1901,7.8,10.6,13.6,18.5,19.9,23.1,23.7,23.8,22.4,19.9,14.5,9.7
1902,9.3,10.5,15.4,16.9,19.9,22,23.1,23.5,22.3,18.7,13.7,9.5
1903,7.6,10.3,13.9,18.3,20,21.7,24,23.5,23,20.6,15.3,9.7
1904,8.4,10.5,14.9,17.6,19.4,22.9,23.4,24.1,22.4,18.9,13.7,9.2
1905,7.7,8.3,13.1,15.7,19.7,22.3,23.8,23.4,22.6,19.8,14.9,10.1
1906,8.2,9.9,13.4,18.4,20.4,22.5,23.9,23.3,23.3,19.5,14.9,10.3
1907,9.4,10.5,12.7,16.5,19.9,22.1,23.3,24,22.3,18.9,14.1,9.4
1908,8.2,10.6,14.1,19.7,20.1,22.9,23.8,23.6,22.6,19.1,13.9,8.7
1909,8.5,9.9,15.3,17.5,19.9,22.4,23.9,23.9,23.4,20.3,15.9,10.8
1910,9,10.7,14.1,17.4,19.5,22.4,22.7,23.5,23,19.7,14.5,9.7
1911,9.8,10,13.9,17.9,19.4,22.8,23.4,23.5,22.6,18.9,13.8,9
1912,8.8,11.3,13.1,15.7,20.3,22.2,23.3,23.4,22.6,19.1,14.5,10
1913,8.7,11.1,12.6,17.9,19.1,22.3,23.4,23.8,22.4,19.4,13.5,9.6
1914,8.4,10.3,14.3,15.8,20.7,23.1,23.9,23.7,22,17.8,13.8,10.4
1915,10,10.7,13.8,17.5,20,22,23.6,24,22.5,21.7,16.8,10.5
1916,8.9,10.8,15.4,17.5,20.4,23.4,23,24,23.1,19.8,15.5,9.7
1917,8.3,10.2,13.3,17.5,20.9,22.6,23.6,24,22.8,19.5,15.6,10.1
1918,8.1,10.1,14.5,17.6,22,22.4,23.1,23.4,22.6,19.4,14.3,9.2
1919,9.5,10.5,15.5,17.3,20,23.4,23.8,24.3,22.1,19.7,15.8,10.6
1920,9.7,9.8,14.3,17.2,19.5,22.2,24.3,23.3,22.5,20.1,14.9,11.6
1921,9.3,10.5,15.6,17.6,20.6,21.5,23.5,24.2,22.8,18.5,14.3,10.1
1922,9.3,11.1,15.8,20.3,21,22.6,23.6,23.9,22.8,19.3,15.1,10.2
1923,9,10.2,14.9,18.2,19.8,22,23.6,24,22.5,19.1,15.5,10.7
1924,8.3,10.8,15.7,19.1,19.8,22.7,23.8,23.6,22.4,20.5,14.7,10.2
1925,7.3,10.1,14.6,17.8,18.8,22.7,23.5,24.2,22,18.8,14.5,8.6
1926,8.3,10.6,13.6,17,19.8,21.7,23.3,23.7,23.2,20,13.4,10.5
1927,8.7,9.4,12,17.7,19.4,22.1,23.5,23.2,21.8,19.2,13.9,10
1928,8.6,11.4,14.6,18.3,19.8,22.8,23.7,23.3,23.7,19.3,13.5,9.6
1929,8.1,9.9,14.9,17.6,19.8,22.3,23.3,23.5,22.6,18.9,14.2,9.9
1930,7.8,10.9,14.1,17.5,20.4,21.3,23.4,23.7,22.4,19,15,10.2
1931,9.9,11.9,14.6,18.1,19.6,22.4,23.2,24.3,21.6,20.2,14.3,10.7
1932,8.6,9.1,14.7,18.2,19.1,22.1,23.4,23.9,23,20,16.2,10.9
1933,8,11.6,15.1,17.4,19.7,22.9,23.5,23.5,22.4,19.6,14.7,10.6
1934,8.9,11.5,14.6,18.4,19.2,21.3,23.3,23.5,23.4,19.1,14.5,10
1935,8.7,11.8,15.1,18.3,20.4,22,23.7,23.3,22.8,19.2,14.7,10
1936,8.2,10.1,15.1,18.8,20.9,22.4,23.5,24.2,22.6,19.5,15.7,11.5
