1901,16.4,17,19.9,22.7,22.7,21.7,21.2,21.2,21.4,20.4,18.8,16.3
1902,16.3,17.1,20.7,22.6,23.2,22.5,21.7,22,20.4,20.5,18.6,16.8
1903,16.1,17,20,22.3,22.4,21.9,21.2,21.1,20.5,19.9,17.3,15.5
1904,15.7,17,20,22.4,22.3,21,20.9,21.1,20.9,20.6,17.8,15.9
1905,15.6,16.6,19.4,21.1,22.7,22.7,21.6,21.6,20.9,20.5,18.7,16
1906,16.3,17.3,19.5,22.8,23.6,21.9,21.1,21.1,20.1,20.2,18.9,16.6
1907,16.3,17.4,20.1,21.7,22.5,21.7,21.2,20.5,21,20.6,18.7,16.4
1908,16.2,16.9,19.3,22.9,22.5,22.3,20.7,20.8,20.9,20.5,17.8,15.7
1909,15.6,17.1,20.4,22.1,22.6,22,20.7,21.3,20,20.2,18.6,16.6
1910,16.1,17.5,20.5,22.7,23.1,21.7,21.6,20.7,19.8,19.8,17.1,15.2
1911,16.2,16.3,19.9,22.1,22.6,21.8,21.2,20.9,21.2,20.4,18.7,17.1
1912,16.1,18.2,20.5,23.1,23.6,22.1,21.2,21.2,20.9,20.2,18,15.9
1913,15.5,17.4,20,22.7,23.2,21.8,20.9,21.3,21.2,20.1,18.1,16.5
1914,15.9,17.5,20.2,22.1,23.4,22.7,21.3,21.1,21.2,20.7,18.9,16.9
1915,16.5,17.4,20.2,22.8,23.3,22.5,21.9,21.8,21,20.5,18.8,15.9
1916,15.8,17,20.7,22.9,22.8,21.2,21.5,21,20.5,20,18.2,15.8
1917,15.7,16.8,19.7,22.3,22,21,21.7,21.1,20.3,19.3,17.9,15.8
1918,15.7,16.5,19.7,21.9,21.7,21.5,22.1,21.6,20.9,21,19.4,16.3
1919,16.7,17.5,20,22.8,22.7,21.8,21.4,21.2,21,20.6,18.7,16.4
1920,16.4,17.6,20.7,22.4,23.2,22.2,21.3,21.4,21,20.8,18.7,16.1
1921,16.6,17.2,20.7,22.4,23.5,22,21.3,21.1,20.1,20.4,17.8,16.1
1922,16.3,17.2,20.6,22.8,22.8,21.7,20.9,21,20.5,20.2,18.5,15.7
1923,16,16.9,20.2,22.4,22.8,22.7,20.5,21,20.5,20.6,18.6,17.2
1924,16.4,17.8,20.9,23.5,23.7,22.2,21.2,21.5,20.7,20.3,18.2,16.4
1925,16,16.6,20.6,23.3,22.2,21.6,21.4,21.4,21.3,21,19.1,17
1926,16.8,17.9,20.9,22.2,23.4,23,22.1,21.5,20.9,20.5,18.4,16.7
1927,16.5,17.8,20.9,23,23.2,21.9,20.9,21.3,21.1,20.4,17.7,16.9
1928,16.9,17.2,20.3,23.1,23.7,22.2,21.3,21,20.9,20.4,18.9,16.6
1929,16.4,17.3,20.6,22.6,23.1,21.6,21.7,21.9,21.3,20.3,18.9,16.6
1930,16.1,17.2,20.2,22.6,22.6,22.1,21.4,21.4,21,20.7,18.4,17
1931,16.7,18.3,20.5,23.7,23.7,23.2,21.4,21.5,20.6,20.5,18.9,16.5
1932,15.7,17,20.2,22.5,22.8,21.9,21,21.8,21,21.2,19,16.7
1933,16.3,17.9,20.2,22.3,21.7,20.9,21.1,20.9,20.4,20.3,19.3,16.6
1934,15.9,17.4,19.9,22.6,22.8,21.7,21.1,21,20.8,21.1,16.8,16.1
1935,15.9,17.7,19.9,21.6,23.4,22.2,21,21.2,20.2,21.2,18.1,17.2
1936,16.6,17.4,20.4,22.4,23.5,20.9,21,21.3,21.3,21,19.6,17.2
