1901,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1902,16.4,16.8,17.4,17.6,17.2,17.1,17,17.1,16.6,17.2,17,16.6
1903,16.7,17.1,17.6,17.9,17.5,17,16.8,16.8,16.4,17.1,16.8,16.5
1904,16.3,16.9,17.5,17.9,17.5,17.2,16.6,16.7,16.4,17.1,17,16.6
1905,16.5,16.9,17.5,17.8,17.5,17,16.7,16.7,16.4,17.2,17.2,16.7
1906,16.4,17.1,17.5,17.8,17.7,17.3,16.7,16.9,16.5,17.1,16.8,16.2
1907,16.3,17,17.6,17.9,17.6,17.1,16.7,16.7,16.4,17.1,16.9,16.1
1908,16.4,16.7,17.7,18,18,17.2,16.7,16.7,16.7,17.7,16.7,16.3
1909,16.2,16.7,17.3,17.5,17.4,16.9,16.7,16.8,16.4,17.1,16.9,16.6
1910,16.4,16.9,17.6,18,17.7,17.1,16.9,16.9,16.4,17.1,17,16.8
1911,16.6,16.9,17.7,17.9,17.8,17.2,16.8,16.8,16.5,17.3,17.2,16.8
1912,16.4,16.9,17.5,17.7,17.4,16.9,16.5,16.6,16.3,17,17,16.5
1913,16.4,16.8,17.4,17.7,17.5,16.9,16.6,16.7,16.4,17.1,17,16.6
1914,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1915,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1916,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1917,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1918,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1919,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1920,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1921,16.5,16.9,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17.1,16.7
1922,16.6,17,17.6,17.8,17.5,17.1,16.6,16.7,16.4,17.1,17.1,16.7
1923,16.5,16.2,17.5,17.2,17.5,16.5,16.6,15.9,15.7,16.3,16.1,15.9
1924,16.5,16.5,17.5,17.9,17.6,17.4,16.3,17.1,16.3,17,16.7,16.7
1925,16.5,16.9,17.5,17.8,17.6,17.1,16.7,16.8,16.5,17.1,17,16.6
1926,15.8,16.7,17.3,17.7,17.4,17.1,16.9,16.6,16.6,16.9,16.5,15.9
1927,15.8,16.1,16.9,17,16.6,16.6,15.9,16.6,15.6,17.2,15.9,15.9
1928,15.6,16.6,17.1,17.7,17.5,16.8,16.5,16.9,16.2,17,16.6,16.1
1929,15.8,16.4,16.9,17.3,16.9,16.4,16.5,16,15.7,17.1,17,15.9
1930,16.4,16.6,17.5,17.9,17.3,16.7,16.5,16,15.7,16.3,15.9,16.6
1931,16.5,16.9,17.5,17.8,17.6,17,16.6,16.7,16.4,17.1,17,16.6
1932,16.5,17,17.5,17.8,17.5,17,16.6,16.7,16.4,17.1,17,16.6
1933,16.5,16.9,17.4,17.8,17.4,16.8,16.5,16.8,16.6,17,16.4,16.6
1934,16.3,16.6,17.1,17.8,17.2,17.2,16.8,16.7,16,17.1,16.6,16.6
1935,16,17.1,17.3,17.5,17.1,17.3,16.1,16.3,16.3,16.8,16.3,16.4
1936,16.7,16.9,17.2,17.5,17.3,17.2,16.3,16.1,16,16.8,15.8,16.4
