1901,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1902,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1903,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1904,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1905,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1906,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1907,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1908,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1909,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1910,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1911,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1912,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1913,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1914,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1915,19.2,19.2,19,17.9,18.3,17.3,17.1,19.3,17.7,18.7,18.5,18.9
1916,19.4,19.2,18.9,18.6,18.1,17,16.7,18.1,17.6,17.6,17.9,18
1917,18.7,18.2,18.8,17.9,17.3,16.1,16.3,18,17.1,17.6,17.9,18.2
1918,19,18.9,18,17.4,16.4,15.9,16.2,18.5,17.2,18,17.9,18.3
1919,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1920,19.2,19.2,19,17.9,17.4,16.6,16.2,18.2,17.1,17.6,18,18.3
1921,19.3,19,18.1,17.3,16.7,16.1,16.1,17.7,17,16.9,17.7,18.1
1922,19.1,18.8,18.3,17.8,17,15.8,15.7,18,16.9,17.2,17.3,17.8
1923,18.5,18.8,18.7,17.5,16.8,16.6,15.3,17.9,17.3,17.2,18.1,17.9
1924,19.9,19.2,19.6,18.3,17.7,16.1,15.7,18.2,16.2,17,17.4,17.9
1925,18.3,18.1,17.9,17.5,17.4,16.2,15.9,17.8,17,17.9,17.7,18.4
1926,19.5,19.6,19.6,18.8,18,17.2,16.2,18.1,16.9,17.6,18.1,17.8
1927,18.7,18.7,18.8,17.5,17.1,16.3,15.4,18.3,17,17.3,18.3,18.5
1928,19.1,19.4,18.6,18,17.3,16.4,16,18,17,17.5,17.9,17.9
1929,19.3,19.3,18.7,17.9,17.1,16.3,15.5,18.2,17.2,17.7,18.1,18.5
1930,19.5,19,19.8,18,17.1,16.5,16.2,18.1,17.4,17.2,18.4,18.9
1931,19.7,19.6,19.7,18.8,17.5,16.6,15.5,18.3,16.9,18,18.3,18
1932,18.6,18.9,18.6,18.5,16.5,16,15.9,17.8,16.8,16.7,17.9,18.1
1933,18.8,18.8,18.7,17.8,17.1,16.1,16.2,18.4,18,17.2,17.2,17.5
1934,18.9,18.7,18.5,18.6,17.3,16.5,15.8,18.8,17.9,17.2,17.9,18.6
1935,19.2,18.6,19.1,18.3,17,16.6,16.5,18.1,17.6,17.5,18,18.6
1936,19.4,20.4,19.6,19.1,17.9,16.8,16.3,18.9,18.1,17.8,18.6,18.7
1937,19.3,19.2,19.6,19,17.9,16.6,16.3,18.3,17.4,18.3,18.6,19.2
