1901,10.7,13.3,17.5,20.1,20.9,23.2,22.8,22.5,21.4,20.7,16,13.1
1902,13.1,14.2,18.1,18.4,20.4,22.6,22.1,22.4,21.5,19.6,16,13.2
1903,11.2,13,16.5,19.7,21.4,22.5,23.4,22.2,22.2,21.3,16.8,13.4
1904,12.3,13.7,17.8,18.7,20.5,23,22.7,22.7,22.4,20.6,15.9,13.3
1905,11.2,11.5,15.5,17.7,21,23.2,22.9,21.8,22,20.6,17.2,13.6
1906,11.5,13.1,16,19.6,21.5,23,23.6,21.9,23.2,20.3,17.2,13.8
1907,13,12.9,15.3,18,21,22.3,22.6,23.4,22,21.3,16.8,13.2
1908,11.4,13.2,17.7,21.2,21.2,23.4,23.3,23.2,22.2,21.1,16.5,13.3
1909,12.3,13.4,19.6,19.2,21.2,22.4,23.3,22.2,23.4,21.3,17.7,13.8
1910,11.9,14,17,19.1,20.8,22.4,21.8,22.8,22.7,20.2,16.8,13.5
1911,13.2,13.1,16.5,19.2,20.7,22.8,22.5,22.4,21.6,19.6,15.7,12.8
1912,12.5,13.9,16.2,17.4,21,22.8,22.2,22.5,22.1,20.5,16.2,13.5
1913,12.2,13.2,15.5,19.2,20.3,22,23,22.8,22.3,20.4,15.7,12.9
1914,12.4,13.9,16.9,17.7,21.2,23.5,23.3,22.3,21.8,19.6,16.6,14.1
1915,13.1,13.8,17,19.1,20.5,22.4,22.6,22.6,21.9,22.3,18,13.9
1916,12.2,13.6,18.8,19.1,21.3,23.1,22.1,22.4,21.9,19.9,17,12.9
1917,11.7,13.6,16.5,18.8,21.5,22.6,22.6,23,21.8,20,16.9,13.6
1918,11.4,13.3,17.1,18.8,22.2,22,22.2,21.8,22.2,20.4,16.3,12.8
1919,12.6,12.9,18.6,18.9,20.9,23.4,22.8,23.6,21.8,20.6,17.2,13.7
1920,12.6,13.5,16.1,18.4,20.3,22.6,23.4,22.8,21.8,20.9,17.2,15
1921,12.4,13.4,18,19.1,21.3,21.9,22.5,22.9,22.2,19.3,16.7,13.4
1922,12.7,14.6,18.8,21.4,22.3,22.4,22.7,22.7,22.1,20.6,16.8,13.5
1923,12.8,13.5,18.5,19.9,20.7,22.8,22.8,23.4,22.1,20.4,16.9,13.6
1924,12.6,13.4,19.4,20.7,20.5,23.1,22.5,22.5,21.3,21.4,16.8,14.3
1925,11.3,12.1,17.6,19.2,19.7,22.9,22.7,22.8,21.2,19.5,16.4,12.3
1926,12.2,13.8,16.1,18.6,21.1,22.7,22.5,22.6,22.2,20.7,15.9,13.9
1927,11.5,12.7,15.6,18.8,20.7,22.4,23.2,22.9,21.3,20.8,16.3,13.7
1928,11.9,14.4,17.9,20.1,20.9,22.9,23.2,22.5,22.7,20.2,15.9,13.1
1929,11.2,12.9,18.2,19.2,20.5,22.2,23,22.8,22.2,20.3,16.5,12.9
1930,11.4,13.7,17.2,19,21.6,21.5,23.4,22.9,22.3,20.2,16.5,13.5
1931,13.2,14,17.6,19.2,20.3,22.6,22.3,23.6,21.2,21,16.2,13.9
1932,12.4,12.2,17.9,19.9,19.7,22.3,22.9,22.7,22.4,21.1,17.9,14
1933,11.5,14.2,19.2,19,20.6,22.9,23.1,23,22.6,21.5,17.1,14.1
1934,12.3,14.1,18,19.7,20.2,21.8,22.8,23,23.2,20.2,16.4,13.9
1935,12.5,14.2,18.7,19.9,22.6,24.2,23.4,22.3,22.9,21.9,18.1,14.4
1936,12.3,12.3,18.3,20.3,21.5,22.2,23.2,23.1,22.6,19.4,18.4,13.4
