1901,16.9,16.4,17.3,21.2,22.7,23.7,24.1,23.3,22.2,21.2,19.7,17.4
1902,16.8,17.2,18.4,21.6,23.3,24,24.2,23.7,22.2,21.3,20.3,18.7
1903,16.4,16.6,18.5,22,22.6,23.6,23.9,23.2,21.5,20.8,18.6,15.7
1904,15.1,17,17,20.7,22.3,23.5,23.9,23.6,22.4,21.3,19.2,16.6
1905,18.1,16.8,16.5,20.9,22.9,23.8,24.2,23.9,22.4,21.3,20,19.8
1906,17.2,18.2,17.2,21.6,23.2,24.4,24.5,24.3,22.8,20.9,18.9,17.9
1907,16.7,17.1,17,20.7,22.2,23.4,24.2,23.5,22.4,21.7,20.3,16.5
1908,16.9,16.7,16.5,20.6,22.4,23.5,24.1,23.6,22.4,21.3,19.3,17.6
1909,16.6,17.5,17.3,21.1,22,24,24,23.9,22.8,21.6,19.5,17.3
1910,17.2,16.8,16.8,20.7,23,23.9,24.2,23.8,21.8,20.8,19.5,16.1
1911,15.8,16.7,17.4,21,22.5,24,24.1,24,22.6,20.9,20.5,18.7
1912,16.3,17.3,18.3,21.2,24.1,24.5,24.1,23.3,22,20.7,18.6,17.1
1913,15.8,17.3,17.2,21.6,22,23.5,23.6,23.3,22.2,20.7,19,17.1
1914,16,17.7,18,21.6,23.7,23.8,23.8,23.3,22,20.9,19.8,18.2
1915,16.3,18.5,17.8,22,22.5,24.1,24.3,24,22,21.3,19.1,16
1916,15.4,16.7,17.1,21,22.7,23.1,24.1,23.6,21.8,20.4,18.1,16.5
1917,15.5,16.8,16.2,21.3,22.5,23.4,23.6,23.2,22,20.3,18.6,16.1
1918,14.4,15.7,16.6,20.3,22.1,23.5,24.4,23.2,22.2,21.1,20,18.6
1919,16.9,17.1,18.5,21.6,22.8,23.6,23.8,23.4,22,20.4,18.9,17.5
1920,15,16.9,17.2,20.9,22.9,23.7,23.9,23.8,22.3,20.6,20,18.1
1921,15.5,16.6,17.3,20.9,22.3,23.5,23.3,23.3,21.6,20.5,18.6,17.5
1922,16.8,17.9,16.8,21.2,23.1,24,23.5,23.5,22.6,20.7,18.8,16.5
1923,15.6,15.9,17,20.3,22.3,23.1,23.3,22.8,22.1,20.8,20.1,18.2
1924,17,17.2,17.2,20.5,23.4,23.5,23.2,23.4,23.4,21.3,19.5,15.6
1925,15.9,15.8,17.1,19.5,22.9,23.4,23.9,23.6,22.5,20.4,19.7,16.1
1926,16.5,17.4,17.1,21.6,23.4,23.4,24,23.4,22.3,20.5,19.2,17.7
1927,15.9,16.9,17,19.9,22.1,23.3,23.5,23,21.8,20.5,19.9,17.8
1928,18.6,16.5,18.6,21,23.4,23.9,24.2,23.9,22,19.4,18.5,18.9
1929,18,17.8,17.2,21,24.2,24,23.6,23.2,22.2,20.7,18.9,18.5
1930,13.5,16.9,16.5,21.8,23.1,24.1,24,23.3,21.9,20.5,19.8,18.4
1931,17.3,17.9,18.7,22.7,23.5,24.6,23.9,23.5,21.5,19.3,18.5,17.8
1932,15.2,16,15.9,21,23.9,24.3,23.4,23.7,21.2,20.2,19.1,16.6
1933,14.5,17.8,16.5,21.4,23.1,24.5,23.7,23.7,21.8,20.1,18,17.7
1934,14.8,16,16.2,20.1,22.9,23.8,23.4,23.5,22.3,19.5,19.7,16.9
1935,17.3,18.3,18.7,21.7,23,24.2,24.1,23.4,21.7,21.3,20.3,17.4
1936,15.8,17.3,15.7,21.7,22.6,23.9,23.9,23.1,21.8,19.4,19.1,18.4
