1901,7.3,6.5,7.8,11.7,16.3,16.3,19,17.9,16.3,12.5,9.1,7.3
1902,8.2,6.4,9.6,11.5,12.6,16.3,17,17.6,16.6,13,10,7.8
1903,7.2,9.4,9.2,10.5,13.8,16.8,17.9,17,16.1,12.1,9.6,6.5
1904,7.1,6.5,7.8,11.2,13.6,16.7,18,17.2,15.7,13.1,9.2,8.4
1905,8,8,9.4,11.1,14.7,17.8,18.9,16.9,15.1,11.4,8.3,8.8
1906,8.2,7.2,9.2,11.4,12.8,17.5,18.2,18.7,17.5,13.2,9.7,7.1
1907,7.2,7.1,10.7,10.9,13.3,14.7,17.9,17.2,17.3,11.8,9.4,7.6
1908,6.9,8.8,8.3,10.9,15.1,16.9,18,17.8,15.4,15.5,11.5,8.7
1909,7.9,7.8,7.6,12.2,14.9,15.9,17.2,18.4,15.8,13.1,7.8,7.1
1910,7.1,7.8,9.7,10.4,14.4,16.9,17.8,17.6,15.8,13.6,8.2,8.4
1911,7.4,8.4,8.9,11.1,15.6,17.4,19.4,20,16.6,13.1,8.6,8
1912,7.4,8.1,9.8,12.7,15,15.8,17.6,15.4,14.9,12.4,9.6,9.3
1913,7.1,8,8.8,11,13.5,15.9,17.7,18.7,16.6,13.2,10.4,7.8
1914,7,8.8,9.4,13.3,13.7,17,17.8,18.7,16.8,13.3,9.8,6.5
1915,6.8,7.1,9,11.7,15,17.8,17.5,18.1,17.4,13.5,7.6,7.5
1916,9.5,7.1,6.7,11.5,13.5,15.6,17.8,19.7,16.6,13.4,9.2,6.1
1917,4.9,6.4,7.9,9.4,14.9,16.6,19.3,18.1,16.1,11,10.2,6.9
1918,7.1,8.9,9.7,11.6,15.5,16.9,18.2,17.9,14.3,11.8,9.6,9.6
1919,6.5,6.8,7.7,11.1,16.2,16.2,17.5,18.6,15.9,12.9,6.7,8.5
1920,7.8,9.2,9.2,10.3,13.7,16.6,16.5,17,15.9,14.2,10.8,7.5
1921,9.7,8.4,9.9,12.7,14.1,17.7,20.7,17,16.6,15.3,10.7,10.3
1922,8.1,8.9,9.6,10,14.6,16.1,15.9,15.9,15.3,12.4,9.5,8.3
1923,9.1,8.7,10,10.5,12.6,15.3,18.5,17.4,14.9,12.3,7.1,8.4
1924,8.2,7.7,9.2,10.8,13.9,16,17.1,16.6,15.2,13.4,10,9.6
1925,8.5,7.8,9,10.9,13,17.4,17.6,18.1,14.9,13.7,8.2,7.4
1926,8.6,9.7,10.1,13.2,13.6,16.5,19.8,19.4,17.2,12.4,8.8,7.6
1927,7.9,9.2,10.2,11.3,15,15.4,18,17.9,15.2,14.3,9.6,6.6
1928,8.9,9.7,8.7,11.4,14.8,15.9,17.5,17.7,16,13.3,10.4,8.2
1929,6.5,7.6,11.4,11.7,14.8,16.5,18.3,17.3,17.7,12.7,9.9,8.3
1930,7.4,5.8,9,11.2,14.3,17.7,17.3,16.9,16.3,13.1,9.5,8.2
1931,7.8,8.3,9.5,11.7,14.2,16.4,17,17.7,15.5,13.6,10.5,9.3
1932,9.8,7.9,10,11,13.9,18.3,18.1,19.3,16.2,12.5,10,8.6
1933,6.7,8,10.9,12.8,15.2,17.5,19.6,19.5,18.1,13.5,9.3,6.8
1934,8.6,8.1,9.3,10.7,13.9,18.3,20.7,17.6,16.1,12.6,9,9.7
1935,8,8.9,10.3,11.7,15.1,16.5,19.2,18.7,16.3,12.7,8.5,6.4
1936,6.6,7.7,9.9,11.4,14.8,17.3,17.7,19.1,17.3,14.2,9.4,8.7
1937,7.8,8.4,7.5,12.2,15.2,16.5,18.1,19.3,16.4,13,9.4,7.1
