1901,6.9,9.9,12.7,16.7,17.6,20.3,20.9,21,20,18.1,13.4,9
1902,8.1,9.2,14.1,14.8,17.4,18.9,20.3,20.5,19.9,16.8,12.4,8.4
1903,7,9.2,12.9,16.7,17.8,19,21,20.3,20.4,18.7,14.3,9.2
1904,7.7,9.3,13.7,15.5,17,20.3,20.4,20.9,20.2,17.2,13.1,8.9
1905,6.9,6.9,12.1,14.1,17.5,19.6,20.9,20.4,20.4,18,13.7,9.5
1906,7.6,8.9,12,16.8,18.1,19.8,21.2,20.4,20.9,17.8,13.8,9.8
1907,9.3,9.3,11.7,14.7,17.6,19.4,20.3,21,19.9,17.2,13.2,9.3
1908,7.9,9.6,13.3,17.7,17.6,19.9,20.6,20.7,20.2,17,13.1,8.5
1909,7.9,9.4,14.5,15.5,17.7,19.7,21.3,20.7,20.9,18.6,14.9,10
1910,8.3,9.4,12.9,14.6,17.3,19.2,19.8,20.5,20.7,17.7,13.5,8.7
1911,8.6,8.9,12.5,15.6,16.7,19.7,20.4,20.4,20.3,17,12.3,8.2
1912,7.9,10.2,12.6,13.9,18,19.6,20.6,20.6,20.1,17.1,13.7,9
1913,8.6,11.1,12.9,16.3,16.5,19.5,20.7,20.7,19.9,17.4,12.7,8.7
1914,7.8,9.6,13,14.2,18.3,20.4,21,20.5,19.7,15.8,12.7,9.7
1915,9.5,9.4,13,16,17.6,19.2,20.7,21,20,19.7,15.7,9.9
1916,8.2,9.8,14.4,15.6,18.3,20.5,20.1,21,20.7,18.3,14.5,8.7
1917,7.5,9.1,12.3,15.5,18.2,19.7,20.6,21,20.5,17.9,14.6,9.3
1918,7.6,9.5,13.4,15.6,19,19.1,20.3,20.6,20.1,17.5,13.1,8.9
1919,9.1,9.9,14.7,15.5,17.7,20.4,20.8,21.3,19.3,17.7,14.5,9.8
1920,9.2,8.7,12.9,15.3,17.2,19.3,21.4,20.3,20.3,18.2,14,10.9
1921,9.3,10.1,14.5,15.9,18.1,18.8,20.9,21.2,20.7,16.7,13.5,9.4
1922,8.8,10.4,14.6,17.9,18.4,19.9,21.1,21,20.7,17.3,14.4,9.7
1923,8.9,9.4,13.9,16.7,17.9,19.5,20.8,21.2,20.2,17.2,14.5,10.2
1924,8.2,9.8,15.3,17.1,17.6,20,21.1,20.8,19.9,18.8,14.1,9.7
1925,6.8,8.5,13.2,15.8,16.7,20,20.5,21,19.5,17,13.2,8.8
1926,8,9.7,12.5,15.4,17.5,19.1,20.6,21,20.8,18.1,12.7,10.3
1927,8,8.6,11.4,16.1,17.5,19.7,20.8,20.4,19.5,17.5,12.9,9.6
1928,8.2,10.9,13.6,16.6,17.4,19.9,21,20.6,20.8,17.4,12.4,9.5
1929,7.9,9.4,13.9,15.8,17.6,19.8,20.6,20.6,20.1,17.3,12.8,9.1
1930,6.6,9.8,13.1,15.9,18.2,18.7,20.6,20.7,20.3,17,13.9,9.4
1931,9.2,10.7,13.6,16.4,17.4,19.6,20.5,21.5,19.2,18.5,13,9.9
1932,7.6,7.9,13.6,16.2,16.8,19.5,20.6,21.3,20.7,18.3,15.1,9.9
1933,7.4,10.4,14.1,15.5,17.4,20.2,20.8,20.7,20.2,17.9,13.4,9.6
1934,8.1,10.3,13.7,16.8,17,18.8,20.5,20.8,21.1,17.4,13.3,8.9
1935,7.3,10.2,13.7,16.4,17.7,18.8,20.9,20.3,20,17.5,13.5,9.2
1936,7.3,9,14,16.8,18.4,19.8,20.7,21.3,20.1,17.4,14.2,10.3