1937,16.4,16.6,17.3,17.7,17.5,16.7,16.4,16.4,16.3,16.9,16.8,15.9
1938,16.5,16.3,17.4,17.8,17.5,16.7,16.1,16.1,15.9,17,16.6,16.5
1939,15.9,16.7,17.6,17.9,17.4,16.9,17,16.8,16.5,17,16.8,16.1
1940,16.9,17.3,17.5,17.1,17.8,17.2,16.7,16.7,15.9,16.7,16.9,16.3
1941,17,17.9,17.7,18.2,18,17.1,16.3,16.6,15.8,16.8,16.4,16.2
1942,16.5,18.2,17.3,17.9,17.6,17.3,16.2,16.2,15.2,17.4,17.7,17.1
1943,16.3,16.6,17.6,18.3,18,17,16.4,16.1,15.9,17.3,17.5,17.9
1944,16.6,17,16.8,17.4,17.3,17.5,16.4,16.7,16.6,17.2,17.9,17.3
1945,16.7,16.7,18,19.2,17.7,16.4,16.9,16.2,16,17,17.3,16.4
1946,17.4,17.8,17.3,17.8,17.7,16.6,16.1,15.6,15.6,16.6,16.8,17.1
1947,16.9,17.1,17.4,16.9,17.1,17,16.5,16.1,15.2,17.2,18,16.6
1948,16.7,17.3,17.2,18.2,18.3,16.3,15.8,15.8,15.2,16.6,15.5,15.9
1949,16.6,17.6,17.6,19.2,18.2,17.2,16.5,17,15.5,16.8,17.5,17.2
1950,16.2,15.2,17.5,17.7,17.5,16.1,16.2,15.9,15.2,15.4,15.6,16.1
1951,17.2,17.2,17.9,17.8,17.7,17.3,16.8,16.3,16.9,17.3,17.4,16.6
1952,16.9,17.7,18.2,18.2,18,17,16.5,16.8,16.5,17.1,16.7,16.4
1953,16.7,16.8,17.3,18.1,17.8,17.5,16.4,16.9,16.1,16.9,17,16.6
1954,16.5,18.1,18.5,18.1,17.8,16.8,16.4,16.3,16.3,16.8,16.6,16.6
1955,17.5,16.4,17.2,17.3,17.3,17,16.5,16.8,16.3,17.8,16.4,16.5
1956,15.4,17,17.6,17.4,17.5,17.1,16,16.5,15.8,16.9,16.5,16.3
1957,16.9,15.9,17.6,18.1,18.2,17.1,16.8,16.5,16.6,17.7,17.5,17.8
1958,17.7,17.2,18.7,18.2,18.6,17.4,17.1,16.9,16.9,17.6,17.3,17.7
1959,17.7,17.9,17.9,18.2,18.2,17.4,16.6,16.8,17,18,17.6,17.2
1960,17.3,17.9,18.3,18.2,17.6,17.3,16.9,17.1,16.6,17.3,17.7,17.2
1961,16.7,17.8,18.1,18.4,18.8,17.9,17.5,17.5,16.3,17,16.8,17
1962,16.1,15.9,17.7,17.9,17.4,17.1,15.9,16.5,16.3,17,16.4,16.4
1963,16.1,16.3,16.6,17.2,17.6,16.4,16,15.7,15.5,17.1,17.8,17
1964,16.7,17.3,17.7,17.6,17.4,16.7,15.4,15.8,15.3,16,16.5,16
1965,16,16,17.9,17.5,16.8,16.3,16,16.1,16.4,16.6,17,16
1966,17.4,18.1,17.8,17.5,17.3,16.9,16.9,17,16.6,16.6,16.7,16.2
1967,16.6,17.2,17.8,18.6,18,16.7,16.5,15.9,16,16.6,17.1,16.9
1968,15.5,16.6,16.2,16.7,16.4,15.9,15.2,15.2,15.4,16.5,15.9,16.8
1969,16.8,16.6,16.9,17.9,17.1,16.6,15.8,15.4,16.4,17.2,16.4,16.5
1970,17.2,17.6,18,17.3,17,16.4,15.6,17.2,16.4,17.6,16.8,16.2
1971,15.7,16.3,16.4,17.6,17,15.1,15,16.6,15.1,16.8,16.9,15.7
1972,15.6,16,16.8,17.7,17.7,17.4,17.7,16.7,16.3,17.5,17.1,16.6
1973,16.7,16.8,17.5,17.9,17.3,16.7,15.9,16.5,16.6,17,17.5,16.2
