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