1901,16.9,17.7,18.3,19.2,20.5,19.8,19.7,20.2,19.9,19.8,17.9,18.4
1902,16.2,17.1,18.5,19.7,20.3,20.8,19.6,20,19.2,18.6,18.3,18.1
1903,17.5,17.8,17.2,19.6,19.9,20.4,20.2,19.6,19.4,19.2,18.6,17.9
1904,15.5,16.6,17.6,19.4,19.7,19.2,18.8,19.3,19,18.8,18.4,17.6
1905,16.3,16.8,18.6,19,19.6,19.9,20.2,20.2,19,18.8,18.5,18.3
1906,16.9,17.6,18.1,20.1,20.2,20.2,19.7,19.2,19.8,18.6,17.6,17.7
1907,16.7,16.7,17.9,19,20.1,19.8,19.4,18.9,19.5,18.7,17.5,17.5
1908,16.6,16.6,18,19.7,19.9,19.8,19.5,19.3,19.1,18.8,17.8,17.6
1909,16.4,17,17.9,19.5,20.1,19.9,18.9,18.7,19,18.9,18,17.4
1910,17,17.2,18,19.3,20.8,20.4,19.9,19.9,19.4,19,18.1,17.7
1911,16.7,17.7,19.1,20.7,20.7,20.6,20.4,20.5,20,19.2,19.1,18.6
1912,16.6,18.1,19.3,19.8,20.4,20,20.4,20.3,19.7,19.1,18.2,17.7
1913,16.1,17.4,18.3,19.1,20.3,20.3,19.6,19.8,19.4,19.2,18.4,17.8
1914,17.5,17.4,18.7,19.8,20.7,20.3,20.2,19.8,19.9,19.2,19,18.2
1915,17.2,18.1,19,20,21.4,20.8,19.5,19.8,19.2,19.3,18.1,17.7
1916,16.4,16.8,18.3,19.8,19.6,19.8,19.5,19.6,19.2,19.3,17.9,17.5
1917,16.4,16.8,17.7,19.5,20.2,19.9,20.4,19.9,18.9,19,18.2,17.1
1918,16.1,16,18.2,19.4,19.8,20.3,20.6,20,20,19.2,18.9,18.1
1919,17.6,18.3,18.7,19.9,20.3,20.4,19.9,19.5,19,19.5,18.4,18.1
1920,16.8,18.1,19.4,19.4,20.9,20,20.3,20,20,19.9,18.6,18.2
1921,16.7,16.3,18.1,18.7,20.6,20.4,19.7,19.5,19.6,18.7,18,17.9
1922,16.9,16.7,18.2,19,19.9,20,19.9,19.7,19.6,18.5,18,17.1
1923,16.2,16.4,17.9,19.2,20,19.4,19.1,19.4,18.9,18.4,18.1,17.5
1924,16.7,17.3,17.9,19.1,20,19.5,19.6,19.6,18.6,18.7,18.3,17.7
1925,15.9,16.5,17.4,19,20,20,19.9,19.5,19.3,18.9,18,17.9
1926,16.8,17.4,18.6,19.7,19.9,20,19.6,19.9,19.4,19.3,18.1,17.9
1927,16.8,16.9,17.7,18.9,19.4,19.5,19.9,19.7,19.1,18.9,18.2,18.1
1928,17.1,17,18.1,19,20.5,20.5,19.8,19.4,20.3,18.9,18.3,18
1929,16.4,16.9,18,18.4,19.9,19.8,20,19.4,19.3,19,18.1,17.4
1930,16.7,17.5,18.1,18.9,19.4,19.4,20.2,19.5,19.2,18.4,18.6,18
1931,16.9,17.6,18.7,19.2,20.1,20.1,19.7,19.7,19.4,19.7,18.2,17.7
1932,17.2,16.5,18,18.9,19.5,20,20.1,19.1,19.1,18.6,18.1,17.5
1933,16.8,16.9,18.1,18.9,19.2,19.4,19.4,18.8,18.8,18.4,17.9,17.5
1934,16.2,16.4,17.2,18.8,20.1,19.7,20.1,19.7,19.8,18.5,17.9,17.8
1935,16.8,16.9,18.1,19.1,20.3,19.6,19.9,19.5,19.3,18.9,18.1,17.6
1936,16.5,17.5,18.1,19.8,19.8,19.7,20.4,19.7,19.1,18.9,18.2,17.7
