1901,16.5,16.7,15.5,13.1,11.2,8.6,10.2,9.9,11.5,14.4,14.3,14.8
1902,16.7,18,16.8,15.1,12.9,11.2,11.3,8.6,12.7,13.3,16.6,16.9
1903,15.7,17.4,17.8,13.7,10.6,10.9,8.9,10.3,11.9,12.7,15.1,16.8
1904,16.4,16.3,17,13.9,9.7,8.2,9.6,10.2,12.4,13,15,15.5
1905,16.2,17.2,15.2,14.3,12.2,9.7,9.4,10.3,12.4,15.9,14.7,16.4
1906,16.4,16,15.6,14.1,12.8,10.6,9.9,11.3,11.2,14.3,14.9,15.9
1907,16.3,16.9,17.1,14.5,9.5,9.7,8.2,9.2,12.8,12.9,14.6,16.8
1908,16.5,16.2,15.3,14.1,11.3,10.2,10.3,8.7,11.6,13,14.9,16.1
1909,17.4,18.1,15.2,13.4,9.6,9.3,10.3,10.4,11.5,12.4,14.8,14.2
1910,17.9,16.8,16.6,15.5,9.6,10.9,8.3,10.9,11.3,11.8,13.9,14.8
1911,17.7,17.7,14.8,14,12.3,8.6,8.3,9.3,11.4,12.5,15.8,16.2
1912,17.2,18.4,15.6,14.4,13.5,10.8,7.9,10,9.2,12.6,15.8,15.7
1913,16.3,17.4,16.9,14.6,12.3,9.7,10.1,11,12.3,14.3,15.1,15.5
1914,18.2,16.4,16.3,14.5,11,11.8,12,11,12.6,14.8,15.9,15.4
1915,18.1,18.6,15.9,16.6,14.2,8.8,8.7,10.6,12.4,13.1,13.8,14.7
1916,17.4,15.8,14.3,13.9,11.5,10.1,9.1,9.9,13.1,12.6,15.1,15.3
1917,16.5,16.5,15.7,13.1,8.2,8,7.4,8.2,11.2,12,12.3,13.6
1918,16.7,15.6,14.5,13.5,11,9.3,7.3,8.6,10.9,12.9,13.4,13.6
1919,15.5,15.4,15.6,14.3,13.2,11,10.3,9.1,9.2,12.5,13.3,14.4
1920,17.5,17.2,15.6,15,10.8,9.6,10.2,7.9,10.5,14,14.3,15.7
1921,16.6,16.6,16.1,13,11.9,8.1,7.1,11.8,10.7,12.5,12.5,16
1922,16.5,16.2,16.3,14.3,11.6,9.7,9.3,10.7,11.8,12.3,13.6,15.4
1923,16.3,16.4,16.4,15.1,11.2,9.5,8,10.1,11,12.3,13.6,16.4
1924,15.7,15.9,16.7,14,11.7,10,8.7,8.4,11.2,11.2,13.2,14.8
1925,17.5,17.7,15.8,16,11.4,7.9,6.7,11.2,11.9,12.5,14.8,15.5
1926,16.6,15.2,16.3,14.3,10.5,10.6,8.1,10.6,12.9,13.5,14.7,15.9
1927,16.4,16.3,16.3,14.6,10.3,9.5,7.8,9.6,11.8,12.4,14.9,14.7
1928,16.5,17.7,17.1,16.1,11.6,10.1,9.9,9.7,12.5,13.2,14.9,15.9
1929,17.3,17.3,16,12.4,10.4,9.8,9.4,9.8,12.9,14.2,13.5,16.1
1930,16.7,16.5,15.9,13.9,12.6,11.6,9.6,11,10.7,13.2,14,15.5
1931,17.9,16.4,16.5,14.4,11.4,8.9,10.3,10.1,10.8,13,13.8,16
1932,16.1,18.1,17.3,15.6,11.9,10,10.5,9.7,13.1,14.6,15.4,15.5
1933,16.6,17.3,15.2,13,11.6,7.9,8.2,9.8,12,12.9,13.1,14.9
1934,16.6,16.9,16.5,14.7,11.7,10.4,9.3,10.5,11.9,13,14.8,15.4
1935,16.1,16.7,16.1,12.3,10.1,10.4,9.8,9.6,10.8,13,13.5,15.7
1936,16.6,15.3,15.2,14.5,13.8,11.2,10.2,9.1,11.2,13.3,13.8,15.4
1937,14.9,16.4,16.6,13,9.9,9.5,10.5,10.9,11.7,12.1,13,13.6
