1901,15.6,16.3,15.2,13.3,9.9,8.3,7.4,7.9,8.7,10.5,12.3,14.2
1902,15.3,16.3,15.5,12.8,10.5,8,7.6,7.6,8.6,10.7,11.8,14.3
1903,15.7,16.2,15.3,12.7,9.8,7.9,7.5,7.5,9,10.4,12,14.2
1904,15.5,16.2,15.3,12.9,10,8.2,7.7,7.5,8.8,10.4,12.2,13.8
1905,15.8,16.2,15.5,13.3,10,8,8,7.3,8.9,10.7,12.2,14.2
1906,15.7,16.2,15.4,12.9,10.1,8.3,7.2,7.1,8.8,10.3,12.3,13.9
1907,15.6,16.1,15.4,12.8,9.6,8.2,7.6,7.7,8.9,10.4,11.9,13.9
1908,15.5,16.3,15.4,12.4,10.3,8.1,7.6,7.6,9,10.5,12.1,14.3
1909,15.8,16.2,15.1,13.2,10.1,8.6,7.8,7.8,9.1,10.4,12.5,13.8
1910,15.8,16.3,15.5,13.2,10.2,8.1,7.7,7.5,8.9,10.4,11.9,14.4
1911,15.8,16.6,15.4,13,10,8.1,7.4,7.5,8.8,10.9,12.4,14.5
1912,16,16.2,15.6,13.1,10.2,8.4,7.6,7.7,8.5,10.9,12.4,14.4
1913,16.2,16.4,15.7,12.9,10.2,8.4,7.4,8,8.7,10.5,12.4,14.2
1914,16.1,16.5,15.6,13,10.4,8.1,7.6,7.4,9.2,11,12.1,14
1915,16.3,16.6,15.8,12.8,10.2,8.3,7.1,7.8,8.9,10.6,12.3,14.4
1916,15.9,16.7,15.4,13.2,9.7,8,7.6,7.4,8.9,10.8,12.5,14.4
1917,15.9,16.6,15.4,13,9.8,8.1,7.4,7.3,8.8,10.7,12.1,14.2
1918,15.7,16.6,15.3,13.2,9.9,8.3,7.6,7.5,9,10.7,12.3,14.2
1919,15.9,16.6,15.8,13.5,10.3,8.6,7.6,7.8,8.6,10.9,12.2,14.4
1920,16.2,16.2,15.2,13.4,10.1,8,7.8,7.9,8.8,10.5,12.7,14.4
1921,15.7,16.4,15.6,13,10.2,8.2,7.2,7.3,8.8,10.6,12.2,14
1922,15.8,16.4,15.7,13.5,10.1,8.1,7.8,7.5,9.2,10.7,12.3,14.4
1923,15.8,16.3,15.7,12.9,9.9,8.3,7.6,7.8,9.1,11.2,12.6,14.5
1924,16.1,16.3,15.2,13.2,9.9,8.1,7.5,7.5,9,10.6,12,14.2
1925,15.7,16.6,15.5,13.2,10,7.9,7.6,7.9,9,10.6,12.3,14.4
1926,16.4,16.6,15.6,13.3,10.2,8.3,7.2,7.6,8.8,10.6,12.1,14.2
1927,16.3,16.6,15.7,13.4,10.1,8.6,7.9,7.8,9.4,10.8,12.8,14.3
1928,15.8,16.3,15.5,13.2,10.5,8.3,7.8,7.8,8.9,10.8,12.4,14.4
1929,16.2,16.5,15.4,13,10.3,8.7,7.5,7.8,9,10.9,12.4,14.3
1930,15.8,16.3,15.6,13,10.6,8.5,8,7.6,8.7,10.9,12.6,14.5
1931,17,18,16.4,12.1,12.4,10,6.5,7.7,8.7,9.4,13.5,14
1932,15.8,16.2,16.4,16.1,10.8,8.4,6.5,8.7,7.2,11,12.6,14.8
1933,17,17.7,16.9,14.5,11.5,8.2,7.5,8.2,9.3,11.8,11.8,14.8
1934,15.4,15.2,14.6,14.2,11.3,10.2,6.9,8.2,9.4,9.1,11.5,14
1935,16,16.2,14.6,12.7,9.3,7.6,7.8,6.9,7.7,12.3,11.5,14
1936,14.9,15.5,15,14.8,9.1,10.1,8.4,9.4,8.9,10,11.8,13.9
