1901,17.6,18.5,20,22.3,21.6,20.8,20.5,20.6,20.9,20.2,18.9,16.3
1902,16.4,17.7,20.9,22,22.2,21.7,21,21.4,19.8,19.8,18.6,17.3
1903,16.9,18.3,20.8,22.1,21.7,21.2,20.6,20.4,19.8,19.5,17.4,15.9
1904,15.9,17.5,20.2,22,21.1,20,20,20.4,20.2,20.1,18,16.3
1905,16.4,18.3,20.3,21.2,21.9,21.6,21,20.9,20.2,20,18.8,16.5
1906,17.4,18.9,20,23,23.1,21.2,20.5,20.4,19.3,19.8,19,16.8
1907,16.4,18.3,20.4,20.8,21.6,20.7,20.6,19.8,20.4,20.3,18.7,16.8
1908,16.7,17.9,19.8,22.6,21.6,21.5,20,20.2,20.3,20.3,18.2,16.4
1909,16.5,18.3,20.9,21.7,21.4,21.2,20.1,20.7,19.5,20.1,19.1,17.4
1910,16.7,18.3,20.9,22.5,22.5,21,20.9,20,19.1,19.6,17.3,15.4
1911,16.7,17,20.3,21.9,21.7,20.9,20.3,20.3,20.8,19.9,18.9,17.2
1912,16.3,19.3,21,22.7,23,21.1,20.5,20.5,20.2,19.7,18.1,16.1
1913,15.8,18.4,20.7,22.6,22.5,21,20.1,20.6,20.8,19.7,18.3,17.3
1914,16.1,18.7,20.9,21.9,22.6,22,20.6,20.5,20.6,20.1,18.8,17.6
1915,17.1,18.8,20.6,22.3,22.4,21.6,21.2,21.4,20.5,20.4,18.9,16.2
1916,16,18.3,21,22.7,21.9,20.3,20.9,20.3,19.8,19.7,18.3,16.1
1917,15.9,17.5,19.9,21.9,21.2,20.2,21.2,20.6,19.7,19,18.4,16.4
1918,16,17.1,19.6,21.6,20.6,20.7,21.4,20.9,20.3,20.9,19.7,17
1919,17.5,18.9,20.5,22.8,21.8,20.9,20.8,20.6,20.4,20.3,18.8,17
1920,16.4,18.6,21.1,22,22.4,21.3,20.8,20.7,20.4,20.3,18.8,16.4
1921,17.3,18.1,21,21.6,22.7,21.2,20.8,20.6,19.5,19.9,17.9,16.4
1922,16.8,17.9,21,22.4,21.8,20.9,20.3,20.5,20.1,19.7,18.5,15.9
1923,16.3,18,20.1,21.9,22,21.7,19.8,20.4,19.9,20.3,19.3,17.7
1924,17.1,19.1,21,23.2,23,21.2,20.4,20.8,20.1,20.2,18.6,16.9
1925,17,18.1,20.8,22.9,20.9,21,20.6,20.7,20.7,20.3,18.9,17.2
1926,17.4,18.8,21.4,22,22.9,22.2,21.6,20.9,20.3,20.3,18.9,17.5
1927,17.7,19.2,21.7,23.1,22.6,21.2,20.2,20.8,20.5,20.1,18.3,17.6
1928,17.6,18.5,20.7,22.8,23.1,21.5,20.7,20.4,20.7,20.1,19,17
1929,17.2,18.5,20.7,21.8,22,21.1,21.2,21.5,20.9,20,18.8,17.4
1930,17,18.3,20.7,22.4,21.6,21.5,20.9,21,20.6,20.1,18.6,17.4
1931,17,19,21.1,23.2,23.1,22.1,21,21.1,20.1,20.4,18.9,17
1932,16,18.1,20.3,22.4,21.8,21.1,20.5,21.3,20.2,20.5,18.9,16.9
1933,16.7,18.8,20.5,22.1,21,20.2,20.5,20.4,19.7,19.7,19.2,16.8
1934,16.5,18.1,20.3,22.2,22.2,21.1,20.8,20.6,20.6,20.7,17.4,16.3
1935,16.6,18.7,20.6,21.7,22.8,21.5,20.4,20.5,19.6,20.5,18,17.4
1936,17.2,18.8,20.6,22.3,22.4,20.1,20.5,20.5,20.6,20.4,19.3,17.6
1937,16.7,19.3,21.1,21.1,22.2,21,20.2,21.1,20.6,20.1,18.5,17
