1901,7.5,10,13.3,16.6,19,21.9,22.4,22.4,20.7,17.8,12.5,8.8
1902,8.4,9.9,13.8,14.9,19,20.4,21.9,21.6,20.4,16.5,12.4,8.4
1903,7.2,9.8,12.9,16.3,18.3,20.9,22.4,21.3,21.1,18.4,13.3,9.2
1904,7.5,10.1,13,15.2,18.2,21.5,21.9,21.8,20.7,17.9,12.3,8.3
1905,7.1,8.3,11.7,14.6,18.9,21.9,22.1,20.8,21.3,17.6,13,8.7
1906,8,9.4,12.3,14.9,18.6,21.4,22.5,20.6,21.5,17.7,13.3,8.9
1907,8.5,9.8,11.9,15.1,18.6,20.8,21.2,22.4,19.8,17.8,13.3,9.2
1908,8,10.6,14,17.5,18.7,21.9,21.7,22,20.4,17.3,12.5,8.5
1909,7.5,10.2,14.6,15.8,17.9,20.9,22.2,21.5,21.6,18.7,14.4,9.7
1910,8,10.2,13.1,16.3,19.4,20.5,21,21.7,21.1,17.3,13.3,9.3
1911,9,9.6,12.6,16.3,18.5,21.3,21.4,21.6,20.6,17.3,12.7,8.4
1912,8.1,10.2,12.6,14.9,19,21.3,21.3,21.5,20.5,17,13.2,9.2
1913,8,10.1,12.4,15,17.2,21.1,21.9,21.9,20.4,17.4,12.1,8.5
1914,7.9,9.8,13.2,15.3,18.7,22,22.4,20.8,20.4,16.1,12.8,9.6
1915,9.1,10.8,13.5,16.7,18.5,20.5,21.2,21.1,20.2,19.7,14.7,10
1916,8.3,10.3,14,15.9,18.5,21.9,20.8,21.9,21.2,17.4,14,9.1
1917,7.4,9.7,12.9,15.1,19.4,21.2,21.9,22.2,20.7,18.1,14,9.5
1918,7.7,10.1,13.2,16.3,20.4,20.2,21.6,21.7,20.8,18,13.1,9
1919,8.5,10.2,14.9,16.3,19.2,21.4,21.9,23.4,19.7,17,14.1,9.9
1920,9.3,9.8,12.3,15.5,18.2,21.1,22.6,21.6,20.7,18,13.5,10.7
1921,9,10.1,13.7,16,18.7,20.4,21.7,21.7,20.4,16.5,13.3,9.6
1922,8.5,10.9,13.9,16.7,19.4,20.9,21.6,21.5,21.1,17.4,13.7,9.5
1923,8.8,10,14.7,16.9,17.9,21.3,21.7,22.9,20.2,17.2,14,10
1924,8.6,10.7,15.4,16.8,18,21.7,21.3,21,20.1,18.8,13.9,10.4
1925,7.8,10,13.4,16.4,16.6,21.7,21.7,21.1,19,17.3,13.3,8.5
1926,8.6,11,12.7,15.8,18.9,20.9,21.3,21.9,21.3,18.1,13.1,9.9
1927,8.4,9.4,11.6,15.1,18.6,20.6,22.3,21.6,19.6,17.9,13.6,9.4
1928,8.5,11.7,14.4,17.9,18.7,21.3,22.3,21.5,20.5,16.4,12.2,9.1
1929,7.7,10.1,14.4,16.5,17.5,20.5,22.1,21.8,20.4,17,13.1,8.3
1930,7.5,10.3,13.3,15.8,19.6,20.3,23.1,21.8,20.3,16.2,12.6,8.9
1931,8.5,10.1,13.8,16.2,18.3,21,21.8,22.7,20.3,19,13.2,9.5
1932,8.7,9.2,13.9,17.4,17.7,21.1,22.5,21.7,20.6,18,13.9,9.8
1933,7.9,10.6,14.5,16.1,18.2,21.6,22.4,22.2,21.5,18.2,12.8,9.7
1934,8.3,10.9,13.8,16.2,18,19.9,22.5,22.4,21.2,17.2,12.5,9.2
1935,7.9,10.5,14.4,16.5,19,20.6,22.7,21.9,20.8,18.5,14.3,8.5
1936,7.3,9.4,14.1,16.6,19.7,21.6,22.7,22.3,21.4,17.5,14.2,9.7
