1901,16.1,15.9,16,16,16.5,16.4,16.4,16.2,16.3,16.3,16.3,16.8
1902,15.5,15.7,15.5,16.2,16.4,16.3,16.3,16,16.4,16,16.1,16.9
1903,15.8,15.4,15.7,16.4,16.6,16,16.1,15.9,16.3,16.1,15.8,16
1904,15.1,15,15.4,15.8,16.3,16.1,16.1,16.1,16.5,16.3,15.8,16.4
1905,15.8,15.7,15.6,16.4,16.2,16.1,16.3,16.1,16.6,16.3,16.2,17.3
1906,16.1,15.7,15.5,16.6,16.8,16.3,16.3,16.1,16.6,16.1,15.9,16.7
1907,15.6,15.4,15.2,16.1,16.1,16.1,16.1,15.9,16.5,16.1,16,16.2
1908,15.5,15.3,15.4,16.2,16.2,16.1,16.1,15.8,16.4,16.2,15.7,16.6
1909,15.6,15.4,15.4,16,16.2,16.1,16,15.9,16.4,16.2,15.8,16.4
1910,15.7,15.2,15.1,16,16.3,16,16.2,16,16.2,16.1,16,16.3
1911,15.9,16,15.9,16.3,16.6,16.6,16.9,16.4,16.9,16.4,17.1,17.5
1912,16.4,16.3,16.3,17,16.9,16.4,16.6,16.3,16.9,16.6,16.6,17.4
1913,16.4,16.3,16.4,16.5,17,16.3,16.6,16.6,16.8,16.7,16.7,17.4
1914,16.3,16.1,16.1,16.6,17.2,16.3,16.6,16.5,17.3,17.1,17.3,17.8
1915,16.6,16.4,16.3,16.9,17.2,16.3,16.8,16.2,17.2,16.7,16.9,17
1916,15.8,16,16.1,17.1,16.6,16.4,16.2,16.3,17,16.8,16.7,17
1917,15.6,15.6,15.6,16.5,16.1,16.4,16.4,16.1,16.7,16.5,16.7,16.9
1918,15.3,14.6,15.8,16.2,16.2,15.9,16.7,16.4,16.9,16.4,16.8,16.9
1919,16.7,16.3,16.2,16.9,17.1,16.7,16.6,16.8,17.2,16.9,16.7,17.2
1920,16.2,15.6,16.3,16.7,16.8,16.7,16.8,16.2,16.9,16.5,16.9,16.6
1921,16.4,15.6,16,16.7,16.5,16.1,16.5,16.4,16.9,16.4,16.4,17.3
1922,16.3,15.7,15.5,15.9,16.3,16.3,16.4,16.1,16.9,16.5,16.7,17.2
1923,16,15.6,15.8,16.6,16.5,16.5,16.1,16.1,16.4,16.5,16.6,17.5
1924,16.8,16,16.2,16.6,16.6,16.3,16.3,16.6,16.3,16,16.3,16.8
1925,15.7,15.2,15.5,16.4,16.4,16.2,16.7,16,16.7,16.2,16.2,16.7
1926,15.9,15.5,15.6,16.9,17.3,16.5,16.4,16.2,16.4,16.2,16.3,17.1
1927,16.1,15.5,15.9,16.3,16,16.1,16.6,16.1,16.8,16.2,16.2,17.1
1928,16.1,16,15.5,16.1,16.5,16.2,16.4,16,16.5,16.2,16.4,17.7
1929,15.8,15.4,15.4,16.1,16.4,15.8,16.7,16.3,16.8,15.9,16,17.1
1930,15.6,15.3,15.3,16.3,16.6,16,16.8,16.9,16.8,16.6,16.7,17.1
1931,16.5,15.9,16,17,16.9,16.8,16.6,16.9,16.8,16.2,16.5,16.9
1932,15.4,15.5,15.8,16.2,16.5,15.9,16.3,16.1,16.3,16.6,16.3,16.7
1933,16.3,15.2,15.8,16.5,16.7,16.2,16.5,16.5,16.4,16.1,16.1,16.7
1934,15.6,15.2,15.5,16,16.4,16.3,16.6,16.2,16.9,16.4,16.2,16.6
1935,15.8,15.5,16.3,16.3,16.2,16.1,16.8,16.2,16.7,16.9,16.5,17.2
1936,16.3,16,15.9,16.4,17,16.2,16.5,16.3,17,16.4,16.5,17.5
