1901,16.7,16.5,12,19.5,19.9,20,20.2,20,19.8,18.8,18,16.6
1902,16.5,16.9,12.6,19.7,20.2,20.2,20.3,20.2,19.8,18.9,18.4,17.4
1903,16.4,16.5,12.7,20,19.9,19.9,20.2,19.9,19.4,18.6,17.3,15.4
1904,15.4,16.7,11.7,19.1,19.6,19.9,20.1,20.1,19.9,18.9,17.7,16
1905,17.4,16.7,11.5,19.4,20,20.1,20.4,20.3,19.9,18.9,18.3,18.2
1906,16.9,17.6,11.9,19.8,20.3,20.5,20.5,20.6,20.2,18.7,17.5,16.9
1907,16.5,16.8,11.7,19.1,19.6,19.8,20.3,20,19.9,19.1,18.4,15.9
1908,16.6,16.6,11.5,19.1,19.7,19.9,20.3,20.1,19.9,18.9,17.7,16.7
1909,16.5,17.1,11.9,19.4,19.4,20.2,20.2,20.3,20.1,19.1,17.9,16.4
1910,16.9,16.6,11.6,19.2,20.1,20.1,20.3,20.2,19.5,18.6,17.9,15.7
1911,16.1,16.4,11.8,19.5,19.9,20.1,20.4,20.5,20.2,19,18.8,17.7
1912,16.8,17.1,13.2,19.9,21.2,20.9,20.2,19.8,19.7,18.6,17.2,16.6
1913,16.1,17,12.4,19.8,19.3,19.9,19.8,19.8,19.8,18.6,17.4,16.7
1914,15.6,16.8,12.3,20.1,21,20,20.2,20.1,19.6,18.5,18.3,17.4
1915,16.5,17.7,12.5,20,20.4,20.7,20.5,20.5,19.6,18.7,17.5,15.5
1916,15.5,16.6,12.4,19.6,19.8,19.6,20.2,20.1,19.4,18.3,17,15.9
1917,16.2,16.4,11.3,19.9,19.9,19.7,19.8,19.7,19.3,18.1,17.3,15.9
1918,14.3,15.1,11.2,18.7,19.5,19.9,20.7,20.1,20,18.8,18.4,17.3
1919,16.7,17.2,13,20.1,20.5,19.9,20.1,19.8,19.6,18.6,17.6,17
1920,15.2,16.8,12.3,19.6,20.4,20.2,20.2,20.5,19.8,18.4,18.3,17
1921,15.9,16.4,12.2,19.2,19.7,19.9,19.8,19.8,19.3,18.4,17.1,16.4
1922,16.7,17,11.4,19.6,20,20,19.6,19.9,20.1,18.5,17.4,16.3
1923,15.8,16,11.4,18.8,19.1,19.3,19.5,19.3,19.4,18.3,18,16.9
1924,16.5,16.9,12.1,19.3,20.1,19.9,19.5,20,20.3,18.7,18.1,15.4
1925,16.6,16.1,11.8,18.7,20,19.7,20.1,20.1,19.7,18.1,17.8,15.5
1926,16.3,17.1,12,20.4,20.9,20.3,20.3,19.8,19.8,18.4,17.8,16.8
1927,16.2,16.9,12.6,19.1,19.5,19.8,20,19.8,19.8,18.3,18.1,16.8
1928,18.2,16.5,13.1,19.6,20.4,20.1,20.6,20.4,19.8,17.8,17.6,18.1
1929,17.7,17.3,11.8,19.4,21.3,20.5,20.3,20.1,19.8,18.8,17.5,17.6
1930,14.6,17,11.4,20.9,20.3,20.5,20.5,20.5,19.6,18.8,18.6,17.7
1931,17.6,18.4,13.2,21.1,20.7,20.9,20.5,20.5,19.7,17.6,17.7,17
1932,16,16.2,10.9,19.6,20.7,20.2,19.9,20.1,19.1,18.4,17.7,16.4
1933,14.8,17.7,11.5,20,20.4,20.8,20.2,20.3,19.6,18.2,17.1,17
1934,15,15.9,10.9,18.4,19.9,20,19.8,20.1,19.9,17.4,18.2,16.9
1935,17.2,17.8,13.1,20.1,19.7,20.4,20.5,20,19.5,19,18.7,16.5
1936,16.2,17.4,10.5,20.2,19.9,20.2,20.3,19.7,19.6,17.7,18.1,17.6
