1901,16.1,18.6,16.9,13.6,11.9,8,7.7,9,11.3,11.9,16.2,16.1
1902,17.3,16.5,15.4,14.4,11.9,9.8,9.2,8.3,9.7,12.6,15.6,15.8
1903,17,17.8,17.3,14,10.8,9,8.4,8.5,10.7,13.2,15.2,16
1904,17.6,17.5,15.7,15.6,12.7,9.7,8.7,9.2,9.4,12.1,14.1,16.1
1905,18.4,17,16.2,14.7,12,9.4,8.1,9.4,9.5,11.2,13.2,15.1
1906,18.3,18.9,16.2,14.2,11.5,10.5,8.7,8.8,10.5,12.4,12.9,16.7
1907,16.7,16.7,15.1,12.8,11.8,9,8.1,9.6,10.9,12.2,14.5,16
1908,21.1,19,16.4,13.9,11,8.1,8.3,8.6,10.2,12.8,14.9,16.7
1909,17.1,17.4,16.4,14.2,11.1,9.3,8.2,8.8,9.8,12.5,14.6,15.3
1910,17.6,18.3,17.7,15,12.3,10.2,9.1,10.5,11.6,12,15.1,15.4
1911,16.9,18.7,17,13.2,11.8,8.4,8.6,10.9,11.1,12.9,15,15.3
1912,17.3,19.2,17,13.7,11.5,10.4,9.2,10.2,10.4,12.6,13.9,15.5
1913,16.9,18.5,15,14.9,11.1,9.4,9,9.1,10.3,13,12.7,17.4
1914,17.3,19.7,18.1,14,11.9,10.3,8.4,10.1,10.4,14.5,15.9,16.7
1915,18,18.7,16,14.2,11,9.7,9.6,9.9,11.4,12,13,15.9
1916,17.5,18.6,16.8,13.7,11.5,9.3,9.2,9,11.3,12.2,12.9,16.9
1917,17.4,17.7,16.2,13,10.3,9.7,8.9,9.9,11,12.2,14.1,17.9
1918,18.5,18.3,16.9,14.1,12.1,10.4,8.6,10.4,11.9,11.7,13.7,16
1919,17.2,18.5,15.8,16,12.1,9.9,8.5,10.1,12,13.2,15.6,17.8
1920,17.1,18.8,16.3,14.2,10.2,9.9,9.1,9.5,11.3,13,14.9,17.1
1921,18.8,19.3,17.5,14.5,12.6,10.4,9.8,9.3,12.1,12.5,15.7,15.8
1922,17.5,18.4,15.9,14.8,11.8,9.8,9.2,9,10.6,13,14.5,16.3
1923,16.8,17.8,16.3,14.9,11.8,10,9.2,9.6,10.3,12.1,13.5,16.5
1924,16,17,15.8,12,10.4,8.5,8.4,9.3,10.4,12.9,14,14.8
1925,16.9,16.9,16.3,14,11.4,10,8.2,8.5,9.5,12.3,13.9,15.9
1926,16.1,18.2,17.2,14.2,10.2,10.4,9.9,9.5,11.9,13.2,13.9,15.9
1927,17.7,18,15.6,13.4,10.7,8.7,8.5,8.9,10.4,13.9,15.1,16.9
1928,18.5,19,17.8,15.3,11.2,9.6,9.7,10.2,11.8,10.9,13.9,15.9
1929,17.1,18.6,16,14.3,11.6,9.4,8,9,9.3,11.4,13,14.8
1930,16.3,19.5,17.1,13.9,11.9,10.1,10.1,9.7,11.2,13.9,14.6,16.6
1931,16.3,17.6,15.9,13.3,12.2,9.9,8.8,9.3,10.3,12.1,14,16.2
1932,18.6,16.9,16.6,13.8,11.8,9.1,8.8,9.8,10.8,11.8,15.1,15.6
1933,16.4,17,16.5,13.7,11,10.7,9.5,9.1,10.9,14.1,14.8,16.8
1934,18.7,18.9,18.6,13.9,13,9.8,10,10.2,11.7,12.5,14.5,16.4
1935,17.3,17.9,16,14.1,11.2,9.5,9.2,10.4,10.6,12.9,14.5,17
1936,18.2,18.5,17.9,13.2,11.5,9.1,8.9,9.5,9.6,12.1,13.7,16.1
1937,16.1,17.9,16.9,13.3,11.3,9.2,8.9,10.3,11.4,13.3,15.9,16.9
