1901,17.1,16.7,18.2,18.5,20,21.3,21.2,21.2,21.4,20.6,18.8,17.7
1902,16.5,16.6,17.8,18.5,19.9,21.1,21.2,20.9,21.1,20.9,19.8,18.5
1903,17.4,17.8,18.3,18.2,19.4,21,21.1,21.2,20.5,20.1,19.4,17.8
1904,17.5,17.6,18.4,18.6,20,20.6,20.7,20.6,20.4,20.3,19,18.2
1905,16.6,17.6,18.6,18.9,21,21.6,20.9,21.1,21.1,21,20.3,18.9
1906,18,17.6,18,18.4,19.9,20.8,21,20.8,21,20.6,19.5,17.4
1907,17.4,16.9,18.2,18.6,20.5,21.2,21,20.9,20.8,20.7,20.1,18.6
1908,17.3,16.8,18.4,19.7,20.5,21.1,21.1,21.1,20.9,20.2,19.8,18.6
1909,17.3,17.1,18.2,18.7,20,21.1,21,20.5,20.8,20.5,19.1,17.4
1910,16.4,16.7,17.4,18.2,19.7,20.9,20.8,20.8,20.8,20.4,18.9,17
1911,17.5,17.1,17.6,18.5,19.4,21,20.8,20.8,20.7,21,20.6,18.8
1912,18.1,16.8,19.2,19.4,20.6,21.1,21.1,21,21.1,20.9,19.7,19.1
1913,18.2,17.9,19.1,18.3,19.8,20.3,20.7,20.6,20.7,20.6,19.1,17.9
1914,16.8,17.3,17.1,18.9,19.9,20.9,20.9,21.1,20.8,20.6,19.4,19
1915,17.7,16.8,16.8,17.7,20.9,21.8,21.7,21.8,21.8,21.6,20.3,18
1916,17.9,17.1,17,18.6,20.2,21.7,20.9,20.6,21,20.3,19.4,17.7
1917,17.4,16.4,18.5,18.5,19.9,20.7,21,21.1,21.1,20.8,18.3,17.3
1918,16.1,17.3,18.2,18.7,19.2,20.6,20.8,21.2,20.5,21.1,19.7,18.6
1919,17.2,17.2,18.4,18.3,20.3,21.1,20.8,21.3,20.9,20.9,19.2,17.8
1920,16.8,16.3,17.8,19.2,20.7,21.6,20.6,20.9,20.8,20.2,19.8,18.6
1921,15.7,16.7,17.6,19.3,20.3,21.6,20.9,20.7,21.2,20,19.2,17.9
1922,15.5,15.6,17.1,18.2,19.1,21,20.3,20.2,21.1,20.5,19.4,18.1
1923,16,15.4,17.4,18.3,19.6,20.8,20.6,20.4,21.4,20.7,19.7,18.6
1924,17.7,16.7,17.7,20.5,21.4,21.5,21.6,22.1,21.2,21.2,19.6,19
1925,17.7,17.8,19,19.4,21.1,21.3,20.8,21.1,21.7,20.8,20.1,18.7
1926,16.5,17.6,18.8,20.8,21,21.4,21.3,21.8,21.8,22,21,19.2
1927,16.2,17.8,18.5,20,19.9,21.8,20.9,20.7,20.1,20.1,19.2,18.1
1928,17.4,17.9,18,18.9,19.3,21.2,21,20.8,21.3,20.5,19.7,17.8
1929,17.9,18.1,19.3,19.4,20.8,21.1,21,21,20.8,20,20.1,18.6
1930,18.3,17.3,18.1,19.5,20.3,20.8,21,21.2,21.3,20.1,18.7,18.1
1931,16.8,16.5,17.4,18.6,20.2,21.1,21.7,21.5,21.2,20.8,19.7,18.9
1932,17.6,17.9,18,18.8,21.5,20.9,20.8,21.1,21.2,19.3,18.6,18.1
1933,17.5,17.8,19,19.7,21.5,21.6,21,22,21.4,21.8,19.6,19.3
1934,18.1,16.9,18.3,19.2,20.8,21.4,21.5,21.8,21.7,21.6,19.2,17.9
1935,17.8,16.9,18.7,19.9,21.2,21.5,21.2,21.2,21.4,21.1,19.8,17.5
1936,18.3,17.5,17.9,19.4,20.7,21.1,21.6,21.7,21.4,21.9,20.8,18.8
