1901,10.4,14,16.4,20.6,21.4,22.6,22.4,22.2,22.2,21.3,17.7,13.3
1902,11.6,13.5,17.1,20,21.3,22.1,22.2,21.9,22.3,20.1,16,12.7
1903,10.8,13.1,17.5,21.3,22.1,22.4,22.6,21.9,22.6,21.8,18.6,13.3
1904,10.8,12.5,17.5,20.3,21.3,22.3,22.5,22.3,22.9,20.9,17.9,13.8
1905,10.7,11.3,16.7,19,21.9,22.3,22.9,22.3,23.2,21.6,17.9,14.5
1906,12.3,13.4,15.7,21.6,22.5,22.6,23.2,22.3,23.6,21.5,17.8,14.3
1907,13.1,12.7,16.1,19.2,21.5,22.2,22.1,22.5,22.8,20.8,17.5,13.7
1908,11.6,12.9,16.5,21.2,21.6,22.3,22.2,22.1,22.5,20.3,17.6,13
1909,12,13.9,17,19.5,21.9,22.1,23.3,22.4,23.2,22.3,18.7,14
1910,11.9,12.7,16.1,19.1,21.4,22,21.9,22.6,22.9,21.1,17.4,12.3
1911,11.9,12.6,16,19.5,21,22.1,22,22.2,22.6,20.3,16.5,12.8
1912,11.2,13.7,17.6,19.6,21.9,22.5,22.4,22.3,22.4,20.8,18.2,13
1913,12.3,15.3,17.2,21,21,22.3,22.7,22.3,22.4,21,17.5,13
1914,11,13.8,17,19.3,21.7,22.2,23,21.9,22.5,19.3,17,13.9
1915,13,12.8,17.4,20.2,21.2,22.3,22.7,22.4,22.7,22.4,19.3,13.5
1916,11,13.4,17.2,19.6,22.1,22.3,22.3,22.6,23,21.8,18.7,13
1917,10.7,13.2,15,19,20.7,22,22.6,22.5,22.8,21.4,19,13.3
1918,10.6,13.6,16.6,19.2,21,21.3,22.5,22.2,22.6,20.8,17.1,13.7
1919,12.8,14.4,17.1,19.4,21.5,22.4,22.6,23.2,22.2,21.1,18.7,14
1920,12.4,12.8,16.8,19.3,20.7,21.9,23.2,22.1,23,21.2,18.1,14.5
1921,13.1,13.9,17.7,20.2,21.9,21.8,22.7,22.7,23.1,20.4,17.9,13.5
1922,12.4,14.2,17.2,20.1,21.8,22.4,22.7,22.6,23,20.8,18.7,13.9
1923,12.1,13.3,15.7,20.6,21.8,22.9,22.5,23,22.4,20.8,18.5,14.6
1924,12.5,13.4,17.9,20.9,21.3,22.7,22.6,22.4,22.1,21.8,19,13.8
1925,11.3,12.1,16.2,19.9,20.8,22.3,22.5,22.1,22.3,20.3,17.3,14.1
1926,12.1,13.6,16.9,19.4,21.4,21.9,23,23.1,23.2,21.5,17.3,15.1
1927,11.9,13,15.1,20.3,21.1,22.7,23.2,22.9,22.7,21.4,17.2,13.8
1928,12.5,15.2,16.4,20,21.2,22.2,23.3,22.8,23,21.2,16.6,14.2
1929,12.3,13.7,16.5,20.2,22.1,22.2,23.3,22.5,23,20.9,16.8,12.8
1930,10.2,12.6,16.8,19.9,21.8,21.6,22.4,22.3,22.5,20.4,18,13
1931,12.5,13,16.3,20.9,21.3,22.4,22.9,23.1,22,21,16.3,13.9
1932,11.1,12.3,16.7,19.8,21.6,22.5,22.4,22.8,22.8,21,18.4,13.2
1933,11.1,12.9,16.5,19.4,21.4,22.2,22.3,22.1,22.3,21.1,16.7,12.8
1934,11.3,13.1,16.8,20.7,21.8,21.9,22.3,22.2,22.9,20.4,16.9,12.1
1935,10.6,13.4,16.3,19.9,22.7,22.1,22.4,21.9,22.2,20.7,17,14.2
1936,12,12.2,17.1,20.5,21.8,21.9,22.3,22.5,22.2,20.3,17.4,14.3
