1901,16.6,15.2,16.5,17,17.9,18.8,19.1,19.4,18.7,18.1,17.4,17
1902,16.4,15.6,15.8,16.3,17.1,18.2,19,19.2,18.7,18,17.2,16.4
1903,15.8,17,17.3,16.3,17.4,18.1,18.9,18.8,18.7,17.8,17.4,17.2
1904,16.7,15.8,16.1,16.7,17.5,18.4,18.9,18.8,19,18.5,17.2,17
1905,16,15.2,16.8,17.8,18.7,18.5,19.6,19.9,18.5,17.9,17.9,16.9
1906,16.5,16.4,15.9,17.5,18,19,19.4,19.8,19.7,19.3,18.3,17.4
1907,16.9,16.2,15.7,16.5,18.3,19.4,19.6,19.4,19.5,18.7,18.2,17.3
1908,15.5,15,16.7,16.2,17.2,17.7,18.6,19,18.7,18.1,17.6,16.9
1909,15.7,15.1,15,16.9,16.8,18.3,18.6,18.8,18.8,18.5,18.5,17.5
1910,16.2,15,15.5,16.4,16.6,17.7,18.5,19.8,19.6,17.8,17.7,16.7
1911,15.3,15.3,15.9,16.9,17.2,18,18.9,19.4,18.8,18.1,17.3,16.2
1912,16.1,16.1,15.2,16.2,17,17.9,18.7,19.8,18.9,18.4,17.7,17.1
1913,15.9,15.9,16.2,16.5,17.4,18.3,18.8,19.6,18.7,17.9,17.9,17
1914,15.2,16.2,16.4,16.9,17.7,18,18.1,19.1,19.5,19.2,18.5,15.9
1915,15.9,14.7,16.4,16.9,18.7,19,19.3,19.9,19.6,18.3,18.3,17.4
1916,16.4,14.7,17,17.4,17.8,18,18.5,18.2,18.6,17.9,17.3,16.4
1917,16,16,15.8,16,18.6,19,19,19,18.5,19.3,18.2,18.1
1918,17.2,17,17.1,17.5,17.7,18.5,19.6,20.3,20.4,19.5,18.6,17.1
1919,15.8,15.9,16.5,17.6,17.8,19.2,19.4,19.7,19.4,18.9,18.2,17.7
1920,16.8,16.5,16.2,17.3,19.3,19.8,20.3,20.3,19.3,18.4,17.8,17.5
1921,16.2,17.2,17,18.3,18.6,19.4,19.8,19.8,19.3,19,17.8,17.3
1922,15.7,15.6,16.2,17.4,17.8,18.8,20.2,19.8,19.6,19.2,18.2,18
1923,16.2,16.1,16.5,17.6,18.3,18.6,19.6,20,20.2,19.3,18.2,17.1
1924,15.5,16.8,16,17.4,17.8,18.9,19,19.2,19.5,18.6,18.3,18.1
1925,16.5,17,16.2,16.5,17.7,18.9,19.5,19.7,19.5,19.2,18.4,17.9
1926,17.1,16.9,16.5,17,18.4,19.6,20.2,20,20.3,19.4,19,17.9
1927,16.9,17.2,16.9,17.8,18.5,19.4,19.4,19.3,19.5,18.8,18.6,16.9
1928,16.2,15,17.3,17.7,18.1,18.7,19.1,19.6,19.3,18.7,18,16.4
1929,16,15.6,17,17.4,18.5,19.2,19.8,20,20,19,17.7,16.4
1930,15.9,16.5,16.7,16.4,18,18.9,19.8,20.3,20.5,19.4,18.9,18.1
1931,17,16.5,17.4,17.4,18.7,19.8,19.5,20.2,19.7,19.6,18,16.7
1932,16.7,16.5,17.1,17.5,17.8,18.6,19.5,19.9,19.8,19.1,18.7,17.2
1933,16,16.2,16.5,16.5,17.6,18.2,18.8,18.7,18.7,18.4,17.6,18
1934,17.1,16.8,16.9,16.5,18.6,19.4,19.9,20.6,20.2,19.5,19.1,18.2
1935,16.9,16,16.8,17.1,18.7,18.5,19.8,19.9,19.8,19.7,18.8,18.2
1936,17.4,17.4,16.8,17.8,17.7,19.4,19.7,19.8,19.8,19.8,18.3,16.7
