1901,16.6,16.3,15.4,12.8,8.2,5.9,5.7,7.6,10.4,12.9,14.6,16
1902,16.2,16.2,15.2,12.7,8.7,5.5,6.1,7.4,10.1,13.1,14.3,16.2
1903,16.7,16.3,15.5,12.8,8.3,5.5,6,7.4,10.7,13,14.5,16.1
1904,16.2,15.9,15,12.6,8.3,5.8,6,7.3,10.5,13.1,14.8,15.6
1905,16.6,16.1,15,12.7,8.5,5.5,6.2,7.1,10.6,13.4,14.8,16.2
1906,16.7,16,15.1,12.2,8.5,5.9,5.8,6.9,10.8,12.8,14.5,15.7
1907,16.3,16,15.2,12.3,8,5.9,5.9,7.5,10.7,12.9,14.3,15.6
1908,16.4,16.4,15.2,12.1,8.6,5.7,6,7.5,10.9,13.1,14.6,16.1
1909,16.4,15.8,14.9,12.2,8.4,6.1,6,7.4,10.8,13,14.8,15.8
1910,16.5,16,15.2,12.5,8.5,5.6,5.9,7.3,10.7,12.9,14.1,16
1911,16.6,16.4,14.9,12.3,8.1,5.5,5.8,7.2,10.6,13.5,14.7,16.6
1912,17,16.2,15.2,12.8,8.6,5.6,6.1,7.5,10.1,13.5,15.1,16.2
1913,16.8,16.2,15.2,12.6,8.4,6,5.9,7.8,10.5,13,14.7,16.3
1914,17.1,16.5,15.4,12.8,8.8,5.7,5.8,7.3,11.1,13.6,14.3,16
1915,17,16.4,15.1,12.5,8.4,5.9,5.5,7.6,10.7,13.2,14.6,16.1
1916,16.7,16.7,15.4,12.5,8,5.7,6.2,7,10.7,13.5,14.8,16.1
1917,16.7,16.3,15.2,12.4,8.1,5.6,5.6,6.9,10.5,13.3,14.4,15.9
1918,16.2,16.3,14.9,12.2,8.1,6,6.2,7.1,10.6,13.2,14.4,15.9
1919,16.7,16.4,15.1,12.9,8.3,6.1,6.3,7.4,10.5,13.4,14.5,16.2
1920,17.1,16.1,14.8,12.5,8.6,5.7,6.3,7.5,10.7,13.1,15,16.4
1921,16.9,16.2,15.2,12.5,8.5,5.7,5.4,7.2,10.6,13.4,14.3,15.8
1922,17.2,16.6,15.6,13,8.6,6.2,6.3,7.7,11,12.9,14.7,16.4
1923,16.5,16.2,15.4,12.2,8.5,6.2,6.1,7.9,10.7,13.8,15.1,16.5
1924,17.2,16.3,15.3,12.3,8.5,6,5.7,7.2,10.6,13.2,14.4,15.6
1925,16.5,16.2,14.9,12.5,8.1,5.7,5.8,7.4,10.2,13.1,14.9,16.5
1926,17.5,16.9,15.2,12.7,8.5,6,5.4,7.2,10.6,13.1,14.5,16.1
1927,17.2,16.6,15.3,12.7,8.5,5.9,6.1,7.2,11,13.1,15,16.2
1928,16.7,16.5,15.4,12.7,8.5,6.2,5.8,7.3,11,13.7,15,16.5
1929,17.1,16.7,15,12.4,9,6.4,6,7.3,10.9,13.8,15.1,16
1930,16.7,16.5,15.2,12.5,8.4,6,6.1,7.2,10.3,13.5,15.3,16.5
1931,17.8,17.8,16.3,12.1,10.7,7.5,5,7.5,10.5,12.2,15.7,15.9
1932,16.7,16.2,16,15.2,9.1,5.9,4.9,8.4,9.2,13.6,15,16.5
1933,17.8,17.6,16.5,13.7,9.8,5.9,6,8,11.1,14.4,14.1,16.5
1934,16.2,15.2,14.7,13.4,9.7,7.7,5.4,8,11.2,11.8,13.9,15.8
1935,16.9,16.1,14.8,12.2,7.8,5.2,6.2,6.7,9.6,14.8,13.9,15.9
1936,15.8,15.5,14.8,13.3,7.6,7.5,6.7,9.1,10.7,12.6,14.2,15.7
