1901,18.2,18.6,19.2,21.1,20.6,19.7,19.3,19.5,20.1,19.6,18.9,16.5
1902,16.7,17.4,19.9,20.8,21.2,20.5,19.6,20.2,19,19,18.7,17.7
1903,17.5,18.4,20.3,21.1,21,20.1,19.3,19.2,19,19,17.7,16.3
1904,16.2,17.1,19.4,20.8,20.2,18.7,18.6,19.2,19.4,19.4,18.2,16.7
1905,16.9,18.5,19.9,20.4,21,20.1,19.7,19.7,19.5,19.3,18.8,16.9
1906,18,19.1,19.4,22.2,22.2,20.1,19.3,19.2,18.5,19.2,18.9,17.1
1907,16.7,18.1,19.6,19.6,20.8,19.5,19.3,18.6,19.6,19.7,18.7,17.2
1908,17.1,17.7,19.1,21.5,20.7,20.2,18.7,19.1,19.5,19.7,18.5,16.9
1909,17.1,18.2,20,20.6,20.4,20,19,19.5,18.8,19.5,19.3,17.9
1910,17.2,18,20.1,21.3,21.6,19.9,19.6,18.8,18.3,19,17.5,15.8
1911,17.1,16.8,19.6,20.9,20.9,19.8,19,19.2,20,19.2,19,17.4
1912,16.5,19.1,20.3,21.5,22.1,19.8,19.1,19.4,19.5,19,18.2,16.5
1913,16.2,18.2,20.1,21.5,21.6,19.9,18.9,19.4,20.1,19,18.6,17.9
1914,16.4,18.5,20.3,21,21.6,20.8,19.3,19.2,19.9,19.3,18.9,18
1915,17.6,18.8,19.8,21.1,21.4,20.4,19.8,20.2,19.8,19.9,19,16.7
1916,16.3,18.3,20.1,21.6,21,19.1,19.6,19.1,19,19.2,18.4,16.5
1917,16.2,17.3,19.1,20.8,20.4,19,19.8,19.4,19,18.5,18.8,17
1918,16.4,16.8,18.7,20.6,19.7,19.5,20,19.6,19.5,20.3,19.7,17.5
1919,18,18.9,19.9,21.8,20.8,19.6,19.5,19.4,19.6,19.7,18.8,17.5
1920,16.6,18.5,20.3,20.8,21.5,20,19.5,19.5,19.5,19.6,18.8,16.8
1921,17.8,17.9,20.2,20.4,21.7,19.9,19.5,19.5,18.8,19.2,18.1,16.7
1922,17.2,17.6,20.3,21.2,20.8,19.7,19,19.4,19.4,19,18.5,16.3
1923,16.6,17.8,19.2,20.8,21.1,20.3,18.5,19.1,19.1,19.7,19.7,18.1
1924,17.5,18.9,20,22,22,19.7,19,19.5,19.4,19.7,18.9,17.3
1925,17.7,18.2,19.8,21.6,19.8,20,19.3,19.4,19.9,19.4,18.8,17.4
1926,17.8,18.5,20.6,21.1,22.1,20.6,20.2,19.8,19.5,19.7,19.2,18.1
1927,18.3,19.2,21,22.1,21.7,19.9,18.8,19.7,19.7,19.5,18.7,18.1
1928,18,18.6,20,21.6,22.3,20.4,19.4,19.2,20.1,19.5,19.1,17.4
1929,17.7,18.5,19.7,20.4,21,19.9,19.9,20.4,20.2,19.4,18.8,17.9
1930,17.6,18.2,19.9,21.3,20.5,20.4,19.7,19.8,19.8,19.4,18.8,17.8
1931,17.2,18.7,20.4,21.8,22.3,20.7,19.8,19.7,19.3,19.9,18.8,17.3
1932,16.2,17.9,19.4,21.3,20.7,20,19.2,19.9,19.4,19.6,18.7,17.1
1933,17,18.5,19.6,20.9,20.1,19.1,19.1,19.1,18.8,18.8,18.9,17.1
1934,16.9,17.6,19.4,20.9,21.3,19.9,19.5,19.5,19.9,19.8,17.6,16.6
1935,17.1,18.4,19.9,20.7,22.1,20.2,19.1,19.2,18.8,19.5,18,17.5
1936,17.5,18.6,19.7,21.2,21.3,19,19.2,19.3,19.6,19.5,18.9,17.8
