1901,17.2,17.6,16.2,14,12.1,10.4,12.2,12.2,13.7,16,15.4,16.9
1902,16.9,18.5,17.1,16,13.8,12.9,12.8,10.4,14.5,14.8,16.9,18.6
1903,16.7,18,17.7,15,11.3,12.3,11.2,12,13.9,13.7,15.6,18
1904,16.3,16.6,17.2,15.2,10.3,9.7,11.6,12,13.6,14,15.7,17
1905,16.4,17,15.7,15,12.6,11.3,11,12,13.7,17.3,15.4,17.8
1906,17.1,17.1,16.2,15.3,13.7,11.1,11.6,13,12.7,15.3,15.7,17.5
1907,16.6,17.5,17.7,15.5,10.4,10.7,10.1,11,14,14.3,15.3,18.4
1908,17.1,16.8,15.9,15.4,12.2,11.5,12.1,10.4,13.5,13.8,15.2,17.6
1909,18,18.2,15.5,15.1,9.8,10.5,11.4,12.6,13.3,13.9,15.3,16
1910,18.2,17.1,16.5,16.7,10.8,12.2,10.6,12.9,13.1,13.8,15.2,17
1911,18,18,15.1,15.1,12.7,9.3,10,11.2,12.7,13.8,16.4,18
1912,17.8,18.7,16.6,15.8,13.8,11.3,8.3,11.2,10.5,13.4,15.9,16.9
1913,16.3,17.2,16.8,15.8,12.7,10.6,12,12.1,13.2,15.3,16,17.1
1914,18.3,17.2,16.7,14.9,10.7,12.1,12.5,11,13.8,15.5,16.6,17.1
1915,18,18.4,16.2,16.9,14.5,9.2,10.2,12.5,13.2,14.5,14.6,16.6
1916,17.7,16.1,14.8,15.1,12.6,10.3,10,11.5,13.6,14.1,15.9,16.9
1917,16.9,16.7,15.7,14,9,9.1,9,9.9,13.1,13.2,13.1,16
1918,16.8,15.4,14.6,14.1,11,9.7,8.8,10.5,12.6,13.9,14.7,15.7
1919,16.4,15.8,16.1,15.3,13.5,11.4,11.9,10.1,9.7,13.7,14,16.4
1920,17.6,17.5,16.2,16.1,11.5,10.2,10.3,9.8,12.4,15.1,15.2,17.3
1921,17.2,17,16.2,14.2,12.9,8.4,8.4,12.8,12.1,13.8,13.8,17.7
1922,16.7,16.4,15.9,15.1,11.7,9.9,10.8,12.1,13,12.9,14.6,16.7
1923,16.8,16.9,16.4,16.1,10.5,10.3,8.9,11.8,12.6,13.6,14.5,17.9
1924,16.2,16.2,16.6,14.5,11.3,11,9.9,9.3,12.1,12.5,13.8,16.8
1925,17.2,17.8,15.6,16.5,11.7,8.7,8.2,13,13,13.5,15.1,17.4
1926,17.1,16.3,17,15.3,10.9,11.9,9.6,12.3,14.4,14.8,15.7,17.4
1927,17,17,16.5,15.2,11.1,9.8,9.4,11.1,12.8,13.8,15.4,16.5
1928,17.2,17.6,16.6,16.7,11.8,10.5,10.3,10.4,12.7,14,15.5,17.3
1929,17.5,17.2,15.9,13.9,10.3,9.9,10.7,11.2,13.3,14.7,14.5,17.3
1930,17.2,16.7,16.1,15.1,12.9,12.6,10.3,12.1,12.2,14,14.6,17.1
1931,18.2,17.1,16.5,14.9,10.9,9.2,10.8,11.3,11.8,13.9,14.2,17.4
1932,16.7,17.7,16.7,16,11.7,10.5,12,10.5,13.4,15.1,15.8,16.7
1933,17.2,17.6,15.9,14.5,12.5,8.9,8.9,11.6,13.2,14.6,14.5,16.8
1934,17.1,16.6,16.7,14.8,12.1,11.9,10.6,11.8,12.8,13.8,15.5,16.9
1935,17,17.4,17,13.7,11.3,12,11.2,11.4,12.2,14.1,14.8,17.8
1936,17.4,16.3,16.3,15.4,14.5,12.5,11.4,10.8,13.2,15.2,15.1,17.4
1937,15.9,17.1,16.6,13.8,10.7,11.1,11.9,13.2,13.2,13.6,14.4,16.2
