1901,15.8,19.7,20.8,21,20.8,21,20.5,20.4,20.8,20.5,20,17.7
1902,17.5,19.3,20.6,21.3,21.3,21.4,20.6,20.6,20.4,20.5,19.7,17.7
1903,16.9,19.8,21.5,21.3,21.4,21.1,20.4,20,20.6,20.3,19.9,18
1904,16.4,19.6,20.8,20.9,21.1,21.2,20.1,20.4,20.6,20.3,20,17.8
1905,16.5,19.1,20.7,21.3,21.4,20.6,20.3,20.2,20.2,20.5,19.8,17.7
1906,16.1,20.3,21.8,22.1,21.1,21,19.9,20.2,20.2,20.1,19.8,17.4
1907,17.2,19.1,21,21,21.5,20.9,20.8,20.4,20.6,20.6,19.7,17.5
1908,17.1,19.7,20.9,21.6,20.8,21,20.2,20,20.3,20.1,19.6,17.5
1909,16.5,20.1,21.5,21.1,20.8,20.3,19.8,19.8,20.7,20.2,19.6,17.5
1910,15.3,20.1,21.2,21.6,21.3,21.9,20.4,20.4,20.5,20.2,19.8,18
1911,17,19.8,21.2,21.5,20.9,20.3,20.2,19.9,20.6,20.4,19.2,17
1912,17.6,20,21.5,21.8,21.8,21.3,20.6,20.5,20.3,20.2,19.3,17.8
1913,17.8,19.8,20.2,21.2,21.5,22.2,20.9,20.9,20.7,20.1,19.2,17
1914,17.3,19.5,20.6,21.1,21.7,21.8,20.1,20.2,20.1,20.2,19.5,17.2
1915,16.3,19.5,21.5,21.4,21.1,21,20.4,20.4,20.6,20.5,19.8,17.7
1916,16.3,19.2,21.2,21,21.1,20.8,20.2,20.1,20.2,20,19.3,17.4
1917,16.9,19.2,20.6,21,20.6,20.6,20.6,20.2,19.9,19.9,18.8,17.2
1918,15.9,19.3,20.5,20.7,20.8,20.6,19.9,19.5,20.3,20.2,19.6,17.3
1919,16.7,19.9,20.5,20.5,20.4,20.4,19.6,20,20,20,20.1,17.8
1920,16.6,19.8,20.6,20.8,20.9,20.9,19.9,20,20.3,20.1,19.4,17.7
1921,16.8,19.6,20.8,20.5,20.2,20,20.2,20.2,20.5,20.6,19.6,17.3
1922,16.7,19.9,21.4,20.7,21.1,21,20.4,19.7,20,19.5,19.2,17
1923,16.7,18.7,20.6,20.3,20.6,20.9,20.9,19.9,20.4,19.9,19.5,18
1924,16.7,20.1,21.4,20.2,20.6,20.3,19.9,19.9,20.8,19.8,19.1,16.1
1925,14.2,18.7,20.1,21.7,22.3,21.7,20.1,19.7,19.4,19.4,17.8,15.9
1926,16.2,20.7,21.7,21.7,20.9,19.3,19,20.6,20.9,20.5,19.2,17.7
1927,15.1,19.4,19.6,20.8,20.3,19.7,19.6,19.9,20.8,19.3,18.7,16.6
1928,15.9,18.5,20.1,19.2,19.6,20.4,20,19.1,19.7,18.6,18.7,17.2
1929,15.1,17.6,20.4,21.2,20.6,19.4,19.6,19.3,19.8,19.6,18.9,16.3
1930,15,17.8,19.6,20.4,21.1,19.5,19.7,19.2,20,19.4,18.7,17.8
1931,16.5,18.9,21.1,20.9,20.6,20.7,20,19.9,19.6,20,19.1,17.6
1932,15.1,19.1,21.1,20.8,21,21,19.6,20.3,20.6,20.3,19.3,16.1
1933,16.4,17.9,19.4,20.7,21.3,20.3,20.6,20.9,20.4,19.8,19.4,18.2
1934,14.7,18.1,20.4,21.4,20.9,20.6,20.4,21,21.4,20.1,19.9,17
1935,15.7,18.3,20.5,20.9,20.4,20.1,19.6,19.8,20.3,19.6,18.8,17.5
1936,16.1,20.2,21.2,20.3,20.3,20.3,19.7,19.7,20.2,20.2,20,17.6
