,12.6,12.8,10.5,10,7.8,8.4,6.4,7.6,8.1,10.1,14.4
1941,13.4,13.6,11.7,12.7,8.7,5.5,5.5,7.3,5.3,8.6,9.8,11.6
1942,13.4,13.4,12.8,9.4,7,4.8,2.9,6.3,6.8,7.9,9.9,11
1943,12.6,13,12.8,8.9,8.7,7.3,6.6,4,6,9.4,9.8,11
1944,12.6,12.6,12.7,8.8,7.8,6.3,4.9,7.4,8.8,11.5,9.4,12.4
1945,12.9,13.5,12.5,10.2,6.1,4.5,5.8,8.1,7.2,9.8,10.5,11.6
1946,12.6,13.9,12,9.5,8.8,6,4.5,7.2,8.9,9.4,11,11.7
1947,13.4,14.5,11.8,10,8.7,7.1,4.8,5.7,6.8,7.2,9.4,10.8
1948,13.8,13.4,12,10.2,7.9,7.4,6.6,4.8,8.4,8.5,10.3,12.6
1949,13.4,13.4,14.2,9.6,7.8,8.1,6.5,6.6,7.2,8.4,10.8,12.4
1950,12.9,13.3,12.8,11.5,9.5,6.8,5.5,7.3,7.6,8.4,9.9,12.5
1951,13.5,13.1,12.1,8,8.3,6.7,5.9,6.2,8.6,8.6,10.8,11.6
1952,14,13.3,14.1,8.5,9.2,5.2,6.2,7.7,6.7,8.8,10.7,12.5
1953,14.5,13.3,13.9,9.2,9.3,6.7,3.6,7.1,8.9,8.9,10.2,12.4
1954,14,13.9,13.1,10.6,7.2,7,5.8,7.7,7.9,8.2,10.6,12.1
1955,14,14.3,13,10.1,7.2,5.2,3.9,6,7.9,7.8,10.6,13
1956,14.5,14,12.8,9.3,5.4,5.7,5,6.3,8.3,9.7,9.7,11.7
1957,14.3,12.8,13.4,9.9,9.9,6.5,5.6,6.4,6.8,10.5,10.9,13.7
1958,15.2,14.3,12.8,10.4,8.2,7.5,9,7.4,7.1,9.1,11.5,12.9
1959,14.1,14.6,13.5,12.6,8.3,6,8.1,7,8.9,10.7,11.3,12.8
1960,13.9,13.2,13.6,10.1,6.4,6.4,6.8,7.2,8.2,11.1,11.2,12.9
1961,14.3,14.6,12.9,10.9,8.8,7.8,7.3,8.8,9.5,11.7,12.1,13
1962,13.1,12.4,13.4,10.2,6.9,5.3,5.2,5.9,7.7,8.1,10.9,12.8
1963,14.2,14.3,14.6,10.7,8.3,6.7,7.5,7,9.9,9.7,11.1,12.2
1964,13.4,13.8,13.1,11.5,8.6,5.1,3.9,7.3,7.9,8.6,9.8,11.6
1965,13.3,14.7,11.5,10.2,7.7,8.8,6,7.2,8.3,9.1,11.3,13.3
1966,14.2,14.1,13.4,11.3,9.1,7.6,7.6,5.4,6.8,8.7,11.1,12.8
1967,13.3,13.5,12.3,10.6,10.4,5.8,7.3,8.1,9,11.8,11,11.9
1968,13.4,12.6,12.9,7.8,5.6,6.4,6.8,7.5,7.3,9.7,12.8,12.5
1969,13.4,14.2,12.8,10.9,8.8,7.3,6,6.2,8,7.9,11.2,11.9
1970,13.7,14.5,13.9,11.3,9.6,7.6,6.5,6.8,8,9.2,9.6,12.5
1971,14.5,14.8,13,9.1,6.7,6.5,5.9,7.1,9.3,9.5,10.3,12.6
1972,13.5,12.8,13.1,9.4,10.1,9.2,6.2,7.2,7.9,8.8,10.9,13.2
1973,14.7,15.1,13.2,13,8.8,8.7,7.9,6.1,7.4,8.6,9.7,13
1974,14.8,14.4,14.1,10.5,9.7,5.2,6.8,6.4,7.4,8.3,9.6,11.6