1937,16.5,16,15.1,13,9.4,5.5,5,8.8,9.9,13.9,15.3,16.1
1938,16.9,16.5,15.9,12.5,9,6.8,6.2,7.3,9.5,13.1,13,15.8
1939,16.9,15.4,15.1,12.2,8.9,6.7,6.7,6.8,10,13.1,14.2,16.2
1940,16.8,16.8,15.2,12.2,8.8,6.6,6.4,9.2,10.3,14.7,13.9,16.8
1941,17.6,16.8,16.6,13.2,10.2,7.1,7.4,8.5,9.7,14.6,14.1,15.8
1942,16.5,17.6,15.7,12.8,8.3,5.9,6.7,7.9,10.9,12.8,15.2,15.4
1943,16.8,16.2,16,12.6,9.1,6,5.4,5.9,10.4,13.8,14.1,15.7
1944,17.5,16.6,15.9,13.3,7.7,5.1,6.7,8.7,9.8,15,15.2,16.5
1945,17.9,18.6,15.9,14.4,8.5,5.4,6.8,9.6,13,12.9,15.9,16.2
1946,17,17.3,15.6,13.8,9.4,6.9,6.6,7.7,11.2,13.4,15.2,17.1
1947,17.3,18,16,13.5,9.6,6.5,4.3,8.3,10.7,14.6,15.3,16.1
1948,16.9,16.9,14.5,12.5,9.7,7.2,6.7,9.4,10,13.4,14.3,15.6
1949,17.8,16.5,15.1,12.8,9.4,7.1,6.9,7.9,11.6,14.4,13.7,16.1
1950,17.9,16.8,15.8,11.9,7.8,7.5,5.4,7.5,11.1,13.1,13.8,15.4
1951,16.2,16.6,15.1,13.1,9.3,6.3,5.7,7.8,10.8,13,15.2,16.7
1952,17.3,16.6,16,13.9,8.5,7.3,5.9,7.5,10.1,14.3,15.4,15.8
1953,17.7,15.8,15.4,12.4,9.4,5.3,5.6,6.7,11.4,14.2,14.4,16
1954,17,16.1,14.5,12.2,8.5,6.1,5,7.5,11.3,13.7,14.1,16
1955,16.8,15.3,14.8,12,10.4,6.1,5.8,6.2,10.3,12.1,13.9,15
1956,17.5,14.9,14.5,12.1,7.4,5.7,6.2,6.7,9.5,13.4,15.3,14.6
1957,17.2,15.7,16.1,12.3,9.1,4.8,6.3,7.5,10,11.6,15,16.8
1958,17,16.2,15.5,13,8.3,6.2,7.4,7.5,11.2,13,14.4,16.4
1959,16.2,17.1,15.4,12.6,7.1,6.6,6.1,6.7,11.5,12.6,15,16.2
1960,16.8,17,15.1,12.5,8.5,6.3,6.3,9,12.2,14.3,16.3,15.4
1961,16.5,16.9,15.7,13.5,8,6.8,7.7,7.9,12.3,13.1,15.6,15.5
1962,17.1,15.5,15.3,12.3,10,6.2,6.2,8.6,11.1,14,13.9,17.6
1963,16.7,16.9,16,12.7,7.8,5.6,5.7,8,13.3,14.1,15.5,17
1964,16.8,15.8,15.8,12.1,9.5,4.3,5.8,6.8,10.2,12.5,13.2,16.4
1965,16.6,16.3,15.6,12.3,9.2,5.4,6.6,9.1,12.3,11.7,14.5,15.3
1966,18.2,16.3,15.5,11.8,8.8,7.6,6.1,7.9,10.7,15,15.4,17
1967,16.7,16.8,14.4,10.5,8.8,6,5.5,8.5,11.9,13,15.7,16.8
1968,16.4,15.4,15.8,11.6,8.5,3.9,5.7,6.9,12.2,13,16.1,16
1969,17.2,17.1,16,12.4,9.3,6.6,7,9.5,10.1,12.2,15.5,17.1
1970,17.5,17.2,15.7,13.9,9.3,6,5.6,7.3,10.3,14.8,14.7,16.1
1971,16.5,17.2,15.6,13,9.6,6.9,6.5,6.3,11.6,13.5,14.2,15.3
1972,17.3,16,16,13.9,8.2,6.5,7,7.7,10.9,15.6,16.6,17.2
1973,17,15.3,16.1,13.7,8.2,7.7,6.7,7.5,10.5,14.7,15.3,14.9