1937,16.2,18.2,20.5,21.7,23,21.8,20.7,21.5,21.1,20.6,18.7,16.9
1938,17.4,17.5,21.3,22.9,22.8,20.7,20.8,21.2,20.5,19.7,18.3,16.7
1939,16.6,18.1,20,22,22.9,21.9,20.7,21.3,20.8,21.2,18.3,16.2
1940,15.4,17.8,19.2,22.3,22.7,21.9,21,21,21.2,20.9,19.4,16.9
1941,16.5,18.6,21.7,22.7,23.2,21.6,21.7,22.1,21.4,20.9,19.5,18.2
1942,16.7,18.3,21.5,20.8,22.8,21.1,20.8,21.1,20.7,20.4,18,17.2
1943,17,17.8,21,21.1,21,20.1,20.8,21,20.4,19,18.3,16.1
1944,16.7,17.3,19.5,20.8,22.6,21.4,21,21.5,21.1,19.6,18.2,17.7
1945,16.2,17.9,20.9,20.7,21.9,21.2,21.2,21.5,20.8,19.5,17.7,16.4
1946,15.8,17.9,21,20.7,21.2,20.4,21,21,20.8,20.1,18,18.2
1947,17,18.1,21.1,21.7,22,21.5,21.4,21.9,20.4,19.8,17.4,17.3
1948,17.5,18.3,20.9,21,21.9,21.4,21.5,21.6,20.8,19.7,19,16.6
1949,16.9,17.7,21.4,20.9,21.2,21,21.5,21.6,20.5,19.6,17.2,16.7
1950,16.6,17.6,20.4,21.3,21.9,21.3,20.9,21.7,20.8,20.1,17.4,17.1
1951,16.5,17.7,20.6,21.8,22.1,20.5,21.5,21.6,21.5,20.2,19.3,16.5
1952,16.8,18.4,20,23,23.1,22,21.5,21.1,21.1,21.1,18.6,18.1
1953,16.7,18.5,21.3,22.5,22.5,21.9,21.3,21.4,21.2,19.8,17.6,16.8
1954,16.5,18.7,20.6,21.3,21.9,21.4,20.9,21.1,20.1,19,17.1,17.3
1955,17.4,18.5,20.8,21,22,21.4,21.6,21.3,21.4,20.8,17,16.4
1956,16.8,17.3,21.1,22.2,22.2,20.9,20.6,21.3,21,20.1,19.1,16.4
1957,16.7,17.1,20.1,22,22.5,22.5,21.5,21.7,21.1,21.8,19.7,18.5
1958,17.1,18.6,20.8,23.2,23.5,23.1,21.7,21.9,21.2,20.8,19.6,17.6
1959,18,18.7,20.8,22,23.2,21.9,20.8,21.4,21,21,19,17.6
1960,17.2,17.9,20.9,21.8,22,21.9,21.9,21.1,21.1,20.6,18.9,17.6
1961,16.8,16.8,20.2,21.9,21.8,21,20.8,21.6,20.5,19.8,18.7,16.5
1962,14.8,17.3,19.3,22,22.1,22.2,21.4,21,20.5,20.7,17.8,16.1
1963,16.3,16.9,20.1,21.5,22.5,21.2,21.5,20.8,20.8,20.4,19.3,17
1964,14.8,16.7,19.8,22.4,22.8,21.7,20.8,20.5,19.9,19.8,17.5,14.7
1965,15.5,16.8,19.3,21.5,22.4,21.3,21,21.2,20.8,21.1,19.1,17.4
1966,16.2,17.6,19.9,22.2,21.7,22.3,21.7,21.8,20.7,20.5,18.9,16.5
1967,15.6,16.6,20.3,22.3,23.2,22.7,21.1,21.6,20.6,20.2,17.9,18.4
1968,15.8,17,20,21.6,22.7,22.2,21.2,21.7,20.8,19.5,18.7,16.8
1969,16,17.6,20.9,22.6,23.7,22.2,21.3,21.5,20.4,20.9,19.4,17.6
1970,16.2,17.7,19.8,23,22.7,21.7,21.6,21.2,20.6,20.6,18.5,14.3
1971,15.8,17,20.2,22.6,22.5,21.1,21.5,21.1,20.8,19.8,17.9,16.3
1972,15,16.9,19.7,22.1,22.4,23,21.6,21.5,21.2,21.7,18.9,17.9
1973,15.5,18,20.2,24,23.9,22.4,21.6,20.5,21.1,20.7,18.7,16.7