1938,17.5,18.9,21.6,22.5,22.2,20.3,20.3,20.4,19.9,19.3,18.4,17.1
1939,16.6,18.5,20.4,21.5,22.2,21.1,20.1,20.6,20.1,20.5,18.4,16.5
1940,15.6,18.4,20.2,21.8,21.5,21.1,20.5,20.4,20.6,20.4,18.9,17.1
1941,17.1,19.1,21.9,22.6,22.5,20.9,21.3,21.4,20.5,20.5,19.4,17.9
1942,16.9,19,21.5,21.6,22.4,20.9,20.4,20.5,20.2,20.1,18.2,17.6
1943,17.3,18.5,21.3,21.2,20.5,19.8,20.1,20.5,19.5,18.8,18.5,16.5
1944,17.1,18.3,19.6,21,22.1,20.9,20.3,21.1,20.4,19.7,18.7,17.5
1945,16.8,19.2,21.2,21.2,21.8,20.9,20.8,20.8,20.2,19.8,18.1,17
1946,16.1,18.5,21.3,21.2,21.2,20.4,20.5,20.5,20.1,20,18.5,17.7
1947,17.4,18.5,21.2,21.4,22,21,20.7,21.1,19.8,19.6,17.9,17.4
1948,17.7,19.2,21.1,21.5,21.4,21,20.8,20.8,20.2,19.8,19.3,16.9
1949,16.9,18.4,21.5,21.4,21.2,20.6,20.7,20.8,19.7,19.8,17.7,16.7
1950,16.8,18.6,20.8,21.7,21.9,20.7,20.2,20.9,19.8,19.6,17.8,17.1
1951,16.7,18.2,20.6,21.5,21.4,19.9,20.5,21.1,20.9,20.1,19.3,16.6
1952,17,19,20.5,22.6,22,21.1,20.9,20.6,20.4,20.1,18.6,17.5
1953,16.9,18.4,21.4,21.6,22.2,21.4,20.5,20.8,20.3,19.7,17.8,16.8
1954,17,19.1,20.6,21.7,21.4,20.7,20.1,20.3,19.6,19,17.3,17.2
1955,17.3,19,20.6,21.2,21.1,21,20.8,20.4,20.8,20.4,17.6,16.1
1956,16.8,17.9,21.1,22.3,21.4,20.5,20,20.7,20.4,19.5,18.8,16.3
1957,16.6,18,20,21.6,22.1,21.4,20.9,21,20.4,21,19.4,18.4
1958,17.3,19.6,21.2,22.6,22.3,22,21,21.3,20.3,20.3,19.5,17.3
1959,17.8,19.2,20.5,21.9,22.4,21.2,20.3,20.6,20.4,20.6,18.9,17.4
1960,17.5,18.4,21,21.9,21.3,21.2,21.4,20.7,20.4,20.2,18.5,17.2
1961,17.3,18.5,21,21.9,21.4,20.5,20.3,20.9,20,19.7,18.5,16.9
1962,16,18.2,19.9,21.6,21.1,21.4,21,20.5,20.1,20.1,17.9,16.7
1963,16.8,17.5,20.4,21.3,21.9,20.8,21.1,20.5,20.4,20,19.3,17.1
1964,15.5,17.7,20.4,22.5,22.5,20.9,20.8,20.1,19.4,19.5,17.5,15.3
1965,15.9,17.9,19.9,21.2,21.9,20.8,20.6,20.6,20.4,20.7,19.3,17.6
1966,17.3,18.8,20.7,21.8,21.3,21.4,21.2,21.4,20.3,19.9,18.8,17
1967,16.1,17.1,20.3,21.8,22.2,21.4,20.2,20.4,19.9,19.5,17.1,18.1
1968,16.4,18.1,20.4,21.2,21.8,21.3,20.6,21,20.3,19.2,18.8,17
1969,16.4,18.7,21.2,22.3,22.5,21.3,20.8,21,19.8,20,18.9,17.6
1970,16.9,18.4,20.3,22.7,21.7,20.9,20.9,20.4,20,19.9,18.4,14.9
1971,16.8,17.8,20.1,21.9,21.7,20.5,20.8,20.3,20.3,19.4,17.6,16.4
1972,15.3,17.9,19.5,21.9,21.7,22.1,20.9,20.7,20.8,21,19,17.9
1973,16.1,18.8,20.6,23.2,22.5,21.6,21.2,19.9,20.4,20.1,18.5,16.7