1938,8.7,8.5,11.6,13.3,14.1,16.4,16.9,18.4,16.4,13.5,10.8,7.6
1939,7.1,9.2,9.6,12.3,15.3,18.6,17.4,18.9,17,12.4,10.9,6.8
1940,6.1,8.3,10.4,12.1,15.9,20.5,17.3,18.8,16.2,12.4,10.1,8.4
1941,5,7.1,8.6,10.6,13.8,17.3,17.6,16.8,17.9,14,9.7,8.9
1942,7.6,6.8,10.5,13.3,14.8,16.7,17.8,18.1,15.4,12.2,8.6,9.7
1943,8.4,9.3,11.1,13,14.9,16.8,18.8,17.2,15.3,13,9.8,7.9
1944,9.2,8,10.5,13.6,14.6,16.4,18.6,19.3,15.5,12.1,9.5,8
1945,5.6,9.9,11.7,13.5,15,16.6,18.3,18.8,17.2,14.9,11,9.5
1946,7.7,8.8,10,12.8,15.7,15.7,17.5,16.6,15.8,13.4,10.4,7.6
1947,6.7,3.5,8.1,11.5,14.5,16.7,17.5,21.1,16.8,14.5,10.1,8
1948,7.8,8.1,12.9,12.3,15.2,16,17.4,17.8,15.7,13.1,11.7,9
1949,9,9.6,10.8,12.2,14.4,18.6,19.2,18.9,18.4,14.1,10.1,8.7
1950,8.2,8.2,11.5,11.2,15.5,17.8,18.4,17.5,14.7,12.5,8.6,5.8
1951,7.1,6.7,8.1,10.7,14,17.2,18.7,17,15.8,13.6,10.5,8.5
1952,6.9,8,10.3,12.4,15.7,16.4,18.7,18.2,15,12.8,8.7,7.8
1953,7.9,8.6,10.5,11.4,15.5,16.7,17.7,18,16.5,13.2,10.5,10.1
1954,7.5,7.4,9.9,12.6,14.5,16.1,16.2,16.8,15.1,13.6,9.7,9.1
1955,6.9,5.8,8.5,13.8,13.7,16.6,20.4,20.7,17.2,12.9,10.6,9.5
1956,7.6,6.5,10.8,12.2,15,16,17.7,16.4,16.1,13.2,9.7,9
1957,8.5,8.3,12.2,13.1,15.1,18.3,18.1,17.8,15.2,13.2,9.4,8.5
1958,7.7,8.8,8.4,11.9,14,16.2,18,18.1,17.5,13.2,10.7,8
1959,6.9,9.5,10.8,12.2,16.1,18,19,19.2,18.7,15.4,10,8.5
1960,7.9,7.6,10.6,13.1,16.4,18.3,17.8,18,16.2,13.1,9.5,7.4
1961,7.7,10.2,11.9,13.3,15.4,16.3,16.9,17.4,16.8,13.1,9.3,6.5
1962,7.7,8.4,8.2,12.3,14.3,16.5,17.8,17,15.2,13.6,8.8,7.7
1963,5.4,5.3,10.2,11.3,13.6,17.8,17.5,16.2,15.5,14.2,10.3,6.8
1964,8,7.9,9.6,12.1,15.5,16.1,17.5,17.8,17.1,13.1,10.9,8
1965,6.2,6.7,9.9,11.8,14.5,17,17.5,17.5,14.3,14.6,8.2,8.2
1966,6.8,8.8,10.4,10.7,14.3,17.2,17.8,17.8,17.3,12.6,8.5,9.1
1967,7.8,7.8,9.5,12.3,13,17.4,17.9,17.5,15.7,12.5,9.2,8.2
1968,8.5,6.3,9.7,11.9,13.4,17.9,18.5,19.4,16.8,15,9.9,7.8
1969,7.6,5.2,8.6,12,14.2,17.4,18.6,18,16.7,15.5,8.3,7.9
1970,7.8,7,8.8,10.4,14.7,19.2,17,18,16.1,13.5,9.8,7.6
1971,8.3,8.4,9.3,12.2,14.7,15.9,19.3,18,18.2,14.9,10.6,9.6
1972,7,7.9,9.5,11.8,13,14.1,18.2,17.3,16.1,14,9.5,9.1
1973,8.5,8.2,10.3,11.1,14.1,16.9,17.3,18.7,17,12.9,10.6,8.7