1937,19,17.7,19.3,19.7,20.4,21.4,21.1,21.2,21.3,21,19.9,18.7
1938,18.9,18.9,17.7,18.3,20.3,21.1,20.4,20.8,20.9,20.7,19.7,17.8
1939,18,17.7,17.6,17.9,19.8,20.9,21,21.6,21.1,21.3,19.8,18.3
1940,16.7,17.2,18.2,19.2,20.2,21.7,21.9,21.8,21.1,20.3,19.7,18.5
1941,18,15.7,17.7,18.8,20.6,21.9,21.2,21.9,21.2,21.2,20.2,19.6
1942,18.3,15.7,18.9,19.2,20.6,21.5,21.6,21.7,21.4,21.1,20,18.8
1943,17.8,16.9,18.2,18.7,20.1,20.8,20.5,20.9,21.4,20.4,19.8,17.9
1944,17.4,17.1,18.4,19.1,19.9,21.1,20.8,20.8,20.6,20.4,18.7,17.6
1945,16.5,17.1,17.8,18.7,19.7,21.6,20.5,20.5,20.7,19.9,18.8,17.3
1946,17.3,16.9,17.9,17.6,20.1,20.7,20.8,20.7,20.6,20.8,19.2,18
1947,18,16.6,18,19,20.1,20.8,20.9,21.2,21.2,21.2,20.6,18.2
1948,18,17.8,18.8,19,20.9,21.5,21.6,22.1,21.2,20.8,20.1,18.7
1949,16.6,16.7,17.3,18.7,19.5,20.3,20.4,20.7,20.7,19.8,19.1,17.3
1950,16.8,16,17.2,17.5,19.3,20.6,20.2,20.6,20.2,20,18.6,17.1
1951,15.2,15.4,16,17.5,19.3,20.1,20.1,21,21.1,20.4,19.6,18.5
1952,16.9,15.9,17.1,18.7,20.8,21.2,20.5,20.9,19.9,21.1,19.6,16.9
1953,16.2,17.5,17.5,18.6,20.1,20.7,20.5,20.5,20.4,19.9,20.2,18.7
1954,18.6,16.7,18.5,19.2,21,21.7,21.8,21.9,21.2,20,19.9,17.8
1955,16.5,17.1,17.5,17.4,19.6,20.4,20.7,20.8,21,19.9,19.4,18.2
1956,14.8,16.4,17.6,18.9,20.8,21.2,21.7,21.1,20.6,20.7,18.8,17.9
1957,17.5,18.7,18.1,19.2,20.8,20.9,20.9,21.9,21.4,19.7,20,17.6
1958,16.6,15.5,18.4,19.3,21.6,21.9,22.1,21.3,21.8,20.7,19.6,18.2
1959,17,17.8,18.8,19.7,20.6,21.4,21.5,21.1,21.3,21.6,19.5,18.1
1960,17.7,17.5,19.2,20.3,22.3,21.4,20.9,22.2,21.2,20.4,19.4,17
1961,17.7,18.4,19,20.3,22,22.5,22.3,22.3,22,20.7,18.9,18.4
1962,17.8,17.2,17.9,20.3,20.7,22.1,22.8,22,22.1,21.2,19.3,18.5
1963,16.7,17.5,18.5,19.1,20.7,21.7,22.1,21.3,22.2,20.7,20,18.4
1964,17.3,18,19,19.6,21.4,22.1,21.9,21.4,21.5,20.6,18.9,18
1965,15.7,16.5,17.6,17.9,20.5,20.8,21.2,21.3,21.3,20.1,19,18
1966,16.6,17.6,17.9,19.2,20.8,21.4,21.1,21.2,21.3,22.2,19.4,18.2
1967,17.9,17.5,17.1,17.4,19,20.5,20.7,20.8,20.4,20.3,19.4,17.2
1968,17.1,16.1,16.7,16.6,19.9,21,20.5,20.9,20.2,21,19.6,17.7
1969,17.6,16,18.6,19.9,20.7,21.6,20.6,21.1,20.4,20,18.9,17.1
1970,16.6,16.6,17.7,18.8,19.8,20.3,20.4,20.7,19.8,19.9,19.1,18.3
1971,17.1,17.5,17.6,17.7,19.4,20.8,21,20.5,20.6,20.4,19.9,18.7
1972,17.8,17.3,17.3,18.3,20,21.1,20.4,20.5,20.3,20.6,20.4,19.2
1973,18,16.6,18.9,19.2,20.6,20.5,20.7,20.6,20.3,20.6,19.5,17
