1901,15.9,16.1,15.1,13.3,11.4,8.7,10.3,9.6,11,14.1,13.9,14.7
1902,16.7,17.5,16.2,15.1,12.6,11.2,11.2,8.3,12.2,12.9,16.5,16.6
1903,15.2,17,17.3,13.2,10.6,10.7,8.6,10.1,11.2,12.9,14.8,16.8
1904,16.5,16.1,16.5,13.7,9.9,8.4,9.6,10,12,13,14.8,15.6
1905,15.9,17.5,15,14.3,12.5,10,9.5,10.1,11.9,15.3,14.4,16.6
1906,16,15.5,15.4,14.1,12.8,11,10.1,11,11,14.3,14.8,16.1
1907,16.3,16.6,16.4,14.4,9.6,10,8.3,8.9,12.6,12.8,14.6,17
1908,16.4,16,15.1,13.8,11.1,10.2,10.4,8.5,11.1,13.1,15.1,16.7
1909,17,17.9,15.2,13.2,10,9.3,10.8,10,11.2,12.2,14.8,14.5
1910,17.4,16.8,16.6,15.2,9.4,10.9,8.2,10.6,11,11.4,13.3,14.6
1911,17.4,17.5,14.7,13.8,12.4,9.4,8.4,9,11.2,12.4,15.8,16.1
1912,16.6,18,14.8,14,13.6,10.8,8.2,9.5,8.8,12.4,15.8,15.5
1913,16.4,17.3,16.7,14.4,12.4,10.3,10.3,11.1,12.2,14.1,14.9,15.9
1914,17.8,15.6,16,14.3,11,12,12.1,11.1,12.5,14.8,15.4,15.5
1915,18,18.1,15.7,16.4,14.4,9.3,9,10.6,12.3,13,13.5,14.5
1916,16.9,15.8,14,14,11.2,10.7,9.6,10,13.1,12.4,14.9,15.2
1917,16.4,16.2,15.7,13.2,8.4,8.4,7.8,8.7,10.8,11.9,12.4,13.7
1918,16.9,15.9,14.5,13.9,11.6,10.3,7.7,8.9,11.1,13.3,13.3,13.9
1919,15.4,15.5,15.5,14.6,13.5,12,10.8,9.6,9.5,12.8,13.4,14.7
1920,17.2,16.9,15.1,14.7,10.9,10.1,10.7,7.6,9.9,13.7,14,15.6
1921,16.2,16.4,15.9,13.2,12.1,8.9,7.7,12.1,10.7,12.6,12.3,16.3
1922,16.5,16.4,16.4,14.4,12,10.2,9.4,10.6,11.7,12.5,13.6,15.8
1923,16.1,16.1,16.3,14.9,11.9,10.1,8.6,10,11,12,13.4,16.4
1924,15.6,16.1,16.5,14.2,12.2,10.3,9,8.7,11.3,11.2,13.4,14.8
1925,17.5,17.6,15.9,16.2,11.7,8.4,7.1,10.8,11.6,12.4,14.9,15.5
1926,16.4,15,15.8,14.1,10.7,10.9,8.2,10.3,12.6,13.4,14.5,15.9
1927,15.8,15.8,16,14.8,10.4,9.8,7.9,9.9,12,12.4,15.1,14.7
1928,16.4,17.8,17.4,16.2,11.8,10.8,10.4,10.1,12.9,13.3,14.9,16
1929,17.4,17.2,16.1,12.5,10.8,10.8,9.4,9.9,13.1,14.5,13.5,16.4
1930,16.3,16.4,15.8,13.9,12.8,12.3,10.4,11.1,10.7,13.4,14.1,15.7
1931,17.7,16.2,16.3,14.7,12.1,9.7,10.7,10.5,11.1,13.2,13.9,16.3
1932,16,18.3,17.4,15.9,12.2,10.8,10.8,10.2,13.7,14.5,15.5,15.9
1933,16.5,17.3,15,13.2,11.7,8.6,8.9,10,12.1,12.8,13,15.2
1934,16.6,17.3,16.3,15.1,11.8,10.5,9.7,10.6,12.1,13.2,14.9,15.9
1935,15.7,16.2,15.4,12.3,10,10.3,9.7,9.3,10.7,12.8,13.1,15.4
1936,16.3,14.8,14.6,14.5,13.6,11,10.2,8.9,10.8,12.8,13.2,15.3
1937,15,16.1,16.3,13.2,9.9,9.3,10.5,10.2,11.2,11.9,12.8,13.6
