1901,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1902,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1903,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1904,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1905,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1906,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1907,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1908,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1909,16.7,18.7,21.5,22.4,21.8,21,20.5,20.5,20,20,17.8,16.2
1910,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1911,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1912,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1913,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.7,16.2
1914,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1915,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1916,16.6,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1917,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,19.9,17.8,16.2
1918,16.7,18.7,21.4,22.3,21.8,21,20.5,20.4,20,20,17.8,16.2
1919,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1920,16.7,18.7,21.4,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1921,16.7,18.6,21.4,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1922,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1923,16.9,18.7,21.7,22.5,21.9,21,20.4,20.3,20,20.1,18,16.4
1924,16.8,19.1,21.8,22.5,21.9,21,20.4,20.3,19.9,20,17.8,16.1
1925,16.3,18.5,21.6,22.4,21.8,20.9,20.5,20.3,20,19.9,17.9,16.3
1926,16.8,18.7,21.4,22.2,21.7,21,20.6,20.5,20.2,20.2,18,16.4
1927,16.8,18.8,21.5,22.2,22,21,20.5,20.3,20.2,20.1,17.9,16.4
1928,16.8,18.5,21.7,22.4,21.7,20.9,20.5,20.2,20,20,17.9,16.1
1929,16.6,18.7,21.5,22.4,21.9,20.8,20.3,20.2,19.9,20,17.9,15.9
1930,16.6,18.8,21.5,22.4,21.8,21,20.5,20.4,20.1,20.2,17.6,16.6
1931,16.8,18.9,21.7,22.7,21.9,21,20.5,20.4,20,20.2,18.1,16.5
1932,16.7,18.9,21.8,22.6,21.9,21.1,20.5,20.4,20,20.2,18,16.3
1933,16.8,18.7,21.5,22.5,21.8,20.9,20.4,20.4,20,20,18.1,16.4
1934,16.7,18.7,21.7,22.6,21.8,21,20.6,20.4,20.1,20.2,18.1,16.3
1935,16.9,18.8,21.7,22.5,21.9,21,20.5,20.4,20,20,18,16.3
1936,16.7,18.9,21.7,22.5,21.8,21,20.4,20.3,19.9,20,18,16.2
1937,16.7,18.7,21.6,22.4,21.8,21.1,20.5,20.4,20,20.2,17.9,16.3
1938,16.8,18.8,21.5,22.5,22,21.1,20.5,20.4,20,20.1,18,16.2
1939,16.8,18.8,21.6,22.4,21.8,21,20.5,20.4,20,20.1,17.9,16.4
1940,16.7,18.7,21.5,22.4,21.8,21,20.5,20.4,20,20,17.8,16.2
1941,18.4,19.8,22.6,23.9,22.2,21.6,20.5,20.4,20.9,20.8,18.1,16
1942,18.4,21,21.9,23.1,21.8,21.6,20.7,19.8,20.5,20.7,17.9,16.8
1943,17.5,18.6,21.1,21.8,21.5,20.4,20.5,20,20.1,20.3,18.5,17.4
1944,17.3,18.6,21.3,22.3,21.4,21.9,21.3,20.4,20.5,20.5,17.5,16.6
1945,18.5,18.2,21.7,22,21.2,21.6,21,19.8,20.1,20,17.8,16.3
1946,18,19.3,22.3,22.9,21.8,20.8,20,19.4,20,20.1,17.9,16.8
1947,17.4,19.8,22,22.4,22,21.5,21,20.3,20.2,20.5,17.7,17.2
1948,17.2,18.3,20.8,22.1,21.7,20.7,20.4,20,20.5,20,17.4,15.5
1949,17.6,18.2,21.7,22.6,22,20.7,21,20,20.2,20.7,17.7,13.4
1950,17.4,18.4,20.9,22.1,21.5,21.3,19.4,18.9,19.9,19.4,17.4,16
1951,17.9,18.2,22.3,23.2,22.4,21.5,21.1,20.5,20.7,20.4,17.5,14.9
1952,18.8,19.2,22.7,23.8,22.4,21.1,20.9,19.2,20.7,20.5,18.1,17.2
1953,17.7,19.6,22.5,23.2,22.3,21.1,20.3,19.4,21.5,19.6,17.3,14.8
1954,17.4,19.4,21.2,22.2,21.4,21,20.4,20.4,19.9,19.6,18.1,15.9
1955,17.2,18.7,20.6,21.7,21.5,20.8,19.9,20.1,20.5,20.2,18.1,15.6
