1901,17.9,16.9,13.7,14.3,8.6,5.7,5.8,8.1,10.4,11.2,14,15.6
1902,15.8,16.7,15.4,13.1,9.9,6.3,6.9,8.2,10.9,11.6,13.7,15.8
1903,17.1,16.4,14.9,12.9,10.5,6.4,6,8.9,11.1,12.9,13.4,15.3
1904,16.5,15.7,14.6,13.3,9.8,7.2,6.3,8.3,10,12.1,14.4,15
1905,16.5,15.5,13.9,12.9,9.7,6.9,6.5,7.8,11.1,12.8,13.5,15.6
1906,17.7,15.7,14.8,11.9,9.8,7.1,6.4,7.8,10.2,11.3,13.2,15.1
1907,16.3,16.1,15.6,12,9.4,6.1,5.7,8,10.5,11.4,13.1,14.8
1908,16,16,14.8,12,8.9,6.6,6.2,8.4,11,12.1,14.1,15.5
1909,16.3,15.6,14.6,12.9,9.5,5.8,6.8,8.7,10,12,13.3,15.4
1910,15.7,14.7,14.5,11.4,8,4.9,5.4,7.2,9.3,11.3,11.8,14.4
1911,15.5,16.3,13.9,11.7,8.4,4.5,5.2,6.6,9.2,13.1,13.6,16.2
1912,15.9,16.5,13.6,13,9.8,5.8,5.9,7.7,9,11.5,14.1,15.4
1913,16.3,16.8,14.3,13.3,9.4,6.1,7,8.4,10.2,11.5,14.1,15
1914,16.8,16,14.8,12.9,10.3,5.8,6,7.1,11.6,12.7,13.4,16.3
1915,17.7,16.2,15.3,13.5,8.7,5.5,6,7.8,10.1,11,13.1,14.3
1916,15.3,15.9,14.1,12.4,7.7,6.2,6.5,6.9,10.4,12.7,14.2,15.7
1917,15.8,15.4,14.8,11.9,8.5,6,5.5,6.6,10,11.6,13.9,14.6
1918,14.9,16.2,14.7,11.1,7.6,5.1,6.4,7,11.7,13.1,13.9,15.2
1919,16.1,16.1,14.4,13.7,8.2,6.5,6.9,7.4,9.4,12,12.9,14.9
1920,16.9,15.7,14.2,11.7,9.2,4.5,6.7,8.1,10.9,11.8,14.6,14.7
1921,15.5,16.8,14.4,11.8,8.6,6.4,5.2,7,9.4,12.2,13.4,14.9
1922,16.4,16,14.9,12.3,8.5,6.3,6.8,8.8,11.6,12.8,14.2,15.6
1923,16.4,16.4,15.3,11.9,8.1,5.4,6.3,8.4,10.7,13,15.2,14.9
1924,15.5,14.9,14.9,11.5,8.5,5.3,5.3,7.1,10,11.6,13.7,14.5
1925,15.6,17,15.7,12.8,8.5,5,5.7,7.9,10.3,11.8,13.9,15.6
1926,17.1,18.1,14.8,11.7,8.9,6.7,5.1,7,10,11.6,12.9,15.1
1927,16.2,15.9,14.6,12.5,7.9,5.6,6.8,7.6,10.9,12.2,14.2,14.9
1928,15.8,15,14.9,12.2,8.5,6.9,5.9,7.1,10.4,12.9,14.3,16
1929,15.7,15.7,13.7,11.7,9.4,6.9,6,7.5,11.9,12.5,14.2,14.9
1930,15.6,15.1,14.7,12.4,8.3,5.4,6.1,7.1,9.7,11.7,13.9,16.1
1931,15.7,16.8,15,12.1,10.3,6,6.6,8.4,10.4,12.1,13.8,15.7
1932,15.6,16.3,15.3,13.9,9.5,6.9,5.5,8.2,12.5,12.4,14.7,15.3
1933,15.7,15.8,14.9,12.4,9.7,6.3,7,8,10.5,12.2,13.7,14.8
1934,16.1,15.5,15.2,13.6,10.6,8,6.9,9.6,10.1,12.3,14.1,15.4
1935,16,14.3,13.7,11.9,9.3,5.8,6.6,6.3,10.9,12.3,14,14.1
1936,15.8,15.9,15.1,12.3,8.7,6.5,6.6,8.2,10,11,13,14.6
1937,15.7,16.4,15.1,12.1,9.2,6.4,5.8,8.1,9.9,11.9,14.3,14.5