1937,17.2,17.2,13.6,20.2,20.2,20.3,20.3,20.2,19.6,18.6,18,17.3
1938,16.5,16.9,10.7,19,19.7,20.5,19.9,19.3,19.6,18.8,17.9,17.3
1939,16.4,16.4,11.6,19.3,19.7,20.1,20.9,20.4,19.9,19,18.7,14.9
1940,14.8,16.5,12.1,18.9,19.9,20.2,20.4,19.6,20,18.9,18.5,17.7
1941,18.8,18.3,12.3,19.9,20.4,20.3,20.8,20.5,19.9,19.1,18.5,17.3
1942,16.2,16.9,12.5,19.3,19.9,20.2,20.2,19.7,19.5,18.7,17.7,16.8
1943,15.6,16.5,11.9,18.9,19.9,19.8,20.3,20,19.9,18.9,18,16.3
1944,16.6,17,11.9,19.6,19.8,19.9,20.2,20.1,20,18.9,18.2,16
1945,16.2,16.7,11.7,19.1,19.5,19.7,20.4,20.1,19.7,18.4,18.4,16.8
1946,15.4,16.2,12.1,19,19.5,19.9,19.9,19.8,19.7,18.2,18.2,16.8
1947,18.4,16.6,11.7,18.4,19.7,19.8,20.1,20,19.7,18.2,17.4,16.3
1948,15.8,17,12,19.2,19.8,20,20.2,20,19.7,18.8,15.9,17
1949,15.5,16.3,11.7,19,19.9,19.8,20.3,19.9,19.8,18.7,17.7,17.1
1950,17.6,17,12.4,19,19.9,20,20.4,20.1,19.9,19.4,18.5,15.9
1951,16.3,17,11.6,20,20.1,20.1,20,20.5,20.2,19.3,19.1,17.4
1952,16.8,17.7,12.8,19.5,20.6,20.3,20.6,19.9,19.6,18.7,18.1,15.6
1953,16.7,17.1,12.4,19,19.5,20,20.1,20.2,19.9,19,18.5,17.5
1954,18.2,16.5,11,19.7,19.9,20.4,20.5,20.4,19.4,18.2,17.4,16.1
1955,14.9,16.7,12.1,18.5,19.8,19.6,20.1,19.5,19.6,18.7,17.9,15.9
1956,15.1,17.2,12.1,19.6,19.9,19.5,20,19.7,20,18.1,17.2,16.1
1957,15.7,15.5,11.3,19,19.5,19.3,20.2,20.1,20,18.6,18.1,17.5
1958,16.7,16.4,13.1,20.2,20.6,20.2,20.5,19.6,19.5,18.1,16.8,16
1959,15.5,17.7,10.7,19.1,19.6,20.7,20.1,19.9,19.3,18.3,18.1,17.9
1960,16.6,16.4,12.9,19.3,19.6,20,20.1,20.5,19.7,18.8,18.8,16.6
1961,15.1,16.5,12.3,19.1,19.6,19.8,20.2,20.1,19.3,18.3,18,17.3
1962,15.3,15.7,11.6,19.1,19.5,19.6,20.4,19.8,19.8,18.6,17.4,16.3
1963,12.9,15.1,10.7,19.1,19.8,19.2,19.9,20.1,19.9,18.7,18.8,16.2
1964,17.5,16,11.6,19.9,19,19.8,20.7,20.1,19.6,19,17.3,16
1965,14.9,17.3,10.9,18.6,19.4,19.5,20,19.7,19,19,18.7,17.9
1966,18,18.2,12.8,19.5,19.5,20.1,20.4,19.9,19.6,19.4,18.2,18.2
1967,15.8,16,12,19,20.1,20.6,20,20.6,19.4,17.9,18.4,15.5
1968,16.3,15.9,11.6,18.9,19.6,19.8,20.6,20,19.9,18.5,18.5,17.9
1969,18.2,17,12.6,19.8,19.9,20,20.1,20.1,20.2,18.6,17,15.4
1970,16.4,16.7,12,18.7,19.3,19.9,19.8,18.7,19,17.8,17.6,17.2
1971,14.6,15.1,10.7,18.6,20.4,19.4,20.4,19.9,20,18.4,16.8,16.9
1972,15.1,17.4,11.2,18,20.2,20.2,20.5,19.4,19.7,19.8,18.9,17.8
1973,16.8,18.2,13.2,20.5,20.2,20.7,20.7,20.4,19.8,18.8,17.4,15.9
