1901,16.3,16.9,15.9,12.1,11.5,7.5,7.1,8.5,11.6,11.1,16,16.3
1902,16.4,18.7,13.8,12.4,11,8.7,7.8,7.4,8.4,12.4,14.5,14.5
1903,17.6,18.3,17.2,12.7,9.4,7.6,7.1,8.4,7.8,11.4,15.1,14.8
1904,19,16.1,14.5,14.4,11.9,7.6,8.6,8.8,10.1,12.9,15.2,16.2
1905,18.8,18.4,14.9,13.4,11.5,7.9,7.7,9.2,9.4,11.1,14,15.2
1906,18.4,17.7,16.2,12.6,10.8,8.1,8.3,8.6,10.5,13,12.5,16.2
1907,16.7,18.7,14.9,12.3,11.9,9,8.2,9.7,10.3,14.3,15,14.8
1908,18.9,18.3,16,12.1,10.4,9.3,7.4,8.3,9.5,12.2,15.8,16.1
1909,15.3,16.1,16.2,13.7,11,8.2,7.9,7.2,10.1,12.6,16.2,16.1
1910,17,18.2,16.6,13,10.8,7.9,7,9.5,10.4,13.4,16.6,14.6
1911,16.9,16.4,15.6,12.1,10.5,7.9,6.7,9.2,10.3,13,15.8,15
1912,17.1,18.9,15.5,12.9,10.3,8,7.7,9.1,10,14,16.2,16.1
1913,16.9,17.9,14,12.5,9.3,7.6,8.4,8.1,9.9,13.1,15.2,16.7
1914,17.1,16.6,16.5,12.8,10.6,9.1,6.8,9.7,10.6,12.1,13.2,15.7
1915,17,17.7,15.1,12.2,10.1,8.2,7.9,8.7,10.6,12.8,14.5,17.3
1916,16.8,17,15.3,11.9,9.7,7.6,7.4,8,9.7,10.6,11.9,14.8
1917,16.5,16.5,14.3,11.2,8.9,8.3,8.6,9.3,10,12.3,13.6,15.6
1918,17.1,17.1,16.1,12.5,10.7,8.1,7.6,9.4,10.6,11.1,12.5,15.7
1919,16.5,18,14.9,13.8,10.4,8.9,7.4,8.5,10.6,11.9,14.2,15
1920,15.9,18.1,15.9,12.6,10,8.1,8.5,8.9,10.6,12.4,13.4,15.7
1921,18.3,17.8,16.3,13.2,10.6,9.3,8.4,8.2,11.8,11.4,16,14.4
1922,17.1,17.8,15.2,12.9,10.8,8.1,8.3,8.7,10.1,12.5,14.1,15.5
1923,16,17.2,14.9,13.2,9.8,8.7,8.3,9.3,9.8,11.2,12.5,15.7
1924,15.8,15.9,16.4,13,11.2,8.7,8.3,9.6,9.9,12,14.1,14.2
1925,17.2,16.8,15.1,13.1,10.9,9,8,8.5,9.4,11.7,13.2,15.2
1926,16.3,18.3,16.7,13.8,9.7,10.2,9.1,9.1,10.7,12.5,14.3,15.3
1927,17.2,17.4,14.6,11.9,10.6,8.3,7.8,8.5,10.2,12.3,13.8,16.9
1928,18.7,18.1,18.2,15,11,9.4,9.7,10.5,10.1,10.4,13.7,15.7
1929,17.1,18.8,16,13.5,11.4,8.4,7.8,8.9,9.8,11.8,12.7,14.3
1930,16.6,19.1,17.1,13.1,11.9,8.9,9.8,9.4,10.4,13.2,13.7,16
1931,15.4,17.6,16.1,12.9,11.9,8.6,7.4,8.6,10.3,11.6,12.9,14.5
1932,17.3,16.7,16.7,13.3,11.8,8.9,8.2,9.3,10.4,11.7,14.7,15.3
1933,15.2,15.6,15.4,12.1,10.2,8.7,8.7,7.9,10.6,12.9,13.9,16.1
1934,17.8,19,17.7,12.7,12.3,8.4,8.9,9.6,10.9,12.5,15.1,15.6
1935,16.4,17.6,16,13.7,10.6,8.9,9.2,9.5,10.6,12,14.7,15.6
1936,17.3,18.1,16.1,12.2,11,7.6,7.9,7.5,8.6,12,12.5,15.8