1937,16.3,19.5,21.1,21.6,21.3,21.3,20,20.3,20.2,20,20,17.7
1938,16.9,19.6,21,21.4,21.3,21.3,20.3,19.8,20.4,20.9,20.1,18.4
1939,17.1,18.7,21.1,20.7,21.1,21.2,20.7,20.4,20.5,20.4,19.8,17.8
1940,16.4,19,20.5,21.1,21.4,21.2,20.4,20.4,20.8,20.2,19.4,17.1
1941,17.6,19.5,21.3,21.6,21.8,21.1,20.3,20.7,20.7,20.9,20.3,17.8
1942,15.8,19.3,21.2,21.8,21.2,20.8,20.2,19.4,21,20.5,20.2,16.7
1943,15.7,18.7,21.3,21.4,21.4,20.7,20.2,19.7,20.5,20.2,19.2,17.2
1944,16,19.2,20.5,21.7,21.7,21,20.8,20.7,20.3,20.2,20.1,18
1945,17.4,19.3,21.3,21.7,21.3,21.6,20.5,20.3,20.4,20.2,19.9,17.4
1946,16.7,18.9,21.6,21.2,21.4,20.7,20.1,19.9,19.8,20,20.2,17.6
1947,16.6,19.8,21.1,21.8,22.1,20.9,20.8,20.4,20.3,20.1,19.1,17.6
1948,15.4,18.9,21.1,20.9,21.4,20.7,20.3,20.5,20.3,20.3,19.5,17.9
1949,16.5,18.4,21.1,21.6,21.6,20.9,20.8,20.5,20.8,20.3,19.7,17.7
1950,16.6,18.5,20.8,21.9,21.3,20.7,20.3,20,20,19.4,19.7,17.7
1951,17.1,18.8,20.5,20.9,20.8,20.6,20.1,19.6,20.5,20.3,19.9,18.6
1952,18.1,20,20.5,20.4,20.4,20.3,19.2,18.9,20.2,20,19.5,18.3
1953,18.1,19.6,20,20.9,20.7,19.9,19.8,19,20.3,20.1,19.6,18.9
1954,18.1,20.3,20.4,20.1,20.4,20,19.6,19.1,20.6,19.7,20,18.3
1955,17.6,19.9,21.2,21.7,20.9,20.9,20.1,20.2,21,20.3,19.9,17.5
1956,16.8,20.1,20.6,21.4,20.8,20.7,19.1,19.7,20.8,19.9,19.6,18
1957,15.5,19.4,20.8,21.2,21.3,21.5,20.6,20.8,21.1,20.7,20.4,18.6
1958,18.2,19.2,21.1,21.4,21.6,20.7,19.5,20,20.9,21,21.6,18
1959,16.7,20,21.1,21.5,20.9,21.2,20.2,20.4,20.5,20.4,20,17.1
1960,17.1,19.6,20.4,20,21.1,20.7,20.4,20.6,21.2,20.9,20.3,18.9
1961,16,18.9,21.9,21.3,21.5,20.8,20,19.1,20.7,20.4,19.6,17.6
1962,17.2,19.1,20.5,20.8,20.9,20.2,20.8,20.3,20.5,20.6,20.6,17.4
1963,16.9,19.5,20.2,21.6,20.9,21.2,20.9,20.9,21.5,20.8,19.5,17.2
1964,16.5,19.4,21.1,21.7,21,20.9,20.2,19.7,20.5,20.1,20,18.7
1965,16.4,20.1,21.3,21.1,20.9,20.9,20.2,19.9,20.6,21,20.3,17.7
1966,17.1,19.7,21.5,21.7,21.5,21.1,21.3,20.9,20.7,20.4,20.2,17.9
1967,15,19.6,21.1,21.2,21.2,20.7,19.8,20.5,20.6,20.3,19.9,18.1
1968,16.4,19.7,20.8,21,20.5,21.1,21.2,21.5,20.9,20.1,19.6,18.1
1969,17.8,20.3,20.9,21.4,21.9,21.3,20.6,20.5,21.4,20.5,19.4,18
1970,18.3,20.3,21.6,21.8,21.4,21.4,20.5,21.2,20.4,20.6,19.8,17.4
1971,15.4,19.2,20.1,20,20.2,20.3,19.3,19.4,19.9,19.2,19,16.3
1972,16.5,18.1,20,20.6,20.5,20.4,20.8,20.1,20.2,19.7,19.3,17.5
1973,15.9,19.5,20.9,21,20.9,20.4,20.3,20.4,20.3,19.8,18.6,16.5
