1901,16.3,18.1,18.4,18.8,18.1,17.1,16.8,17,17.4,18.2,17.6,17.2
1902,16.2,17.9,18.2,18.5,17.7,17.2,17.4,17.6,17.7,18.3,17.7,17.2
1903,16.7,18.3,18.6,19,18.1,17.2,17.1,17.1,17.4,18.2,17.4,17.1
1904,16.1,18.2,18.3,18.9,18.2,17.3,16.8,17,17.4,18.2,17.6,17.2
1905,16.3,18.1,18.4,18.8,18.1,17.1,17,17,17.4,18.4,17.8,17.4
1906,16.2,18.4,18.4,18.8,18.4,17.5,17,17.2,17.6,18.2,17.4,16.6
1907,16,18.3,18.6,18.9,18.3,17.3,16.9,17,17.4,18.1,17.4,16.5
1908,16.2,17.9,18.7,19.1,18.8,17.4,17,17,17.8,19.1,17.2,16.7
1909,15.9,17.8,18.1,18.3,17.9,16.9,17,17.2,17.5,18.1,17.4,17.2
1910,16.2,18.1,18.6,19,18.4,17.3,17.3,17.3,17.4,18.2,17.7,17.5
1911,16.4,17.8,18.4,18.7,18,17.4,16.5,16.9,17.2,18.1,17.5,16.9
1912,16,17.9,18.1,18.5,17.7,16.7,16.1,16.4,16.7,17.9,17.6,16.6
1913,15.9,17.6,18,18.5,17.9,16.7,16.8,17,17.4,18.2,17.6,17.2
1914,16.3,18.1,18.4,18.8,18.1,17.1,16.8,17,17.4,18.2,17.6,17.4
1915,16.3,18.1,18.3,19,18,16.9,16.6,16.8,17.3,18.1,17.7,17
1916,16.1,18.3,18.1,18.5,18.1,17,16.6,17,17.4,18.2,17.8,17.1
1917,16.4,18.4,18.4,18.6,18.1,17,16.7,16.9,17.3,18.2,17.7,17.3
1918,16.1,18.4,18.4,18.6,18.2,17,16.8,17,17.4,18.2,17.6,17.2
1919,16.3,18.1,18.4,18.8,18.1,17.1,16.8,17,17.4,18.2,17.6,17.2
1920,16.3,18.1,18.4,18.8,18.1,17.1,16.8,17,17.4,18.2,17.6,17.2
1921,16.3,18.1,18.4,18.8,18.1,17.1,16.8,17,17.7,18.4,18.1,17.7
1922,16.8,18.6,18.8,19,18.4,17.5,16.7,16.9,17.6,18.5,18.2,17.8
1923,16.3,18.1,18.4,18.8,18.1,17.1,16.8,17,17.4,18.2,17.6,17.2
1924,16.6,18.6,18.7,19.1,18.5,17.4,17.5,17.5,17.9,18.7,18.2,17.6
1925,16.5,18,18.4,18.8,18.4,17.7,17.6,17.7,17.7,18.1,17.6,17.1
1926,16.3,18.1,18.1,18.2,18.4,17.5,17.4,17.7,17.7,18.2,17.7,16.8
1927,16.3,18.1,18.4,18,17.5,16.7,16.9,17.6,17.9,18.7,18.4,17.5
1928,16.2,18.1,18.8,19.4,18.6,17,17.1,17.2,17.8,18.8,18.5,17.4
1929,16.3,18.7,18.9,18.8,18.3,16.8,16.5,16.6,17.1,18.2,17.6,17.4
1930,16.5,18.1,18.3,18.7,17.6,16.6,16.3,16.5,17.1,17.9,17.5,17.2
1931,16.4,18.2,18.4,18.7,18.6,17.4,17.1,17.3,17.7,18.5,17.6,17.4
1932,16.3,18.7,18.4,18.8,18.1,17.1,16.8,17,17.4,18.2,17.6,17.2
1933,16.2,18.2,18.5,19.1,18.3,17.3,16.9,17.1,17.5,18.4,17.7,17.1
1934,16,17.6,18.1,19,18.4,17.3,16.9,17,17.4,18.3,17.9,17.5
1935,16.6,18.5,18.6,18.8,18,16.8,16.5,16.7,17.4,18.4,17.8,17.2
1936,16.2,18.1,18.4,18.9,18.4,16.9,16.4,16.7,17.2,18.5,18,17.3