1937,15.2,16.7,15.6,11.4,9.6,7.5,7.6,9.7,10.3,13.3,14.4,15.4
1938,17.2,17.6,16.2,13.9,11.2,8.1,7.7,8.8,10.6,12.2,14.3,13.9
1939,16.2,17.1,15.6,14.2,12.1,8.7,7.8,7.9,9.7,12.8,14.9,14.6
1940,16.3,14.9,16.4,12,9.7,8.5,7.1,9.6,11.2,13,13.7,16.1
1941,15.7,16.8,14.2,13.1,10.3,8.6,7.2,8,10.2,11.2,13.5,15.1
1942,16.3,17.2,16.5,12.7,9.5,9.1,7.1,8.5,10.7,13.7,14.2,15.8
1943,17,16.3,15.9,12,8.9,7.2,7.3,7.3,10.4,11.5,13.3,14.9
1944,17.7,16.2,16,10.8,10.2,7.6,8.1,8,9.9,11.7,13,16
1945,17.1,16.2,13.1,12.2,10.1,8.6,7.3,8.8,10.3,11.6,14.8,16.3
1946,16.3,16,16.3,11.6,10.2,7.2,7.7,7.2,8.5,10.3,12.5,15.2
1947,17.4,19.1,17.1,13.8,12.3,8.3,7.7,8,10.8,11.4,13.8,16.5
1948,18,17.4,13.8,12,9.1,8.5,7,9.4,10.8,10.8,13,15.1
1949,15.9,13.8,15.7,11.6,9.7,7.9,8.9,8.8,10.3,11.4,14.3,13.6
1950,16,16.2,15.2,13.1,9.8,9,9.1,9.2,12.6,14.1,15.1,18
1951,21.1,18.3,16.6,11,10.8,9.3,8,7.6,11.8,12.6,12.9,15.3
1952,15.9,15.6,16.5,11.8,10.1,8.3,8.2,8.7,10.7,12.4,13.8,16.7
1953,19.1,18.6,17.9,12.4,10.7,7.5,7.5,7.8,9.6,12.8,13.1,14.2
1954,18.8,16.1,14.5,13.3,10.4,8.4,8,9,11.2,12,13.7,17.7
1955,17,18,16,13.9,9.9,8,7.9,8.9,10.8,12.6,12.6,17.3
1956,17.9,20.5,17.7,13.9,11.3,9,7.6,8.3,11.5,11.9,12.4,13.7
1957,16,18.1,15.5,12.9,9.5,9.8,8.6,9.7,10.8,11,12.3,14.9
1958,15.7,17.2,14.6,13.3,10,8.6,7.9,7.9,10.6,10.8,15.4,14.7
1959,20.2,16.9,16.1,14.1,9.9,9,8.3,8.5,9.5,12.2,15.7,16.6
1960,19.8,16.2,16.9,12,9.5,8.1,7.9,8.6,10.3,12.8,12.3,18.6
1961,20.4,18.3,16.4,14.6,10.6,9.1,8,9.7,11.7,13.9,15.5,16.5
1962,18.7,17.2,16.5,13.2,10.3,9.5,8.4,8.2,10.1,10.8,14.1,15.9
1963,18.8,16.3,16.1,11.8,8.7,8.8,7.6,8.7,10.8,14.2,14.3,16.6
1964,14.9,16.2,14.8,13.3,10.7,9.1,7.2,8.4,11.2,12.7,14,13.2
1965,15.3,17.3,15.2,11.2,10.1,9,7.7,8.9,10.7,13.2,13,16.9
1966,18.1,17.6,17,12.6,10.6,8,7.6,8.5,11.2,12.8,15.3,15.9
1967,16.7,18.5,16.1,13.4,11.2,10.1,8.8,9,10.5,13.3,13,14.3
1968,17.5,18.3,16.9,13.6,9.3,8.2,8.1,8.5,9.8,11.1,11.4,15.9
1969,17.9,18.1,16,12.5,10.2,8.6,8.9,9.3,8.5,12,14.3,13.1
1970,17.7,16.9,15.9,14,10.2,9.6,8.1,8,8.6,11.7,14.8,15.2
1971,18.6,20.2,17.9,14.8,11.2,9,8.7,8.2,9.6,11.6,13.5,16.9
1972,17.7,20.8,16.3,14.1,11.3,9.5,8.1,9.9,11.7,12.5,14.5,15.2
1973,18.2,18.5,14.8,14,10.8,8.1,9.4,9.5,11.7,14,13.8,18.5