1974,14.9,18.5,20.3,20.4,20.6,20.8,19.7,19.9,19.9,19.4,18.6,16.6
1975,14.3,18.5,20.5,20.6,20.4,20.2,19.7,20,19.8,19.5,18.7,17.3
1976,15.3,18,19.7,20.4,20.1,20.1,19.7,19.4,20.2,19.2,18.9,16.1
1977,17,18.9,20.3,20.8,20.4,20.5,19.6,20.1,20.3,20.2,18.8,16.4
1978,17.5,20.3,20.6,20.6,20.5,20.2,19.4,19.7,19.7,20,19.1,17.6
1979,17.6,19,20.7,21.2,21.1,20.7,20.5,20.6,20.3,20.3,20,16.7
1980,17.7,19.7,20.5,21.3,20.6,21,20.2,20.1,20.4,20.3,19.9,17.2
1981,14.5,19.9,20.9,21.1,20.9,21.2,20.4,20.3,21.1,20.1,19.4,17.7
1982,14.4,19.2,18.2,20.8,20.9,20.7,20.2,19.9,20.8,19.9,19.3,16.3
1983,14.7,19.2,21.8,21.7,21.2,21.1,20.3,20.3,20.6,20,19.5,17.4
1984,16.4,19.1,21.3,21.1,20.8,20.7,19.8,20.5,20.8,20.1,19.7,17.5
1985,16.5,18.9,21.2,21,20.8,20.2,19.5,20.5,18.9,20.4,20.1,16.8
1986,14.9,19.5,20.6,21.2,20.9,20.5,19.6,19.9,20.2,19.8,18.9,15.5
1987,17.2,19.6,21.3,22.2,21.7,21.4,21.3,21.3,21.1,20.7,20.3,18.2
1988,15.8,19.7,22.7,21.4,21.3,21.1,20.5,20.2,20.9,20.8,19.7,15.5
1989,15.6,18.3,20.5,20.8,21.2,20.7,20.2,20.4,20.3,20.2,20.9,18.6
1990,16.3,18.3,20.3,21.2,21.3,21.1,19.8,20.8,20.7,20.3,20.2,18
1991,16.4,19.4,18.9,21,21,21.6,20.5,20.6,20.9,20,20,18
1992,15.6,19.5,21.1,21.2,21,20.8,20.1,21.9,20.1,20.3,19.6,18.8
1993,15.8,19.8,20.2,21.1,20.3,21.2,20.3,20.6,20.4,20.6,21,18.2
1994,16.6,19,20.9,21.2,21,21.1,20.4,20.7,20.8,20.6,20,16.9
1995,14.4,19.3,21.1,21.1,21.3,21.2,20.6,20.8,20.7,20.1,20.4,17.9
1996,18,19.3,20.7,21.6,21.3,21.1,20.4,20.5,20.6,20.3,19.6,18.6
1997,17,18,20.6,21.6,21.2,20.7,20.6,20.8,21.2,21.2,20.5,18.5
1998,16.3,20.2,22.8,22.3,22.3,21.7,21.2,20.4,21.1,20.7,20.8,18.6
1999,16.1,18.4,20.5,21.4,20.9,21,20.7,20.5,20.6,19.9,20.4,17.4
2000,17.1,18.1,21.1,21,21.2,20.9,20.1,20.3,20.5,20.3,20.1,17.6
2001,15.3,18.6,21.3,21,21.2,21.1,20,20.5,20.6,20.7,20.6,17.6
2002,16.1,19.2,21.5,21.3,21.9,21.1,21,20.7,20.9,20,19.6,18
2003,16.2,20.4,20.3,21.4,21.7,20.9,20.5,20.8,19.9,20.9,20.5,18.5
2004,17.1,19.6,21.2,21.2,21.8,21,20.7,20.5,20.8,20.5,19.9,19.5
2005,16.2,20.8,21.8,22,21.4,21.5,20.6,20.2,21.1,20.5,20.1,18.2
2006,16.7,19.4,20.8,21.7,21.1,21.9,20.9,21,20.9,20.4,19.7,17.3
2007,16.1,19.4,21.4,21.1,21.6,21.3,20.7,20.4,20.8,20.6,20,17.5
2008,14.7,19,20.9,21.3,21.2,20.7,20,20.3,20.7,19.9,19.6,17.2
2009,15.2,21.1,21.5,21.8,21.4,21.1,20.9,20.7,20.6,20.4,19.8,18.2