1937,11.9,13.5,17.5,20.7,20.8,23.6,24.2,22.1,23.2,21.2,16.6,14.9
1938,13.4,12.7,18.8,21.4,20.7,23.4,22.5,23.5,23.5,21.6,15.3,14.1
1939,13.2,14.3,17.7,21.6,21.8,22.6,22.5,23.1,22.2,20.3,17.1,14.3
1940,12.6,13.8,14.9,19.7,21.1,23.1,23.2,23.3,22.4,21.6,17.1,14.3
1941,11.7,13.9,18.9,19.7,20.9,21.6,23.2,23.1,23,19.6,16.5,15.5
1942,12.9,14.7,17.9,19.3,21.4,23.7,23.6,23.4,22,21.8,18.3,15.1
1943,13.5,13.9,16.3,17.4,21.9,23,22.5,23.1,23.2,21.8,20.3,15.3
1944,11.8,13.8,18.2,18.4,22.5,25,23.6,24.5,22.9,22.3,18.3,16.9
1945,12.7,12.3,18.8,20.1,20.6,23.6,23.5,23.4,23.1,20.1,17.1,13.4
1946,14.3,14.9,17.9,18.1,20.8,23.4,23.1,24.2,23.5,19.6,18.8,15.8
1947,12.5,14.8,18,21.1,20.9,23.9,23.9,23.2,23.6,20.9,17.7,16.2
1948,11.9,13.2,16.7,20.3,20.5,23.5,22.6,23.4,22.9,19.5,18.6,13.8
1949,13.5,14.2,18.1,17.3,20.8,23.3,22.5,22.8,21.9,21.2,17.2,12.6
1950,12.9,13.4,17.4,20.3,21.8,21.6,23.6,22.9,23.2,20.7,16.6,14
1951,12.3,14.9,18.4,18.8,20.9,22.5,22,23.2,21.8,20.7,18.2,15.2
1952,14.9,15.8,16.5,20.7,20.6,23.8,22.7,22.6,21.8,22.1,19.1,14.8
1953,12,15.1,19,20.7,22,22.9,22.2,23.9,22.1,20.9,17.4,15.8
1954,12.1,16.1,19.6,23.1,23.2,22,21.8,21.7,22.2,20.7,17.6,13.9
1955,12.5,15.6,18.9,19.2,23.1,21.6,21.8,21.9,22.3,21.8,17,13.5
1956,13.8,15.7,18.4,21.8,22.9,22.2,22.4,22.5,22.5,20.7,17.8,13.1
1957,12.2,13.6,17.2,20.3,21.6,22.6,23,22.7,23.1,20.6,19,15.5
1958,13,13.2,18,20.3,20.8,23.6,23.6,22.2,23,22.9,20.3,15.4
1959,12.8,12.9,18.5,21.2,21.5,22.9,22.9,23.2,22.3,19.8,18.7,16
1960,12.5,16.1,17.3,21.9,22,23.2,22.1,22.8,21.3,21.2,18.1,16.6
1961,14.1,14.3,17.3,20.8,21.7,23,23.3,23.2,22.5,21.7,15.8,12.1
1962,12.9,13.5,18,20.4,20.3,22.7,23.5,21.8,22.5,21,18.7,14.2
1963,13.4,15.3,16.6,17.9,19.9,22.3,22.6,22.5,22.6,20.4,15.7,14.1
1964,12.7,13.9,18.3,19.4,20.1,22.7,21.9,23.1,22.1,22.6,18,15.3
1965,14.2,13.9,15.6,19.4,21.3,22.4,22.3,21.8,21.8,19.8,15.8,15
1966,10.5,14.5,18.9,20.3,22.7,22.5,23,22.5,21.5,19.3,18.6,14.1
1967,12.9,15.5,15.9,18.4,21,22.2,22.8,22.9,22,19.5,13.8,13.8
1968,10.3,12.7,17.1,19.2,21.1,21.9,21.9,23.4,22.5,18.8,15,12.2
1969,12.2,15.3,19.3,19.8,21.7,22.6,22.6,22.6,21.9,20,18.2,14.6
1970,11.6,12.7,16.6,19.9,22,23,22.7,22.8,22.3,21,16.7,15.4
1971,12.2,14,17,18.3,19.9,22.4,22.5,22.1,22.3,20,15.6,14.4
1972,14.5,13.4,18.4,18.7,22,22.9,23.6,22.7,21.7,21.3,16,14.6
1973,13.7,14.3,17.3,21.5,21.5,22.4,23.7,22.9,22.4,18.7,15.4,13.3