1974,9,8.4,9.3,13.8,14.1,16.9,16.7,17.5,14.1,11.2,9.1,10.2
1975,9.2,9.1,9,11.8,14.9,18.5,19.5,19.6,15.6,13.6,10.1,8.3
1976,8.6,8.3,9.6,12.7,13.8,18.5,19.5,21.1,16.6,12.6,9.5,5.4
1977,6.3,8,10.2,10.8,15.2,16.4,19.3,18.9,16.1,13.9,8.6,8.8
1978,7.1,6.8,9.6,11,15.5,16,17.2,17.4,16.9,14.2,11.3,7.5
1979,5.3,5.9,8,10.7,12.5,16.4,18.2,17,15.7,13.9,10.6,8
1980,6.6,9.2,8.5,12.5,15.1,15.7,16.8,17.9,16.3,12.1,9.5,9.1
1981,9.1,7.8,10.9,13,13.6,15.6,16.9,19.2,16.9,10.9,10.9,6
1982,7.5,9.3,10.1,13.3,14.7,17.9,20,18.1,16,13,9.9,8.2
1983,9.5,6.3,10.1,10.2,13.1,17.1,21.6,20.7,16,13.2,10.9,9.7
1984,7.3,8.9,8.5,13.7,15.2,16.6,20.4,20.3,16.1,13.8,9.3,9.1
1985,5.1,7.6,9.1,12.5,14.3,16.2,17.5,16.1,16.9,13.8,8.3,9.1
1986,7.5,3.8,9.2,9.8,12.8,17.1,16.9,16.2,15.4,13.8,10.8,9.1
1987,6.5,8.2,9.3,13.2,14.1,15.7,18.7,18.8,16.1,12,10,8.9
1988,8.1,8.2,10.3,13.2,15.1,18.2,16.5,17.2,15.2,13.3,10,10.5
1989,10.3,9.4,10.5,10.9,16.7,17.7,21.4,18.6,16.2,13.7,9.7,7.1
1990,9.3,9.4,11.2,12.1,17.2,16.1,20.1,18.9,16.2,13.7,9.7,7.8
1991,7.2,7.2,11.2,11.7,15.4,16.3,19.3,19.8,18.6,12.6,9.8,9
1992,8.2,9.7,10.5,11.5,16.9,18.9,19.4,17.4,15.1,11.5,10.7,7.8
1993,9.5,9.5,10.2,12.9,15.4,17.3,17.7,17.7,16.2,12,9.3,8.7
1994,8.3,7.5,10.4,11.6,14.6,16.2,18.8,17.9,15.7,14.1,12.4,9.7
1995,8.4,9.2,9,13.2,14.5,19.3,20.8,20.9,17.6,15.5,11.1,6.8
1996,8.2,7.6,9,12.7,13.9,18.3,18.9,18.6,18.5,14,9.8,7.2
1997,6.8,9.9,11.8,14.4,16.7,17.4,19.5,20.1,17.2,14.4,11.4,9.2
1998,8.6,10.7,11.5,11.9,16.3,16.9,17.6,18.7,18,14.2,10.6,9.9
1999,8.7,9.5,10.7,13.4,15.7,16.4,20.2,19.3,17.6,14,10.9,8.4
2000,7.9,10,11.1,11.7,16.2,17.9,19.9,19.7,17,12.8,9.4,7.8
2001,6.8,8.6,9.4,12.1,17,17.2,18.9,18.9,17.1,15.3,11.5,8.1
2002,10.1,9.8,11.1,13.2,15,15.9,17.7,18.8,18.4,13.7,11.3,8
2003,8.1,8.9,12.1,14.7,14.1,18.1,18.9,21.3,17.8,13.6,11.3,8.9
2004,9,8.7,11,12.7,15.7,17.8,17.7,19.4,17.1,12.1,11.1,9.4
2005,9.7,8.1,11.5,12.5,14.4,18,18.9,18.9,17.2,14.3,10.3,8.7
2006,8.3,8.4,9.1,12.1,14.7,19,21.3,18.5,18.1,14.8,10.8,9.1
2007,9.3,9.2,10.9,15.7,15.2,18.3,17.9,18.1,17.2,15.5,11.7,9.7
2008,9.3,9.6,9.8,11.9,17.2,17.1,18.5,17.8,16.1,12.9,10,8
2009,7.7,8.5,11.2,12.7,14.7,19.3,18.6,17.9,16.7,14.3,10,6.3