1937,16.4,18.3,18.5,19.3,18.7,17.3,16.8,17.2,17.7,18.5,18,17.2
1938,16.2,18,18.5,18.8,18.1,17.2,16.8,17.1,17.4,18.3,17.7,17.1
1939,16.1,18.1,18.5,19.1,18.6,17.1,17,17.2,17.8,18.4,17.9,17.4
1940,16.9,18.7,18.3,18,18.9,17.7,17,17.3,17.8,18.5,18.4,17.7
1941,16.7,19.3,18.9,19.7,19,17.1,16.9,17.2,17.9,18.7,17.8,17.2
1942,16.9,19.2,18.9,19.4,18.8,17.5,16.5,16.8,17.2,18.5,18.4,17.8
1943,16.7,18.1,18.8,19.7,19,17.2,16.7,16.7,17.2,18.5,18.6,18.2
1944,15.8,18.3,18.5,19.5,18.8,17.8,16.9,17,17.5,18.4,19.1,18.1
1945,17.1,18.3,19.6,20.4,19,16.8,17.1,16.9,17.3,18.4,18.1,17.5
1946,16.7,18.5,18.9,19.4,18.9,17.4,16.8,16.5,17,18,18.1,18.3
1947,17.3,18.5,18.7,18.6,17.8,17.2,17,16.7,17.4,18.1,18.2,17.2
1948,16.2,18,18.4,19.2,19.1,17.1,16.6,16.8,17.1,17.8,17,16.5
1949,16.1,18.3,18.6,19.9,18.9,17,16.6,17,16.9,18.3,18.4,17.4
1950,16.1,17,18.6,18.9,17.9,16.5,16.1,16.2,16.5,17.1,17.3,17.2
1951,16.6,18.7,18.5,17.9,18.1,17.3,16.8,16.9,18,18.5,17.9,17.2
1952,16.7,18.8,19.7,19.3,18.9,17.3,17.1,17.2,18.2,18.4,18,17.7
1953,16.9,18.2,19.1,19.7,18.8,18,17.1,17.6,17.3,17.7,18,17.7
1954,16.9,19,19.6,18.8,18.3,16.9,16.6,16.7,17,18.1,17.4,17.3
1955,16.8,18.1,18.7,19,18.2,17,17.2,17,17.5,18.3,17.6,17.5
1956,15.6,17.9,18.5,18.7,18.1,16.9,16.1,17,17,18.1,17.2,17
1957,16.4,17.6,18.3,19.1,18.1,17.3,16.8,17.1,17.7,18.9,18,17.5
1958,16.9,18,18.9,19.4,18.1,16.8,16.2,17.2,17.9,18.5,18.2,17.4
1959,16.9,18.3,17.9,18.8,18.2,16.9,16.8,17,17.6,18.6,18.3,17.5
1960,16.6,18.3,18.1,18.8,18.6,17.3,16.7,17.2,17.4,18.1,18,17.7
1961,16.9,18.9,18.9,19.1,19.5,18,17.4,16.8,17.2,17.3,16.3,16.7
1962,15.4,17.3,18.1,19.1,17.7,17.2,16.7,17.3,17.5,18.2,17.3,17.1
1963,16.1,18.1,18.4,18.4,17.8,16.8,16.8,16.3,16.8,18.6,17.7,16.5
1964,15.9,18.7,18.8,18.9,18,17.1,15.9,16.2,16.5,17.3,17.7,16
1965,15.8,17.8,18.1,18.5,18.2,16.7,16.5,16.8,17.6,17.6,17.2,17.6
1966,16.6,18.8,18.4,17.9,18.3,17.1,17.2,16.9,17.6,18.1,16.9,17.1
1967,16.1,18.2,19,18.2,17.4,16.4,16.5,16,16.7,17.7,16.4,17.5
1968,15.1,17.2,16.5,17,16.7,16,15.5,16,16.8,17.5,16.5,16.9
1969,15.7,16.6,17.2,19.5,17.7,16.8,16.8,16.6,17.4,18.6,17.7,17.4
1970,16.5,18.5,18.9,18.5,18.1,16.8,16.8,16.8,17.2,18.2,18.2,17.3
1971,16.3,17,17.8,18.5,17.5,16.1,16.3,16.8,16.8,17.5,17.9,17
1972,16.1,17,18.4,20,18.6,17.5,17.2,17.6,17.8,18.5,17.6,17.9
1973,16.9,19.1,19.4,20.4,18.9,17.4,16.6,17.3,17.5,18.6,17.9,16.8