1974,11.3,15.1,17.7,20.9,21,22.7,21.9,22.5,21.4,22.9,19,13.5
1975,11.8,13.8,18.7,21,21.5,23,21.7,23,21.3,22.8,19.1,14.6
1976,12.3,14.5,19,20.3,20.5,22.3,22.8,22.2,22.3,20.9,20.5,15.6
1977,13.4,16.1,19.3,18.5,19.3,21.6,23.2,22.6,22.6,19.2,17.6,12.7
1978,10.1,12.9,16.4,19,21,22.7,22.7,22.5,21.6,21,17.1,14.5
1979,13.1,13,18.2,21.1,23.3,23.8,22.5,22.8,21.4,20.3,19.5,12.4
1980,12.1,14.6,17.2,20.7,20.1,23.1,23.2,23.1,22.5,20,18.5,16.4
1981,10.4,15.7,17.1,19.2,21.2,23.6,22.6,23.3,22.2,22.6,17.8,13.7
1982,14.1,13,17.2,19.3,21.8,22.6,23.2,23.6,22.7,20.2,16.5,14.6
1983,10.7,12.2,17.3,18.5,20.3,23.4,23.7,23.8,22.3,21.2,17.8,13.9
1984,12.1,14.5,20.3,20.2,21.3,22.7,21.5,22.8,20.9,22,16.7,15.4
1985,11.7,14.8,21,20.9,20.4,22.7,21,23.1,21.8,20.3,15.5,14.2
1986,13.2,14.2,17.9,18.2,19.9,23,22.3,23,21.2,19.3,17.6,12.6
1987,11.9,14.9,17,18.7,21.3,22.5,22.2,21.7,21.8,19.6,16.6,14.7
1988,14.1,15.7,18.1,19.8,20.9,22.7,22.7,22.3,22.4,21.6,17,14.4
1989,11.9,13,17.7,19.9,22,22,22.2,22.3,21.9,21.4,16.6,12.8
1990,16.8,13.1,15.5,18,21.3,23.5,22.4,22.8,22.4,19.9,18.9,14.9
1991,10.4,15.2,18.5,19.9,20.7,21.8,23.1,22.5,21.8,21.5,16.8,12.8
1992,12.8,12.1,19.8,20.8,19.3,22.4,21.8,22.6,22.4,20.8,16.7,12.6
1993,12.5,14.7,16.4,18.7,20.7,22.5,23.4,22.8,21.5,21.9,18.3,15.7
1994,13.2,12.1,18,18.8,21.7,23.6,23.8,23,23.3,21.2,15.4,13.5
1995,10.4,12.5,19.2,19.7,23.2,23.1,22.1,22.7,21.9,22,14.3,14.8
1996,14.9,14.9,18.3,20.6,21.6,22.5,22.8,23.1,20.8,20.9,18,14.3
1997,12.6,12.1,17.5,17.7,20.8,21.8,23.4,22.8,20.9,19.7,17.3,13.8
1998,14.5,15,16.4,19.1,22.8,23.6,22.3,22.1,23.5,22.6,19,13.4
1999,13.6,17.3,20.2,21.9,21.1,23.2,22.3,22.4,22.1,20.6,18.1,15.5
2000,11.9,12.9,16.3,19.1,20.4,23.3,22.6,22.3,21.8,21.1,18.5,15.6
2001,14.7,16.1,18.1,19.7,21.2,23,23.8,23,23,20.9,19.1,16.5
2002,13.2,16.1,18.5,19.2,20.1,22.8,21.9,22.9,22,21.1,18.7,15.6
2003,13.6,14,16.6,19.7,20.9,22,22.9,24.3,22.9,22.3,18.9,14.2
2004,13.7,14.9,21.1,18.7,21.9,22.5,21.5,24.3,23.6,20.2,17,15.9
2005,12.1,15.2,18.4,19.8,19.9,23.6,23.6,23.4,23.3,20.4,18.6,15.2
2006,14.6,17.7,18.8,18.9,21.7,22.9,23.8,24.5,22.4,20.9,17.6,15.7
2007,13.9,13.5,18.8,20.2,22.9,23.6,23.5,23.6,22.6,22.2,18.6,16.2
2008,13.4,13.1,18.7,20.4,21.6,22.6,23.1,23.1,22.5,21.4,18.1,16.3
2009,14.5,16.1,18.3,21.6,22.2,24.3,24.2,24.2,23.3,23.1,19,15.3