1937,17.1,19,20.4,20.1,21.3,19.8,18.9,19.9,19.9,19.3,18.4,17.1
1938,17.5,18.8,20.6,21.2,21.4,19.4,19,19.1,19.1,18.6,18.2,17.4
1939,16.7,18,19.5,20.3,21.5,19.9,18.9,19.4,19.4,19.7,18.4,16.9
1940,15.8,18,19.6,20.5,20.6,19.9,19.3,19.2,19.8,19.7,18.6,17.3
1941,17.3,18.6,20.8,21.6,21.6,19.9,20,20.1,19.5,19.9,19.3,17.8
1942,17,18.5,20.3,21,21.7,19.9,19.2,19.3,19.3,19.4,18.1,17.7
1943,17.4,18.3,20.1,20.1,20,18.8,18.7,19.3,18.7,18.3,18.4,16.8
1944,17.2,18,18.7,20.1,21.3,19.8,19,20,19.4,19.3,18.8,17.4
1945,17.2,18.8,20.2,20.4,21.3,20,19.5,19.6,19.5,19.4,18.3,17.4
1946,16.2,17.9,20.3,20.5,20.8,19.5,19.3,19.3,19.2,19.5,18.6,17.5
1947,17.5,18,20.3,20.3,21.5,20.1,19.4,19.6,18.9,19,18.2,17.5
1948,17.8,18.8,20.1,20.8,20.8,20,19.5,19.6,19.5,19.2,19.3,17.3
1949,16.9,18,20.3,20.8,20.6,19.5,19.2,19.5,18.8,19.5,18,16.7
1950,16.8,18.4,19.9,20.8,21.5,19.6,18.8,19.5,18.9,18.8,18,17.1
1951,16.9,17.7,19.6,20.3,20.7,18.9,19,20,20,19.5,19.3,16.9
1952,17.2,18.5,19.6,21.3,21,19.9,19.6,19.5,19.6,19.1,18.5,17.3
1953,17.1,17.6,20.4,20.3,21.7,20.5,19,19.7,19.4,19.2,18,17
1954,17.3,18.5,19.6,20.9,20.8,19.6,18.8,19,18.9,18.5,17.5,17.1
1955,17.3,18.5,19.4,20.4,20.2,19.8,19.4,19.3,20,19.6,17.9,16.2
1956,16.7,17.6,20,21.2,20.4,19.4,18.8,19.5,19.6,18.8,18.6,16.5
1957,16.5,17.9,19,20.4,21.4,20.1,19.6,19.9,19.7,20.1,19.2,18.4
1958,17.4,19.3,20.4,21.2,21.2,20.6,19.9,20,19.4,19.8,19.3,17.1
1959,17.7,18.6,19.4,20.9,21.3,20.1,19.2,19.5,19.7,20,18.9,17.4
1960,17.6,18.1,20.1,20.7,20.4,20.1,20.1,19.6,19.5,19.4,18.2,17.1
1961,17.5,18.7,20.2,20.9,20.6,19.5,19.1,19.7,19.2,19.2,18.5,17.2
1962,16.8,18.1,19.3,20.4,20.5,20.1,19.8,19.5,19.5,19.6,18,17.1
1963,17.1,17,19.6,20.2,20.9,19.9,19.9,19.6,19.7,19.5,19.2,17.4
1964,16.2,17.7,19.8,21.3,21.6,19.8,19.6,19.1,18.7,19,17.7,15.9
1965,16.1,17.9,19.3,20.2,20.9,19.7,19.2,19.4,19.6,20.1,19.4,17.8
1966,17.8,18.8,20.2,20.9,20.6,20,19.8,20.1,19.7,19.2,18.8,17.4
1967,16.4,16.7,19.3,20.6,21.2,20.1,18.7,19,19.1,18.8,17.1,18.1
1968,16.8,17.9,19.5,20,21.1,19.9,19.1,19.6,19.4,18.8,18.8,17.1
1969,16.7,18.5,20.3,21,21.1,20.1,19.4,19.8,19,19.3,18.8,17.8
1970,17.3,18.1,19.7,21.4,20.6,19.7,19.3,19.1,19.1,19.1,18.4,15.4
1971,17.2,17.4,18.9,20.2,20.4,19.5,19.1,18.9,19.3,18.8,17.2,16.4
1972,15.4,17.6,18.4,20.7,20.9,20.5,19.6,19.4,20.2,20.2,18.9,18.3
