1901,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1902,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1903,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1904,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1905,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1906,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1907,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1908,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1909,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1910,17.5,18,17.9,17.4,16.3,14.9,13.9,13.8,13.9,14,14,15.1
1911,17.4,17.9,17.5,17.4,16.4,15.3,14.2,14.1,14.2,14.3,14.4,15.6
1912,17.8,18.4,18.2,18.1,16.5,15,14,13.9,14.4,14.5,14.1,15.5
1913,17.7,18,17.9,17.7,16.6,15.2,14.3,14.3,14.5,14.9,14.8,15.6
1914,17.8,18.2,17.9,17.7,16.4,15.1,14.2,14.2,14.4,14.5,14.3,15.7
1915,17.8,18.6,18,18,16.7,15.3,14.3,14.2,14.3,14.3,14.1,15.5
1916,17.5,18.2,17.9,18,16.6,14.9,13.8,13.8,14.4,14.2,14,15.6
1917,17.7,18.3,18.1,17.9,16.8,15.6,14.2,14,14.3,14.2,14.4,15.2
1918,17.5,17.9,17.9,17.7,16,16,14.7,14.7,14.5,14.3,14.2,15.4
1919,17.7,18.3,17.8,17.9,16.9,15,13.9,13.9,14.3,14.2,14.2,15.3
1920,17.5,18,17.9,17.5,16.3,14.9,13.6,13.9,14.2,14.3,14.1,15
1921,17.2,17.8,17.6,17.4,16.5,14.6,13.5,13.8,14,14.1,14.2,15.3
1922,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1923,17.4,18,17.8,17.6,16.6,15.4,14.1,14.2,14.5,14.4,14.4,15.4
1924,17.6,18,17.9,17.7,16.7,15.3,14.3,14.2,14.4,14.4,14.3,15.5
1925,17.4,17.8,17.6,17.6,16.7,15.3,14.3,14.1,14.5,14.5,14.4,15.5
1926,17.5,18,17.9,17.8,16.8,15.5,14.3,14.2,14.5,14.5,14.4,15.4
1927,17.4,18,17.8,17.7,16.7,15.4,14.2,14.2,14.5,14.5,14.4,15.6
1928,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1929,17.5,18,17.8,17.7,16.7,15.4,14.2,14.2,14.5,14.5,14.4,15.5
1930,17.5,18,17.9,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.5,15.6
1931,17.6,18.1,17.9,17.8,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1932,17.5,18,17.8,17.8,16.7,15.4,14.3,14.2,14.5,14.4,14.4,15.5
1933,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.4,14.3,15.4
1934,17.4,17.9,17.7,17.7,16.6,15.4,14.2,14.2,14.6,14.4,14.4,15.5
1935,17.5,17.9,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1936,17.5,18.1,17.9,17.8,16.7,15.4,14.3,14.2,14.5,14.5,14.5,15.5
1937,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1938,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1939,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1940,17.5,18,17.8,17.7,16.7,15.4,14.3,14.2,14.5,14.5,14.4,15.5
1941,17.4,18,17.8,17.7,16.7,15.3,14.4,14.2,14.4,14.8,14.8,15.9
1942,17.5,17.9,17.8,17.7,16.6,15.3,14.4,14.2,14.4,14.6,14.6,15.5
1943,20,18.2,20.9,19.6,16.7,15.5,15,14.3,14.9,16,14.6,17.1
1944,19.2,19.6,18.7,18.9,18,16.4,17.2,16.1,16.8,15.7,15.3,16.6
1945,19,19.5,18.9,17.6,16.6,15.7,14.7,15.4,16.4,15.9,16.1,16.1
1946,17.4,18.9,18.8,18.8,17.3,16,14.6,14.8,15.2,15.3,15.4,15.6
1947,17.5,18,17.9,17.6,16.6,15.4,14.2,14.2,14.5,14.4,14.4,15.4
1948,17.6,18.2,17.7,17.8,18.1,15.9,14.4,14.3,14.9,14.6,14.6,15.2
1949,17.6,18.5,18.8,17.9,16.5,15,13.5,13.7,13.5,13.4,14.2,14.4
1950,16.6,16.9,16.6,16.3,15.8,13.5,13,13,13.9,13.9,13.9,14.9
1951,16.8,17,17,17.3,17.4,17.1,16,15.5,15.3,15.4,15.1,15.5
1952,17.8,18,17.7,17.2,16.6,14.3,13.2,13.5,14,14.4,13.7,15.2
1953,17.3,18.1,18.1,18.4,17.6,15.5,14.1,15.1,15.1,14.3,14.8,14.5
1954,17.3,17.6,17.1,17,15,13.6,12.9,12.9,13.4,13.4,13.6,14.6
1955,17,17.8,17.2,16.6,15.8,14.3,13.7,13.1,13.8,13.6,14.3,14.9