1974,16.2,17.7,17.7,18.4,17.8,17.2,16.5,16.6,16.6,18.1,17.5,17.2
1975,16.3,18.4,19.1,19.2,17.9,16.7,16.6,16.1,16.8,17.5,17.4,17.2
1976,16.3,18.5,18.8,19.1,18.7,17.5,17,17.3,17.3,18.5,18.4,17.7
1977,16.6,18.6,19,18.8,18,17.3,17.1,17.2,17.5,18.5,16.2,16.9
1978,15.9,17.6,17.2,19,17.8,17.3,16.6,17.4,17.6,18.2,17.6,17.1
1979,16.2,17.8,17.4,18.8,18.2,16.5,16.7,17.6,17.6,17.8,17.9,18.4
1980,16.4,18,19.1,19.5,18.4,17.3,16.9,17.1,17.8,18.9,17.9,16.6
1981,16.8,18.7,18.2,18.2,17.8,17.1,16.5,17.3,17.7,18.4,18.2,17.2
1982,16.8,18.7,18.9,18.4,18,17.5,17.2,17.1,17.8,17.8,17.3,16.8
1983,16.8,18.5,19.1,20.2,18.9,18,17.5,17.3,17.2,18.9,18.4,16.9
1984,15.8,17.5,18.6,18.8,19.4,17.3,17,17.2,17.7,17.8,17.2,17.1
1985,16.4,18.1,18.1,18,17.4,16.8,16.7,16.9,17.6,18,17.9,17.5
1986,16.5,18.7,18.1,18.7,18,16.6,16.7,17.2,17.5,18.8,18.2,17.7
1987,16.5,18.2,19.4,19.7,18.3,17,17.5,17.6,18.6,19.5,18.4,18.3
1988,17.9,19.3,20,18.9,18.3,18.1,16.6,17.4,17.4,18.4,17.5,16.9
1989,16.6,17.1,18.4,18,17.5,17.1,16.6,17.1,17.6,18.6,17.8,17.1
1990,16.1,18.4,17.8,18.5,18.8,17.1,17,17.3,17.6,18.5,17.8,17.3
1991,16.5,18.4,18.8,19.1,18.4,17.9,16.9,16.9,17.8,18.5,17.5,17.1
1992,15.5,18.9,19,19.5,18.1,17.7,17,16.6,17.6,18.6,17.5,17.3
1993,15.5,16.9,17.7,19.3,18.8,17.7,16.8,17.6,17.7,18.7,18.9,17.2
1994,14.7,18.4,16.9,18.5,18.4,17.5,17.4,17.5,17.9,18.8,17.6,17.2
1995,16.6,18.5,18.4,19.4,18.8,18.3,17.2,17.5,17.9,19,18.3,18.1
1996,17.6,19.3,19.3,19.3,18.7,17.8,17.3,17.5,18.1,18.7,17.6,17.3
1997,17.5,18.7,18.2,19.2,18.7,17.9,17.6,17.9,19.2,19,17.9,18.4
1998,17.4,19.4,19.4,18.6,17.4,17.7,17.6,17.2,18,19.8,18.9,17.9
1999,17.5,18.7,19.1,20,17.9,19,17.5,18.3,18.9,18.7,18,17.2
2000,16,18,19.7,20.8,19.2,17.6,18.5,19.2,18.1,18.5,19.8,17.3
2001,17.4,20.2,20,18.9,18.3,17.5,16.9,18.1,18.7,19.4,18.2,17.8
2002,17,19.8,19.9,20.1,19.8,18.4,17.9,18.7,19.6,20.1,18.5,18.9
2003,17,18.8,19.6,20.6,19.6,18.1,17.8,17.9,18.3,19.5,19.3,19.5
2004,18.8,20.1,19.3,19.3,19.2,18.2,17.8,18.4,17.9,18,18,17.4
2005,15.8,19.6,19.9,20.6,18.4,18.1,17,17.7,18.6,18.5,18.3,19.3
2006,17.3,19.7,19.5,19.5,19.7,17.6,18.4,18,17.5,19.5,18.9,18.1
2007,17.6,19.2,19,19.6,19.3,17.4,16.1,17.6,18.3,18.4,18,18.8
2008,17.6,19.7,18.8,19.5,18.5,17.4,17.4,18.6,18.5,18.3,16.8,17.1
2009,16.9,19.2,19.7,20.4,19,18.3,17.8,18.9,18.9,19.3,18.7,19.7