1956,15.7,18.6,20.3,22.8,22.4,20.9,20.7,21,20.6,20,19.3,17.1
1957,16.9,18,20.6,21.9,22.3,21.5,21.5,21.4,20.9,20.5,19.1,17.2
1958,17.9,18,22.8,22.9,22.6,21.2,20.9,20.9,21.2,20.4,19.1,18.1
1959,17.5,18.5,22,23.3,21.7,21.8,20.8,20.5,21,20.1,18.7,16.7
1960,17.3,18.6,21.4,22.3,21.8,21,20.3,21.2,20.4,20.6,18.5,19
1961,18.2,18,21.9,21.8,22.2,21.3,20,20.3,19.7,20,17.2,14.8
1962,15.4,18.7,20.8,21.9,21.3,20.7,20.8,20.3,20.2,20.4,18.8,17.1
1963,16.6,19.2,21.1,21.4,21.9,21.2,20.9,20.8,21.3,21.1,19.6,16.4
1964,17.7,18.7,22.5,22.2,23,20.9,20.2,20.3,20.2,19.7,17.5,16
1965,17,18.7,21.3,22.8,20.9,21.6,20.9,20.7,20.7,20.2,18.1,16.3
1966,18,18.4,20.7,21.9,22.3,20.8,20.8,20.7,20.7,20.4,18.6,15.5
1967,16.2,18.2,21.3,20.3,21.9,20,20.6,20.5,20.7,19.8,16,15.9
1968,16.8,18.7,21.3,22.6,21.8,20.8,20.7,20.9,20.2,20.8,18.8,17.2
1969,15.7,19,21.5,23.3,22.9,21.7,20.7,20.8,21,20.3,18.5,17.3
1970,18,19.2,21.5,23.2,22.5,21.6,21.3,21.4,21,20.4,18.8,16.2
1971,15.8,17.8,21.1,21,21.4,20.9,19.9,19.4,19.1,19.1,16.5,15.3
1972,16.3,18.3,21.4,22.5,21.6,21,20.4,20.4,20.1,19.9,16.8,16.1
1973,17.9,20,22.1,21,21.6,21.1,20.6,20.5,20.1,20.4,17.2,17
1974,17.1,19,21.2,21.7,21.2,20.1,19.1,19.6,19.2,19,17.9,15.1
1975,16.3,18.9,20.9,21.9,21.3,21.2,19.3,18.9,19.5,19,18.7,15.3
1976,16.9,18.3,20.7,22.1,21.2,20.2,19.8,19.3,19.5,19.5,16.6,16.1
1977,16.9,18.6,22.3,23.1,22.3,20.5,19.8,19.7,19.3,19.3,17.8,15.7
1978,16.4,19.2,21.6,22.4,22.2,20.4,19.6,19.8,19.5,19,17,15.6
1979,17.3,18.6,21.7,23.1,21.3,20.8,20.7,20.6,19.9,20.9,19.4,16.1
1980,17.2,19,21.3,23.6,22.4,20.8,20,19.8,20,20,18.2,15.6
1981,16,18.3,22,22.5,21.4,21.1,19.7,20.1,19.7,19.7,17,16.4
1982,18.1,18.3,21.7,21.9,21.6,20.8,20.7,20,20,19.7,17,15.9
1983,15.9,19.5,22.6,24,22.6,21.4,21.1,21,19.9,19.9,17.6,16.4
1984,15.6,19.1,21.7,22.6,21.6,20.5,20,21,19.7,20.4,16.9,16.4
1985,18.3,18.3,22.2,22.9,22.1,20.8,20.5,20.9,19.7,20.1,17.4,16.6
1986,16.7,19.3,21.9,23.7,22.2,21,20.7,20.8,19.8,19.8,17.8,15.8
1987,16.8,18.6,21.4,23,22.2,22.3,21.4,21.1,20.4,20.4,18.5,16.3
1988,17.8,19.8,22.8,23,22.1,21.1,20.4,20.2,19.6,19.5,17.6,17
1989,14.6,17.3,21.4,23.4,21.2,21.2,21.1,20.9,20.2,20.7,18.5,15.3
1990,18.2,18.6,21.9,22.9,22.5,21.5,21.2,21,20.5,20.4,19,18.5
1991,17.2,19.9,22,23.5,21.1,21.5,21,20.4,21.1,20.7,18.2,16.5
1992,15.9,17.4,22.4,23.3,21.2,21,20.5,20.7,19.8,20,18,15.8
1993,15.2,18.1,22.3,23,21.4,21,21.2,20.8,19.7,20.6,19.3,16.1
1994,18,18.2,22.1,23.5,22.7,21.2,20.1,20.4,19.3,20.2,17.6,15.1
1995,15.8,18.1,20.9,21.4,22,21.5,21,21.1,20.4,21.2,18.2,16.9
1996,17,19.2,21.9,22.3,21.9,21.1,21,20.7,20.4,20.9,18.1,16.6
1997,18,18,22.6,23.4,22.5,21.6,21.7,21.6,21.8,21.4,19.3,16.7
1998,16.9,19.5,22.7,24.8,23.1,22,22,21,20.3,20.3,19.5,17.4
1999,17.4,20.2,21.4,23,21.7,20.2,20.4,20.1,20,19.7,18.8,16.7
2000,17.4,17.7,21.3,23.5,22.4,21.2,20.6,20.8,20.4,20.5,18.9,16.4
2001,15.9,19.3,22.2,23.4,22.3,21.7,20.8,20.8,20.3,20,18.2,17.5
2002,14.9,19.5,22.7,23.5,22.7,21.8,21.7,21.1,20.3,20.6,18.6,17.1
2003,16.4,20.5,22.6,23.6,23,21.6,21.2,20.7,20.3,20.9,18.7,17.6
2004,16.7,19.2,23.4,23.9,22.6,21.9,21.5,21.6,20.8,21.5,19,17.5
2005,16.8,21.5,23.1,23.9,22.4,22.3,21.3,21.8,20.6,20.2,18.3,18.6
2006,17.4,18.2,22.9,23.2,23.1,21.6,21,20.4,19.8,20.1,18.1,16.4
2007,16.2,20,22.3,23.1,23.3,22.3,21.1,21.1,20.5,20.8,20,16.9
2008,17.1,17.9,22.8,21.8,22,21.8,21.2,20.8,20.9,20.8,18.6,18.3
2009,18,20,22.7,23.7,23.1,22.6,21.7,21.3,20.9,21.7,17.9,16.6