1938,17.6,17.4,17.2,15.2,12.9,9.4,8.9,9.7,10.8,13.6,15.7,16.3
1939,18.2,18.7,16.7,14.6,12.9,9.7,8.2,9,10.7,12.3,13.3,14.7
1940,17.2,16,18.6,13.2,10.5,9.1,9,9.7,10.9,13.7,12.8,16.4
1941,17.2,17.8,15.4,14.8,11.1,9.7,9.1,9,10.6,11.2,14.3,16.5
1942,17.7,17.7,17,13,11.5,9.8,8.6,9.7,11,12.2,14.4,16.9
1943,18.9,17.7,16.5,12.5,9.9,8.3,8.5,7.8,9.5,11.9,13.6,15.2
1944,18,17,16,12,10.2,8.6,8.3,8.6,11.2,12.6,13.8,15.5
1945,16.7,16,14.3,12.5,10.4,10,8.4,9.6,10,11.9,14.5,16.7
1946,17.9,16.9,15.2,12.3,10.8,8.3,8.9,8.5,9.6,10.4,13.2,15
1947,17.7,19,16.6,14.1,12.8,9.9,8.5,8.4,10.4,11.5,12.8,15.5
1948,17.1,18.3,13.5,13.3,9.7,9,7.6,9.8,10.7,11.1,13.2,16
1949,16.6,15.7,15.5,12.4,10.1,8.4,8.8,9.3,10.4,12.1,13.3,14.7
1950,16.4,17.4,16,13.8,10.9,9.4,9.6,9.8,11.4,12.7,14.8,17.6
1951,19.6,18.4,17.8,12,11.9,10.6,8.4,8.8,10.9,12.3,13,15
1952,16.6,16.3,17.3,12.2,10.1,8.8,7.9,8.7,10.9,11.5,12.8,15.2
1953,17.1,17.4,17,13.7,11.3,8.3,8.2,8.3,9.8,11.3,13.1,15.5
1954,18.1,16.2,15.4,14.3,11.3,9.9,8.9,9.8,10.5,12.7,13.7,16.1
1955,18.4,18.1,16.6,13.6,9.9,8.6,8.1,8.9,10.5,12.1,12.8,15.2
1956,16.6,19.2,17.3,13.4,10.9,8.9,7.9,8,10,11,12,14.9
1957,16.5,17.2,15.7,13.1,11,12.1,9.2,9.9,10.7,11.6,13.8,15.5
1958,16.2,17.3,16.5,14.3,12.2,8.7,7.9,8.8,9.5,11.2,15,15
1959,19.9,17.6,16.4,14.3,11.3,10.3,9.3,9.9,10.6,12.1,15.2,14.5
1960,19.6,17.2,17.6,13.2,9.6,9,8.9,8.6,10.4,12.7,12.6,17.1
1961,19.8,18.9,17.1,14.8,11.7,10.7,9.2,10,11.7,14.2,15.3,17.5
1962,18.8,17.2,17.6,14.8,10.8,10.4,9.7,9.4,10.8,11.3,14.6,16.5
1963,18.2,17.2,16.7,13.5,11.6,10,8.8,9.7,11.1,14.6,14.2,17
1964,17.1,17.1,16.4,14.6,11.4,10.2,8.7,9.5,10.9,11.8,14.5,14.1
1965,16.1,18.2,16.5,12.4,11.9,10,8.7,10.1,11.8,13.7,13.6,17.1
1966,19,16.7,17.8,13.3,11.4,9,8,8.9,11,12.3,15,16
1967,17.4,19.2,16.9,14.8,11.5,11.5,9.6,9.7,10.9,13.6,14.2,15.1
1968,18.7,20.8,18.4,15.4,10.6,9.2,8.9,9.2,10.6,12.5,13.3,15.6
1969,19,19,17.2,14.4,11.7,9.6,9.9,10.6,9.3,13.1,14.6,15
1970,17.4,18.2,16.7,15,11,10.5,9.1,8.9,9.6,12.8,14.2,16.7
1971,18.5,19.4,18.5,15.3,11.8,9.5,9.5,9.1,10.8,12,13.5,16.2
1972,18,19.3,16.4,14.6,12.7,10.3,8.9,10.4,13,13.1,14.4,17.2
1973,19.3,18.8,16.2,15.3,12.5,9.6,10.5,9.9,11.9,13.6,14,16.8