1937,7.8,10.7,13.8,17.5,19.4,22.5,23.2,22.6,21.6,18.6,12.9,10.3
1938,8.7,10.2,13.6,17.3,20.1,21.8,22,22.6,21.5,18.5,12.2,9.5
1939,9.1,10.9,14,16.4,19.3,21.4,22.4,23,20.9,17.8,13.3,9.8
1940,8.3,10.6,12.1,16.6,19.1,22.2,22.8,23,21,18.3,12.9,10.1
1941,8,10.9,14.6,17.2,19.2,22,23.3,22.6,20.9,18,12.9,10.3
1942,8.9,11.9,14.2,17.2,18.5,21.6,23.3,22.8,21,18.8,13.9,9.3
1943,8.8,10.4,12.8,15.4,18.5,21.9,22.6,22.3,21.2,17.5,14.5,9.9
1944,8,9.9,14.2,16.2,19,21.9,23.1,23,20.5,18.6,13.4,10.8
1945,8.8,9.1,14.1,18,18.8,22.5,22.6,22.3,21.9,17.6,13.3,8.8
1946,9.5,12.6,13.9,17.5,19.5,21.7,22.3,23.6,21.6,18.1,14.5,10.3
1947,8.4,11.1,14.3,16.4,18.9,22.2,24.2,23.1,22.8,17.6,13.8,10.7
1948,8.2,9.8,13.3,17.6,17.9,21.8,22.3,22.6,21.9,17.6,14.4,9.1
1949,8.9,11,13.2,15.1,18.9,21.4,22.1,22.1,21,18.4,12.8,8.1
1950,8.7,10.1,13.3,16.3,19,21,22.4,21.7,20.8,17.6,13.2,9.8
1951,8.6,10.5,14.3,15.1,18,21.4,21.4,22.8,19.7,18,13.6,9.5
1952,8.7,11.9,12.9,17.4,19.2,22.1,22.9,22.1,20.5,18.4,14.6,9.8
1953,8.4,11.1,14.8,16.9,19.5,22,22,23.4,21,17.6,13.6,10.9
1954,8,12.1,14.4,16.9,19,21.2,21.5,21.4,21,17.4,13.2,9.5
1955,8.5,10.5,13.5,16.4,19.6,20.8,21.9,21.4,21.7,18.4,13.6,8.5
1956,8,10.9,13.4,17.6,19.5,22,22,22.2,21.3,17.7,13.3,9.6
1957,9.1,9.6,13.9,16.2,17.7,21.1,22.4,22.3,21.5,16.5,13.9,10.1
1958,9.3,9.5,14.6,17.7,17.5,22.7,22.9,21.3,21.8,18.5,14.7,10.7
1959,9.1,9.2,13.6,17.2,17.9,21,23.2,23,20,17.8,13.9,10.9
1960,7.6,11.9,14.2,17.7,20.1,21.5,21.8,22.4,20.4,18,13.1,10.3
1961,9.7,10.4,13.1,17.1,18.4,22.4,22.8,23.1,21.2,19,12,7.1
1962,7.5,9.5,12.4,16.3,18.4,21.3,22.9,21.3,20.8,17.5,13.7,9.3
1963,7.1,10.1,13.3,16.1,18.8,21,22.3,21.9,21.7,16.8,11.4,8.7
1964,8.1,9.9,12.8,16.3,18.4,20.8,21.7,21.9,20.8,19.2,13.8,8.8
1965,7.3,9,11.7,16.3,19.1,21.4,21.6,21,20.2,16.9,11,9.6
1966,8.1,11.3,15,16.2,20,20,22.9,21.9,20.1,16.1,14.8,10
1967,8.8,10.1,12.4,15.9,18.8,20.7,22.4,23.2,20.7,16.4,11.1,8.9
1968,7.3,8.7,13.4,15.4,18.5,21,21.7,22.5,21.7,16.3,12.9,9
1969,7.8,10.8,14.2,16.8,20,21.6,22.5,21.9,20.8,16.8,13.5,9.7
1970,7.3,9.4,13.5,16.1,18.7,21.4,22.3,22.2,20.7,17,12.9,9.4
1971,7.8,9.3,13.9,17,18.5,21.8,22.3,22,21.7,17.8,11.8,8.1
1972,9,10.9,14.1,15.6,19.4,21.9,23.4,22.5,20.5,17.5,12.4,9.9
1973,9.2,10.8,13.9,17.2,19.7,21.3,22.8,22.6,21.4,18.3,12.7,9.2