1937,11.4,13.2,15.3,20.3,21.3,23.1,22.6,22.8,22.5,20.5,16.9,14.2
1938,12.7,11.8,18.3,21.1,21.1,22.6,22.2,22.4,22.7,21.3,15.8,12.9
1939,12.2,12.9,16.6,22.4,21.4,22.3,22.2,22,22.2,20.7,17.6,12.7
1940,10.5,12,16.7,20.5,21.4,21.9,22.2,22.5,22.8,21,17.8,13.3
1941,11.2,12.8,18.1,21.1,22.2,22.6,22.9,22.7,22.9,20.8,16.4,14.7
1942,11.8,13.7,17.7,20.2,22.4,22.6,23,22,22.1,20.8,18.5,13.2
1943,12.5,11.9,16.7,18.9,21.5,22,22.4,21.8,22.4,21,17,13.5
1944,12.2,12.5,16.6,19.6,21.9,22.5,22.7,22.4,22.2,20.9,15.8,12.5
1945,11.2,12.2,17.1,19.7,21.1,22.5,22.6,22.5,22.7,20.9,17.1,13.9
1946,11.2,14,16.8,18.9,21.6,22.5,22.4,22.4,22.3,20.7,17.5,15.3
1947,12.3,12.9,17.5,21.2,22.4,22.6,22.7,22.5,23,20.4,16.7,14.8
1948,12.1,14.1,16.4,18.9,21.1,22.7,22.2,22.2,22.1,20.4,17.9,13
1949,12.2,13.1,16.8,18.5,20,22.3,21.9,22.4,22.4,21.8,17.6,11.7
1950,11.9,13.3,16.6,19.7,22.1,22.4,22,22.1,22.7,21.8,17.9,13.3
1951,10.8,12.3,16.4,19.1,21,21.7,22.3,22.4,22.2,21.5,17.4,14.8
1952,11.5,13.3,15.6,19.6,21.5,22.4,22.5,22.2,22.2,21.9,17.5,12.8
1953,11.5,13.1,18.4,20.9,21.2,22.2,22.2,21.8,22.3,21.3,17.4,14.7
1954,11.1,14.7,17.1,22,22.2,22,22.3,22.5,22.6,20.8,16.3,14.4
1955,11.6,12.1,16.7,19.9,21.9,22.3,21.8,22,21.9,21.4,18.9,12.9
1956,11.8,12.5,17.8,20.6,21.7,21.9,22,22.2,22.1,21.2,18.2,13.6
1957,12.4,12.8,15.8,20.6,22.5,22.2,22.4,21.9,21.2,19.8,15.7,13.1
1958,12.8,11.7,16.9,20.4,21.7,22.5,21.4,21.6,21.4,20.9,16.6,14.2
1959,12.5,11.9,15.4,20.2,21.3,22,21.8,21.6,21.9,20.4,16.1,12.2
1960,11.9,13.3,14.4,21.2,22.2,22.1,22.2,21.9,22,20.6,16.8,14.5
1961,11.1,11.7,17.5,20.6,21.7,22.3,21.6,21.9,21.8,20.8,16.4,11.5
1962,10.2,13.9,16.3,20.5,21.4,21.7,22.3,21.8,22,21,16,12.7
1963,10.1,13.5,17,19.6,20.9,22.1,22.2,22.1,21.9,20.9,17,13.6
1964,11.9,13.3,17.8,20.7,21.9,22,21.5,22.2,22.7,21.8,18.3,14.1
1965,11.9,13.2,16,20.5,21.4,21.7,21.7,21.5,21.5,21,17.3,15.7
1966,13.3,13.7,17.1,20.6,22.5,22,22.1,21.7,21.9,20.4,18.7,14.5
1967,13.6,13.1,16.8,19.4,21.4,21.5,21.6,21.4,20.9,20.3,15.4,13.4
1968,11.2,12.4,16.4,19.5,20.6,21,21.6,21.3,21.9,20.5,17.8,13.2
1969,10.7,12.3,16.8,19.3,22.8,21,22.4,21.5,21.8,20.9,17.8,13.5
1970,11.7,13.8,17.8,20.8,22.1,22.4,22.1,22.3,22.6,21.5,17.8,13.4
1971,12.7,13.1,15.6,19.9,21.5,21.9,22,21.7,22,21.5,16.3,12.9
1972,11.9,12,16.5,19.2,22.2,22.7,22.9,22,22.2,20.7,18.3,13.4