1937,17.1,17.4,19.3,21.9,23.2,23.8,24,23.4,21.9,20.3,19.1,17.7
1938,16.2,16.6,15.8,20.4,22.8,24.1,23.8,23,22,20.4,19.1,17.6
1939,15.4,17.8,17.8,20.2,21.9,23.4,23.9,23,21.7,20.5,19.9,14.5
1940,14.4,16.8,17.6,19.7,22.8,23.6,24.1,22.6,22.4,20.7,19.5,18.5
1941,19.3,19.5,17.8,20.8,22.9,23.5,24.5,23.7,21.8,20.7,19.6,17.8
1942,16.4,17.3,18.5,21.2,22.9,24.1,23.9,22.9,21.3,20.9,19,17.9
1943,15.7,16.9,17.7,20.6,22.7,23.8,24,23.4,22.7,22.1,19.6,17.4
1944,17.6,17.4,18.1,21.8,22.6,23.8,24.3,23.2,22.5,21.3,20.2,15.1
1945,15.2,15.5,16.8,20.3,21.4,23.5,24.2,23.6,22.1,20,20.5,16.8
1946,16.3,17.1,18.4,21.7,22.9,24.5,23.4,23,22,20.1,19.7,18.1
1947,19.2,16.3,17.1,19.4,22.9,23.6,24.2,23.5,22.3,20.1,18.6,17.2
1948,16.1,18.3,17.9,20.2,22.4,23.7,23.7,23.3,22.7,21.7,17.8,19.6
1949,15.1,17.5,18,21.2,23.6,23.7,24.3,23.8,22.6,21.5,19.9,19.4
1950,18.1,17.1,17.7,20.4,22.5,23.6,24.2,23.3,22.2,21.6,20,16.3
1951,16.1,17,16.5,21.2,22.6,23.4,23.6,23.7,22.3,21.2,20.4,18
1952,16.9,18.1,19.1,21,23.4,23.8,24.2,23.6,22.2,21,19.3,16.1
1953,16.3,17.3,17.9,19.8,22.4,23.6,23.9,23.7,22.5,21.7,20.4,18.3
1954,18.7,16.8,15.7,21.2,22.6,23.9,24.3,23.7,22.4,20.3,18.8,16.6
1955,14.2,17.3,17.9,20.2,22.8,23.3,24,23.2,22.3,20.7,18.9,16.3
1956,14.5,18.1,17.8,21.5,22.6,23,23.9,23.2,22.3,20.4,18.2,16.4
1957,15.7,15.8,16.9,21,22.7,23.6,23.9,23.6,22.2,20.7,19.6,18.5
1958,16.8,16.4,18.7,21.8,23.6,23.9,24.3,22.9,22.4,20.5,18.4,16.5
1959,15.8,18.5,16.2,21,22.6,24.4,24,23.6,22.3,20.1,19.8,19.3
1960,16.2,16.6,19.3,20.9,22.5,23.8,24,24,22.3,21.2,20.7,17.2
1961,15.3,16.8,18.3,21,22.2,23.7,24.1,23.6,22.3,21,19.8,18.6
1962,14.8,15.8,16.6,20.4,22.8,23.5,24.3,23.6,22.7,21,19.3,16.6
1963,12.2,15.5,16.3,20.9,23.3,23.1,23.9,23.8,23,21.5,21.1,17.2
1964,17.8,15.8,16.9,21.7,21.8,23.5,24.4,23.7,22.5,21.8,18.7,16.7
1965,14.9,18.8,16.9,21.1,22.7,23.5,24,23.8,21.5,21.6,20.7,18.8
1966,18.6,19,19.2,21.7,22,24,24.2,23.6,21.1,21.8,20,20.2
1967,15.8,15.9,17.7,21.1,23.3,23.9,23.9,23.9,22.2,19.8,20.1,16.2
1968,16.7,15.2,17.1,20,22.7,23.5,24.9,23.7,22.4,20.4,20,19.2
1969,18.7,17.2,17.8,21.2,23.4,23.8,24.3,23.8,22.6,21.3,18.7,16.4
1970,16,17.8,17.4,20.3,22.8,24.1,24.1,22.9,22.2,20.2,19.2,19.1
1971,14.7,15.7,16,20.5,23.4,23.3,24.3,23.5,22.7,20.2,17.8,17.8
1972,15,17.9,16.5,19.6,22.7,23.7,24.1,23,22.3,22.4,21.3,19.2
1973,17.2,19.3,19.5,23,23.9,24.2,24.4,23.9,22.5,20.7,18.8,16.4