1974,20.7,18.7,18.4,13.8,11.7,10.2,8.6,9,9.9,13.4,13.7,15.4
1975,16.4,18.1,15.4,12.5,10.6,8.5,9.4,8.2,11.5,12.1,14.8,17.4
1976,18.5,18.9,16.4,13.8,10.8,8.5,8.2,7.9,10.4,10.9,14.3,15.6
1977,17.9,18.8,17,12.3,10.8,8.3,8.1,10.3,10.2,12.7,13.2,14.6
1978,16.9,16.7,15.5,12.5,11.7,8.4,7.4,7.9,11.5,12.6,14.7,15.3
1979,18.4,17.5,16.5,12.9,10.3,10.4,8.8,8.3,10.2,12.7,14.3,15.3
1980,15.5,16.2,14.4,14.7,12.7,9.6,8.7,10.1,10.7,13.6,14.4,18
1981,19.7,20,16.5,13.9,11.6,9.2,8.4,9.2,11.5,13.6,14.6,16.2
1982,18.1,18.7,16.6,13.2,10.7,8.7,8,10.2,10.1,11.7,14.2,15.1
1983,15.4,19.5,15.4,12.7,11.3,8,8.1,10,9.7,12.2,14.1,16.6
1984,17.2,17.3,15.9,12.3,11.4,9.9,8.3,8.6,9.8,12.1,15.7,14.1
1985,16.5,16.5,17,15.5,12.1,8.4,8.5,9.7,10.7,13.7,15.2,16.1
1986,17.1,17,17.2,12.9,10.6,7.9,8.2,9.2,10.4,12.2,14.2,15.8
1987,15.7,16.8,14.7,14.1,11.4,8.6,8.4,9,10.7,12.4,15.3,16
1988,18.7,16.6,15.8,14.1,11.6,10.5,9.7,9.5,11.7,11.4,15.3,17.1
1989,18.6,19.4,16.8,15.1,10.9,8.3,8.5,9.2,11.5,12.4,14.9,17.1
1990,18.4,17.8,17.1,14.3,11,9.3,8.8,8.2,11.1,13,15.1,15.4
1991,17.5,16.4,15.6,12.2,10.5,10.1,8.7,8.2,10.2,12.5,13.4,14.8
1992,15.1,16.6,15.9,13.7,11,8.1,8.1,8.2,9.1,12.9,14.2,16.3
1993,17.5,18.3,15.7,14.2,11,8.7,9.4,10,11,12,13.1,15.1
1994,15.7,18.1,15.8,13.5,10.1,8.8,9,8.1,9.4,12.2,12.4,17.4
1995,18.5,18.8,14.5,11.7,10.5,8.3,7.3,9.1,9.7,11.3,13.4,13.4
1996,17.4,16.2,16,11.2,10.5,9,8.6,8.5,10.1,11.7,12.8,14.1
1997,19.2,18.2,15.1,13.6,11.1,9.5,9.4,8.9,10.9,12.9,14.3,15
1998,19.6,17,15.9,12.1,11.9,8.7,8.7,10.8,12.2,11.4,14.8,17.4
1999,18.4,18.7,16,12.3,11.9,9.7,9.3,9.6,11.9,13.7,13.8,16.3
2000,17.9,19.3,16.6,13.4,10.8,9.6,9.4,9.1,10.7,11.9,16.5,15.6
2001,19.3,20,16.8,13.3,10.7,9.5,9.4,9.6,12.5,12.7,14.1,14.1
2002,17.5,17.9,16,14,11.4,9.6,9.3,9.2,10.6,12,15.3,15.8
2003,18.8,18,15.6,13.5,11.7,9.5,8.7,9.4,9.6,10.9,14.2,17.1
2004,15.8,16.4,15.6,12.8,10,8.9,8.1,8.3,10,12.7,13.8,16
2005,17.7,16.9,15.2,14.2,10.6,10.1,9.1,9.3,11,13.4,15.6,16.9
2006,17.5,17.2,16.5,10.9,9.9,8.6,8.3,10.2,10.9,13,13.1,15.7
2007,18.1,19.4,16.2,13.6,13.1,8.4,8.4,9.7,11.2,12.2,14.8,17.4
2008,18.6,16.8,16.8,13.1,11.3,10.4,8.1,8.8,10.8,12.7,13.9,14.8
2009,17.1,17.5,16,13.1,11,9.6,8.6,9.9,11.2,12,15.7,16.8