1974,19,18,18.5,14.2,12.7,10,9.3,9.3,9.9,12,12.8,14.8
1975,15.9,18.9,16.5,14.1,12.7,10.3,11,9.7,12.2,12.9,15.5,17.6
1976,18.1,19.5,17,14.4,11.9,10.7,9.3,9.4,10.9,11.7,14,15.9
1977,17.8,18.8,17.1,13.6,11.5,9.6,8.8,11.5,10.5,14.1,14.2,15.8
1978,17.5,17.1,17.4,14.4,13.2,10.3,8.7,8.9,11.1,13.5,14.8,15.2
1979,19.9,18.9,17.7,13.6,11.3,11,9.4,9.6,10.8,12.7,14.8,16.4
1980,16.1,17.5,16.3,15.3,13,10.3,9.3,10.8,12.2,13.5,15.7,17.6
1981,20.5,19.9,16.7,15.2,12.5,10,9.2,9.5,12.4,13.6,14.2,16.4
1982,19.6,19.1,18.3,15,12,9.6,8.6,11.9,10.8,12.6,15.9,16.3
1983,16.6,20.3,17.7,13.3,12.4,9.6,9.1,10.5,10.9,12.5,14.4,16.9
1984,17.1,18.2,15.8,14.3,12.4,10.8,9.3,10.1,10.5,12.9,15.3,14.8
1985,16.7,17.8,17.8,15.5,12.7,9.6,9.5,10,11,13.4,14.9,16.7
1986,16.9,17.7,17.5,14.4,12.2,9.5,9.2,10.1,11,12,14.6,15.2
1987,16.8,17.6,15.3,15.2,12.3,10.5,9.2,9.9,12.1,12.6,15.2,15.8
1988,19.9,17.8,17.7,15.7,13.7,11.2,10.5,10.7,12.3,13.5,15.3,17.1
1989,17.9,19.4,18.1,15.8,13,10.1,9.5,9.3,11.4,12.5,15.2,16.9
1990,18.6,18.1,17.7,15.6,12.7,10.1,10,9.4,11.6,13.4,15,17.1
1991,18.5,17.8,17,14,12.3,11.8,10,9.1,10.7,14.1,14.1,15.9
1992,16.2,17.6,17.5,14.8,12.3,9.8,9.5,9.2,9.7,12.8,13.7,16.6
1993,18.8,18.8,17,16.1,12.4,10.1,10.5,11.2,11.5,12.7,14.1,15.8
1994,17.2,18.6,16.3,15.4,12.1,10.6,10.3,9.3,10.2,13.1,14,17.9
1995,18.9,19.4,16.1,12.4,11.7,10.3,8.5,11,10.5,12.6,14.1,14.4
1996,17.6,16.7,16.6,13.1,12.2,10.5,9.4,9.9,11.2,13.6,13.7,14.8
1997,19.1,20.1,16.1,14.4,12,10.6,9.1,9.7,10.9,13.2,15.1,16.1
1998,18.7,18.5,17.2,13.8,12,10.1,9,10.3,12.4,12.4,14,16.9
1999,18.6,19.3,16.9,13.6,13,10.8,10.4,11,12.8,14,14.2,17.2
2000,17.4,20.8,18.1,15.1,11.9,10.5,9.9,10,11.7,12.5,16,17.6
2001,20.2,20.6,17.2,14.9,12.3,11.6,10.8,10.6,13.1,12.9,14,14.8
2002,17.2,17.7,17,16,13.2,11,10.3,10.5,12,12.9,14.8,15.9
2003,18.6,18.6,17,14.9,13,11,10,10,10.7,11.4,15.6,18.2
2004,17,18.1,16.8,15.2,11.6,10.6,9.4,10.4,11.3,13.6,15.2,16.5
2005,18.6,17.5,16.3,17,12.7,11.5,10.7,10.9,11.8,14.5,16.5,17.5
2006,19.1,17.9,17.7,13.3,11.3,9.6,10.1,10.5,11.5,12.8,13.7,15.6
2007,18.5,19.7,17.3,15.3,13.8,9.9,9.6,11,11.1,12.8,15.3,17.4
2008,19,17.2,17.6,14.2,12,11.8,9.3,9.3,11.6,13.5,14.3,15.2
2009,18.1,18.2,16.5,14,12,10.6,10.2,11.4,11.9,12.4,16.9,17