1974,16.8,16.2,14.7,12.7,7.5,5.4,5.7,5.2,9.4,12.9,13.7,15.9
1975,17,16.3,14.6,11.9,8,6.7,6.1,7.2,11.2,12.4,15,15.1
1976,16.3,15.6,14.7,11.7,7.6,4.8,4.4,6.6,9.7,12.4,12.5,15.5
1977,17.6,16.4,14.8,13.1,7.3,5.4,5.4,7.2,9.8,13.5,15,16.1
1978,17,16,15.2,10.8,8.6,5.3,6.4,6.4,9.3,10.9,15.6,15.2
1979,16.5,16.5,14.7,14,8.7,5.9,5.1,7.8,10.4,13.4,15.6,17.1
1980,16.4,16.3,16.4,13.1,8.9,6.4,6.9,8.7,11.2,14.3,11.9,16.3
1981,15.4,16.7,14.5,13.6,9.7,5.8,6.6,6.6,9.7,13.1,15.1,16.3
1982,15.8,17.3,15.9,11.7,9.6,7,6.1,9,13.1,14.3,14.4,16.4
1983,17.2,16.5,14.9,13.6,8.3,6.3,7.7,8.6,11.1,14.6,14.7,18
1984,17.5,17.5,16.7,13.6,10.3,6.7,6.8,9.1,11.7,13.7,15.7,16.1
1985,16.7,16.3,15.1,12.3,10,6.8,7.1,9.5,11.1,15.3,15.9,16.3
1986,17.4,16.2,15.4,12,8.3,6.7,6.2,8.3,11.8,13.8,14.9,16.8
1987,17,17,16.3,13.2,10.9,6,6.6,8.2,10.5,14.2,15.8,15.4
1988,17,17.2,16,12.3,9.7,5.7,5.9,8.4,10.6,12.6,15.4,16.5
1989,17.1,16.8,14.3,12.5,8.6,6.5,6.3,8.6,11.4,13.8,16,15.3
1990,17.4,16.3,15.9,12.7,9.6,6.3,6,8.6,12,14.2,15.5,16
1991,17.2,17.2,15.1,12.3,9.9,6.8,7.8,8.2,11.6,13.9,15,16.6
1992,16.7,16.3,15.1,12.4,8.5,6.7,6.6,7.9,11.7,12.8,15.1,16.3
1993,17,16.7,16.6,13.6,8.9,7.1,9,9.2,12.2,14.8,15.4,16.3
1994,17.4,17.4,15.6,12.9,8.4,5.3,6.3,7.8,12,14.1,16.3,17.2
1995,17.1,17.4,16.8,12.9,10.8,6.3,5.9,8.2,12.3,13.5,15.7,15.9
1996,17.8,16.3,13.9,13.3,9.9,6.8,5.6,7.5,10.9,13.2,14.5,15.9
1997,17,16.1,15.2,11.9,9.4,6.7,8.1,8.8,12.7,15.1,15.9,17.5
1998,17,16.2,14.7,13.4,9.3,5.1,6.9,9.3,11.7,13.4,14.8,15.9
1999,16.9,16.4,16.6,13,9.6,7.9,7.1,8.9,10.8,14.1,15,16.3
2000,16.1,17.4,15.9,12.1,8.4,7.8,7.8,9,11.7,14.8,14.6,16.1
2001,16.5,16.7,16.3,13.9,9.5,6.6,6,7.7,10.1,13.1,14.1,15.9
2002,15.6,16.3,15.3,13.6,8.2,5.5,5.3,8.2,11.6,14.7,15,16.8
2003,17.4,17.3,15.1,14.7,9.4,7.1,7.1,7.1,11.7,14.8,15.3,15.9
2004,16,17.2,16,13.2,10.4,7,6.3,8.4,11.1,14.8,16.5,16.8
2005,17.3,17.6,15.9,12.6,9.5,6.9,7.9,7.8,12.2,14.7,14.9,16.9
2006,17.2,16.6,15.4,13.4,8.7,6.9,7.3,7.7,12.7,14.6,15.2,16.2
2007,17.4,17,15.7,14.7,9.7,6.4,6.6,7.4,12,14.2,14.4,16
2008,17.9,17,15.7,12.8,9.5,7,7.2,8.7,10.5,11.6,15.1,17
2009,17.2,16.9,15.6,14.9,9.7,6.5,7.2,10.7,11,15.9,16.3,16.5