1974,15.5,15.7,15.8,20.4,22.5,23.6,24.3,23.6,22.3,20.4,18.7,17.8
1975,17.1,18,18.6,21.4,23.1,23.3,24.1,23.4,22.5,20.9,18.6,15.3
1976,15,18,16.7,21.3,22.8,23.2,24,23.4,22,21.1,17.8,17.7
1977,15.7,14.9,16.4,21,22.9,24.8,24.2,23.7,21.8,20.9,19.3,18.6
1978,17.7,17.5,19,20.6,22.2,23.6,23.9,23.1,21.9,20.1,19.6,18.3
1979,18.7,19,19.2,20.9,22.1,23.6,24.5,23.5,22,19.6,18.8,18
1980,17.5,16.8,19.6,21.8,22.6,23.7,24.3,23.8,22,21.3,20,18.5
1981,16.1,18.5,18.7,21.7,22.6,23.3,24.1,24.4,23,21.3,20.2,16.4
1982,16.2,17.9,18.2,20.2,22.5,23.4,24,23.4,21.9,21.3,21.1,16.1
1983,15.9,17.7,17,22.7,23.8,23.9,25.1,23.8,23.1,21.6,18.4,17.1
1984,14.4,15.9,16.5,22,21.9,23.3,23.7,23,21.4,20.3,19.6,17.3
1985,15.9,18.4,15.8,19.1,22.1,23.8,23.2,23.1,21.5,20.7,20.9,17.6
1986,15.5,17.5,16.6,20.9,22.3,23.3,23.8,23.4,21.6,21,19.1,17.6
1987,16.9,17.8,19.1,20.6,22.9,23.9,24.5,24,22.1,21.9,20.6,15.7
1988,18,18.2,16.7,19.3,23,23.5,24.1,23.4,22.2,20.4,18.1,17.2
1989,17.4,16.4,16.7,21.7,22.7,23.5,24.4,23.8,22.7,21.3,19.7,17.4
1990,17.9,18.2,17.2,21.3,21.7,23.9,24.1,24.2,22.6,21.5,20.6,18.8
1991,18.5,18.3,19,21.9,23.5,24.1,24.5,23.5,22.9,21,19.4,18.9
1992,16.5,18,18.8,22.5,23.7,24,24.2,23.6,22.6,20.3,19,19.2
1993,16.1,17.6,18.1,21.3,23,24.3,24.1,23.7,22.4,20.7,19.8,17.6
1994,17.5,19,17.2,22.3,23.9,23.9,24.4,23.7,22.5,20.3,19.8,20.2
1995,16.9,16.9,17.2,22.5,23.2,24.5,24.3,24.1,22.5,21.3,19.8,17.7
1996,17.3,15.6,17.5,20.4,22.3,24.1,24.9,24,22.5,21.7,21.1,17.7
1997,17,17.6,17.5,20.7,22.9,23.7,24.4,24.1,22.3,22.2,21,19.7
1998,18.5,19.6,19.3,22.3,23.5,24.8,24.7,24.2,23.2,21.8,21.1,18.8
1999,17.5,18,18.7,21.6,22.5,23.8,24.8,24.4,22.9,22.1,20.5,16.6
2000,18,17.2,17.7,21.8,22.7,23.9,24.5,24.5,22.7,21.9,19.5,19.7
2001,19.3,17.9,18.1,23,23.3,23.9,24.6,24.1,23.4,22.2,19,18.7
2002,17.6,18.5,19,22.4,23.1,24.4,25.1,24,22.4,21.6,20.6,20.5
2003,17,19.2,18.1,22.4,23.3,24.2,24.6,24.3,22.5,21.7,20.8,18.5
2004,18.1,17.7,18.3,21.5,23.8,24.3,24.9,24.7,22.8,20.9,20.7,18.5
2005,17.9,19.7,16.8,21.9,23.5,24.9,25,24.3,23.6,20.3,21.5,18.9
2006,18,19.1,18,22.3,23.3,24.5,25.6,24.2,22.8,22.1,20.8,19.5
2007,17.3,19,19.1,20.5,22.3,23.1,24.5,22.7,22.6,21.1,18.9,19.7
2008,16.6,14.4,16.9,21.5,21.9,23.5,24.7,23.4,22.8,22.1,20.1,18.2
2009,15.7,20.1,18.3,21.4,22.4,24.1,24.2,24.6,22.7,22.4,19.2,18.9
