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