1937,16.8,17.4,18,19.1,20.5,20.7,20.3,20.3,19.7,19.2,18.3,17.4
1938,17.6,17.4,18.1,18.7,20.7,20.5,19.9,19.4,19.6,19.3,18.3,17.9
1939,16.4,16.5,18,18.8,20.1,20.1,19.9,19.7,20,19.2,18.3,17.9
1940,16.7,17.3,18.8,19.2,20,20.4,20.4,20.3,20,19.1,18.4,18.3
1941,17.2,17.9,18.5,19.9,20.5,20,20.4,20.2,19.4,19.5,18.6,18
1942,17.2,17.9,18.5,19,20.3,20.1,20.3,20,19.8,19,18.4,17.9
1943,16.9,17,18.2,19,19.3,19.5,19.6,19.6,19.9,18.7,17.9,17.8
1944,16.7,16.9,17.7,18.9,19.8,19.8,20,20,19.4,18.9,18.1,17.8
1945,16.5,17,18,19.2,20.8,20.4,20,20.1,20.1,19,18,17.4
1946,16.4,17.5,18,19.3,21.1,20.7,20.4,20.1,19.4,18.8,18.3,17.9
1947,17,17,18.2,19.5,20.5,20,20.1,19.6,19.4,18.6,18.2,17.5
1948,17.3,17.4,18.4,19.1,20.5,20.2,20.1,20.1,20.1,19.1,18.7,17.8
1949,16.9,16.6,18.4,18.8,20,20,19.7,19.5,19.8,19.5,18.4,17.6
1950,16.6,17.3,18.5,19.2,20.8,20.1,20.2,19.9,19.8,18.6,18.3,17.7
1951,16.6,16.2,18,18.9,20.2,19.6,19.7,20.2,19.4,19.4,18.6,18.1
1952,16.8,17.4,18.4,18.8,20.3,20.2,20.1,20.4,20.2,19.4,18.3,18.2
1953,16.8,17,18.5,18.8,21.5,20.9,19.2,19.8,19.7,19,18.1,18.2
1954,16.9,17.1,18,19.1,20.2,20.5,19.7,19.3,19.5,18.4,17.9,17.6
1955,17.2,17.1,18.3,19,19.8,19.8,19.9,19.8,19.2,19.5,18.4,17.6
1956,16.8,16.8,18.1,19.9,20.9,20.2,20.2,19.5,19.5,18.8,18.5,17.9
1957,16.8,17.1,18.1,19.5,20.2,20.6,20.9,20.5,20.2,19.5,18.7,18.3
1958,17.8,17.7,19,19.8,20.8,20.6,20.9,19.9,19.9,19.5,18.7,18.6
1959,17.5,17.7,18.3,19.5,20.3,19.9,20.6,19.9,19.6,19.5,18.5,18.1
1960,17.2,16.9,18.2,19.1,20,20.6,19.8,19.9,19.7,19.2,18.1,18.3
1961,17.8,17.7,18.5,19.5,20.3,19.8,19.9,20.1,19.5,18.8,18.2,17.9
1962,16.9,17.7,18.1,19.4,20.1,20,20.6,20,19.6,19.6,18.3,18.1
1963,17.3,17,18.2,19,20.3,20.5,19.7,20.3,19.4,18.7,18.5,18.2
1964,17,17.8,18.5,19.6,21,20.4,20,19.8,19.6,19.2,18.5,17.8
1965,17.2,17.6,18.3,19,20,20.5,20.6,20,19.8,19,19,18.5
1966,17.7,18.2,18.8,19.4,20.8,20.3,20.8,20.8,20,18.8,18.7,18.3
1967,16.9,16.9,18.6,19.3,20.7,20.5,20.2,20,19.7,19,18.2,18.4
1968,17,17.3,18.8,19.1,20.9,20.5,20.3,20.3,19.9,19.5,18.6,18.2
1969,17.1,17.4,18.5,20,20.5,20.8,20.4,19.9,20.4,19.2,18.6,18.6
1970,17.3,17.7,18.7,19.6,20.7,21.1,20.3,20.1,19.6,19.4,18.8,17.1
1971,17,17.1,18,19,20.6,20.5,19.9,19.4,19.3,19,18.1,17.5
1972,17.1,16.6,17.9,19.3,19.9,20.7,20.7,20,20.1,19.1,18.6,19.1
1973,17,18.4,19,20.2,20.9,20.4,20.7,20,20,19.4,18.4,17.9