1937,8.2,10.9,14.2,19.6,20.6,23.5,24.3,24,23.3,20.1,14.8,11
1938,10.4,10.3,16.1,19.6,21.1,23.2,23.2,24.3,23.3,20.2,13.6,10.6
1939,9.5,11.6,14.9,20.5,20.6,22.6,23.4,24.1,22.4,19.4,15.3,11
1940,8.9,11.1,13.1,18.1,20.4,22.7,23.2,24,22.2,19.5,15.2,11.1
1941,8.9,11.3,15.9,18.4,20.4,22.6,23.8,24.2,22.5,19.2,13.7,10.9
1942,8.9,11.4,15.1,17.5,20.1,23,23.8,23.3,22.6,19.9,15.2,9.7
1943,10.2,10.6,14,16.6,19.5,23.1,22.9,23.7,22.4,19.2,14.6,10.6
1944,9.3,10.2,15.2,18,21.2,23.3,23.5,24,22.9,20.3,14.7,11.2
1945,9.3,10.2,15.3,20.2,20.5,23.4,24,24.1,23.9,20.7,14.6,10.3
1946,8.2,11.6,14.6,17.4,20.6,22.5,23.1,24.3,22.4,19.8,15,10.4
1947,8.6,10.6,14.4,18.6,20.3,22.7,23.8,23.7,22.6,19.4,14.4,10.9
1948,8.2,11.4,15.1,18.1,20.2,22.5,23.5,23.6,23.5,19.6,15.7,10.3
1949,9,11,14.8,16.6,20.4,22.3,23.5,23.4,22.6,20.6,14.5,8.1
1950,8.6,11,14.5,18.3,20.6,21.9,23.3,22.7,22.4,19.6,14.9,10.4
1951,8.2,10.3,15.3,17.2,19.6,22.1,22.6,23.9,21.8,20.2,14.2,9.3
1952,8.1,11.3,12.7,18.3,19.1,22.7,23.5,23.1,22,19.8,14.7,10
1953,8.5,10.4,14.9,17.4,20.2,22,22.9,23.7,21.7,18.7,13.6,10.4
1954,7.8,11.8,14,18.5,20.3,22.1,23.1,23.4,23,18.6,13.8,10.8
1955,8.4,10.1,15.3,17.4,20.7,21.8,22.9,22.7,22.7,20.3,14.1,8.4
1956,8.9,10.3,15.3,18.9,21.4,22.9,22.8,23.2,22.2,19.6,15,10.4
1957,8.9,9.9,13.9,19,19.7,22.4,24,24,22.8,18.7,14.4,10.6
1958,9.7,10.8,15.3,18.6,20.1,23.1,24.2,24.1,22.7,20.4,14,10.9
1959,8.5,9.8,14.3,19.3,21.1,23.6,24,23.3,22,20.3,14.4,9.6
1960,7.4,12.4,14.1,19.6,21.2,22.9,23.5,24,22.6,19.6,14.1,9.9
1961,9.3,10.2,14.8,18.8,20.6,22.9,23.9,24.6,23.2,20.2,14.1,8.9
1962,7.3,11.1,14.3,19.7,19.6,22.3,24.1,23.7,22.6,18.5,13.9,9.8
1963,7.1,10.1,14.1,17.6,19.6,22.6,23.8,23.8,22.3,19.5,14.2,10.6
1964,6.8,9.6,14.4,18,19.4,22.1,23.1,23.3,22.5,20.3,14.8,9
1965,6.9,8.8,12.3,17.1,19.6,22,22.8,22.2,21.6,19,12.7,9.5
1966,6.7,10.8,14,17.7,20.7,21.9,23.3,23.8,21.8,18.5,15.6,10.4
1967,8.7,10.8,13.8,16.9,19.5,22,22.7,23.3,22.1,18.2,13.4,10.5
1968,8.2,8.9,14.6,17,19.6,21.9,23,23.2,22.7,18.4,14.3,9.1
1969,7.1,9.2,14.3,18.1,20.7,22.5,23.4,23,22.5,19.2,15.4,10.7
1970,8.1,10,14,18.3,20.9,23.1,23.7,23.8,22.7,19.8,14.9,10
1971,8.5,9.9,13.5,18.1,20.3,23.3,22.9,22.8,22.1,20.2,14.7,10.2
1972,9.7,10.3,14.9,17.4,20.2,21.9,23.1,22.7,21.7,19.5,14.6,10.1
1973,9.5,11.5,13.5,18.4,20.5,22.7,22.8,23.3,22.7,19.8,15.2,10.7