1937,16.3,15.8,16.1,16.9,16.5,16.5,16.6,16.5,16.9,16.5,16.7,17.2
1938,16.4,16.2,15.9,16.7,16.5,16.5,16.6,16.5,17.1,16.7,16.4,17.2
1939,17,15.2,15.5,16.4,16.6,15.8,16.1,16.5,16.6,16.2,16.5,16.1
1940,14.9,15,15.2,16.3,16.5,16.6,16.3,16,16.8,16.7,16.6,17.1
1941,16.3,16.2,15.9,17,16.8,16.1,16.2,16.5,16.9,16.9,16.8,17.7
1942,15.5,15.6,15.6,16.4,16.4,16,16,15.7,16.4,16,15.7,16.5
1943,15.3,14.8,15.3,15.6,16.1,15.6,15.7,15.3,16,15.9,15.7,16.5
1944,15.5,15.2,15.2,16,16.1,15.7,16,15.8,16.4,16,15.7,16.4
1945,15.5,15.4,15.4,15.8,16.2,16,16,15.8,16.2,16,15.9,16.5
1946,15.9,15.9,16.2,16.5,16.7,16.3,16.2,15.9,16.8,16.3,16.2,17.3
1947,16.2,15.8,16.2,16.6,16.9,16.4,16.3,16.1,16.7,16.4,15.9,17.1
1948,16.7,16.2,16.5,16.8,16.9,16.9,16.9,17,17.1,17,16.8,16.6
1949,15.4,16.5,16.7,17,17,16.6,16.7,16.9,17.1,16.8,16.9,17.6
1950,16.7,16.3,16.4,16.7,17.1,16.6,16.4,16.6,16.3,16.7,16.9,17.2
1951,14.8,14.6,15,15.7,16,15.9,15.8,16.1,16.6,16.1,16.1,16.8
1952,15.6,15.2,15.3,16.1,16.1,16,16.2,15.7,16.2,16.2,15.6,16.1
1953,15.3,14.5,14.8,15.7,16,16,16.1,16,16.3,16.3,15.8,15.9
1954,15.1,15.3,14.8,15.7,15.9,15.6,15.6,15.7,16.2,15.8,15.3,16.2
1955,15.3,15.1,15.1,15.5,15.9,15.6,15.6,15.6,16.4,16,15.5,15.7
1956,14.5,14.7,15,15.7,15.7,15.3,15.6,15.4,16.1,15.9,15.9,16.2
1957,14.9,15,15.1,15.9,16.3,16.3,15.9,15.8,16.5,16,16.2,16.6
1958,15.5,15.5,15.4,16.5,16.6,16.3,16.2,15.9,16.8,16.2,15.4,16.4
1959,15.9,15.6,15.2,16.3,16.4,16.7,16.2,15.7,16.3,16.2,15.7,16.1
1960,15.8,15,14.3,15.2,15.7,15.4,15.1,15.1,15.7,15.4,14.8,16
1961,15.1,15,14.8,15.6,15.4,15.1,14.6,14.9,15.3,15.6,14.8,15.7
1962,15.1,14.9,14.8,15.4,15.6,14.9,15,14.8,16.1,15.8,15.7,15.9
1963,14.7,14.5,15.1,16,15.8,15.4,15.8,15,15.9,16.3,15.8,16.4
1964,15.5,15.1,15.2,16.2,16.1,15.6,15.8,15.2,16,15.6,15.5,16
1965,14.8,14.6,14.7,15.3,15.9,15.5,15.5,15.9,16.2,16.1,15.5,16.2
1966,15.2,15,15,16,16.1,16.1,15.7,16,15.8,16.3,16.1,16.2
1967,15.6,15.1,15.1,15.2,15.9,15.7,15.9,15.7,16.3,15.7,15.5,16.7
1968,15.6,14.6,15.2,15.4,16,15.9,15.9,15.6,16.3,16.1,15.8,16.2
1969,15.4,15,15.4,16.1,16.4,16,15.6,15.9,16.2,16.2,16.1,16.7
1970,15.8,15.3,15.5,16.5,16.4,16.1,15.6,15.8,16.3,15.9,15.8,16
1971,15.9,15.3,15.6,16.4,16.1,16,17.5,16.3,16.5,16,16.5,16.5
1972,14.9,15.1,15.1,15.7,16.1,16.4,16.3,16.4,16.9,16.4,16.1,16.8