1938,19.3,19.3,18.4,17.4,17,16.5,16.3,17.7,17.6,17.8,18.1,18.4
1939,19.5,18.5,18.6,18,17.9,16.3,16.8,18.5,17.3,18,18.2,19.1
1940,17.1,18.2,18.4,18.5,18.5,17.1,17.1,18.8,18.1,18.6,18.8,16.6
1941,18.5,18.7,19.8,18.2,18.5,16.9,16.7,19.5,19,18.9,20.1,20.1
1942,20.5,19.7,18.6,17.7,17,16.3,16.5,18.2,18.7,17.4,17.8,18.3
1943,18.8,18.2,17.6,17.3,16.6,16.1,16.8,17.5,17.8,17.7,18.5,18
1944,18.2,18.8,18.1,17.4,16.5,16,16.2,18.2,17.4,18.1,18.2,18.8
1945,18,18.2,18.6,15.9,15.6,15.5,15.4,17.7,16.9,17.5,17.5,18.9
1946,19,19,18.9,16.6,16.8,15.9,15.1,17.2,17,17.6,18.2,18.5
1947,20.1,20.1,20.7,18.7,17.7,16.2,15.2,17.7,17.4,17.4,19,19.9
1948,20.2,19.2,19.4,17,17.2,15.9,16.1,18,17.9,18.3,18.8,19.6
1949,19.9,19.2,19.2,18.3,18.1,16.5,16.2,18.7,17.6,17.8,18.6,19.4
1950,19,18.2,18.6,18.3,17.4,15.7,15.4,17.6,17.2,17.1,18.6,18.9
1951,18.7,16.9,18.5,18,17.4,16.6,15.8,18.9,18.1,18.3,18.5,19.1
1952,19.9,20.1,20.6,17.6,17.3,16.7,16.8,18.9,18.8,18.9,18.4,19.2
1953,19.4,19.9,19.5,19.4,17.9,17.5,17.2,19,18.6,18.7,19.5,19.4
1954,19.5,19.9,20.4,17.3,17.6,15.9,15,17,17.7,17.3,18.2,17.9
1955,19.8,20.1,18.6,18,18.5,17.6,16,19.1,17.6,17.5,19,18.6
1956,16.6,17.8,17.9,18.4,17.3,17.7,16,18.4,17.6,17.7,18.8,18.3
1957,20,20.3,20.2,18.9,18.1,17.2,17.2,19.1,19,18.4,19.2,19.6
1958,21.6,22,22.8,19.3,18.9,17.7,16.9,19.2,19.5,19.8,19.6,20
1959,21.6,21.4,21.6,19.8,18.6,18.1,17.2,19.1,18.1,18.9,19.2,20.6
1960,21.5,21.1,21.1,19.5,18.8,18.7,17.6,19.4,18,19.2,19.8,19.1
1961,20,20.3,21,19.7,19.8,17.3,17.3,19.4,18.6,18.9,18.6,19.8
1962,20.5,21.1,19.9,19.3,18,17.3,16.9,19,18.5,19.1,19.2,19.4
1963,19.9,19.4,20,18.6,17.6,17.3,16.8,19.3,18.6,18.9,18.5,19.7
1964,20.3,20.6,19.9,17.6,17.7,15.5,15.5,17.7,16.6,17.3,17.9,17
1965,17.5,18.6,19.9,17.6,16.7,17.3,16.3,18.4,17.4,18.1,17.9,18.9
1966,20,19.4,19.2,18.5,18,16.6,15.9,18,16.9,17.3,17.4,17.5
1967,18.1,18.1,17.8,16.5,17.2,15.5,15.4,18.5,16.7,17.9,18.3,18.5
1968,18.6,18.5,18.3,16.7,16.2,15.3,16.6,18.1,16.6,17.5,17.5,18.5
1969,18.4,19.3,19,18.6,18,18.3,16.8,18.4,17.7,17.3,18,18.2
1970,19.9,19.7,19.9,18.7,18.2,17.3,16,17.8,16.2,17.7,17.3,18.6
1971,18.5,17.1,17.5,17.4,16.2,15.9,16.1,17.8,16.1,16.9,17.6,17.8
1972,18,18.6,18.1,18.5,17,16.1,15.8,17.8,18.3,18.1,18.3,19
1973,20,20,19.8,18.4,17.6,16.1,15.6,17.9,16.3,17,18.3,16.6
