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