1938,18,16.1,16.5,14.1,10.6,9.2,9.3,8.9,11.9,12.4,13.8,15.2
1939,16.1,17,16.3,13.3,12.5,9.7,7.2,11.4,10.6,13.8,14.2,14.9
1940,17.3,15.4,15.9,14.5,13,10.2,11.7,10,11.2,12.3,13.7,17.2
1941,18.4,18.2,15.6,17.4,12.3,8.6,8.6,11.1,8.8,13.6,14.1,15.3
1942,17.5,16.9,16.5,13.8,11.5,9,6.5,10.3,10.9,12.9,14.4,14
1943,15.7,16.1,16.1,13.2,12.9,11.4,9.5,8.5,10.3,13.8,14.7,14.7
1944,16.9,16.7,16.9,13.1,11.4,9.4,8.4,11.8,13.4,16.5,13.8,16.3
1945,16.7,17.4,16.1,13.8,9.6,8.3,10,12.7,11.5,14.3,14.8,15.3
1946,16.4,17.6,15.4,13.1,12.5,9,7.9,10.9,14.1,14,14.9,14.8
1947,17.4,17.8,15.3,13.4,12.6,11,7.9,9.5,10.9,11,13.3,13.7
1948,17.5,17,15.2,13.6,11.7,9.2,10.3,8.5,12.5,12.5,14.3,15
1949,16.4,15.8,17.9,13.4,11.2,11.1,9.8,10.4,11.4,12.6,13.8,15.1
1950,16.7,16.4,16.1,14.5,12.9,10.8,9.5,12.3,12.5,12.7,14,15
1951,16,16.6,16.1,11.1,10.9,8.6,8.5,8.8,11.9,13,14.6,13.9
1952,16.9,16.8,16.8,13.4,10.4,9.6,9.3,11.8,11.4,13.5,14.7,15.8
1953,17,16.4,16.2,13.8,12.3,9.6,7.8,10,13.1,13.5,14.1,15.2
1954,17.5,17.3,16.2,14.2,11.6,11.1,9.5,11.7,12.7,13.4,14.4,14.6
1955,16.7,17.5,15.7,14,11.5,9.7,9.2,10.2,12.5,12.7,13.4,16.2
1956,19.4,17.5,16.2,13.9,11.1,9.2,9.4,8.9,13.2,13.5,13.5,15.3
1957,17.4,16.1,17,14.1,11.9,10.1,9.2,10.9,12,15.4,15.2,16.8
1958,18.8,18.3,16.4,14.1,12.4,10.9,11.5,12.6,12.2,14.4,16.1,16.8
1959,18.1,18.4,16.6,17,13.2,10.1,11.8,11,14.3,14.8,15.3,16.5
1960,17.2,16.8,16.9,14.1,10.3,9.9,10,11.8,13,15.5,15.3,16.4
1961,17.6,17.8,16.9,15.8,12.6,11.7,10.8,11.8,15.4,15.9,16.5,16
1962,16.8,16.8,17.1,14.2,11.2,8.8,8.4,10.4,12.8,12.7,14.7,15.9
1963,18.5,17.4,18.6,14.6,11.5,9.5,10.7,12.3,15.9,15.1,16.6,15.9
1964,17.3,17.6,16.6,16.3,12.1,9.4,7.8,11.6,12.9,13.4,13.5,14.9
1965,16.3,17.4,15.3,15,12.1,12.6,10,11.7,14.1,14,16.1,16.9
1966,18.3,18.9,16.8,15.2,12.9,11.2,11.2,10.2,11.7,14.1,15.3,17
1967,17.1,17.8,16.7,15.1,13.6,11.1,11.1,12.8,13.7,16.5,15.2,14.5
1968,16.7,15.8,16.7,12.2,9.3,9.7,9.5,9.8,11.6,14.2,16.7,16.1
1969,18.4,18.2,17.6,14.3,12.6,11.3,10.2,11.4,13.7,12.4,15.9,14.9
1970,17.4,17.5,17.7,15.1,14.1,12,10,10.2,12,13.8,13.8,16.9
1971,18.5,18.1,18.1,14,12,9.8,9.2,11.2,12.2,13.1,13.7,15.5
1972,17.1,16.4,17.7,12.5,13,12.1,9.7,11.5,12.6,14.2,16,16.7
1973,18.7,19.5,17.1,18.2,13.1,12.4,12.2,11.3,12.9,13.9,13.6,17.2