1937,16.1,16.2,16.2,17.7,18.8,19.9,19.9,20.5,20.3,19.9,19,18.4
1938,17.9,18.2,17.6,17.9,18.3,19.8,20.2,20.6,20,19.8,18.5,17.4
1939,16.8,17.9,16.5,17.5,18.1,18.4,19.1,19.6,19.2,18.8,17.5,17.3
1940,17.3,16.8,17.4,18.6,19.3,19.7,20.1,20.4,20.1,19.9,18.8,17.7
1941,17.4,16.5,16.2,17.1,17.7,19.3,19.7,20.7,20,19.3,18.4,16.5
1942,16.7,16.5,15.4,16.3,18.2,18.7,19.2,19.3,19.3,18.9,18.7,18.4
1943,17.3,16.6,16.1,17.5,18,19,19.3,19.1,19.3,18.9,18.3,17.8
1944,17.4,16.3,16.4,17.5,17.8,18.3,18.9,18.7,18.9,18.2,18.1,17.3
1945,17,17.2,17,17.4,18.9,19.4,19.3,19.8,19.4,19,18.6,17.2
1946,17.3,16.6,16.9,16.9,18.1,19.2,19.6,20,19.9,19.2,18.2,16.8
1947,15.9,16.6,16.5,17.5,17.9,18.9,19,19.3,19.5,18.9,18,16.7
1948,15.9,16.2,16.2,17.6,18.2,19,19.5,20,19.5,18.6,17.6,16.2
1949,15.8,15.8,15.4,16,17.5,18.5,18.7,19.1,18.8,18.2,16.9,16.7
1950,17.4,17,17.2,16.9,17.8,18.5,19.2,20,19.6,18.8,18.5,16.9
1951,16.7,16.1,17.2,17.2,18.3,19.4,20,19.9,20.1,19.1,17.8,16.9
1952,16.2,16.3,16.2,16.5,17.3,18.3,18.9,19.2,18.9,19,18.2,16.9
1953,16.9,16,16.1,17.1,18,18.8,19.3,19.8,19.4,18.5,17.6,16.7
1954,16.5,16.3,16.1,17.9,18.1,19.4,19.6,20.3,19.8,19,18.7,16.1
1955,15.9,15.3,15.8,16.7,17.3,17.9,18.2,18.8,18.4,17.9,17.7,17.1
1956,17.3,15.7,16.7,17.5,17.7,18.7,19.3,19.7,19.3,18.7,18,17.4
1957,16.6,15.4,16.2,17,17.9,19.5,19.8,20.1,20.3,19.6,18.6,17.3
1958,16.7,16.3,16.2,17.3,17.7,19,19.9,20.5,19.8,19,18.3,16.9
1959,17.3,16.5,17,17.8,18.4,19.5,20,20.5,19.5,19.1,18.2,16.8
1960,15.8,16.1,16.8,17.5,18.4,19.3,20,19.9,19.9,19.4,17.8,17.3
1961,17.2,17,17.3,17.8,18.6,19.5,19.7,20.2,19.7,19.5,18.4,16.9
1962,17.4,16.4,16.6,18.2,18.2,19.1,19.2,19.9,19.3,18.9,18,16.9
1963,16.8,17.6,17.3,18.4,18.4,19.2,19.8,20,20.1,19.2,18.6,18.2
1964,17.4,16.2,16.7,17.4,17.6,19.5,19.7,19.8,19.5,18.5,18,18.2
1965,17.2,15.1,16.1,17.8,19,19,19.7,20.1,20.5,19.4,18.6,16.4
1966,16.1,16,17.1,17.3,19.2,19.6,20.4,20.7,20.7,20.2,19.6,18.7
1967,17.3,18.2,18.4,18.7,20.4,20.8,21.1,20.8,20.6,20.4,19.4,18.3
1968,17.8,18.7,18.6,18.5,19.6,20.4,20.6,20.4,20.5,20.4,19.9,18.4
1969,16.9,17.3,17.6,18,19,20.1,20.1,20.2,19.5,18.9,18.4,17.3
1970,17.2,16.5,16.8,17.8,18.6,18.8,19.3,19.7,19.4,19.4,18.7,17.9
1971,16.9,17.2,16,17.1,17.8,19.5,20.5,20.5,20.4,19.4,18.7,17
1972,16.3,16.4,18.2,17.9,18.2,19.7,19.8,20.4,20.3,19.7,18.3,17.2