1973,16.1,18.7,19.8,21.7,21.3,20.5,20.1,18.9,19.6,19.5,18.3,17
1974,16.2,17.1,19.7,21.1,20.4,19.5,19.1,19,19.1,18.7,17.7,16.1
1975,16.2,18.4,19.6,20.8,20.6,19.5,18.7,19.3,19,19.2,17.8,15.7
1976,15.7,17.2,19.3,20,20.9,20.2,19.5,19.3,20,20,19.8,17.7
1977,16.4,18.5,20.2,21.6,20.7,20,19.4,19.7,19.9,20,20,17.2
1978,17.2,18.7,20.1,21.6,20.9,19.4,19.1,19.7,19.5,20.1,19.4,19
1979,18.4,19.4,20.6,21.9,21.9,20.6,19.4,20,20.1,20.1,20.3,18.7
1980,17,18.7,20.5,21.9,22.1,19.9,19.7,19.6,20.1,20.2,19.5,18.1
1981,18.1,18.7,20.3,21.8,21.8,20.1,20.4,19.6,20,20.5,19.2,17.7
1982,17.2,19.1,20.6,21.8,21.9,20.2,19.9,19.8,19.8,20.5,20.1,17.9
1983,17.3,19.7,21.1,21.5,22.4,21,20.4,20,19.5,20,18.2,17.9
1984,18.8,18.3,20.5,21.4,22,19.8,19.2,19.4,19.6,19.1,18.7,17.2
1985,18.4,19,20.7,21.8,21.7,19.5,19.4,19.6,20,19.2,18.4,18.1
1986,17.7,18.6,21,21.8,21.7,20,19.9,19.6,19.9,19.9,18.8,18.6
1987,17.6,18.1,19.9,21.7,22,20.1,20.8,19.7,20.6,20.3,19.8,18.8
1988,17.5,19.5,21.3,21.5,21.7,20.3,19.7,19.9,19.5,19.8,19.4,17.1
1989,17,17.6,20.1,21.3,21.2,19.7,19.5,19.1,19.6,19.9,19.4,17.7
1990,17.3,19,21.1,21.7,21.2,20,19.3,19.6,20,20.1,19.2,18.1
1991,18.2,19,20.7,21.4,21.9,20.5,19.7,19.2,20.1,19.7,18.9,17.2
1992,16.3,18.3,19.3,21,21.1,20.1,19.3,19.3,19.6,19.4,19.9,16.7
1993,16.8,17.9,20.1,21.1,21.6,20.3,19.1,19.5,19,19.8,19.5,17.8
1994,17.4,18.7,20,21.3,21.1,20.1,19.4,19.7,19.5,19.4,18.8,17
1995,17.1,18.9,19.9,21.1,21.1,20.6,19.7,20,19.8,19.6,19.6,17.5
1996,17.3,18.1,20.8,21,21.7,20.3,20.3,19.9,20.1,19.2,19.2,17
1997,17.3,18.1,19.6,20.9,21.7,21,20.4,20,20.3,19.9,20.4,19.5
1998,18.8,19.1,21.2,22.3,22.1,21,20.3,20.4,19.9,19.8,19.4,18.1
1999,16.9,18.8,20.1,21.2,20.2,19.7,20,20.1,19.9,20.2,18.9,16.8
2000,17.8,19.1,19.7,21.3,20.9,20.1,19.6,19.9,20.1,19.8,19,17.5
2001,18.2,19.7,20.8,21.7,21.4,20.6,20.1,19.8,20.4,19.8,19.6,18
2002,18.1,18.7,20.9,22,21.9,20.6,20.7,20.3,21,20.5,19.6,18.2
2003,18.2,19.9,21,21.8,22.7,21.3,20.4,20.6,20.5,20.3,19.6,18
2004,18.1,19.1,21.3,21.9,20.2,20.1,19.9,20.1,20,19.7,19.2,18.1
2005,18.5,19.4,20.8,21,21.9,20.9,20.1,20.4,19.9,19.8,18.7,18
2006,18.1,18.5,20.2,21.7,21.1,20.3,20.3,20.4,20.5,20.3,19.8,18.1
2007,18.3,18.9,21.2,21.8,22,20.6,20.4,20.1,19.8,20,19.3,17.9
2008,18.2,18.8,19.2,21,21.8,20.3,20,19.9,20,20,19.7,18.3
2009,17.7,19.5,21.1,21.9,21.6,20.4,19.8,20.5,20.2,20.1,19.8,18.6
