1901,17.3,19,19.4,19.2,18.6,17.5,17.6,17.5,17.6,17.6,16.8,16.5
1902,16.8,17.7,18.5,18,17.1,18,18.9,19.1,18.4,17.7,16.8,16.1
1903,18.3,19,19.6,19.8,18.6,17.9,18.2,17.5,17.4,17.3,15.8,15.8
1904,16.3,18.4,18.9,19.4,18.7,18.5,17.3,17.8,17.4,17.2,16.4,15.8
1905,17.1,17.8,18.5,18.6,18.1,17.9,17.8,17.2,17.4,18.1,17.4,16.8
1906,16.7,19.2,19.1,19,19.5,19,17.8,18,17.9,17.4,15.8,14.4
1907,16,18.7,19.6,19.4,19.1,18.4,17.5,17.1,17.2,17.2,16,13.8
1908,16.8,17.4,20.2,20.2,20.8,18.7,17.6,17.1,18.6,20.2,15.3,14.5
1909,15.7,17.3,18.2,17.5,18,17,17.8,17.9,17.5,17.2,15.9,16.3
1910,16.8,18.2,19.6,19.9,19.5,18.4,18.8,18.1,17.3,17.3,16.8,17.1
1911,17.5,18.3,20,19.4,19.5,18.6,17.9,17.7,17.6,18.3,17.3,16.9
1912,16.8,18,18.8,18.7,18.4,17.7,17.1,17.2,17.3,17.2,16.6,15.9
1913,16.9,18,18.3,18.9,18.3,17.6,17.4,17.4,17.5,17.3,16,15.6
1914,17.7,18.2,19.2,18.7,18.3,17.9,17.1,17.1,17.3,17.2,16.8,16.2
1915,17.4,18.3,19,18.9,18.4,17.7,17.2,17.2,17.3,17.4,16.6,16
1916,16.5,18.1,18.8,19,18.2,17.5,17,17,17,17,16.5,15.9
1917,16.9,18.1,18.7,18.7,18.3,17.5,17.2,17.1,17,16.8,16.3,15.9
1918,16.7,17.8,18.4,18.5,18.2,17.6,17.4,17.2,17.5,17.4,16.6,16.3
1919,17.9,18.6,19.2,18.6,18.4,17.7,17.3,17.6,17.5,17.4,16.4,16.1
1920,16.8,17.5,18.4,18.6,18.1,17.6,17.2,16.7,17,17.2,16.3,15.8
1921,16.6,17.5,18.1,19.3,18.3,17.7,17.2,16.9,17.3,17.4,16.6,16.5
1922,17.2,18.2,18.9,19,18.3,17.9,17.1,17.1,17.2,17.3,16.8,16.2
1923,17.8,17.8,19.1,18.7,18.1,17.6,16.9,16.8,17.2,17.1,16.3,16.1
1924,17.2,18.4,19.3,19,18.3,17.7,17.1,17.2,17.2,17.5,16.6,16.4
1925,16.5,17.7,19.1,19,18.3,17.6,17.2,17.2,17.5,17.5,16.7,16.3
1926,16.8,18.1,18.7,18.8,18.5,17.8,17.2,17.5,17.6,17.4,16.4,16.2
1927,17.4,18,18.9,18.7,18.5,17.8,17.2,17.3,17.3,17.7,16.7,16.7
1928,17.6,18.4,19.3,19.1,18.4,17.8,17.2,17.2,17.5,17.4,16.5,16.3
1929,17.3,18.5,19,19.2,18.3,17.7,16.8,17.1,17.3,17.3,16.6,15.8
1930,16.6,18.3,18.7,18.9,18.4,17.4,17,17.1,17.4,17.3,16.2,16.2
1931,16.9,18.4,18.9,18.9,18.3,17.7,17.1,17.2,17.2,17.4,16.7,16.2
1932,17.1,18.2,18.9,19,18.1,17.7,16.9,17,17.2,17.5,16.7,16.1
1933,17.4,18.6,19.2,18.8,18.5,17.7,17.1,17.2,17.3,17.5,17,16.5
1934,17.2,18,19.1,19.1,18.4,17.6,17,17.2,17.3,17.5,16.7,16
1935,17.3,18.2,19.3,19,18.4,17.6,17.1,17.1,17.3,17.4,16.5,16.3
1936,17.1,18.3,19.2,19.2,18.6,17.7,17.1,17.1,17.3,17.5,16.7,16.3
