1901,13,15.8,19.7,22.7,22.8,24.7,24.8,24.9,24,23,18.5,14.8
1902,14.4,15.6,20.8,20.6,22.4,23.5,24.1,24.6,23.9,21.7,18.1,14.3
1903,13.1,15.2,19.3,22.5,23.1,23.4,25.2,24.5,24.4,23.6,19.1,14.9
1904,14,15.7,20.4,21.3,22.1,24.3,24.4,25.1,24.5,22.4,18.2,14.6
1905,13.1,13.3,18.3,19.9,22.4,24.3,24.8,24.4,24.4,22.8,19.2,15.1
1906,13.5,15.1,18.5,22.3,23.1,24.2,25.3,24.4,25.3,22.6,19.2,15.4
1907,15.1,15.4,18.2,20.5,22.8,23.7,24.3,25.4,24.1,22.7,18.9,14.9
1908,13.8,15.7,20.2,23.8,22.9,24.3,24.9,25.1,24.5,22.7,18.5,14.7
1909,14.2,15.6,21.6,21.5,22.8,23.8,25.2,24.6,25.3,23.4,20,15.5
1910,14.2,16,19.5,21.1,22.4,23.6,23.8,24.8,24.9,22.5,18.9,14.8
1911,15.1,15.3,19.2,21.5,22.1,24,24.4,24.6,24.2,21.8,17.8,14.1
1912,14.4,16.2,18.9,19.7,22.9,24,24.3,24.7,24.4,22.4,18.7,14.9
1913,14.5,16.5,18.6,22,21.9,23.5,24.9,24.9,24.3,22.4,17.9,14.4
1914,14.1,16,19.6,20,23.1,24.7,25.1,24.6,24.1,21.3,18.5,15.5
1915,15.4,16,19.4,21.7,22.4,23.6,24.6,25.1,24.3,24.6,20.7,15.6
1916,14.3,16.1,21.1,21.5,23.5,24.6,24.1,24.9,24.6,22.6,19.4,14.6
1917,13.8,15.6,19.1,21.6,23.3,24,24.6,25.1,24.4,22.5,19.4,15.2
1918,13.7,15.6,20,21.4,23.9,23.3,24.2,24.4,24.4,22.5,18.6,14.6
1919,15.1,15.6,21.5,21.5,22.9,24.7,24.7,25.7,23.8,22.7,19.6,15.5
1920,15.1,15.3,19.1,21.1,22.4,24,25.5,24.7,24.2,23.1,19.3,16.8
1921,15.1,16,20.7,21.7,23.2,23.3,24.7,25.2,24.8,21.6,18.8,15.5
1922,14.9,16.8,21.3,24.1,23.9,23.8,24.8,25,24.6,22.5,19.4,15.4
1923,15.1,15.6,20.9,22.4,22.7,23.9,24.7,25.4,24.5,22.4,19.4,15.7
1924,14.6,15.9,22,23.2,22.7,24.3,24.7,24.8,23.8,23.6,19,15.5
1925,12.9,14.7,20,21.6,21.7,24.4,24.6,25.1,23.7,21.7,18.6,14.2
1926,14.2,16,18.9,21.3,22.8,23.9,24.4,25,24.7,22.9,18.1,15.9
1927,14,14.9,18.1,21.7,22.4,23.9,25,24.8,23.7,22.7,18.5,15.4
1928,14.4,16.9,20.5,22.7,22.6,24.1,24.9,24.7,25,22.3,18,15.3
1929,13.8,15.3,20.6,21.5,22.6,24,24.6,24.9,24.4,22.4,18.5,15
1930,13.2,16,19.8,21.7,23.3,23,25,25,24.6,22.2,18.8,15.2
1931,15.6,17,20.3,22,22.3,24,24.3,25.6,23.4,23.2,18.4,15.7
1932,14.2,14.2,20.3,22.3,21.7,23.6,24.7,25.1,24.7,23.3,20.2,15.9
1933,13.7,16.6,21.4,21.4,22.4,24.3,24.8,24.9,24.6,23.3,19,15.6
1934,14.6,16.4,20.5,22.5,22.1,23.1,24.6,25,25.4,22.3,18.6,15.1
1935,13.7,16.3,20.5,22.4,22.8,23.3,25.1,24.4,24.4,23.1,19.7,15.2
1936,13.4,15.2,20.6,22.5,23.3,23.8,24.7,25.3,24.5,22.1,20.3,15.9