1973,12.6,14.4,16.6,21.1,21,22.6,22.7,22.4,22.9,21.9,18.4,13.8
1974,11.7,12.7,17,20.6,21,21.9,21.9,22.2,22.4,22.3,20.2,13.1
1975,12.3,14,18.5,21,21.6,22.8,22.2,23,22.4,22,17.8,13
1976,12.3,13.8,18.2,20.9,21.2,21.7,22.4,22,22.6,21,19,13.9
1977,12.4,13.7,19,19.3,20.6,21.3,22.2,22.7,22.8,20.7,19.5,14.9
1978,11,14.6,16.9,20.1,21.7,22.1,23,23.2,22.2,21.9,18.7,15.3
1979,12.9,14.4,18.3,21.4,23.3,22.9,22.5,21.7,22.4,21.1,18.9,15.4
1980,12.2,13.5,17.6,21.6,21,22.5,22.3,21.8,22.7,20.8,17.9,15.2
1981,13,13.5,16.3,19.6,22.1,22,22.7,22.6,22.6,21.9,19.1,14.9
1982,12.6,14.7,17,20.2,22,22.2,22.3,22.2,22.4,21.9,18.1,13.3
1983,12.9,14.5,18.1,20.1,21.8,22.3,23.3,22.2,23.6,21.6,18.7,13.6
1984,12.3,13.1,16.5,19.8,20.6,21.2,21.5,22,22.1,21.1,17,14.1
1985,12.7,12.4,18.5,21.7,21,22.3,21.8,21.8,22.2,21,16.9,16.1
1986,12.9,14.4,17.1,19.7,20.7,22.3,21.7,22.2,22.1,20.4,17.8,13.9
1987,12.7,14.6,17.2,20.3,21.9,22.7,23.4,22.8,23,20.4,19,14.6
1988,13.1,14.5,18.2,21,22.1,21.9,22.7,22.4,22.7,21.9,19.5,16.2
1989,11.5,14.2,17.2,21.1,22.2,22.3,22.4,22.5,22.5,21.2,16.5,13.5
1990,13.1,15.7,19.5,20,21.9,22.9,22.9,22.8,23.1,21.3,20.4,15.5
1991,11.5,15,19.6,20.9,22.2,21.8,22.3,22.3,22.2,21.5,17.2,13.8
1992,11.4,13,18,20.5,21.4,22.4,22,22.4,22.2,21,18.2,13.2
1993,12.6,13.9,16.3,19.8,20.7,22,22.5,22,21.9,21.1,17.4,13.8
1994,11.9,13.7,17.5,20.6,22.5,22.5,22.3,22.5,22.5,20.7,18,13.5
1995,12.1,13.4,17.3,21,22.9,22.9,22.3,22.5,22.4,21.9,19,14.2
1996,12.2,14.1,18.4,20.5,22,22.3,22.3,21.9,22.7,20.8,18,15
1997,11.4,12.8,17.8,18.9,21.8,22.3,22,22.6,22,20.4,19,14.7
1998,11.9,13.8,15.8,20.5,22.1,22.6,22.3,22.5,23,22.5,20.5,14.9
1999,12.6,16,18.4,22.8,21.3,22.2,22.1,21.9,22.1,21.8,18.1,14.5
2000,11.6,14.5,16.5,20,20.6,21.6,22,21.8,21.8,21,17.8,13.8
2001,12.2,15,18.1,21.8,22.2,22.1,22,22.4,22.8,22,18,14.8
2002,13.1,14.3,18.1,21,21.4,22.7,22.7,21.8,22.3,21.3,18.6,15.4
2003,11.7,14.4,16.4,20.3,21.7,22.1,22.6,22.5,22.9,21.7,17.5,14.4
2004,13.1,13.6,18,21.1,22.6,22.6,22.2,22.1,22,20.7,18.1,14.6
2005,12.4,15.3,18.9,20.6,21.3,22.9,22.2,22.3,21.7,21.3,17.7,14.9
2006,12.4,16.1,18.7,20.6,21.4,22.4,22.3,21.9,22.7,21.8,18.5,15
2007,12.3,13.9,16.9,21.1,21.8,22.4,22.4,22.6,22.6,21.5,18.3,14.3
2008,13.8,13.3,18.5,21.1,22.3,22,22.4,22.4,22.6,21.8,18.2,15.2
2009,13.6,15.4,18.5,21.8,21.9,23,22.8,22.7,23.3,21.7,18.9,14.7
