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