1938,17.7,16.7,16.8,14.6,11.7,11.1,11,10.8,13.2,13.5,15,17
1939,16.9,16.8,16.3,14.2,13.3,11.1,9.1,12.6,12.7,15.4,14.7,16.4
1940,17.1,16.2,16.1,15.6,14.1,11.9,13.3,11.4,13,13.7,14.5,18.9
1941,17.7,17.7,15.6,17.4,12.6,9.4,10.5,12.6,9.6,14.3,14.4,16.8
1942,17.4,16.9,16.3,14.4,11.1,8.9,7.4,11.9,12.4,13.3,14.6,16
1943,16.2,16.4,16.1,13.8,13,11.5,11.1,8.9,11.3,14.7,14.8,16
1944,17,16.6,16.2,13.6,12.1,10.9,10,13,14.4,16.8,14,17.7
1945,17,17.2,16,14.8,9.8,8.7,11.2,14.1,12.8,15.2,15.2,16.5
1946,16.5,17.7,15.8,14.3,12.9,10.3,9.1,12.5,14.6,14.8,16,16.6
1947,17.3,17.9,15.6,14.9,12.8,11.8,9,10.8,12.3,12.5,14.6,15.7
1948,18,17.1,15.7,15.1,12.2,11.2,11.7,10.4,13.9,13.9,14.9,17
1949,16.3,16.8,17.8,14,11.9,12.5,10.3,10.9,12.5,12.3,14.8,16.3
1950,16.8,16.3,15.7,14.4,13.2,11.3,10.5,13.3,13.4,13.2,14.3,16.1
1951,15.5,16.5,16.6,11.2,12.1,8.8,9.4,10.7,12.4,13.7,14.3,15.2
1952,16.5,17,16.6,13.4,11,8.6,9.9,11.7,12.2,14.1,14.6,17.1
1953,16.8,16.6,16.1,13.6,12.1,9.8,7.4,12.2,14.5,14.4,14.4,16.8
1954,16.6,17.3,15.6,14.7,11.2,11.5,9.8,12.7,14,14.1,15.7,16.7
1955,16.5,17.5,15.1,14.2,11.4,10.8,9.2,11,13.9,12.8,14,16.9
1956,17.6,17,15.6,13.7,10.1,8.3,9.7,9.3,13.5,13.8,14.1,17.1
1957,17.3,15.7,16.8,13.9,12,10.1,9,11.9,12.7,15.6,15.2,17.9
1958,18.5,17.8,16.1,15.8,12.5,11.1,11.8,12.4,12.6,15,15.8,17
1959,17.8,18,16.1,16.7,12.9,10.7,12.3,11.2,14.8,14.3,15.6,17.2
1960,17.1,16.6,16.9,14.2,10,10.7,11.1,11.8,14,15.5,14.8,17.9
1961,17.1,17.8,16.3,15.4,12,10.9,11.8,12.9,15.5,15.5,15.5,16.8
1962,16.7,17.1,16.2,14.3,10.9,8.7,8.3,10.8,13.1,12.4,14.8,17.6
1963,17.8,17.2,17.5,14.5,11.6,10.1,11.9,12.8,16.4,15.3,15.8,17.2
1964,18.1,17.1,16.7,16.7,11.9,9.7,8.3,11.9,13.4,13.3,13.7,15.9
1965,16.2,16.8,14.1,14.8,11.9,11.9,10.8,11.4,14.2,14,15.7,17.3
1966,17.9,18.3,16,14.9,12.4,11.6,11.3,10.6,12.2,16,15.6,18.5
1967,16.9,17.4,16.5,15.5,14.1,10.6,12.1,13.7,14.8,16.4,15.4,16.1
1968,16.2,16.7,16.3,12,9.2,10.6,11.1,10.7,12.8,15.2,17.3,17.5
1969,17.9,18.5,17.6,14.5,12.8,11.6,11.6,12,14.8,13.1,15.6,16.9
1970,17.6,16.6,17.1,16.2,14.3,12.6,11.2,11.3,12.2,14.8,14.2,18
1971,17.5,17.4,16.9,13.9,11.6,9.8,10,11.7,12.8,13.4,14.2,17
1972,16.3,15.6,16.6,12.6,12.9,14,10.5,11.7,13.1,14,15.6,17.9
1973,18.4,18.9,16.9,18.1,13,12.4,11.5,11.8,13.5,14.4,14.9,18