1974,7.6,11.4,13.3,16.5,19.3,21.9,21.4,21.9,20.1,20.2,14.2,8.9
1975,8.1,10.2,14.1,16.5,18.6,22.6,22.2,22.2,20.8,19.2,13.7,8.6
1976,8,10.8,13.5,16.6,18.8,20.7,21.8,21.9,20.8,16.9,14.4,9.7
1977,8.2,10.9,14.7,15.7,17.7,20.1,23,22.1,21.1,16.2,12.3,8.6
1978,6.8,9.7,13,15.9,19.2,21.4,21.7,22.6,20.4,18.1,12.9,9.2
1979,8.4,9.8,13.3,17.5,20.5,22.4,22.1,22.6,20,16.7,14.5,9.4
1980,7.2,10.3,13.3,16.7,19.1,22.2,22.7,22.3,21.3,16.6,13.4,10.3
1981,7.9,11.4,12.9,16,18.9,22.4,22.6,23.1,21.3,18.8,12.9,7.7
1982,8.7,9.3,13.4,15.6,18.9,21.4,22.6,23,21,17,12.3,8.8
1983,6.1,7.8,12.5,14.8,18.7,21.8,23.1,22.8,21.1,18.9,12.8,8.7
1984,7.9,11.6,14.7,16.7,18.4,22.5,22,22.5,20.1,19,12,10.3
1985,7.9,10,14.7,16.7,19.2,21.4,21.1,23.1,20.8,18,12.4,10
1986,8.8,10.3,13.1,15.4,19.1,22.9,22.3,22.3,20.1,16,13,9.1
1987,8.3,11,13.3,15.9,18.8,22.7,22.1,21.4,20.4,17.5,14.1,9.7
1988,8.9,11.8,14,16.3,18.8,22,22.6,22.3,20.5,18.4,13,10.3
1989,8.1,9.9,14.7,15.8,20,22.1,22,22.4,21.4,17.9,12.4,7.8
1990,9.9,10.2,12.1,14.9,19.1,21.3,22.2,22.4,20.2,17,13.6,10.1
1991,7.3,11.3,14.3,16.1,18.3,21.1,22.1,21.5,20.1,17.7,12.2,8.2
1992,7.3,7.9,13.6,16.1,18.1,21.2,21.7,22.3,21.2,17.1,12,7.2
1993,7.7,10.7,12.8,16.3,18.5,21,22.4,22,20.2,17.8,13.3,10.1
1994,9.8,9.7,13,16.2,19.5,21.8,22.6,22.8,22.3,17.1,12.6,8.6
1995,7.2,9.7,14,16.2,19.9,22,21.7,22.3,20.6,18.1,14.1,8.9
1996,9.2,11.1,14.3,17.2,18.5,21.8,22,22.6,21.4,18.4,13.8,10.4
1997,7.8,9.3,13.2,14.6,18.6,21.1,22.5,23.1,20,17.2,13.4,9.7
1998,8.8,10.5,12.4,17,20.8,21.6,22.6,22,21.2,19.9,14.5,10.6
1999,9.2,13.1,15.9,18.7,19.8,22.6,22.2,22,21.4,18.5,14.7,10.1
2000,8.4,10,12.8,15.9,19.4,22.2,22.5,21.9,20.4,18.5,14,9.9
2001,8.4,11.7,14.1,16.5,18.5,21.5,23.3,22.5,21.5,18,14.5,10.8
2002,8.8,12.4,14.2,16.7,19.1,22.5,22.5,22.5,21.3,17.8,14.3,10.9
2003,8.9,11.2,13.4,17.1,18.4,21.3,22.4,23.2,21.5,18.7,14.5,10.9
2004,9.6,10.7,15.5,16.5,19.2,21.4,21.5,23,21.3,17.2,13.3,10.7
2005,9.4,11.5,13.8,16.5,18.3,22.1,23.2,22.8,22.6,18.6,13.2,10.6
2006,10.1,12.1,14.6,15.6,19.1,21.9,23.8,24,21.8,18.3,13.9,10.9
2007,10,10.5,15,17,20.4,21.5,23.1,23.4,20.6,20.1,14.4,10.9
2008,9.8,9.8,13.6,16.9,19.9,21.6,22.8,22.2,22,18.4,13.9,11.5
2009,10.1,12.4,14.9,18.1,20.7,23.4,23.3,22.8,22.4,19.8,14.8,10.9