1937,7,9.9,12.6,17.4,18.1,20.6,21.2,21.1,20.6,17.9,12.9,10.2
1938,9.3,9.1,15,17.7,18.7,20.3,20.5,21.2,20.4,18.4,12.4,9.7
1939,8.6,10.3,13.9,19.1,18.1,19.9,20.6,21.2,20,17.5,14.2,10.1
1940,7.9,9.7,12.2,16.5,17.9,19.8,20.3,21.1,19.7,17.5,14.1,10.3
1941,7.9,10,14.7,16.7,18,20.2,21,21.3,20,17.6,12.2,10
1942,8,10.1,13.8,15.9,17.9,19.9,21.3,20.3,20,18,14.1,8.5
1943,9.4,8.8,12.8,14.8,17.2,20,20.5,20.1,19.8,17.2,12.9,9.8
1944,8.7,9,13.9,16.1,18.5,20,21,21,19.9,18,12.6,9.2
1945,8.5,8.6,14,17.7,18,20.4,21.1,20.6,21,18.6,13.5,9.8
1946,7.9,11,13.4,15.6,18,19.5,20.1,20.6,19.8,17.6,13.6,9.8
1947,8.1,9.8,13.5,16.8,18,19.7,20.6,20.7,20,16.7,13.1,10.3
1948,8.4,10.2,14.2,15.9,17.5,19.4,20.3,20.5,20.5,17.4,13.7,9.2
1949,8.3,9.5,13.4,14.4,17.8,19.2,20.3,20.2,20.2,18.8,13.2,7.1
1950,7.8,9.8,13.2,16.2,18.4,19.3,20.2,20,20,18.3,13.8,9.5
1951,7.5,9.1,14.2,15.4,16.9,19.1,19.8,20.8,19.4,18.3,13.4,9.9
1952,8,10.5,12,16.2,16.6,20,20.5,20.2,19.2,18.3,13.5,9.1
1953,7.6,9.6,14.4,15.7,17.4,19.1,20,20.7,19.5,16.8,12.9,10.3
1954,6.8,10.6,13,16.4,17.4,18.8,19.9,20.4,20.2,16.5,12.9,10
1955,7.4,8.9,14.4,15.3,17.6,18.9,20,19.7,20.2,18,12.5,7.3
1956,7.2,9.3,14.2,16.9,18.7,19.7,20.4,20.6,20,17.3,13.4,9.1
1957,7.8,8.4,13.2,17.1,17.2,19.4,20.9,21.2,20.3,16.7,13.1,9.4
1958,8.7,9.3,14.7,16.5,17.5,20.1,21.3,20.6,20.4,18.2,12.7,10
1959,7.5,8.4,13.2,17.1,18.2,20.4,21.4,20.7,20,17.6,12.7,8.3
1960,6.9,11.6,13.1,18.2,18.9,20.4,20.7,21.4,20.5,17.6,13.4,9.1
1961,8.4,8.9,14.1,17.5,18.2,20.4,21.3,21.7,20.9,18.3,12.7,8
1962,6.3,10.3,13.5,18.1,17.2,18.9,21.6,21.7,20.5,17,12.4,8.7
1963,6.6,9.5,13.4,16.3,17.4,20.1,21.2,20.9,20.5,17.1,12.9,10.5
1964,5.5,8,13.2,15.5,17.2,19.2,20,20.3,19.6,18,13.2,8
1965,6.7,7.8,11.2,15.7,17,19,19.7,18.8,19,17.7,10.8,8.7
1966,6,9.5,13,15.9,18.6,19.2,20.5,20.8,19.9,17.2,14.9,10.1
1967,8.5,10.2,13.1,15.7,17.2,19.4,20.4,20.8,20,17.2,12.4,10.1
1968,8.3,8.4,13.6,15.6,17.2,18.8,20.4,20.6,19.7,17.1,14.1,9.5
1969,7.5,9.7,14.7,16.4,18.3,19.9,20.9,20,20.3,17.8,14.3,10.5
1970,7.7,9.8,13.6,16.5,18,20.4,20.4,20.5,20.3,17.9,14.4,10.1
1971,8.3,9.4,13.1,16.2,18.2,20.2,20.2,20,20,18.3,14.1,9.9
1972,9.1,9,13.9,15.5,17.7,19.5,20.2,20.3,19.7,18.1,13.8,10
1973,8.8,10.8,12.9,17.1,17.9,19.8,20.4,20.6,20.2,18.4,14.7,10.2
