1901,7.6,9.5,12.8,16.1,18.8,19.5,19.9,19.4,17.8,15.1,11.3,8.1
1902,8.8,9.4,13.9,15.8,19.3,18.5,19.4,18.9,17.6,14.5,11.6,8
1903,6.9,9.1,12.9,16.5,17.9,19.3,19.7,18.5,17.5,15.6,11.2,7.7
1904,7.3,10.2,12.2,15.4,17.9,19.1,19.2,18.8,17.7,15.4,10.9,7
1905,8.2,9.5,10.4,14.3,18.9,19.7,19.6,18.2,18.1,15.1,11.4,8.4
1906,7.4,9.2,11.4,14.8,18.4,19.7,20,18.6,18.4,15,11.2,8.1
1907,8.4,9.1,11.7,15,18.3,18.7,19.1,19.4,17.2,15.9,12.2,7.9
1908,8.3,9.5,12.4,16.4,18.3,19.5,19.3,19.2,17.6,15.1,11.4,7.8
1909,7.6,9.8,13.5,15.9,17.5,19.3,19.7,19.1,18.7,16.2,12.6,8.7
1910,8.2,9.7,12.3,15.9,19.4,19.1,18.9,19,17.8,14.8,11.5,7.4
1911,8.1,9.3,12.5,15.9,18,19.8,19.1,18.9,17.9,14.5,11.2,7.9
1912,7.2,9.6,12.5,15.2,19.1,19.4,19,18.7,17,14.8,11.2,7.7
1913,7.6,9.9,11.1,15.2,16.9,19.1,19.5,18.8,17.4,15,10.7,7.1
1914,8.4,9.9,13.1,15.7,18.6,19.5,20.2,18.3,17.5,14.4,10.9,8.6
1915,8.4,10.4,12.8,16.9,17.9,18.8,18.9,18.8,17.5,17.2,12.4,9
1916,8.1,10.1,12.8,16.2,19.4,20,20,19.8,18.5,15.1,12.3,8.4
1917,6.9,9,12,14.9,18.5,19.5,19.9,19.6,18.4,15.8,12.8,7.4
1918,7.1,9.7,12.8,15.2,18.3,18.9,19.9,18.9,18.7,16,11.2,9.1
1919,8.7,9.6,14.4,16.9,19.4,20.5,19.9,20.5,17.3,15.2,12.2,8.5
1920,9,8.7,13,15.5,18.3,19.7,20.9,19.1,18.5,15.2,12.2,8.5
1921,10.2,9.6,13.3,18.6,19.4,21.2,20.6,20.9,18.1,14.9,12,10.1
1922,10.2,11.8,14.6,16.7,20.4,20,20.5,20.2,18.6,15.5,11.4,8.3
1923,9.9,10.4,14.3,16.6,18.3,18.9,20.3,19.6,19.1,15.6,13.7,10.3
1924,9.5,10.8,14.3,16.8,20,19.7,20.1,20.1,19.4,15.7,11.8,9.7
1925,7,8,13.2,15.5,19,20.6,20.8,20.7,18.2,14.3,12.2,7.9
1926,9.4,9.9,12.4,16.5,19.5,20.5,20.6,20.5,20.1,15,12.4,9.8
1927,9.1,10.4,13.1,15.5,18.4,20.7,21.2,21.1,18.2,15,11.3,10
1928,10.1,10.3,14.7,17.6,19.4,19.7,21.1,20.2,19.1,13.5,11,10.7
1929,9.8,10.4,13.6,15.4,19.1,20.4,20.8,21.1,18.8,17.2,11.6,10.3
1930,7.3,10.9,12.1,17.1,19.1,19.5,21.7,21.1,18.7,14.4,12.7,10.4
1931,8.6,11.8,13.7,18.6,20.6,20.8,20.2,21.3,18.2,15.2,12.1,9.7
1932,8.3,8.3,13,17.1,20.2,19.8,20.3,20.5,18,15.4,13.3,7.9
1933,8.4,11.3,14,17.3,18.7,20,20.7,21,19.3,16.5,12,10.2
1934,7.2,9.1,12.7,16.9,19.8,18.8,20.3,20.9,19.7,14.9,12,8.1
1935,8.3,10,14.4,17.4,20.1,19.2,21.3,20.4,18.4,17.1,13.7,10.6
1936,6.7,9.2,12.5,16.9,18.1,19.9,21.3,20.5,17.9,14.2,12.5,9.9