1937,13,16,19.5,23.3,23,24.5,25.4,24.8,24.6,22.9,18.6,16.1
1938,15.5,15.4,21.2,23.9,23.3,24.3,24.4,25.1,24.6,23.5,17.7,15.7
1939,15.1,16.6,20.7,24.6,23.3,24.1,24.4,25.3,24.3,22.5,19.4,15.8
1940,14.3,16,18,22.5,22.9,24.1,24.6,25.4,24.4,23.2,19.6,16.2
1941,14.2,16.4,21.4,22.6,22.9,24.2,25,25.5,24.6,22.5,18.3,16.6
1942,14.8,17,20.4,21.9,23.1,24.3,25.3,24.8,24.2,23.5,20.1,15.4
1943,15.5,15.7,19.3,20.2,22.7,24.1,24.4,24.6,24.4,22.8,20.2,16.7
1944,14.5,15.9,21,22,24.1,24.8,25.1,25.7,24.4,23.6,19.5,16.9
1945,15.1,15,21.3,23.6,23.1,24.6,25.2,24.9,25.3,23,19.4,15.7
1946,15.3,17.5,20.3,21.2,22.8,23.8,24.4,25.3,24.4,22,19.8,16.1
1947,14.6,16.8,20.2,22.4,23.1,24.1,24.3,24.9,24.5,22.1,19.1,16.4
1948,15,16,20.2,22,22.1,23.6,24.2,24.8,24.7,21.9,19.2,15.1
1949,14.8,16,20.5,20,22.7,23.9,24.7,24.8,24.4,23.6,19.2,14.3
1950,14.7,16.2,20.2,22.8,23.6,23.3,24.9,24.3,24.8,22.8,19.2,16.2
1951,14.3,16.6,20.8,21.5,22.5,23.6,24,25.3,24,23,19,15.8
1952,15.1,17.5,18.8,22.5,21.4,24.8,24.6,24.7,24.1,23.3,19.7,16.1
1953,13.8,16.7,20.2,21.9,22.9,23.7,24.1,25.2,23.6,22.3,18.4,16.4
1954,13.4,17.3,20.8,22.5,23.1,23,24,24.3,24.5,21.7,18.3,15.6
1955,14.3,16.4,21.4,21.9,23.3,23.4,23.7,23.9,24.5,23.5,18.8,14.6
1956,15.1,17.2,21.2,23,23.4,23.4,24.5,24.9,24.5,23,19.6,15.9
1957,15.1,15.3,20.2,23.4,22.9,23.9,25,25.5,25,22.6,19.7,16.1
1958,15.9,16.3,21.9,22.9,22.9,25.3,25.7,24.9,25,23.7,20,16.7
1959,14.4,15.4,20.2,23.1,23.3,24.6,25.4,24.9,24.3,22.2,19.2,15.9
1960,14.7,18.4,20.1,25.1,24.4,24.7,24.5,25.7,24.4,23.8,19.6,16.3
1961,15.9,15.5,20.7,23.4,23.3,24.4,25.4,25.4,25,23.6,19,14.8
1962,13.8,16.8,21.2,24.3,23,24.1,25.9,25,25.2,22.8,18.8,15.8
1963,14.4,16.9,20,21.6,22.2,24.2,24.9,25,25.1,22.5,18.6,15.9
1964,13,15.8,20.7,21.3,22.7,23.7,24,25.1,24.5,23.2,19.8,15.6
1965,14.6,15.6,18.8,21.6,22.9,23.7,24.4,23.7,24.1,22.6,18.3,16
1966,14.6,17.3,20.7,22.9,24,23.4,24.7,24.7,24.2,21.8,19.9,15.5
1967,14.6,16.4,18.8,20.8,22.4,23.5,24.3,25,23.8,22.1,17.6,15.5
1968,14.1,14.4,19.9,21.3,22.5,23.2,24.1,25.2,24.5,22.3,19.3,15.6
1969,13.9,16.1,21.1,22.8,23.9,24,24.7,24.3,24.3,22.6,18.9,15.8
1970,13.6,15.9,20.1,22.7,23.6,24.6,24.3,24.9,24.4,22.4,19.3,15.7
1971,14.1,15.5,19.3,21.1,22.6,24.1,24.3,24,24.1,22.7,18.2,15.3
1972,15,14.8,20.5,21.3,23,23.7,24.6,24.5,24.2,23,19.1,15.6
1973,15,17,19.1,23.2,22.7,23.7,24.8,25,24.2,23.1,19.2,15.3