1973,17.4,16.6,17.6,17.6,18.1,19.3,20,20.3,20.3,19.6,19.5,18.5
1974,18.7,17.5,17.9,18.4,18.6,19.7,20.2,20.5,20.8,20.2,18.5,17.8
1975,16.8,17,16.9,17.7,18.2,19.2,19.5,20,19.8,19,18.5,17.6
1976,17,16.7,17.1,17.6,18.2,18.7,19.3,20.3,20.5,19.9,18.9,18.2
1977,18.4,18.2,18,18.7,19,20.1,20.7,21.3,20.9,20.2,19.4,18.5
1978,17.2,17.4,18,18.6,19.9,20.3,20.8,20.5,20.1,19.4,18.7,17
1979,16.1,16.2,17,18.5,18.6,19.1,19.5,20,20.4,19.9,18.3,18.1
1980,17.1,17.5,17.5,18.9,20.5,20.8,21.1,19.6,19.9,19.1,18.6,18.7
1981,18.1,17.6,17.2,18,18.8,20,20.2,20.2,20.2,19,18.7,17.5
1982,17.3,17,16.4,17.1,18.1,20.2,20.5,20.7,20.1,19.1,19.1,17.4
1983,17,17.1,17.6,17.5,18,19.1,19.5,19.7,19.4,18.7,18.6,18
1984,17.6,16.9,18.3,18.2,18.8,19.4,19.7,19.8,19.8,20,18.6,17.1
1985,16.1,16.4,16,16.4,17.4,19.2,19.9,20.1,19.9,18.9,18.2,17.3
1986,16.8,17.9,18.8,18.4,19.5,20.4,21.1,21.5,21.1,20,19.3,18
1987,17.2,16.4,17.1,17.6,17.9,19.7,20.5,21.2,21,20.1,19.1,18.1
1988,17.3,17.3,17.4,18,18.9,19.4,20.1,20.2,20.4,20.8,20,19.1
1989,17.5,16.9,17.5,17,18.1,19.4,19.8,19.6,19.4,19.5,18.5,17.1
1990,17.4,16.2,16.9,18.4,18.8,19.5,20.1,20.7,20.7,19.9,19.5,17.6
1991,17.3,17.6,16.7,17.9,18.9,19.5,20.2,20.8,20.7,20,19.7,18.1
1992,17,16.8,17.5,17.8,19.2,20.2,20.3,20.8,21,20.6,19.4,18.4
1993,16.8,16.1,17.1,18.4,18.3,19.7,20,20.7,20.7,19.7,18.4,17.5
1994,16.2,16.7,17.2,18.3,19.2,20,21.3,21.6,21.3,20.5,19.2,18.1
1995,17.7,17.5,18.7,18.6,19.5,20.5,21.2,21,21.2,19.8,19.6,19
1996,18.1,17.3,17,18.9,19.9,20.5,21,21,20.8,20.5,19.6,18.2
1997,17.8,17.5,18,18.6,19.2,20.4,20.9,21.2,21,20.1,18.8,18.7
1998,17.2,17,17.8,17.3,17.7,18.9,19.5,20.2,19.3,18.6,17.8,16.3
1999,16,15.4,16.5,16.8,18.1,18.6,19.2,19.3,18.9,18.7,17.9,17.2
2000,15.8,16.8,17.2,17.1,18.7,19.8,19.9,20.2,19.8,19.4,18.2,17.4
2001,17.2,16.7,16.9,17.4,17.9,18.9,19.8,20.2,20.2,19.3,18.8,18.1
2002,17.3,16.1,17,18.3,18.9,19.7,20.4,20.7,20.1,19.8,19.1,18.1
2003,17.5,16.9,18.2,17.8,18.8,20.2,20.9,21,20.9,20.5,18.7,18.1
2004,17.7,18,18,18.4,19.8,20.2,21,21.4,21.1,20.2,19.5,18
2005,17.7,17.2,18,18.6,19.9,20,20.8,20.6,20.8,19,18.9,18.2
2006,17.2,16.3,17.5,17.5,17.7,19.6,20.3,20.4,19.9,19.9,19.7,18
2007,17,16.3,17.7,18,19.3,20,20.7,20.7,20.4,19.2,19,17.9
2008,16.5,16.8,17.7,18,18.7,19.7,20.5,20.2,19.7,18.9,18.3,17.5
2009,16.2,15.8,15.7,16,19,19.8,20.1,20.2,19.6,19.9,18.5,17.8