1938,15.9,15.8,14.9,13.9,9.7,7,7.2,8.5,10.9,12.9,14.3,15.5
1939,15.4,17,14.5,12.4,10.2,6.5,6.7,8,8.9,13,13.1,14.4
1940,15.8,16.3,16,12.5,9,6.6,5.2,8.9,11.7,11.3,13.9,14.8
1941,15.8,16.3,14.5,13.7,10.8,6.4,6.9,8.8,10.9,13.6,14.7,16.3
1942,17.4,17.4,16,12.9,9.1,6.8,6.5,9.3,11.2,11.8,14.1,15.3
1943,15.7,15.2,15.1,13.6,9,5.3,7.2,7.8,10.8,13.1,14.1,13.7
1944,17,15.9,14.5,12.3,7.6,7,6.9,9.6,10.9,13.2,14.8,15.3
1945,15.4,16.8,14.9,13,8.3,4.9,6,7.7,11.8,12.3,14.4,15.2
1946,16.4,16.6,15.4,13.8,10.5,6.2,6.7,7.7,11.6,13,14.6,16.3
1947,16.4,17.2,15,13.9,9.3,7.3,5.1,9,10.2,13.6,15.1,15.3
1948,15.8,15.7,16.1,12.4,10.1,5.6,7.8,8.3,10.2,13.5,13.8,15.5
1949,17.2,15.6,14.7,12.5,9.4,7.7,6,8.4,12,12.8,14.1,15.6
1950,15.9,16.4,17,14.1,9.2,7.1,8.2,8.8,11.8,11.1,13.5,16.2
1951,15.2,15.9,15.5,13.7,10.5,4.7,5.3,7.4,10.4,13.9,14.2,15.9
1952,17.2,16.7,15.6,13.2,9.5,7.7,7.8,9,10.4,13.3,13.8,15.6
1953,16.8,17,15.3,12.3,9.9,5.2,4.5,8.2,9.1,12.2,13.6,16
1954,16.4,16.5,14.9,12.7,9.8,5.2,5.2,7.5,11.7,13.6,14.5,16
1955,16.5,16.8,14.7,13.3,10.2,6.9,6.1,7.5,9.8,12.1,13.3,15.6
1956,15.3,17.1,16.9,13.5,10.2,7.5,7.8,9.4,10.2,13,14.9,15.2
1957,17.9,18.2,16.6,14.4,9.7,7.1,9.1,8.8,12.9,14.1,16.5,15.9
1958,18.1,17.1,15.8,14.4,11.1,5.9,7.6,8.9,11.6,12.9,16.4,16.1
1959,16.5,16.8,15.6,13.9,9.4,8.4,7.9,8.2,10.4,13,14.5,16.1
1960,15.8,16.9,15.9,12.5,9,6.6,5.3,9.8,11.4,14,14.7,15.8
1961,16,17.1,16.7,13.6,11.4,9.4,8.4,8.1,12.3,12,14.5,15.1
1962,16.4,17.1,15.3,13,9.1,6.5,7,8.7,11.7,14.3,15.7,16.4
1963,16.5,16.2,14.2,12.3,8.7,7.3,6.9,8,11.5,13.6,15.5,16
1964,16.7,17.3,17.2,13.1,9.5,4.9,4.9,8.5,11.5,13.1,14.3,15.8
1965,16.9,17.2,15.4,12.4,9.3,5.6,6.7,9.5,11.1,10.5,14.9,16
1966,18.1,17.2,15.2,12.2,9.5,8.1,7.5,8.9,10.8,12.3,15.2,16.6
1967,17.5,16.6,15.6,14,10.8,6.5,5.9,8.2,11,13.1,14.3,15.2
1968,16.7,16,15.1,12.1,10.3,4.7,8.1,9.9,11.1,12.5,13,16.5
1969,17.5,17.8,17.4,13.9,9.8,7.6,7.8,8.5,11,13,14.5,16
1970,17.8,15.7,15.1,12.2,10.3,7.5,7.1,9.5,12,12.2,15.2,16.4
1971,17.2,16.3,16.6,14.6,9.6,7,6,8.4,12.1,12.6,13.9,15.7
1972,16.8,16.2,15.8,14,9.7,5.8,6.5,8.3,10.7,14,13.7,16.6
1973,17.6,16.3,17.7,13.3,10.8,7.6,7.6,8.3,11.8,12.9,14.2,15.5