1974,16.8,16.7,18.2,19,19.7,20.2,20.1,19.7,19.1,19.1,18,17.5
1975,16.3,17.3,18.2,19.4,20.5,20.1,19.7,20.2,19.4,19.9,18.5,17.4
1976,16.7,18,17.7,19.1,20.6,20.5,20.6,20.1,19.8,19.4,19.2,18.3
1977,16.5,17.5,18.6,19.7,19.9,20.8,20.3,19.7,19.9,19.2,19,18.4
1978,17.7,18.4,18.8,20,20.3,20.8,20.1,20.2,20.1,19.3,18.4,19.4
1979,18.3,18.7,19.3,20.3,21.1,21.3,20.7,20.5,19.5,19.2,19,18.9
1980,17.5,17.6,19,20.3,21.3,21.4,20.8,20.5,19.9,19.6,19.3,19
1981,17.4,17.3,19.2,19.9,20.8,20.7,20.6,20.1,19.7,19.9,19.2,18.3
1982,17.6,17.7,18.8,20,20.6,20.3,20,20.5,20.2,19.2,18.8,18.2
1983,17.7,18.1,19.3,20.5,21.5,21.1,20.7,20.7,19.8,19.7,18.5,18.1
1984,18,17,18.9,19.3,20.5,20.2,19.2,20,19.2,19,18.2,18
1985,18.2,17.7,18.8,20.3,20.9,19.4,19.8,19.6,19.4,19.2,18.4,18.5
1986,17.2,17.1,17.9,19.2,20.6,20.9,20.6,19.7,19.8,19.1,18.8,19.2
1987,18.3,17.4,19.8,20.2,20.8,21.2,20.4,20.2,19.8,19.3,19.4,19.2
1988,18.4,18.2,19.8,20.1,19.9,19.9,20.1,20.5,19.8,20,18.7,18.3
1989,17.5,16.8,18.3,20.2,20.8,20.3,19.5,20.1,19.6,19.4,19.3,18.8
1990,17.6,18.7,19.6,20.1,20.9,20.2,19.8,20.4,20.2,19.5,18.8,18.2
1991,17.6,17.7,18.8,19.8,21.2,20.4,21,20.7,20.3,19.2,18.6,18.1
1992,17.4,17.1,18,19.9,20.4,20.8,20.1,20.3,19.4,19.1,18.8,17.7
1993,16.8,17.6,18.6,19.4,20.2,20.7,20,19.2,19.8,19.3,18.7,18.6
1994,17.3,17.6,18.6,19.6,20.5,20.8,20.7,20,19.5,18.5,18.6,18.9
1995,17.8,17.7,19,19.5,20.6,20.5,21,20.3,20.1,19.6,19.4,18.9
1996,17.4,18.2,19.2,19.6,21.3,19.9,20.7,20.5,19.7,19.1,18.8,18.1
1997,17.6,17.5,18.5,20,20.4,20.9,21,20.8,19.5,19,19.1,19.4
1998,18.4,18.9,20.1,20.9,21.3,21,20.9,20.5,20.6,20.1,19.3,18.8
1999,16.9,17.9,18.5,19.2,20.4,20,21.1,20.4,20,19.2,18.8,18
2000,17.5,17.9,18.6,20.1,21,20.8,20.7,20.2,19.9,19.7,18.9,18.7
2001,17.5,17.4,19.5,19.4,21.7,20.7,20.9,20.8,20.5,20.3,19.5,19
2002,18.1,18.5,19.7,19.8,21.1,21.3,21.3,20.8,21.1,19.6,19,18.5
2003,17.7,18.3,19.3,20,20.9,21.3,20.8,20.7,20.6,20,18.8,19.3
2004,18.6,18.5,19.5,20.3,20.5,20.8,20.7,20.8,19.4,19.1,18.9,18.6
2005,17.9,18.6,19.7,19.6,21.1,21.2,20.7,21,20.5,19.8,18.5,18.7
2006,17.3,18.3,19.1,20.2,20.8,21.1,21,20.2,20,19.4,19.2,18.8
2007,17.9,18.3,19.1,19.4,21.3,20.7,20.5,20.3,19.8,19.4,19.3,18.6
2008,17.7,18.5,18.4,19.2,20.6,20.9,20.6,20.1,20.4,19.8,19,19
2009,17.9,18.2,19.6,20.4,21.1,20.5,21.1,20.7,19.8,20,19.3,19.3