1937,15.7,16.1,15.3,14,11.1,7.8,6.6,9.2,8,11.5,13.1,14.3
1938,16.1,16.6,16.4,12.5,10.5,9.2,7.8,7.5,7.5,10.4,10.6,14
1939,16,15.2,15.2,12.8,10.3,9.2,8.2,6.7,8.6,10.8,12,14.5
1940,15.7,16.6,15.4,12.5,10.5,8.4,7.6,9.1,8.3,12.3,11.1,14.7
1941,17.1,16.5,16.9,13.5,11.6,9.2,9,8.5,7.3,11.8,11.2,13.8
1942,15.2,17.4,15.7,13.3,9.4,7.7,8.1,7.8,8.8,10.1,12.6,13.2
1943,15.9,16.1,16.4,12.9,10.6,8.1,6.4,5.4,8.2,10.9,11.5,13.7
1944,16.8,16.7,16.2,14,9.2,7.1,8.1,8.8,7.7,12.6,12.8,14.7
1945,17.4,18.9,16.1,15.4,9.9,7.5,8.5,10,11.4,10.1,13.7,14.3
1946,16.3,17.3,15.6,14.7,11,9.1,8.3,7.9,9.6,10.7,13,15.4
1947,16.6,18.1,16.4,14.4,11.2,9,5.7,8.6,9,12.5,12.9,14.3
1948,16.4,17.2,14.8,13.3,11.5,9.7,8.4,9.9,8.2,11,11.8,13.5
1949,17,16.6,14.9,13.1,10.8,9.3,8.5,8,9.5,11.8,10.9,14.2
1950,17.2,16.8,15.7,12.2,9.1,10.1,6.7,7.5,9.4,10.5,11,13.1
1951,15.4,16.6,15,13.7,10.8,8.2,6.8,7.8,8.8,10.4,12.8,14.8
1952,16.4,16.8,16.1,14.2,9.9,8.8,7.3,7.5,8.1,11.8,13.3,13.6
1953,16.9,15.6,15.5,12.9,10.9,7.1,7,6.9,10,11.4,11.8,14.1
1954,16.3,15.9,14.2,11.9,10.2,8.1,6.6,7.7,9.4,11,11.6,14.1
1955,16.2,15.3,14.7,13,12.3,7.8,7.2,6.4,8.5,9.5,11.4,13.1
1956,16.6,14.5,14.4,13,9.3,8.4,8.3,7.3,8.1,10.8,13.3,12.5
1957,16,15.7,16.6,13.3,10.8,7,7.9,7.5,7.9,9,12.9,14.8
1958,15.9,15.9,15.8,13.7,10.5,8.5,9.3,8.1,9.3,10.5,12.1,14.7
1959,15.4,17.3,16.1,13.3,8.7,8.9,7.5,7,9.9,10.2,12.8,14.4
1960,16.4,16.6,15.4,13.1,10.2,8.1,7.6,9.6,10.6,11.8,14,13.9
1961,15.8,17,16.1,14.1,9.7,8.9,9.2,8.2,10.4,10.5,13.1,14.1
1962,16.6,15.6,16.2,13.1,11.9,9.2,7.8,8.9,9.5,11.2,11.4,15.7
1963,15.4,17,16,12.5,9.8,8.1,7.1,8.3,12.1,11.4,13,15.2
1964,16.5,16.6,16.1,12.8,11.2,7,7.1,6.9,8,9.9,11,14.8
1965,16.1,16.5,15.4,12.6,10.9,7.4,8.4,9.5,10.5,9.1,12.3,13.5
1966,16.9,15.8,15.9,12.6,10.2,9.6,7.7,8.3,8.5,11.9,12.5,14.8
1967,15.7,16.5,14.5,11.7,10.3,8.1,6.5,8.4,9.3,10.5,13.3,14.8
1968,15.7,15.8,15.8,13.1,10.1,6.5,7.5,6.9,10.1,10.5,13.7,14.2
1969,16.8,16.7,16,13.2,10.9,8.8,8.2,9,8,9.5,12.8,15.2
1970,16.7,17.2,16.7,15.2,11.4,8.5,7.2,7.1,8.1,11.7,12.1,13.6
1971,16.1,16.9,16,14,10.8,9.1,8.1,7,9.3,10.5,12,13.4
1972,15.8,15.9,16.1,13.9,9.8,9.5,8.2,7.9,9.3,12.4,13.8,15.1
1973,16.8,16.1,16.2,14,9.8,9.4,8.6,7.8,8.5,12.3,13.4,12.7