1974,18.1,18.9,16.6,15.4,11.6,10.9,11.6,12.9,13.8,14.3,14.9,17.1
1975,16.8,18,17.1,15.3,11.8,11.3,8.7,13.8,14.6,14.1,14.2,16.9
1976,17.9,16.7,15.7,15.6,12.8,10.9,11.3,12,12,14.6,16.4,18.1
1977,18.4,18.8,19.6,16.1,15.6,11.2,15.7,14.2,14.4,16.5,16,17
1978,19.1,18.7,17.4,15.2,11.6,11.4,13.2,10.4,13,16.1,16.1,17.5
1979,16.5,18.1,16.7,14.7,11,9.1,9.8,13.3,13.2,15.4,14.4,17.6
1980,16.8,16.7,17.4,16.1,13.6,9.8,12,11.8,10.4,15.5,15.2,18.1
1981,17.5,17.5,16.6,15.1,13.7,9.5,8.8,12.2,14.3,13.4,16.5,16.3
1982,17,16.2,16.5,14.3,12,11.8,11.7,12.6,13.8,14.5,16,16.4
1983,17.5,18.2,15.9,16.1,14.5,10.4,13.4,12.1,11.1,14.4,15.4,17.5
1984,19.2,19.6,17.5,14.7,14.7,12.7,12.8,9.8,12.9,16.9,15.3,16.9
1985,17.6,17.8,16.9,16.3,12.4,9.7,9.9,13.2,14.5,16.5,17.1,19.2
1986,18.4,17.5,16.7,17.2,13.7,11.9,11.1,12.5,11.6,13.4,17.3,17.9
1987,18.2,16.7,16.4,16.6,10.6,9.6,13.3,11,12.4,15.4,16.4,18.1
1988,18.7,17.2,17.6,16.1,12.7,9.9,9.3,12.9,15.6,14.8,15.8,19
1989,16.5,17.4,16.7,16.6,12.3,10.6,8.5,10.7,12.4,13.6,15.5,18.1
1990,18,18.7,18.2,17.8,11.9,10.6,9.2,10.7,11.3,16.6,17.7,18
1991,17.7,17.5,16.1,15.5,13.1,12.2,10.9,12.5,14.2,15.1,12.6,18.3
1992,18.7,18.3,17,14.4,13.3,13,9.5,10.7,12.2,14.9,15.1,17.8
1993,18.1,17.1,17.1,16,12.8,10.8,11.3,10.6,12.9,16.2,15.3,17.9
1994,18.2,18.2,15.9,16.3,15.2,11.4,11.7,13.4,16.2,16.7,12.7,18.9
1995,18.1,17.9,17.1,15,13.7,12.1,14.4,14.9,14.2,14.2,16.3,18
1996,18.1,18.1,17.2,16.5,14,11.4,10.4,12.5,13.6,15.5,16.3,19.1
1997,17.8,18.2,16.6,15.3,13.5,10.7,12.9,13.1,15.5,16,16.7,19.1
1998,19.5,18.6,17.7,15.9,12.3,10.5,12.6,13.5,13.3,15.9,17.7,19.6
1999,17.5,18.4,17.9,15.4,11.7,10.4,12.4,12,14.6,15.1,15.1,19
2000,17.4,17.5,16.5,16.6,12.6,13.3,9.2,12.6,13.8,17.6,16.5,18.6
2001,19.3,19.5,18.4,17.9,12.5,10.8,12.1,13.7,14.8,16.4,17.2,17.9
2002,18.3,17.6,19.4,19.1,14.5,14.2,14.1,11.9,14,18.3,16.7,20
2003,19.3,19.3,18.3,16.8,12.7,14,12.5,10.5,14.6,15.8,16.7,19.9
2004,18.2,18.2,17.4,17.2,11.1,11.1,11,12.9,16.9,14.8,16.5,18
2005,17.8,18.9,17.4,18.4,15.2,14,11.1,13.6,12.5,16.4,16.5,18.1
2006,19.2,17.8,18.5,16.2,11.7,12.6,13.5,13.5,13.1,17,17.1,19.2
2007,18.3,18.6,18.5,17.8,13,13.2,11.3,13.3,17,17.1,16.3,18.9
2008,17.6,17.9,17,15.9,12.3,11.7,12.9,13.3,13.2,16.6,16.1,18.9
2009,17.5,18.8,18.5,17.2,14.1,9.9,11.5,12.2,15,15.5,18.6,18.9