1974,8.6,10.9,14.7,18.7,20.4,22,23.1,23.4,21.8,21.4,15,8.9
1975,8.6,10.2,14,17.9,19.6,22.8,23,22.9,22.4,20.3,13.1,7.7
1976,8.3,11.7,15.9,18.4,20.4,21.9,22.8,22.9,21.6,18.9,15.8,9.7
1977,8.2,10.9,15.5,16.9,19,21.5,23.7,22.7,22.9,18.9,15.6,10.6
1978,7.4,10.3,13.5,17.8,20.8,22.6,22.7,23.6,22.3,20.7,15.1,9.7
1979,8.2,10.1,13.8,18.9,20.1,22.8,22.9,23.8,21.5,19.5,16.3,11.1
1980,7.9,10.7,14,18.5,19.6,23.1,23.6,23.7,23.1,19.2,14.4,10.7
1981,8.9,11.1,14.6,17.6,20.2,23,23.6,23.9,22.2,19.5,14.8,9.6
1982,9.5,10.4,13.7,17.4,19.7,22.3,23.3,23,21.9,18.8,14.9,10.3
1983,7.2,8.6,13.6,16.6,19.3,22.4,23.3,23.1,22.4,19.7,14.2,8.6
1984,7.3,10.4,14.7,18.6,20.2,23.3,23.3,23.2,21.7,20.5,13.9,10.6
1985,8.9,10.6,15.3,18.4,20.5,22.9,22.8,24.1,22.5,19.4,14.5,11.7
1986,9.2,10.9,14.9,17.8,19.7,23.3,23.1,23.5,22.1,18.6,15.3,10.4
1987,8.8,10.9,14.4,18.2,20.1,23.8,23.3,23.7,23,19,14.3,10.4
1988,9.4,12.2,15.1,18.6,20.4,21.9,23.8,23.8,22.4,19.5,14.9,12.5
1989,9,10.3,14.5,17.4,20.4,22.7,23.1,23.5,23,20.3,14.3,9.3
1990,10.3,11.2,13.3,16.3,21,23.3,23.7,23.7,22.7,19.4,15.5,11.2
1991,7.9,11.5,15.4,17.8,19.1,23,23.6,23.7,22.6,19.7,13.9,10
1992,8.6,9.5,14.9,18.3,19.5,22.3,22.6,23.3,22,19.3,14.3,9.2
1993,9,11.8,13.3,17.3,19.7,21.6,23.3,23.8,22.4,19.9,15.7,11.4
1994,9.3,10.5,14.8,18,20.8,22.6,23.3,23.7,22.9,18.8,15,9.7
1995,7.8,10.7,15.5,17.5,21.3,23,23.3,23.5,22.7,19.9,14.8,11.3
1996,10,11.9,15.5,19.4,19.8,22.2,23.7,23.8,22.9,20,15.1,10.2
1997,8.6,10.8,15.3,17.5,20.3,22.2,24,24,22.3,18.4,15.4,11.4
1998,9.1,12,13,18.4,21.7,23.2,23.7,24.3,22.6,21.9,16.9,11.3
1999,9.1,12.9,15.2,20.7,21.5,23.7,23.6,23.9,22.8,21.3,16.7,11.8
2000,9.4,11.6,14,15.8,21.4,23.3,23.8,23.6,22.3,20.5,15.6,9.9
2001,7.8,11.8,14.6,18.8,21.4,23.1,23.8,25,23.5,20.5,15,10.8
2002,9.5,11.3,15,17.8,20.6,23.3,24,24,22.9,20.1,15.5,11.9
2003,6.8,11.4,13.5,18.4,20.7,22.9,24.1,24.7,23.8,20.8,15.3,11.6
2004,9.4,10.6,15.6,17.8,20.9,23.3,23.4,24.4,22.7,19.4,15.4,10.2
2005,9.8,13.3,15.8,18.8,20.2,24.2,24.4,24.6,23.5,20.6,15.5,11.1
2006,8.9,13.1,16.7,19,21.7,23.6,24.8,25,23.2,21,16.7,11.7
2007,9.3,11.3,15.2,18.9,22.4,23.5,24.3,24.7,23.5,21.1,17.2,11.5
2008,10.8,10.2,15.1,19.7,22.6,24.1,24.4,24.6,23.5,21,15.7,12.6
2009,10.3,13.4,15.9,19.3,21.8,24.1,24.6,24.4,23.6,20.8,16.3,12