1974,17.4,17.5,16.4,12.7,9.8,6.8,7.6,8.5,10,13.2,15.1,16.6
1975,16.5,16.9,14.9,12.6,10.6,7.2,5.8,8.3,13.4,12.7,14.4,16
1976,16.7,16.8,16.3,12.4,9.5,7,6.8,7.8,11.7,13.1,15,16.3
1977,17.3,17.8,15.7,14,9.1,7.3,6.4,9,12.5,14.5,15,16.8
1978,17.4,17.1,16.9,12.5,9.4,5,7.8,11.6,11.6,13.5,15.3,15.1
1979,16.4,17.3,15.4,14.1,10.2,7.7,7.1,10,12.2,14.3,14.9,15.7
1980,16.8,17.3,16,12.4,10,6.2,5.8,8.7,11.9,13.2,15.8,17
1981,18.3,17.5,15.7,12.5,10,5.6,7.2,8.5,10.7,10.6,15.4,16
1982,17.9,17.2,15.6,13.3,10.2,6.4,7.5,9.2,11.8,12.5,14.1,16.1
1983,17.7,16.5,15.8,15.1,11.8,8.7,8.3,8,12.2,12.9,15.7,16.3
1984,16.5,16.6,16.3,13,10.3,6.9,9.2,9.9,12.5,14.8,14.1,15.9
1985,17.7,17.8,16.7,13.2,10,7.4,7.3,9.5,12.7,13.6,14.9,16.4
1986,17.4,16.6,15.4,14.2,10.5,7,7.1,9.7,11.6,12.7,14.2,16.2
1987,17.6,18.5,17.3,15.5,11.2,6.8,7,9.5,12.4,12.6,16.1,17.7
1988,17.9,18.3,17.6,14.5,10,6.9,7.1,9.6,11.5,13.3,13.7,16.2
1989,16.6,17,16.3,12.6,11.6,8.5,7.4,10,10.8,12.4,15.1,16.3
1990,16.8,16.8,16.4,15,10,6.6,8.2,8.5,10.3,14,14.4,16.3
1991,17.4,17.4,16.8,12.1,10.5,8.7,7.4,9.3,13,13.7,14.7,15.8
1992,17.2,18.2,16.3,14.6,9.6,7.5,7.7,8.4,14.5,15.1,15,17.6
1993,17.3,18.2,16.3,14.4,12.2,7.7,9.5,10,13.8,15,14.9,16.7
1994,16.9,17,16.4,14.2,9.2,7.4,6.5,9.6,12.3,12.3,15.4,16
1995,17.8,17.6,17.1,14.2,11.2,8.4,8.2,11,12.9,14.9,16.2,15.9
1996,18.1,18.5,16,13.6,11.5,8.4,7.2,9.6,12,14.7,15.7,17.2
1997,17.9,18.1,17,13,9.9,8.7,8.5,10.5,14.6,13.6,15.1,17.2
1998,17.9,18.5,18,14.9,10.1,7.1,8.7,10.1,14.1,14.3,15.8,16.9
1999,17.9,17.8,17.8,15.1,11.1,8.4,8.4,10.3,12.7,12.6,16.2,17.1
2000,17.3,18.8,18.1,13.6,9.1,8.7,6.7,8.4,12.5,13.6,15.2,16.8
2001,16.6,17.2,16,14.5,10.4,7.7,7.6,9.9,11.8,14.4,15.7,16.9
2002,17.2,16.7,16.6,14.5,10,7.7,7.2,10.7,11.8,12.9,13.8,17.1
2003,17.4,18.6,16.4,14.2,10.6,8.1,6.6,8.2,11.3,13.4,15.7,17.1
2004,16.1,18.3,17,14.5,10.3,7.3,7.3,10.5,11.2,13.7,16.7,17.7
2005,18.3,18.1,15.8,14.3,11.2,8.4,7.4,10.6,12.6,13.9,16,15.9
2006,18.5,18.6,16.2,13.8,9.4,6.9,8.1,9.6,11,14.1,15.8,17.6
2007,17.2,17.2,15.8,14.3,9.5,7.4,7,8.8,12.7,13.4,15.5,15.9
2008,17,17.3,16.4,11.9,11.2,7,8.4,10,11.7,13.3,16,16.9
2009,17.8,17.4,15.5,12.9,10.6,8.7,7,9,12.4,13.6,13.5,16.3