1974,13.5,16.2,19.5,22.2,22.9,23.6,23.8,24.6,23.5,24,20.5,14.6
1975,14.2,16.1,20.9,22.7,22.8,24.4,23.8,24.9,23.9,23.4,18.8,14.4
1976,14.3,16.7,21.5,22.9,22.6,23.3,24.5,24.2,24.4,22.2,19.9,15.4
1977,13.8,16.4,21.4,20,21.4,22.9,24.8,24.2,25,21.3,19,15.6
1978,13.1,15.6,19.8,22,22.5,23.5,24.2,25.3,24.1,23.5,19,15.1
1979,14.4,15.8,20.1,23.6,24,25.2,24.1,25.3,23.7,22.2,20.4,15.6
1980,13.9,16.2,19.7,23.1,21.8,24.5,24.9,24.9,24.9,22.2,19.5,16.1
1981,14.6,16.4,19.9,20.8,22.8,24.9,24.3,25.2,24.4,23.3,19.8,15.7
1982,15.5,15.7,19.3,20.9,23.8,23.9,24.6,25,24.3,22.7,18.8,15
1983,13.3,14.6,19.2,20.9,21.9,24.6,24.9,24.7,23.7,23,19.7,14.5
1984,12.9,15.3,20.6,22.9,22,24.4,24,25,23.2,23.1,18.8,15.4
1985,14.5,15.6,20.7,22.3,22.7,24,23.6,25.2,24.1,23,18.8,16.4
1986,14.7,16.3,20.7,21.3,22.6,24.8,24.4,25.2,23.5,21.5,19.2,15.9
1987,15.1,17.5,19.8,21.9,23.5,24.7,24.1,24.5,24.2,22.9,20.3,16.5
1988,15.3,17.5,20,22.4,22.5,24.1,24.6,24.8,24.5,23.2,20.1,17.2
1989,13.7,15.6,20.3,21.9,23.6,24.2,24.3,25,24,23.3,18.7,15
1990,16.1,16.2,18.3,20,23.5,24.4,24.5,25.3,24.3,22.2,20.7,16.4
1991,13.6,16.7,20.7,21.3,21.1,23.7,24.6,24.9,23.9,22.6,18.7,14.6
1992,13.6,14.5,19.6,22.6,21.9,24.1,24,24.8,24,22.3,19.1,14.3
1993,13.7,16.4,18.7,20.8,21.9,23.4,24.3,24.9,23.8,22.7,19.6,16.8
1994,15.3,15.5,19.7,21.7,23.7,24.1,25.4,25.5,25,22.3,19.3,15.2
1995,14.3,16.5,21.5,22.5,23.8,24.2,24.4,24.8,24.1,23.5,20,15.9
1996,14.9,17.3,21.3,23.5,22.6,24.1,24.4,24.9,24.5,22.8,19.9,16.1
1997,14.5,15.1,20.6,20.9,23.1,24,25,25.2,23.8,22,19.6,15.8
1998,14.3,17.8,19.4,22.4,24.2,24.2,24.4,25.1,24.8,24.3,20.8,16.4
1999,14.9,18.7,21.1,24.6,23.3,25,24.5,24.9,24.7,23.4,20.5,16.9
2000,14.3,16.4,19.1,19.5,23.4,24.4,25.1,24.8,24,23.4,19.5,15.5
2001,14.2,17.1,20.4,22.8,23.5,24.7,25.4,25.9,24.9,23.2,20.4,16.2
2002,14.8,17.1,20.7,20.9,23,24.2,24.6,25.1,24.6,23.2,20,16.8
2003,13.1,16.6,19.1,21.9,23.3,24.2,25.2,26.1,25.3,23.7,20,16.3
2004,14.6,16.6,21.9,20.7,23.7,24.6,24.2,26,24.8,22.2,19.5,16.3
2005,14.3,17.9,20.6,21.9,22.4,25.4,25.1,25.5,25.6,22.7,19.9,16.6
2006,14.4,19,21.8,22.4,24.1,24.3,25.9,26.3,25.1,23.7,20.1,16.7
2007,14.4,16.2,20.5,22.4,24.4,25.1,25.1,25.8,25.1,24,21,16.9
2008,15.2,15.1,20.9,23,24.5,24.8,25.6,25.6,25.4,23.8,19.7,17.9
2009,15.9,18.8,21,23.6,24.1,25.5,25.9,25.8,25.6,24.2,20.6,16.8