1974,16.9,16.5,18,18.2,19.5,20.7,20.4,20.4,20.9,21.1,19.7,18
1975,17.7,17.4,19.2,19.8,20.6,20.7,21.2,21.7,21.2,20.2,19.5,16.4
1976,17,16.7,17.8,18.1,20,20.5,20,20.9,20.8,20.6,20,18.5
1977,17.6,17.9,18.7,18.9,19.8,21.6,21.3,21.5,21.1,20.9,20.5,18.6
1978,18.2,16.4,18.1,18.4,20.7,20.9,20.7,21.2,20.4,20.8,19.6,18.2
1979,18.3,17.5,17.8,18.8,20.3,21.9,21.9,21.6,21.6,21.3,20.9,19.1
1980,18.3,17,18.5,19.5,20.8,22.2,21.9,21.7,21.3,21.4,20.4,18.4
1981,16.9,18.1,18.8,19.7,20.9,21.3,21.3,21.8,21.1,21.2,20.4,19.1
1982,18.8,17.8,19,19.7,20,22.1,21.5,21.5,22.2,21.1,20,19
1983,18.8,19.3,19.6,19.8,21.3,22.1,22.5,22.1,22.1,21.5,21.2,19.7
1984,18.2,19,20,21.1,21.1,21.5,21.3,21.3,21.2,20.9,20,18.8
1985,17.3,17.9,18.8,19,21.1,21.9,22.1,22.3,21.9,21.9,21.1,19.2
1986,18.6,17.8,19.4,19.3,20.5,22.1,22.3,22.5,21.7,21.7,21.1,19.2
1987,18.4,18.5,19.3,20.2,20.9,22.5,23,23.2,23,22.8,22.1,20.5
1988,19.3,18.8,19.9,20.5,21.9,23.1,22.4,22.2,22.2,21.5,21,19.9
1989,18.7,18.3,18.5,20.2,20.8,21.7,21.8,22,22,21.6,21,19.4
1990,19.4,19.1,19.4,19.9,21.7,22.1,22.2,22.2,22.1,21.9,21.5,20.3
1991,19.3,18.6,19.4,20.3,22.1,22.9,23,22.6,21.9,22,21.7,19.8
1992,18.9,19,20,20.9,21.1,22.8,22.3,22.9,21.8,21.6,21.2,19.9
1993,19.5,17.9,18.5,19.7,21.4,22.6,21.7,21.8,21.8,21.6,21.3,19.6
1994,19.6,19.1,19.5,20.6,21.8,23.1,22.4,22.5,22.6,22.1,21.9,19.9
1995,18.4,18.6,18.8,20.3,22,22.5,22.2,21.5,21.7,21.1,20.5,18.6
1996,17.4,16.9,17.9,19.1,21.2,22.2,21.7,21.1,20.8,20.4,19.8,18.5
1997,18,18.3,18.8,18.9,21.9,21.7,21.6,22,21.5,20.7,20.7,20.4
1998,18.9,17.3,18.1,18.9,21.1,22.4,22.4,22.4,21.3,22,21.5,20.2
1999,19.3,16.8,18.1,19.4,20.9,22,21.2,21.6,21,21.1,20.4,18.7
2000,17.8,17.9,18.6,19.2,20.7,21.8,22.1,22.2,22.1,21.5,20.7,19
2001,17.7,18.7,19.5,19.7,20.7,22,21.9,22.7,22.4,21.9,20.2,19.8
2002,19.1,18.5,19.6,19.7,20.9,22,22.1,22.3,21.7,22,21.6,19.9
2003,18.4,19.1,20.3,20.3,22,22.5,22.1,22.1,22.4,22.2,21.2,19.1
2004,18.4,18.8,20,19.6,20.9,22.8,21.8,22.4,22,21.8,20.7,19
2005,17.9,15.9,19.5,19.3,21.4,22.1,22.3,22.3,22.8,20.8,21.1,18.6
2006,18,15.8,19,19.9,21.9,23.1,22.8,22.9,22.3,21.9,20.9,20
2007,18.6,18.2,18.8,18.9,20.3,21.7,21.3,21.3,20.9,20.5,19.4,18.3
2008,17.2,17.1,18.1,18.8,20.1,21,21.1,20.9,21,20.8,19.1,18.3
2009,17.4,16.7,17.1,18.8,19.8,20.8,21.7,21.6,21.9,21.9,20.5,20.2