1938,18.4,16,15.8,14.3,10.4,8.9,9.5,8.7,11.7,12.4,13.6,15.4
1939,16.1,17.1,16.1,13.5,12.6,10,7,11.2,9.7,13.4,14.4,15.3
1940,17.4,15.1,15.7,15,12.3,9.9,11.6,10,10.7,12.3,13.5,17
1941,19.3,19.2,16,17.6,12.4,9.2,9,11.4,9.3,14.2,14.6,16
1942,18.1,17.3,16.7,14.5,12.3,10.3,7.3,10.6,11,13.9,15.1,14.6
1943,15.8,16.5,16.1,13.6,13.3,12.3,9.8,9.5,11.1,14.4,15.4,15.6
1944,17.4,17.5,17.6,14,11.6,9.7,9,12,13.6,16.9,14.4,17.1
1945,17,17.8,16.4,14.2,10.3,9.3,10.7,12.9,11.8,14.7,15.1,16.1
1946,16.5,17.8,15.4,13.2,12.5,9.1,8.6,10.7,14.5,14.4,14.7,15.1
1947,17.7,17.6,15.3,13.1,12.7,11.9,8.5,9.7,11.1,11,13.3,14.1
1948,17.3,17,14.9,13.5,11.9,9.2,10.6,8.4,12.3,12.4,14.4,14.9
1949,16.4,15.5,18,13.7,11.3,11.3,10.1,10.8,11.5,13,13.7,15.3
1950,17.1,16.7,16.2,14.6,12.8,11.4,9.9,12.6,12.9,13.1,14.3,15.4
1951,15.9,16.8,16.1,11.6,10.9,8.9,8.8,8.8,11.6,13.5,15.1,14.4
1952,16.7,17.8,16.8,14.2,9.7,10.6,9.7,12.1,12,14,14.9,16.3
1953,17.1,16.6,16.1,14.4,12.5,10.1,8.8,10,13,13.8,14.2,15.5
1954,17.6,17.2,16.6,14.6,12.2,11.7,10.2,11.9,12.9,13.8,14.3,14.9
1955,16.8,17.1,15.6,14.1,12.5,10.4,10.1,10.6,12.5,13.1,13.6,16.9
1956,19.9,17.6,16.6,14.5,11.9,10.3,10,9.2,13.3,13.9,13.9,15.6
1957,17.9,16.6,17.2,14.6,12,10.8,10.1,11.2,12.4,15.9,15.5,17.4
1958,18.9,18.6,16.6,14.2,12.9,11.5,12,13,12.5,14.8,16.6,17.7
1959,18.4,18.7,16.6,17.3,13.8,11,12.1,11.3,14.5,15.3,15.6,16.9
1960,17.4,17.2,16.8,14.4,11,10.5,10.1,12.4,13.1,16,15.6,16.6
1961,18,18,17,16.3,13.2,12.6,11.2,12,15.9,16.4,17,16.5
1962,17.2,17.4,17.5,14.8,11.7,9.9,9,10.7,13.1,13.4,15,16.4
1963,18.7,17.6,18.8,15,11.8,10.1,10.8,12,15.8,15.6,17,16.6
1964,17.5,17.7,16.8,16.5,12.5,10.4,8.5,12.3,13.1,13.9,13.9,15.3
1965,16.5,17.4,15.7,15.5,12.7,13.4,10.6,11.9,14.7,14.5,16.6,17.7
1966,18.5,19.2,16.9,15.8,13.4,12.1,12,10.9,12,14.2,15.7,17.3
1967,17.4,18.3,17.1,15.4,13.7,12.1,11.5,12.9,13.6,16.7,15.5,15.1
1968,17.1,16.1,16.9,12.9,9.8,10.1,9.8,10.1,11.7,14.6,16.8,16.8
1969,18.8,18.6,17.9,14.8,13,12.3,11,12,14,13.2,16.4,15.5
1970,17.6,17.7,18.1,15.7,15,13.5,10.9,11.2,12.7,14.2,14.3,17.8
1971,19,18.8,18.3,15.3,13,11.2,10.8,12.2,12.8,13.6,14.4,16.4
1972,17.6,16.9,18.5,13.4,13.9,13.3,11.1,12.5,13.4,14.9,16.4,17.7
1973,19.1,19.7,17.4,18.9,13.7,13.4,12.6,11.8,13.1,13.9,12.1,17.2