1937,8.4,10.2,13.6,17.9,18.9,19.6,21.5,20,19.5,17.1,12.8,10.4
1938,8.8,10.3,12.6,17.7,17.2,20,19.3,19.8,19.1,14.9,10.9,9.1
1939,8.8,10.1,14.9,14.5,18.8,18.6,20.1,19.5,17.1,15.8,13.1,7
1940,8.1,11.5,12.6,16.1,17.5,19.4,20.4,20,18.5,16,11.5,10.3
1941,9.9,11.8,14.2,15.8,17.7,18.3,20,19.3,16.4,14.5,11.7,10.4
1942,9.6,12.5,14,16.1,18.9,18.7,19.8,18.8,18,16.5,12.6,9.4
1943,8.8,8.5,13.5,16.4,19,19,19.7,18.5,17.1,15.9,11.8,9.6
1944,9,10.9,14.2,16.1,16.5,18.4,20.1,19.3,17.9,15.4,12.2,6.2
1945,9.2,6.6,13.4,17.6,16.9,21,20.5,19.4,19.2,14.1,13.2,8.3
1946,10.2,11,14.2,17.7,19.3,20.7,20,20.5,19.2,14.7,12.5,11
1947,10.3,10.3,13.7,15.5,20.6,19.8,20.6,20.3,18.7,14.6,11.5,9.7
1948,8.8,10.1,14.1,16.8,17.8,20,19.2,19.7,18.6,13.6,10.3,9
1949,7,9.9,14.4,15.9,17.9,20,19.6,19.6,19,14.9,12.1,8.4
1950,8.8,7.8,14,16.5,19.3,18.8,19.4,18.6,17.6,15.5,11.5,6.9
1951,7.8,10.8,13.3,16.5,18.6,18.8,19.5,19.7,16.9,15.3,11.3,7.6
1952,8.1,10.6,13.3,16.7,20,18.9,20.1,18.9,18,14.9,12.4,7.1
1953,8.5,10.2,13.8,16.8,17.7,19.2,20.2,20.4,16.5,15.6,11.6,8.4
1954,8.1,10.3,11.2,16.7,18.8,18.8,19.3,18.8,18,14.4,11.8,7.6
1955,5.8,10.5,13.6,15.6,19,18,19.1,18.5,18.5,14.5,9.2,7
1956,5.4,10.3,13.2,17.2,17.2,19,19.1,18.8,17.3,13.7,10.1,7.8
1957,8.2,7.7,12.7,16.1,18.4,17.5,19.5,18.4,16.9,12.7,11.3,8.5
1958,7.8,7.7,15,17.9,20.2,19.9,19.6,18.7,17.4,14,11,8.6
1959,7.2,8.3,12.2,17,17.9,19.8,19.9,19.8,17.2,14.7,11.4,9.3
1960,8.2,10,14.3,16.4,18.7,20,19.1,20,18.2,14.9,12,8.7
1961,8.3,9.1,12.5,16.2,18.4,20.2,20.3,19.5,17.7,16.2,10.9,7.9
1962,5.8,9.9,11.9,16.3,18.8,18.8,20.6,19.1,17.7,15.3,10.8,7.9
1963,5.5,8.6,12.6,16.4,20.5,19,19.9,19.3,19,13.9,11.3,8
1964,7.8,8.4,12.4,17.2,18.2,19.3,19.7,19.5,18.6,16.2,11.2,6.6
1965,7.2,9.7,12.1,16.3,18.3,19,19.9,18.2,17.4,14.9,11,9.2
1966,9.3,10.8,14.1,17.3,18.2,18.2,19.9,19.1,16.1,14.4,12.2,9.2
1967,7.4,8.7,12.2,14.5,19.5,20,20,19.9,17.3,14.2,10.6,6.9
1968,7.6,7.7,13.6,14.6,18.5,19,20,20,18.3,15.6,12.8,10
1969,8.4,9.9,14,16.3,20.9,19.4,19.9,18.9,17.4,15.3,10.6,8.2
1970,7,10.1,12.8,15,18.4,18.8,19.5,19.6,17.9,13.5,10.5,8.6
1971,6.1,7.9,12.3,16,17.7,19.5,19.3,18.3,17.8,13.3,9.7,7.6
1972,8.1,8.1,12.6,14.2,18.8,19.7,20.1,19.4,17.2,15.9,10.9,8.4
1973,7.9,11.2,13,17.3,19.2,19.8,19.6,19,18,15.1,10.7,8