1956,16.4,17.7,17.1,16.7,15.8,14.4,13.7,13.9,14.3,14,13.8,14.4
1957,16.8,17.2,17.8,18.3,18.9,17.3,16.2,15.6,15.8,15.4,14.8,15.9
1958,17.7,18.3,17.9,17.8,16.7,15.2,14.3,13.8,13.8,14.6,13.8,14.9
1959,16.9,18,18.1,17.9,16.9,14.9,14.5,14.3,14.7,15,14.4,15.6
1960,17.4,17.9,17.5,17.5,16.3,14.6,14.4,14,14.4,14,14.2,15.9
1961,17.9,17.8,17.4,16.9,17.2,14.7,13.8,14.1,14.1,14.6,14.3,15.6
1962,17.7,17.9,17.3,17.5,16.4,14,13.8,14.2,14.5,14.2,14.5,15.4
1963,17.3,17.5,17.6,17.2,17,14.9,14.5,14.8,14.7,14.5,14.3,15.7
1964,17.5,17.8,17.3,17.3,15.8,14.7,13.4,13.3,13.5,13.7,14.2,14.5
1965,17.2,17.4,17.3,18.3,18.2,16.4,15.5,15.3,14.4,14.6,14.6,15.7
1966,17.7,17.8,18,18,16.7,15,14.3,14.2,14.3,14.6,14.4,14.8
1967,17.5,17.6,17.6,18.3,17,13.9,13.6,13.3,13.2,13.7,12.8,14.2
1968,16.9,17.1,17.1,16.7,14.5,13.6,13.9,14.4,15,14.6,14.1,15.1
1969,17.5,18.3,18.7,19,18.8,17.2,14.6,14.7,15,14.9,14.7,15.6
1970,17.7,17.8,18.2,18.2,16.5,14.9,13.6,13.7,14.3,14.4,13.9,15.2
1971,17.2,17.5,17.1,17.1,16,14.8,14.4,14.2,14,14.3,14.2,15.4
1972,17.7,18.6,17.8,18.4,18.2,17.4,17,16.7,15.6,16.1,15.6,17.2
1973,18.5,18.6,18.2,17.5,16.5,14.6,13.2,13,14.3,13.5,13.8,14.2
1974,17,17.6,17.3,17.6,17.3,14.9,13.3,13.3,12.8,14.2,14.8,15.3
1975,16.9,17.7,17.9,18,16.3,14.9,13.8,13.8,13.7,14.3,13.5,14.6
1976,16.9,17.7,17.8,17.7,17.3,16.3,15.8,15.4,14.6,14.7,15,16.3
1977,18,18.3,18.2,18.1,17.2,15.9,15,14.2,14.6,14.8,15.1,16.5
1978,17.6,18.6,17.5,17.2,16.3,15,14.4,13.6,14.5,14.5,15.4,16
1979,17.9,18,18.2,17.6,16.4,15.7,14.6,14.7,14.8,14.5,14.5,15.2
1980,17.7,17.6,17.8,18.4,17,15.6,14.9,13.8,13.9,14.3,14.1,14.9
1981,17,17.8,17.5,17.3,16.1,14.7,13.5,13.1,14.5,14.6,12.9,15.2
1982,18.3,18.6,18.9,18.1,17.6,16.1,15.6,14.4,15.2,16.7,16.6,18.1
1983,18.7,19.4,18.6,18.8,18.2,18.4,17.2,14.7,15,14.8,15,15.7
1984,16.6,17.8,17.2,17.2,15.6,15.6,14.2,14.7,14.9,15.2,13.8,15.6
1985,16.7,17.3,17.9,16.5,14.7,15.4,13.2,13.4,13.8,13.9,13.7,15.1
1986,17.8,18.4,17.8,17.9,15.8,14.2,13.5,14.3,14.2,14.5,14.1,16
1987,18.4,19,18.3,18.6,17.1,16,15.5,15,15.2,14.8,15.3,16.1
1988,17.6,18.5,17.1,17.3,16.8,15.1,13.2,13.2,14.8,13.6,14.5,14.8
1989,17.1,17.5,18.4,17.3,15,14.5,13.5,14,14.1,14.5,14.5,15
1990,17.5,17.9,17.8,17.4,16.7,15.5,14.4,13.7,14.9,14.5,15.4,16
1991,17.1,18.1,18.4,17.8,17.5,16.3,14.5,13.3,14.5,14.3,14.3,15.6
1992,18,17.9,18.1,18.3,18.2,15.6,14.1,14,13.9,14.4,14,15
1993,17.4,17.8,17.4,17.8,17.3,15.8,14.8,14.7,14.9,14.9,13.8,15.5
1994,17.2,17.9,16.7,17,16.1,15.1,13.6,13.5,14.7,14.6,14.8,15.9
1995,17.8,18,17.4,17.6,16.7,16.4,14.8,14.2,14.2,14.3,13.5,14.2
1996,16.3,17,17.6,16.1,15.5,13,13,13.2,14.2,13.6,14.1,14.5
1997,16.8,17.3,17.3,18,19.1,17.6,17.5,16.8,15.7,16.5,16.7,17.4
1998,18.6,18.5,18.5,18.9,18.2,16.8,15.5,14.4,14.4,14.5,14.9,14.9
1999,16.7,17.2,17.6,17,15.8,14.3,13.7,13.2,13.6,13.8,13.4,14.4
2000,16.4,16.7,16.6,16.8,15.8,13.8,13.3,14.6,13.7,15.1,13.2,14.6
2001,19.3,19.6,17,17.1,15.1,13.2,13.5,13.5,13.3,13.3,13.5,14.8
2002,16.8,17.9,18.1,18.6,17.4,14.4,13.6,13.7,13.9,14.4,15.4,15.8
2003,17.6,17.9,18.1,17,15.8,14.3,13.7,14,14.4,14.9,14.3,15.2
2004,17,18.2,17.9,17,15.2,13.3,13.3,13.1,14,15.3,13.9,16.7
2005,17.2,17.6,16.7,17.3,15.6,14,13.7,13.4,13.1,13.1,12.2,13.5
2006,17.1,16.8,17.5,16.5,15.7,15.6,14.2,14.1,14.5,14.6,14.6,15.3
2007,18,18.1,17.4,17.5,15.5,12.9,13.2,12.4,12.6,12.3,13.1,13.7
2008,16.9,17.4,17.5,16.8,15.3,14.4,14.5,14.3,14.6,14.1,13.7,14.6
2009,17,17.7,17.3,18.6,16.7,15.5,15.6,14.5,14.7,14.6,14.1,15.6