1937,17,18.3,19.1,19.1,18.4,17.7,17.1,17.2,17.3,17.5,16.6,16.4
1938,17.2,18.4,19,19.7,18.6,17.7,17,17,17.2,17.4,16.7,16.3
1939,17.2,18.3,19.2,19.2,18.6,17.8,17.2,17.3,17.3,17.5,16.7,16.4
1940,18.1,19.1,18.6,19.2,19.2,18.7,17.4,17.6,18.2,18,17.3,17.6
1941,17.2,18.6,19.3,19.7,18.3,17.4,17.3,17.1,17.5,17.5,16.6,15.5
1942,17.1,18.8,19,19.7,17.8,18,16.5,16.5,17.3,17.6,17.2,16.3
1943,16.8,17.1,18.1,18.8,18.2,17.1,16.7,16.6,16.9,16.9,17.1,16.7
1944,17.3,18.9,18.8,19.6,18.7,17.9,16.7,17,16.9,17.5,16.1,16.1
1945,17.3,17.2,18.7,19.7,18.5,17.2,16.8,16.4,16.7,16.9,16.4,15.8
1946,17.6,19.5,19.2,19,19.2,17,17.5,17.3,17.9,18.3,17.3,17.3
1947,18.2,18.8,19.2,18.3,18.9,19.4,17.9,17.8,17.7,18.1,18.3,16.9
1948,18.9,19.2,19,19.1,18.7,16.2,16.6,16.5,17,16.6,15.7,16.1
1949,17.2,18.2,19.5,19.9,17.9,16.8,16.1,16.6,16.2,17.5,16.6,15.6
1950,17,17.4,19.5,19.2,18.9,17.2,16.7,16.3,16.4,16.2,15.9,15.9
1951,18.8,20.2,20,18.1,20,19.3,17.5,17.6,15.2,19.1,18.8,18.2
1952,17.6,18.5,19.8,19.4,20.6,18.9,17.5,17.2,19,18.2,18.9,18.7
1953,19.6,20.1,21.1,20,20.6,18.9,17.3,17.8,17.9,18,19.4,18.2
1954,19.2,20.4,20.7,20.8,20.4,17.9,16.5,16.9,18.2,16.9,18.4,18
1955,18.1,19.4,21,20.4,20.3,18.3,17.4,16.7,18.8,17.6,17,17.5
1956,15.6,17.6,19.6,18.3,18.1,16.8,16.1,16.4,16.2,16.4,15.4,15.6
1957,17.3,17.4,17.4,18.1,17.6,17.1,16.1,16.7,17.6,17.4,17.5,17.3
1958,18,17.5,19.9,19.6,19.4,17.6,16.4,17.4,17.2,17.1,16.7,16.6
1959,17.3,18.2,18.5,20.2,18.6,17.6,17,17.1,17.5,17.6,16.5,16.3
1960,16.4,18,18.2,18.7,17.7,17.8,17.4,17.2,17.4,16.8,16.8,17.8
1961,17.2,18.1,19,19.2,19.1,17.6,16.5,15.6,16.7,16.3,15.1,14.8
1962,15.8,17.2,18.4,18.8,18,16.9,16.8,16.4,17.1,16.5,16.3,15.9
1963,17,18.6,19.6,17.8,17.9,17.6,17.2,16.9,17.2,18.2,17,15.9
1964,16.8,18.1,19.7,19.4,18.1,17,16.2,16.5,16.5,16.6,16.1,15.8
1965,17.1,17.6,19,18.5,18.8,17.9,17.1,16.9,17.4,17.4,16.6,16.6
1966,17.7,18.4,19,18.8,18.8,17.4,17,16.9,17.2,17.5,16.4,16.3
1967,16.8,19,19.2,18.8,17.8,17.4,16.1,16.4,16.3,16.5,16.4,14.9
1968,16.3,17,18.4,18.2,18.3,17.3,16.7,17.1,17.1,17.4,16.4,16.5
1969,17.5,17.2,18.8,19.6,18.7,17.5,16.9,16.8,17.2,17.9,17,16.4
1970,17.4,18.8,18.5,19.3,19,17.7,16.9,16.6,16.9,17.6,15.5,15.7
1971,17.1,18.2,18.6,18.6,17.5,16.7,16.4,16.2,16.8,17.1,16.3,15.2
1972,17.5,17.4,18.7,18.4,18.2,17.3,17.1,17.3,17.5,17.8,17.1,17.1