1974,8,9.8,13.6,16.7,18.1,19.2,20.2,20.5,19.4,19.2,15.1,8.4
1975,8.4,8.6,12.9,16.4,17.5,19.9,20.4,20.5,19.6,17.3,11.3,6.2
1976,8.6,10.7,14.7,16.8,17.5,19.2,20.4,20.2,19.5,16.9,14.6,9.2
1977,7.5,9.9,14.6,14.6,16.5,18.6,20.6,19.9,20.8,16.5,14.2,9.9
1978,6.8,9.6,13.1,16.3,18.2,19.1,20.1,21,19.9,18.9,13.5,9.5
1979,8.2,9.1,12.8,17.4,18.1,20.4,20.3,21,19.5,17.1,15,10.3
1980,7.6,9.7,13.3,16.8,17,20.6,20.8,20.5,20.7,17.3,13.7,10.3
1981,9.1,10.1,13.6,15.5,17.8,20.2,20.6,21,20,17.7,14.3,10.3
1982,9.7,9.7,13.1,15.3,18.1,19.9,20.3,20.7,19.9,17.6,13.7,9.6
1983,7.4,8.5,12.9,15.1,17.3,19.6,20.5,20.7,19.9,18.6,14.3,8.6
1984,6.9,9.6,13.7,16.7,17.4,20.5,20,20.6,19,18.1,13,9.4
1985,8.3,9.2,14,16.2,18,19.7,19.6,21,19.7,17.9,13.4,10.8
1986,8.6,10,14.1,15.7,17.6,20.4,20.3,20.9,19.7,16.7,13.9,10.2
1987,8.3,10.3,12.9,15.9,17.9,21.4,20.5,20.9,20.5,17.7,14.7,9.7
1988,8.4,11.1,13.9,16.6,17.9,19.4,20.6,20.1,19.7,17.9,14.6,11.7
1989,8,9.4,13.2,15.6,18.3,19.5,20.1,20.4,20.1,18.5,12.9,8.6
1990,9.8,10.5,12.4,14,18.7,20.1,20.5,20.8,20,17.3,15.2,10.2
1991,7,10,14.1,15.2,16.1,19.4,19.8,20.3,19.6,17.6,13.7,9
1992,7.3,8.7,12.4,16,16.8,19.2,20.1,19.9,19.3,17.3,13.9,8.4
1993,7.9,10.5,12,15.2,17.3,19.1,19.6,20.7,19.4,16.9,14,11.3
1994,9.1,9.7,13.6,16.4,18.8,19.8,21.4,21.4,20.3,17.5,15,9.6
1995,8.2,10,14.3,16.5,19.1,20.2,20.5,20.8,20.4,18.5,15.5,10.4
1996,8.2,11,14.8,17.4,17.5,19.6,20.2,20.9,20.8,17.7,14.3,10.8
1997,8.2,9.4,14.4,15.5,17.8,19.3,20.9,21.3,19.8,17.3,14.5,10.3
1998,7.5,11.4,12.5,17.6,19.3,19.8,20.6,21,20.5,19.7,15.8,11.4
1999,9.3,12.4,14.6,18.8,18.4,20.7,20.7,20.7,20.6,19.1,15.9,11.7
2000,8.4,10.3,12.7,14.7,19,20.2,20.8,20.8,20,18.6,14.2,9.6
2001,6.9,10.6,13.8,17.1,18.9,20.5,20.8,21.6,20.9,18.6,13.5,9.7
2002,8.8,10.2,13.9,16,18.5,20.3,21.2,21,20.8,18.4,14.5,10.7
2003,6.7,10.6,12.3,16.6,18.2,20.2,21.2,21.2,21.2,18.5,13.1,11
2004,8.6,9.5,14,16,18.6,20.2,20.7,21.4,19.9,17.7,14.2,9.6
2005,9,11.8,14.5,16.9,17.9,21.1,21.1,21.2,21.2,18.8,13.8,10.7
2006,8.2,12.1,15.5,17.2,19.2,20.5,21.8,21.9,20.8,19.4,15,10.6
2007,8.2,10.2,13.6,16.8,19.6,20.6,21,21.7,20.9,18.7,15.6,10.3
2008,9.5,9.3,13.9,17.7,20,21,21.3,21.3,21.1,19,14.4,11.6
2009,9.7,12.3,15.2,17.4,19.1,21,21.7,21.2,21.2,18.6,14.7,10.6