1974,18,19.4,18.2,14.9,12.3,10.2,10.3,11.1,12.9,13.5,14.7,15.6
1975,17,18.3,18.1,14.8,11.9,11.2,8.2,13.1,13.8,13.7,14.6,16.5
1976,18.7,17.2,15.8,14.9,12.2,10.9,9.9,10.6,12.1,13,15.5,16.8
1977,18.3,19.4,18.6,14.9,12.9,11.4,13.8,11.9,14,15.7,15.8,15.7
1978,18.7,17.6,18.1,13.6,10.7,10.7,11.6,12.8,12.1,15.1,15.2,15.9
1979,15.3,17.7,16.2,13.9,12.1,9.3,9.3,12.7,11.8,14.6,14.8,16.6
1980,17,17,17.9,15.9,13.8,9,11.4,10.9,10.7,15,14.2,17.8
1981,17.4,17.8,16.1,14.7,12.9,9.3,8.8,11.5,13.9,13.2,16.6,15.9
1982,16.3,18,16.8,13.8,11.8,12.3,11.3,12.5,12.8,14.2,17.2,15.8
1983,18.7,18.6,16.7,15.9,14,12,12.5,11.7,11,14.3,16.7,17
1984,19.9,20.6,17.9,15,15.1,12.3,11.9,10.4,12.4,15.7,16,16.1
1985,17,18.7,18.2,16.6,12.4,9.9,9.4,12.7,12.9,15.5,16.5,17.3
1986,18.9,18.2,18,17,14.6,11.5,10.5,12.6,12.5,14.3,17.1,17.3
1987,19.1,17.7,17.2,17.3,11.5,9.6,12.8,10.7,11.7,15.2,16.8,17.4
1988,19.7,17.7,18.3,15.9,13.6,10.2,8.5,11.7,14.8,14.1,14.9,17.5
1989,18,18.6,18,16.9,12.5,10.7,9.1,11.2,12.4,13,15.3,17.1
1990,19.1,18.8,18.9,18,12.7,10.7,10.1,10.7,11.4,16.7,18.4,16.6
1991,17.7,17.7,17.2,15.6,13.5,11.8,10.7,11.7,13,14.7,16.5,17.6
1992,18.3,18.8,18,15.8,14.4,13.3,10.1,10.6,12.5,14.6,15.5,16.7
1993,18.8,16.7,17.2,15.9,13.2,10.7,11.5,10.4,11.9,16.1,15.8,16.2
1994,17.5,19.1,16.2,15.7,15.1,10.6,10.7,11.3,13,16.2,16.2,18.1
1995,18.9,18.9,18.1,16.4,13.8,11.3,13.2,14.2,12.8,14,16.1,16.8
1996,19.2,18.6,18.3,16.6,13.6,11.4,9.7,11.8,12.8,15.5,16.3,18.4
1997,18.2,18.9,17,15.5,13,11.1,11.8,12.6,14.6,15.4,17.1,18.6
1998,19.6,19.3,18.5,16.3,12.7,10.4,11.4,13.5,13.4,14.6,15.6,17.7
1999,18.7,18.8,18.7,14.9,12.1,10.6,11.5,11.8,13.5,13.1,14.3,17.4
2000,18.3,17.9,17.1,16,12.9,12.9,9.2,11.4,12.9,17.4,16.3,17.7
2001,19.7,19.7,19.4,17.9,13,11.7,11.5,13,13.6,15.7,17,17
2002,18.6,17.6,19.8,18.4,14.8,14,12.4,13.9,12.9,18.1,17.2,18.3
2003,18.9,20.8,18.4,16.8,13,13.6,12.1,10.4,13.3,15.2,16.4,17.5
2004,17.5,17.5,17,16.9,12,11.3,10.6,12,16.1,14.5,16.2,16.6
2005,18.2,18.2,17.8,17.8,15,13.7,11.4,13.8,13.4,16.2,16.2,16.4
2006,19.7,19,18.7,15.9,12,12.1,12.8,13.2,13.2,15.7,16.4,18.1
2007,18.7,19.2,19.5,17.5,12.5,13.1,10.8,12.8,15.5,16.7,15.9,17.8
2008,17.4,18.2,17.8,16.1,12.7,11.5,12.1,13.1,12.6,15.9,15.9,16.6
2009,17.9,19.3,19.2,16.2,14.4,10.3,11.1,12.4,14.6,15.1,19,18