1974,16.1,16.9,17.6,17.8,17.2,17.4,17.1,15.7,14.9,16.5,16.2,16
1975,16.1,16.9,17.4,17.6,17.1,17.2,17,16.2,15.8,16.5,16,15.6
1976,16.1,16.9,17.3,17.4,17.4,17,16.6,16.3,15.8,16.9,17.1,17
1977,17.9,17.3,17.8,18.3,17.8,16.8,16.3,16.7,16.6,17.1,16.7,16.9
1978,15.5,16.7,16,17.5,16.6,16.4,16,16.8,16.8,17,17,16.7
1979,16.6,16.3,15.5,17.1,17.6,17.1,16.6,17.7,16.4,16.5,17.4,17.9
1980,17.1,17.5,18.1,18.7,18.2,17,16.6,16.3,17.1,17.1,16.9,16.5
1981,17,17.5,18.5,18.1,17.8,17.2,16.6,17.3,16.8,16.9,16.8,16.5
1982,17.4,16.9,17.9,18.3,17.9,17.5,16.8,16.7,16.7,16.9,17.2,16.7
1983,16.5,16.9,18.3,19,18.4,18.5,17.9,18.6,16.8,18.5,18,15.6
1984,15.1,16.4,17.7,17.1,17.9,17.3,17.1,17.1,16.7,16.8,16.9,17.3
1985,17.7,16.6,17.2,17.4,17.4,16.8,16.5,16.3,16.9,17.6,17.6,17.3
1986,16.7,17.6,17.3,18.2,17.8,17,16.5,17.1,16.9,17.9,17.4,17.1
1987,16.9,17.7,18.7,19.4,18,18.3,17.5,17.6,17.8,18.1,17.7,17.3
1988,17.9,18.3,18.6,18.2,17.7,18,17.2,17.3,16.9,17.4,17,16
1989,15,15.8,17.3,17.1,17.2,16.3,16.6,17.2,17,17.5,16.7,17.5
1990,16.2,17.9,17.8,18.2,18.1,17,16.5,17,16.2,17.6,16.9,17.3
1991,15.8,16.9,17.6,17.3,17.3,17.4,16.1,15.6,15.8,17.3,16.1,15.4
1992,15.8,17.1,18.1,19.2,17.6,18.4,17.5,16.2,17.1,17.4,17,16.7
1993,15.7,15.6,17,17.9,17.5,17.9,17,17.9,16.4,17,19.3,16.9
1994,15,17.1,16.3,17.7,18,17.3,17,17,16.7,18,16.7,15.9
1995,16,16.8,16.5,18.7,18,18.5,17.6,18,17.4,17.5,18.3,17.3
1996,17.5,17,17.2,18.2,17.9,16.8,17.2,16,16.3,17.8,17.2,17.1
1997,17.6,17.6,17.9,18.2,18.3,17.8,17.4,17.3,18.3,18.1,17.3,16.9
1998,16.6,17.2,18.4,17.8,17.1,17.7,17.3,17.4,16.7,18.2,17.9,16.9
1999,17.7,17.9,18,18.2,16.5,18,16.7,17.8,17.2,17.2,17.4,16.6
2000,16.3,16.7,18.3,19.2,19.5,17.2,17.8,18.7,16.5,17.2,18.9,17.1
2001,18.1,19.9,19.5,19.2,18.6,17.8,17.6,18.4,18.1,18.5,17.9,16.9
2002,17.6,18.6,19.4,19.9,19.7,19,18.8,18.9,18.7,18.4,18.9,18.6
2003,19.3,18,19.6,20,19.9,18.9,18,17.5,18.6,19,19.4,19.6
2004,19.9,19.1,18.7,18.2,19.2,18.4,18.2,18.2,17.1,17.6,17.6,16.9
2005,15.9,19,19.8,19.8,18.2,18.5,17,17.6,17.9,17.3,19.4,19
2006,17.5,18.4,19.2,19.4,17.8,16.8,17.9,18,16.3,18.5,19.8,18.7
2007,18.9,19.9,19.2,19.5,19.4,17,15.5,17.1,18.4,16.7,17.1,18.5
2008,18.4,19.3,18.9,18.4,18.4,18,16.5,18,18,17.3,16.1,16.2
2009,17,19.5,19.1,19.5,18.3,17.7,17.3,18.7,18.5,18.9,19,19.8