1973,18.2,19.1,20.8,20.8,18.4,17.8,17.1,16.9,17,17,16.2,14.6
1974,17.1,18.2,18,19,18.1,17.1,16.5,17.1,16.6,17,15.2,16
1975,17,19.2,19.7,19.4,18.4,16.9,16.6,16.5,16.7,17.6,15.9,15.5
1976,16.1,18.9,19.1,18.6,18.4,18.2,16.9,17.3,18.3,16.8,17.4,17.9
1977,18.5,19.2,20,20.8,18.8,17.4,17.1,17.4,17.4,17.9,17,16.6
1978,17.2,18.4,19.4,19.3,18,17.7,17,17.4,17.3,17.8,16.8,16.8
1979,17.4,18.4,18.9,19.1,18.8,18.1,17.6,17.9,18.3,18.3,17.4,17.4
1980,18.3,19.6,20,19.6,19.3,18.2,17.6,17.5,17.3,19.2,18.7,18.3
1981,17.5,18,19,18.8,19,18.5,17.2,17.7,17.5,17.4,16.4,15.7
1982,17.7,18.4,18.7,18.7,18.5,18.1,17.5,17.2,17.7,17.2,17.2,16.7
1983,16.2,18.3,19.9,19.5,19,18.5,18,18.1,17.9,17.9,16.8,15.3
1984,16.2,17.8,19.5,20.3,19.1,17.5,17.2,17.5,17.3,16.6,17.1,15.9
1985,16.7,17.6,19,18.6,18,17.5,16.7,16.8,17.2,17.2,16.5,15.8
1986,16.5,18.7,17.8,18.4,18.6,17.4,17.5,17.5,17.1,17.1,16.6,16.3
1987,16.6,18,18.8,18.9,18.4,17.8,18.3,18,18.4,18.5,17.1,16.7
1988,17.6,19.4,19.4,19.4,18.6,18.3,17.5,17.9,17.6,17.7,15.4,15.3
1989,15.8,17.4,18.8,18.2,18.1,17.3,17.2,17.9,17.5,16.2,16.3,17.3
1990,16.6,18.2,18.4,18.6,18.8,17.8,17.6,17.7,17.7,17.3,17,15.7
1991,18,18.6,19,20,19.3,18.3,17.6,17.4,18.3,17.2,16.2,16.5
1992,16.8,18.6,19.5,20.3,19.2,18.2,17.6,17.5,17.3,17.6,16.2,15.9
1993,17.2,17.9,18.8,19.2,18.6,17.6,17.5,17.7,17.6,17.7,17.1,14.7
1994,16.8,18.6,19.9,19.3,18.8,18.6,17.3,17.8,17.5,17,16.8,15.7
1995,16.8,19.1,19.6,19.8,19.4,18.5,17.8,18.2,17.9,18.1,17.2,17.2
1996,18.5,19.2,19.6,19.4,18.9,18,17.8,17.9,18,17.6,16.6,15.9
1997,17.8,17.8,19.8,19.2,19,18.6,18.1,18.7,18.8,18.4,16.9,16.9
1998,18.7,19.6,19.8,20.6,18.4,18.3,18.4,18.3,18.4,18.4,15.7,14.6
1999,16.8,17.8,19.4,19.9,18.9,18.5,17.7,16,16.9,17.6,15.5,15.5
2000,16.4,17.4,19.4,19.9,19,17.9,18,17.7,18,17.3,20,16.1
2001,18,18.4,19.2,19.7,18.7,18,17.7,18,18.4,18.6,16.9,16.7
2002,17.5,19.3,19.7,19.9,19.4,18.3,18.5,18.3,18,18.2,17.3,18
2003,17.5,18.7,19.6,19.5,19.7,19.1,17.9,18.4,18.2,18,17.1,16.2
2004,18.5,18.5,19.5,20.1,19.6,18.2,18.1,18.3,18.3,17.6,17.1,17.3
2005,17,18.7,19.9,20.1,19.1,18.5,18.2,18.7,18.4,18.1,15.9,15
2006,17.4,19.4,20.1,19.7,19,18.5,18.3,18,18,19,17.5,17.8
2007,18.2,18.6,19,19.9,19.8,18.7,18.4,18.1,18.3,17.8,17.2,15.6
2008,17.9,19.2,18.4,19.8,19.2,18.4,17.7,17.9,18,18,17.2,15.9
2009,17.2,18.4,19.2,20,19.2,19.4,18.3,18.2,18.6,18.2,17.3,17.7