1974,17.4,18.8,17.7,16.6,16.6,16.7,15.7,17.9,16.4,16.9,17.4,17.8
1975,19.7,19.2,18.2,18.6,17.5,16.9,16,17.8,17,17.1,17.4,16.9
1976,18.3,17.3,17.4,16.6,16.9,15.4,15.4,17.9,17.3,16.9,17.5,18.2
1977,19.4,19.5,19.2,17.8,16.6,16.2,16.2,17.8,17.1,17.5,17.8,18.7
1978,19.3,20,19,17,17.5,16,16.3,17.2,16.9,17.5,18.3,18.4
1979,19.3,19.2,18.2,17.8,17.1,15.7,16.4,18,16.8,17.4,18,18.4
1980,19.6,19.5,20.1,18.4,17.6,17,16.7,18.2,17.5,17.9,17.9,18.4
1981,19.5,19.4,19.5,17.2,16.9,16.5,16,17.9,16.6,17.4,18.6,18.8
1982,18.9,18.8,18.6,16.7,16.7,16.9,16.3,18.2,17.8,17.6,18.3,18.4
1983,20.6,21.2,20.5,18.1,17.9,17.2,16.9,18.3,17.8,17.4,18.9,18.2
1984,18.4,18.7,18.9,18.1,17.2,16.3,15.7,17.8,16.2,17.3,17.6,17.9
1985,18.7,19.4,18.7,17.8,17,16.2,16.3,17.8,17.1,17.3,17,18.1
1986,19.5,18.4,18.5,17.6,17.4,16.2,16.3,18.4,17,17.1,17.6,18.6
1987,20,20.5,19.8,19,17.8,17.6,16.7,18.5,17.3,17.7,18.6,19.3
1988,20.1,19.9,20,18.6,18.2,16.6,16,17.8,16.7,17.3,17.4,17.7
1989,18.6,18.6,17.3,17.6,16.5,16.5,15.6,17.9,16.3,17.9,17.4,17.5
1990,18.4,18,18.5,17.3,16.6,16.9,16.1,18.2,17.5,17.1,18,18
1991,19.7,20.2,19.2,18.5,18.1,17.3,16.1,17.5,17.7,17.9,18.4,18.7
1992,20.3,20.1,21,19.2,18.5,17.5,15.6,18.4,17.6,18.3,18.5,18.6
1993,19.5,19.5,19.8,18.9,17.6,17.4,16.6,19.2,17.6,18.6,18.6,19.5
1994,19.6,19.9,19.2,18.2,17.4,17.4,16.2,18.3,17.7,17.2,18.1,18.5
1995,19.9,20.1,19.4,18.6,18,17.4,16.6,17.9,18.1,17.8,18.6,18.6
1996,19.1,18.4,18.3,16.9,17.1,16.6,15.5,17.2,17.5,16.9,15.8,17.5
1997,18,18.1,18.4,17.4,17,16.1,17.3,19.2,16.1,16.6,17.5,17
1998,19.9,20.6,18,18.6,17.4,15.9,15.1,17.4,17.7,17.3,17.2,16.2
1999,17.6,17.6,18.6,18.3,17.7,16.8,16.6,18.3,16.8,17.8,18.7,18.5
2000,18.7,18.5,18.4,18.2,17.6,16.9,16.3,18.5,16.9,18.1,18.2,18.9
2001,19.5,19.4,19.6,18.4,18.1,16.9,16.7,18.6,17.6,18.5,18.9,19.8
2002,20,20.1,19.4,18,18.4,17.1,17.2,18.2,17.9,17.1,16.6,17.8
2003,18.5,21.1,19,18,18.8,15.2,14.9,18.2,16.4,17,15.6,17.8
2004,18.2,17.9,18.7,16.6,17.6,16.8,16.2,17.8,16.3,18.6,16.4,15.8
2005,17.1,19,19.3,17.7,18,16.3,17.4,19.1,18,15.9,16.2,15.6
2006,17.1,19.8,16.8,16.2,15.6,16.1,15.6,18.4,18.3,16.9,18.2,16.8
2007,17.8,18.1,18.8,17.5,16.7,15.9,16.7,18,17.3,15.5,18.3,15.4
2008,19.2,19.1,19.1,18.1,17.1,16.4,16.1,17.9,17.2,17,17.2,16.6
2009,18.9,18.8,17.5,18.1,17.9,17.2,16.6,19.2,18.2,18.7,18.5,19.8