1974,15.8,15.6,10.5,18.8,19.6,19.9,20.3,20,19.8,18.5,17.8,16.6
1975,17.1,17.2,12,19.5,19.8,19.8,20.4,20,20.2,18.8,17.3,15.4
1976,15.1,17.3,11.4,19.3,20.1,19.9,20.5,19.9,19.7,18.6,16.8,16.9
1977,16.2,15.5,11.3,19.1,19.7,20.6,20.4,20.1,19.9,18.7,17.9,17.4
1978,17.7,17,13.1,19,19.5,19.8,20,19.6,19.7,18.1,18.3,17.4
1979,17.9,18.2,13.4,19.5,19.6,20.5,20.7,20.4,19.7,18.3,18.2,17.5
1980,17.3,17.5,13.6,20.1,20.3,20.2,20.8,20.4,19.8,19,18.6,17.3
1981,16.1,17.6,12.5,19.4,19.8,19.9,20.2,21,21.1,19.1,18.4,16.2
1982,15.9,17.5,12.7,18.8,20,19.7,20.4,19.9,19.6,19.1,19.3,15.9
1983,16.4,18.1,12.9,21.8,21.7,20.4,21.2,20.9,20.7,19.2,17.3,16.5
1984,15.8,16.6,11.6,20.2,19.7,19.6,20,19.9,19.1,18.4,18,16.9
1985,16.4,18,11.4,18.6,19.3,19.7,19.4,19.9,19.4,18.7,18.9,16.9
1986,15.8,17.1,11.6,19.4,19.6,20,20,19.7,19.7,18.7,17.8,16.7
1987,16.5,17.1,12.9,19.8,20,20.3,20.3,20.7,19.8,19.6,19,15.5
1988,17.6,17.6,12.2,18.7,19.8,19.7,20.3,20.1,20.1,18,17.2,16
1989,17.4,16.4,11.5,19.7,19.9,19.6,20.6,20.3,20.2,18.9,17.8,16.4
1990,17.2,17.7,11.6,19.6,19.6,20.2,20.1,20.6,20.1,18.7,18.4,17.2
1991,17.9,17.7,13.6,20.8,20.9,20.3,20.7,20.2,20.4,18.4,17.7,17.4
1992,16,17.3,13.4,21.2,20.7,20.5,20,20.3,20,18,17.5,17.5
1993,16.3,16.9,12.2,19.7,20.1,20.7,20.2,20.1,19.9,19,18.3,17
1994,17.2,18.2,11.4,19.9,20.6,19.8,20.5,20.2,20.3,18.3,18.2,18.4
1995,16.8,16.5,11.9,20.5,20.2,20.4,20.3,20.8,20.4,18.9,18.4,16.8
1996,17.2,16,11.7,18.9,19.1,20,20.4,20.4,20,18.9,18.8,16.7
1997,16.4,17.1,11.8,18.6,19.9,20.2,20.4,20.2,20.4,19.6,19,18.3
1998,18.2,18.9,13.4,20.2,20.7,20.5,20.6,20.1,20.5,19.6,19.2,17.8
1999,17.5,17.4,12.4,19.5,19.3,19.6,20.5,20.6,20.2,19.1,18.1,15.8
2000,17.6,16.9,12.4,19.2,19.5,19.4,20.4,20.9,20,19.3,17.9,18.6
2001,18.6,17.8,11.8,20.8,20.1,19.4,20.6,20.4,20.6,19.4,17.3,17.2
2002,17,17.4,12.6,19.7,19.3,19.9,20.6,20,19.6,18.8,18.8,18.7
2003,16.6,17.5,12,20,20.3,19.7,20.1,20.4,19.8,19.1,18.6,16.6
2004,17.4,17.2,12.5,19.8,21,19.9,20.8,20.8,20.1,19,19,17.2
2005,17.7,19.3,12,20.3,20,21,20.6,20.4,21.1,17.1,19.1,17.6
2006,17.9,18.1,12,19.6,20,20.2,21.1,20.3,20.6,19.3,19,18.1
2007,17.8,18.6,13.1,19.4,19.9,19.1,20.7,19.8,20.4,19,17.8,18.4
2008,17.7,15.6,11.4,19.7,19.6,20,20.9,20.1,20.4,19.5,18.5,17.4
2009,16.5,18.7,12.2,19.7,20.4,20.6,20.5,20.9,20.3,19.6,18.5,17.9