1975,12.8,13.8,13.4,10.3,8.2,6.8,4.8,7.6,8.5,8.6,10.2,12.5
1976,14.5,13.2,11.9,9.4,7.9,5.4,5.6,6,7,8.4,10.3,12.7
1977,14.6,15.4,13.7,9.9,8.3,7.3,9.4,7.4,9.6,11,10.9,12.9
1978,14,13.3,13.4,8.4,5.5,6,8,6.4,8.4,10.5,10.7,12.6
1979,12,13.8,12.4,10.1,6.8,4,5.2,8.4,7.6,10.1,10.3,12.7
1980,13,13.6,15,11.6,10,5.7,5.2,6.4,5.8,9.5,10.6,13.2
1981,14,15,12.5,10.8,10.8,6,5.9,7.5,8.4,9.1,11.7,12
1982,12.4,14,13.2,10.8,8.4,8.1,7,8.6,9.4,9.1,10.8,12.6
1983,14.7,14.4,12.3,11.7,10,5.2,6.4,7.4,6.6,10,12.1,13.6
1984,15.6,16.2,13.8,10.6,10.1,7.3,6.6,5.1,7.6,10.5,10.8,11.4
1985,13,14.6,13.8,11.7,7.9,6.7,6.7,8.7,9,10.6,11.8,13.2
1986,14.9,14.1,13.3,12.4,8.4,8.9,6.5,8.2,8.7,9.5,11.7,13.3
1987,14.2,15,13.4,12.2,6.8,4.4,8.7,6,6.5,9.2,11.6,13.1
1988,14.8,13.6,14.7,10.1,6.7,4.8,4.6,6,8,8.7,10.4,12.2
1989,13.9,14.5,13.6,11.9,8.2,7.1,4.5,7.3,8,8.2,10.9,13.7
1990,14.2,14.5,13.9,12.7,7.5,5.2,5.1,7,7,11.4,13.5,12.6
1991,13.2,13.4,13.2,11.6,10.5,7.3,6,7.8,9,10.4,11.3,14.4
1992,13.9,15.4,14.3,11.4,8.8,8.6,4.7,6,8,9.8,10.6,12.4
1993,14.7,13,14,12.2,8.8,5.8,5.9,5.4,7,11,10,12.8
1994,13.2,14.3,12.6,10.6,11,6.5,6.7,6.6,9.3,10.6,11.5,14.5
1995,14.2,13.7,14,12.6,8.4,6.2,8.5,7.6,8.2,8.7,11.6,13.6
1996,14.3,14.7,13.7,12.1,9,5.5,3.8,7.3,7.6,10.5,12,14.6
1997,14.6,14.6,12.6,10.5,8.6,6.9,7.7,8.3,9,10.1,12,14.6
1998,14.5,14.5,13.4,11.7,8.5,5.8,7.4,8.3,8.1,10.2,10.8,13
1999,14.4,14.2,15.1,10.2,7.9,5.9,6.6,6.8,8.4,8.9,10,12.8
2000,14.6,13.7,12.8,11.7,8.4,8.7,3.6,5.5,7.9,10.8,11.2,13.6
2001,15.4,15.9,15.6,12.9,8.7,8,6.5,9.2,9.1,11.3,11.7,12.8
2002,14.4,13.6,16.2,12.3,10.8,7.8,7.9,8.5,7.4,12.2,12.5,13.8
2003,14.9,16.1,14.5,11.3,8.9,8.6,7.2,6.1,7.7,10.3,11.7,12.9
2004,13.6,13.3,13.5,12.7,7.9,7.8,6,7.4,10.2,9.3,11.4,12.7
2005,14.7,14,13.4,12.2,10.3,10.5,7.1,8.8,7.6,10.5,11.7,12.4
2006,15.3,14.2,14.7,11.1,7.2,8,8.7,7.4,7.7,10.9,10.9,14.5
2007,15,14.7,15.4,13,7.4,7.1,5,6.6,10.2,11.8,10.7,13.8
2008,13.8,14,13.8,10.6,8.4,6,8.3,8,7.4,10.2,11.2,12.8
2009,13.6,14.8,14.2,11.5,9.7,5.7,5.2,8.1,9,9.7,13.9,14.4