1973,16,16.1,15.9,16.5,16.1,16.3,16.1,16.2,16.4,16.1,15.5,15.9
1974,14.8,15,14.8,15.7,15.8,15.9,15.9,15.6,16.2,16.1,15.7,15.7
1975,15,15.3,14.9,16.2,15.9,15.7,15.7,15.7,16.2,15.4,15.7,16.1
1976,15.4,15,15,15.7,15.7,14.9,16.2,15.3,15.8,16,15.6,16.4
1977,15.3,15.2,16.1,16.5,15.7,15.7,16.7,15.7,16.2,16.2,16.1,16.8
1978,15.8,15.7,15.7,15.9,16.7,16.1,16.3,16.1,16.1,16,16,17
1979,15.8,15.2,15.2,15.9,15.9,16.2,16,15.8,16.4,16.1,16.5,16.6
1980,15.6,15.2,15.1,16,16.4,16.3,16.7,15.6,16.8,15.4,16.3,16.5
1981,15.5,15.2,15.4,16.6,16.8,16.2,15.5,14.7,16.6,16.3,15.6,16.3
1982,15.9,15.2,15,15.4,15.8,16.2,16.1,15.6,16.1,15.5,15.4,16.5
1983,15.1,15.1,15.5,16.4,16.2,16.2,15.7,16.1,16.3,15.9,16.1,16.5
1984,14.9,14.4,14.7,15.5,16,16.3,15.6,15.2,15.6,15.4,16.1,16.5
1985,15.6,15.8,15.4,16.6,16.6,16,15.6,16.4,16,15.9,16,16.8
1986,15.5,15.8,15.5,16.6,16.7,15.7,16,16,16.2,16.1,15.9,17.1
1987,16.8,15.5,15.5,16.5,17,16.9,16.8,16.7,17,17.1,16.2,17.5
1988,16.4,16.2,16.4,16.9,16.8,16.8,16.8,16.5,17,16.3,16.5,17.1
1989,16,15.7,15.1,16.1,17,16.4,16.8,16.5,16.6,16.5,16.7,17.8
1990,15.7,16.1,15.6,16.3,16.1,16.7,16,16.2,16.5,16.4,16.2,17.3
1991,16.8,16,15.6,16.9,16.5,16.4,16.4,16.3,16.8,16.6,16.2,17.8
1992,15.6,15.7,16.2,16.7,17.5,16.6,16.7,16.2,17,16,16.3,17.4
1993,16.5,15.5,15.4,16.6,16.7,17.2,17.1,16.8,16.5,16.6,16.6,17.3
1994,16.2,16.3,16.3,16.3,17.2,16.4,16,16,17,17.1,16.8,17.7
1995,17,16.6,16.2,17,17.2,17.7,17.3,16.9,17.1,17.2,17.1,16.5
1996,16.5,16.3,16.5,16.8,17,17.5,17.1,16.9,17,16.6,16.4,16.8
1997,16.3,15.9,16.4,16.8,17.2,17.2,17.4,16.9,17.7,17.1,16.9,17.7
1998,17.2,17.3,17,16.8,17.9,17.1,17.3,16.4,17.6,16.8,16.6,17
1999,16,16.2,16.2,16.4,17.2,16.7,16.5,16.2,16.9,16.6,16.3,16.4
2000,16.2,15.8,15.6,16.8,16.9,17,16.4,16.5,17.2,16.7,17.2,17.4
2001,16.3,16.2,16.2,17,17.4,16.8,16.9,16.9,17.5,16.7,17,17.7
2002,17.2,16.8,17,17.1,17.4,17.3,17.6,17,17.2,17,17.2,17.8
2003,17,16.8,16.2,17.5,17.7,16.9,17.7,16.7,17.7,16.3,17.1,17.8
2004,17.2,16.4,16.6,17.4,16.9,16.7,17.4,16.5,17.4,16.9,16.6,17.5
2005,16.3,16.6,16.7,17.1,16.9,17.2,17,16.5,15.9,16.9,16.4,16.9
2006,16.2,16.5,16.4,16.5,17,16.6,17.4,17.2,17.1,16.9,16.4,17.9
2007,17.1,16.2,15.7,16.8,17.3,16.9,17,16.7,17,16.6,16.4,16.8
2008,16.7,16,15.6,16.9,17.1,16.6,17.1,16.8,16.9,16.9,17,17.8
2009,16.6,16,15.8,16.9,17.2,16.6,17.1,16.9,17.6,17,17,17.6