1974,6.8,8.3,11.8,14.6,18.4,19.1,19.3,18.1,17.8,15.7,12.8,8.4
1975,8.2,10.1,13.5,16.9,18.8,19.7,19.7,19.1,18.3,15.6,10.2,5.2
1976,6.6,10.1,11.6,15.8,18,18.6,19.3,19.2,17.2,15.1,9.8,8.4
1977,7.3,7.2,12.8,16,19,20.3,20.1,19.1,17.2,14.6,10.4,8.4
1978,6.7,9,13.2,15.7,17.5,19.1,19.8,19.4,16.8,14.3,11.3,8.9
1979,8.5,10.7,13.8,17.3,19,19.1,20.1,19.9,17.8,13.4,9.5,8.5
1980,7.8,9.8,13.5,17,18.7,19.7,20.2,19.2,17.7,16.1,12.4,9.2
1981,8.1,10.5,13.4,16,18,19.5,20.1,20.8,18.9,16.1,12.2,7.6
1982,8.3,8.8,13.8,14.4,19.5,19.3,20.6,20.2,18.3,16.3,11.1,6
1983,6.1,8.5,10.9,15.9,20.1,20.4,20.8,19.2,18.5,16.5,11.5,6.8
1984,7.6,10.4,13.3,17.6,18.4,19.7,20,19.8,17.4,14.5,11.9,9.2
1985,8.3,9.6,11.7,15.1,19,19.4,19.3,20.2,17.6,15.2,11.3,8.4
1986,7.8,9.9,12.7,16.3,19,20.4,19.1,19.1,17.1,14.2,11.4,9.4
1987,8.9,10.7,14.2,16.9,20.5,20.5,20.1,19.6,17.6,16.4,12.9,6.6
1988,9.1,10.7,13.8,16.2,20.1,20.5,20.3,19.7,17.3,15.5,11.3,9.3
1989,7.8,9.8,12.5,17.2,18.4,20.1,19.7,19.5,19,15.5,11.5,7.6
1990,8.2,9.7,12.3,15.9,16.9,18.9,19.6,20.4,18.5,15.4,12.9,8.9
1991,8,10.7,14.4,16.6,18.9,20,20.2,19.3,18,15.7,11.6,8.3
1992,6.4,8.1,13.7,16.9,19.3,20.5,19.5,20.3,18.8,14,10.2,8
1993,7,10.6,14.2,16.8,18.9,20.6,20.7,19.9,18.3,14.2,11.6,8.9
1994,10.7,11.4,12.5,18.9,19.6,19.5,20.3,20.1,18.7,15.5,12.2,9.5
1995,9,9.5,14.6,18.8,19.1,20.5,20.2,19.9,18.4,16.8,11.6,9.2
1996,9,10.1,14.6,17.3,19,19.5,20,20.2,18.8,16.3,13.1,9.2
1997,8.6,9.7,14.5,15.4,19.9,20.2,19.6,20.6,17,16.1,12.9,10.5
1998,10.1,12,15.6,17.8,20.6,20.2,20.5,20.6,19.6,16.8,13.6,10.7
1999,9.8,11.7,14.7,17.5,17.8,21.3,20.4,19.7,19.4,17.2,12.7,8.5
2000,8.8,10.5,14.1,17.7,18.2,19.4,20.6,20.5,18.8,16.5,11.8,10.3
2001,10.1,10,13.1,17.4,17.1,19.8,21.1,20.6,19.6,16.5,11.5,10.2
2002,9.7,12.9,15.2,18.5,18.4,21.5,20.5,19.2,17.9,16.5,12.8,10.3
2003,9,11.6,14.5,18.3,20,19.8,21.2,21.5,18.9,16.7,12.9,10.3
2004,9.2,10.8,14,16.2,18.6,19.5,20.2,21,18.8,15.3,12.1,8.9
2005,9.3,12.4,12.9,18.2,21.2,21.1,20.9,20.4,19.4,16.4,12.8,9.7
2006,10.2,12.5,15.4,17.9,17.9,20.1,21.2,20.6,18.5,16.8,12.9,9.5
2007,8.5,11.2,15.9,15.5,18.1,20.7,20.1,20,17.5,15.6,12.3,10.5
2008,9.7,8,13.8,17.6,18.3,19,19.4,19.8,19.2,16.6,11.5,9.2
2009,8,13.8,15.5,17.2,19.4,20.3,21.1,20.7,20.1,17.1,11.4,10.1