1974,16.9,19.1,17.9,14.9,12.5,10.6,10.8,11.6,12.6,13,14.7,15.4
1975,16.7,17.9,18,14.5,11.8,11.7,9.1,13.4,13.9,13.8,14.8,16.8
1976,18.9,16.8,15.5,15.2,12.1,11.2,10.2,11,13.2,13.2,15.8,17.4
1977,18.8,19.8,18.8,15.5,12.7,12.3,14.2,11.7,14.5,16.3,16.4,16.3
1978,19.1,17.7,18.9,14.3,11.1,11.4,12.1,16.1,12.4,15.1,15,16.1
1979,15.4,17.8,16.3,14.4,13.1,10.6,10.2,13.1,11.9,14.5,15.5,17.3
1980,17.3,17.5,17.7,16.2,14.2,9.8,12.4,11.4,11.4,15.6,14.7,18.6
1981,17.5,18.1,16.4,15.3,13,10.1,9.6,12,14.4,14.1,16.9,17
1982,16.5,18.6,17,14.1,12.2,13.1,12,12.9,13.2,14.7,18.2,16.5
1983,19,19,17.2,16.6,14.7,14.7,12.9,11.9,11.7,14.8,17.1,17.7
1984,20.3,21,18,15.6,15.8,13.2,12.8,11.4,12.8,16.3,16.7,16.8
1985,17.3,19.1,18.7,16.9,13,10.8,10,13,12.9,15.7,16.9,17.4
1986,19.5,18.5,18.4,17.4,15.1,12.4,11.2,13.1,13.2,15.1,17.4,17.8
1987,19.3,18.5,17.5,17.9,12.4,10.6,13.2,11.1,12.1,15.9,17.5,18.2
1988,20,18.2,18.7,16.4,14.6,11.3,9.2,12.1,15.3,14.6,15.2,18.2
1989,18.6,19.4,18.7,17.4,13.3,11.6,10.2,11.9,13.1,13.7,15.7,17.8
1990,20.1,19.2,19.2,18.7,13.6,11.6,11.1,11.4,11.8,17.2,19.3,17.1
1991,18.6,18.1,17.6,16,14,12.9,11.7,12.1,12.9,14.8,17.6,18.4
1992,18.4,19.1,18.1,16.6,15.2,13.8,11.3,11.3,12.7,14.9,16.2,17.9
1993,19.3,16.7,17.6,16,13.8,11.7,12.7,11.1,12.1,16.5,17.2,16.3
1994,17.8,19.3,16.5,16,15.1,11,11.1,12,11.5,16.8,17.5,18.7
1995,19.1,19.5,18.3,16.5,14.6,12.6,13.5,14.7,12.9,14.7,17.1,17.5
1996,19.6,19.2,18.8,17,13.9,12.6,10.7,11.9,13.3,16.2,16.8,19
1997,18.3,19.1,17.5,16.1,13.3,11.8,11.7,13.2,15,16.1,17.8,19.6
1998,20.5,19.8,19.1,17,13.1,11.4,12,14.5,14.3,14.9,16.2,18.4
1999,19.7,19.4,19.1,15,12.9,11.9,12.4,12.1,14,13.4,14.8,18.1
2000,18.7,18.2,17.5,16.4,13.5,13.4,10.5,11.7,13.5,17.8,17.2,18.3
2001,20.1,19.8,19.7,18.4,13.7,12.8,12.4,13.5,13.8,16.1,17.4,17.5
2002,18.8,17.7,20.1,18.8,15.1,14.8,11.5,15.1,13.3,19,17.8,18.9
2003,18.9,21.2,18.5,17.3,13.7,14.4,12.9,11,13.6,15.9,17,18.2
2004,17.6,17.4,17.3,17.3,12.8,12.1,11.4,12.4,16.4,15.1,16.8,17.3
2005,18.6,18.2,18.5,18.2,15.2,14.1,12.2,14.3,13.3,16.8,16.4,16.8
2006,19.9,19.4,18.8,16.5,12.5,12.5,13.3,13.7,13.8,16,16.6,18.5
2007,18.9,19.6,20.1,17.8,13.2,13.8,11.6,13.3,15.7,17.1,16.1,18.4
2008,17.8,18.5,18.1,16.9,13.1,12.2,12.6,13.8,13.2,16.5,16.5,17
2009,18.5,19.6,19.6,16.4,14.9,11.3,12,13.2,15,15.7,19.8,18.5