1974,15.3,17.1,20.5,22.9,22.3,21.6,21.3,21,20.6,20.3,16.8,15.5
1975,15.3,17.2,19.6,22.7,22.5,21.6,20.8,21.3,20.4,20.6,17.4,14.5
1976,15,16.8,20.1,21.6,22.4,21.9,21.1,21.2,21.2,21.3,20.1,17.2
1977,15.5,18,21.4,23.4,23.2,22.3,21.3,21.7,21,21.4,20.6,16.5
1978,16.4,17.4,20,22.9,23.1,21.4,20.6,21.7,20.8,21.3,20,18.9
1979,18,17.7,20.5,22.9,23.1,23.2,22.2,21.9,21.6,22,21,18.2
1980,17,18.8,21.3,23.9,24.1,21.6,22.1,21.3,21.5,21.8,20,16.7
1981,16.8,18.1,20.8,22.6,23.3,21.8,21.9,21.3,21.6,21.5,18.8,17.5
1982,17.1,18.6,20.1,22.5,23.6,22.5,21.8,21.7,21,21.6,20.4,17.8
1983,16.4,17.6,20.2,21.9,24,23.8,22,21.7,20.9,20.9,17.2,17.4
1984,17.4,19,21.9,22.9,24.1,21.8,21.1,21.3,21,20.7,18.5,16.6
1985,17.5,17.8,21.3,22.9,23.4,21.5,21.3,21.1,21.4,19.7,18.2,17.6
1986,17,17.8,21.1,23.2,23.4,22.4,22,20.9,21.7,21.1,18.9,17.1
1987,17.1,17.8,20.3,23,23.3,22.1,22,21.5,21.8,21,19.7,18.2
1988,17,18.5,20.7,23.3,24,22.2,21,21.3,20.8,20.4,18.8,16.6
1989,16.6,17.2,20.8,22.5,22.8,21.7,21.4,21,20.9,20.3,19.2,17.3
1990,16.5,18.2,20.7,22.5,22.9,21.9,21.5,21.2,21.2,21.3,19.1,17.9
1991,16.4,17.9,20.3,23.2,23.7,22.8,21.1,21.2,21.5,20.4,19.2,16.3
1992,15.5,17,19.9,22,23.3,22.5,21.6,21.1,20.9,20.7,19.8,16.1
1993,15.8,17.1,20.3,21.9,23.3,22.9,21.3,21.5,20.6,21,20.1,17
1994,16.8,17.7,20.8,22.7,23.2,22.1,21.2,21.5,20.7,20.3,18.4,15.6
1995,15.5,17.9,20.1,22.1,22.7,22.9,21,21.8,21.3,20.4,17.8,16.7
1996,16.7,17.9,21.3,22.2,23.2,22.6,21.8,21.5,21.4,19.6,18.3,16.4
1997,15.9,16.2,20.1,21.6,23.2,22.7,22.1,21.4,21.8,21.2,20.5,18.8
1998,17.6,17.9,20.4,23.7,24,23,22.3,22.2,21.2,20.6,18.6,17
1999,15.6,18.7,20.5,22.6,21.9,21.3,21.3,21.8,21,20.8,18.4,16
2000,16.9,17.9,19.2,22.8,21.7,21.9,21.1,21.5,21.4,20.8,18.3,16.6
2001,17,17.9,20,22.7,22.7,22.3,21.5,21.5,21.8,20.4,19.7,17.4
2002,16.4,18.6,21.2,23.1,23.6,22.3,22.6,21.5,21.5,21.2,19.4,17.3
2003,17.2,18.6,21.1,22.7,23.7,23.1,21.8,22.3,21.5,21.1,19.9,17
2004,16.7,18.1,21.8,22.9,22,21.7,21.7,21.7,21.1,20.3,19.4,16.9
2005,16.5,17.7,19.9,22.2,23.3,22.7,21.6,21.9,21,20.3,18.3,17
2006,17.2,18.4,20.2,22.3,22.7,21.9,22.5,21.7,21.5,20.9,19.8,17.3
2007,17.2,18,21,22.8,23.1,22.4,22,21.6,20.6,20.8,18.5,17.4
2008,16.7,17.1,20.3,21.6,22.8,21.9,22.1,21.4,21,21,19.2,18.1
2009,17.4,18.6,21.4,22.9,23.2,22.3,21.7,22.4,21.3,20.3,19.2,17.8