1974,15,15.5,14.2,13.2,8.9,8,7.4,5.2,7.7,10.1,11.8,14.5
1975,16.7,17,14.5,12.7,9.8,8.8,7.7,6.8,9.5,9.9,12.2,13.7
1976,15.1,15.3,14.2,12.3,9.4,7.3,6.2,6.6,8.2,10,9.9,13.6
1977,16.7,16.6,14.9,13.7,9,8.1,7.2,7.4,8.3,10.6,12.9,14.5
1978,16.3,15.8,15.3,12.1,10.4,7.1,8.2,6.9,6.9,8.8,13.5,14.2
1979,15.9,16.3,15.3,14.8,10.3,8.1,6.6,7.8,8.4,11.1,13.5,15.7
1980,16.1,16.7,16.3,14.1,10.4,9.4,9.1,9.7,9.7,12.2,10,14.8
1981,15.4,17.3,15.4,14.2,11.5,8.5,8.3,6.7,8.1,10.9,13.1,15
1982,15.8,17.4,16.3,12.6,11.6,9.5,7.1,9.2,11.1,12,12.5,14.2
1983,16.1,16.5,15.3,14.3,9.9,8.4,8.9,8.5,10,12,12.4,15.3
1984,17.1,18.3,17.1,13.6,11.2,8.4,8.2,8.9,10.1,11.1,13.2,14.5
1985,16.3,16.2,15.3,13.5,11.3,8.7,8.6,9.3,9.1,12.4,13.5,15
1986,16.4,16.7,15.5,12.8,9.9,9.4,8.4,9.1,9.9,11.6,12.9,14.9
1987,16.5,16.9,16.9,13.6,11.9,9.3,8.6,8.6,9.7,11.5,12.8,13.9
1988,16.1,17.5,17.3,13.2,11.1,8.5,7.3,8.7,9,10.2,12.9,14.6
1989,16.6,16.8,15.1,13,10.5,8.7,7.7,9,10,11.5,13.8,13.4
1990,17,17,16.6,13.7,11.2,8.2,7.5,8.4,10.1,11.4,12.8,14.8
1991,16.4,17.1,16.5,13.5,11.5,9.2,9.6,8.5,10.5,11.8,12.7,15.3
1992,15.6,16.9,16.4,13.4,10.1,9.4,8.3,8,9.9,11.6,13.3,14.5
1993,16.3,16.7,16.9,14.2,10.6,9.4,10.5,9.4,10.2,11.6,13.1,14.6
1994,16.6,17.5,16.2,13.8,9.8,7.7,8,7.9,10.5,11.5,13.6,15.6
1995,16.7,17.7,16.8,13.5,11.7,8.6,7,8,10.3,10.8,12.7,14.5
1996,16.9,16.5,14.7,14,10.5,9,7.5,7.3,8.9,10.5,11.8,14.1
1997,16.2,16.1,15.2,12.7,11,8.6,9.7,8.6,10.6,12.2,13.2,15.3
1998,16.2,17.3,15.8,14,11.1,7,8,8.9,9.2,10.4,12.2,14.5
1999,16.2,16.5,16.9,13.8,11.1,10,8.8,8.6,9.4,11.7,12.5,16.4
2000,17.8,17.6,16.5,13.7,9.9,10,9.3,9.2,9.8,11.5,12.8,14.1
2001,15.8,17.1,17,14.2,10.8,9.1,7.8,7.9,8.6,11.2,12.4,13.9
2002,15.3,16.3,15.5,14.3,10.2,7.8,7,8.3,10.1,12.1,12.3,15
2003,16.6,17.4,15.5,15.2,10.7,8.9,8.6,7.3,9.6,11.6,13.1,14.3
2004,15.3,17.4,16.3,13.8,12.2,9.5,8.1,8.6,9.3,12.5,14.5,14.8
2005,16.4,17.8,16,13.2,11.1,8.9,9.5,7.6,10.7,11.8,12.3,15.3
2006,16.6,16.7,15.7,14.3,10.5,9.3,9,8,11.8,12.1,12.8,14.4
2007,16.7,17.2,16,15.6,11.4,8.9,8.2,7.6,10.4,11.7,12.1,14.1
2008,17.3,17.2,16.1,13.6,11.3,9.5,9.1,9,8.6,8.7,12.8,15.4
2009,16.3,17.1,15.9,16,11.5,9.1,9,11,9.2,13.6,14.2,14.5