1974,15.9,17.5,20.6,22.6,21.3,20.7,20.6,20.2,19.9,19.5,17.3,15.8
1975,15.9,18.6,20.4,22.2,21.7,20.8,20,20.6,19.8,19.9,17.6,15.1
1976,15.4,17.5,20.2,21.2,21.7,21.4,20.8,20.6,20.6,20.7,20,17.4
1977,16,18.7,21.2,22.9,21.9,21.4,20.7,21,20.6,20.7,20.3,16.8
1978,16.9,18.6,20.7,22.7,22.1,20.6,20.2,21,20.2,20.8,19.7,18.8
1979,18.3,19.3,21.1,22.8,22.6,22.1,20.8,21.1,20.9,21.1,20.7,18.5
1980,16.9,19.2,21.5,23.3,23.1,20.9,21.3,20.7,20.9,21.1,19.8,17.5
1981,17.7,19,21,22.9,22.9,21.3,21.6,20.6,20.9,21.1,19,17.4
1982,17.1,19.4,21.1,22.8,22.9,21.5,21.2,21,20.5,21.2,20.4,17.7
1983,17,19.6,21.5,22.3,23.2,22.4,21.5,21.1,20.2,20.6,17.8,17.6
1984,18.3,18.9,21.5,22.8,23.1,21,20.6,20.5,20.4,20,18.7,16.8
1985,18,19.1,21.6,22.8,22.5,20.7,20.5,20.6,20.8,19.5,18.2,17.8
1986,17.4,18.8,21.6,22.8,22.8,21.3,21.2,20.6,20.9,20.5,18.8,17.8
1987,17.3,18.3,20.5,22.7,22.7,21.2,21.8,20.8,21.2,20.9,19.8,18.4
1988,17.2,19.6,21.7,22.7,22.7,21.6,20.6,20.8,20.1,20.2,19.1,16.8
1989,16.7,17.9,21,22.4,22.2,21,20.8,20.2,20.3,20.3,19.4,17.4
1990,16.9,19.2,21.6,22.5,21.8,21.2,20.7,20.5,20.7,20.8,19.2,17.9
1991,17.6,19.1,21.2,22.7,22.8,21.9,20.6,20.3,20.7,20.1,19,16.7
1992,15.9,18.3,20.1,21.9,22,21.4,20.8,20.5,20.3,20.1,19.8,16.3
1993,16.3,18,20.7,21.9,22.5,21.7,20.7,20.7,19.8,20.4,19.8,17.4
1994,17.1,18.8,20.9,22.4,22.3,21.3,20.5,20.9,20,20.1,18.8,16.2
1995,16.5,19,20.5,22.1,21.9,21.9,20.7,21.1,20.5,20.1,19.2,17.1
1996,17,18.5,21.6,22,22.5,21.6,21.5,20.9,20.7,19.6,19,16.7
1997,16.7,17.8,20.4,21.8,22.5,22.3,21.6,21,21.1,20.7,20.7,19.2
1998,18.4,19.2,21.5,23.4,23.2,22.2,21.6,21.5,20.5,20.4,19.2,17.6
1999,16.4,19.2,20.9,22.3,21.1,20.8,21.1,21.2,20.6,20.8,18.9,16.2
2000,17.6,19.2,20,22.5,21.4,21.2,20.7,21,20.8,20.4,18.9,17
2001,17.6,19.7,21.1,22.7,22.2,21.7,21.2,20.9,21.2,20.3,19.7,17.6
2002,17.4,19.1,21.7,23,22.9,21.6,22,21.2,21.4,21.1,19.6,17.8
2003,17.8,20,21.7,22.8,23.4,22.4,21.6,21.8,21,21,19.8,17.6
2004,17.6,19.2,22.1,22.8,21,21.2,21.2,21.1,20.6,20.2,19.2,17.5
2005,17.7,19.3,21.1,22,22.7,22,21.2,21.3,20.6,20.3,18.6,17.6
2006,17.7,18.9,20.8,22.4,21.8,21.4,21.7,21.4,21.3,21,20,17.6
2007,17.8,19.1,21.8,22.8,22.7,21.7,21.5,21.1,20.3,20.6,19.1,17.6
2008,17.6,18.7,20.2,22,22.7,21.5,21.4,21,20.6,20.9,19.6,18.2
2009,17.5,19.7,21.8,23,22.5,21.5,21.1,21.7,20.8,20.6,19.7,18.2
