1901,6.8,5.5,7.1,12.4,16.3,17.2,20.9,19.2,16.7,12.8,8.9,6.9
1902,7.8,5,9.9,11.3,12.5,16.2,17.7,17.8,16.7,13,10.4,7.6
1903,7.4,9.8,9.6,10.3,14.4,16.3,18.1,17,15.8,13,9.9,6.1
1904,7.5,6.2,7.5,12.2,14,17,19.5,18.5,16.4,13.6,9.4,8.1
1905,7.6,8.2,9.8,10.9,15.1,17.8,20.4,17.5,15.4,11,8.3,8.8
1906,8.4,6.5,8.7,11.6,13.2,18.1,19,20.3,17.9,13.7,10.4,6.6
1907,7,6,10.5,11,13.3,15,18.1,17.6,17.9,12.5,9.9,8
1908,6.8,8.7,7.8,10.2,15.7,18,19.1,18.5,16.1,15.8,11.5,8.4
1909,7,7.1,6.8,13.3,15.6,15.9,18,19.6,15.3,13.3,8.6,7
1910,7.1,8.3,9.8,10.6,15,17.5,17.6,18.1,16.3,13.6,8.1,8.9
1911,7,7.9,8.3,11.1,16.8,18.3,22.2,21.4,17.6,13.2,9.1,9.1
1912,7.3,8.3,10,13.6,15.5,16.6,19,15.5,14.7,12.5,9.5,10.1
1913,7.7,7.8,9,11.2,14.6,17.2,18.5,19.8,17,14.2,11.5,8.1
1914,6.8,9.7,9.2,13.7,15,18.4,18.8,19.8,17.3,13.7,10.3,7.5
1915,6.5,7.1,9,12.1,15.3,18.1,17.7,18.6,17.2,13,7.2,8.2
1916,10.5,7.1,6.3,12,14.9,15.6,18.8,20.3,16.7,14,10,5.9
1917,4,5.1,7.1,9.6,16,18.1,19.8,18.3,17,11.4,11.4,6.2
1918,7.3,9.5,9.5,10.8,16.2,17.4,19,19.3,15,12.4,9.6,9.8
1919,6.2,5.7,7.6,11.6,16.9,17.8,17.9,20.1,16.5,12.3,6.6,9.1
1920,8.4,9.6,10,11.3,15.2,17.6,17.1,17.3,16.7,14.6,11.2,7.3
1921,10.2,8.2,10.3,12.8,15.4,19.6,22.4,18,17.8,16.1,10.4,9.8
1922,7.5,8.3,8.6,9.9,16.5,17.5,16.7,16.4,15.4,12.4,9.6,8.3
1923,8.7,8.8,9.9,11,13,16.4,20.3,18.3,15.6,12.7,7.1,7.7
1924,8.1,6.6,8.2,10.9,14.4,17.1,18,17.2,15.7,13.6,10.4,10
1925,9,7.8,8.6,11.3,14,19.5,19.6,19.1,15,14.3,7.4,6.7
1926,8.5,9.4,9.6,12.8,14,17.1,20.6,20.4,18.1,12.5,9.4,7.3
1927,7.9,7.9,10.2,11.5,15.8,16.1,18.9,18.6,15.2,14,9.4,5.9
1928,8.9,9.4,8.8,12,15.2,16.3,19.1,18.5,16.6,13.8,11,7.6
1929,5.1,5.4,9.5,11,15,16.8,19.5,18.2,18.8,12.8,10.1,8.9
1930,8.2,5.1,8.8,11.6,14.6,18.9,18.1,18.4,16.9,13.6,9.8,7.5
1931,7.2,7.1,8.4,10.5,13.6,16.7,17.3,17.5,14.8,12.9,11.1,8.8
1932,9.5,6.6,8.4,10,12.7,17.4,17.8,19.2,15.9,11.8,9.9,8.6
1933,6.3,6.8,10.9,11.7,14.6,17.6,19.7,20.3,18.3,13.4,9.2,5.8
1934,8.1,6.8,8.6,10.3,13.6,17.7,20.7,18,17.2,13.1,9.4,10.6
1935,7.9,8.3,9.6,10.9,13.3,16.6,19.1,18.8,16.7,12.5,10,7
1936,7.2,6.7,9.8,9.3,14.1,16.9,17.5,18.4,17.1,13.3,9.6,9
1937,8.4,8.2,7.1,12.4,14.7,16.3,18.2,19.1,16.2,13.3,9.7,7
1938,8.7,7.8,11.3,11.1,13.5,15.9,17,18.1,16.4,13.5,12,7.8
1939,7.3,8.4,9.1,11.5,14.3,17,17.4,18.7,16.6,12.2,11.9,7.1
1940,4.9,7,8.9,11.7,14.7,18.9,17.5,18.6,16,13.2,10.1,7.6
1941,4.6,6.6,8.6,9.6,12.3,17.1,19.2,18.2,18.5,14.7,11.2,9.4
1942,6.8,5.6,10,13.8,14.5,17.5,18.7,18.9,16.6,13.4,9.1,10.1
1943,8.9,9,10.5,13.6,15.3,17.3,19.8,18.7,16.5,14.6,10.5,8
1944,9.9,7,9.1,13.5,14.8,17.2,18.9,20.8,16.2,12.9,10.1,9.3
1945,5.1,9.2,10.6,13.7,15.3,17.4,19.1,19.7,17.8,16.2,11,9.7
1946,7.8,8.8,9,12.9,15.4,15.9,18.4,17.3,16.2,14.1,11.2,7.9
1947,6.7,2.5,7.7,11.1,15.8,17.7,18.5,22.9,18.2,15.1,11,8.4
1948,8.2,7.6,12.6,12.4,15.8,16.4,18,17.7,16,13.9,12.2,9.5
1949,8.9,8.8,9.7,12,15,19,20.5,19.9,19.6,15.2,10.6,9.4
1950,8.2,8.6,11.1,11,16.2,18.8,18.7,18.2,15.5,13.1,9.7,5.3
1951,7.4,6.8,7.6,10.4,13.8,17.6,19,17.5,16.8,14,11.4,9.2
1952,6.6,7.1,9.7,12.7,16.7,17.1,19.6,18.8,14.7,12.6,8.5,7.3
1953,6.8,7.3,9.9,11.4,16.6,17.8,18.4,19.2,17,13.6,11.3,10.8
1954,7.1,6.8,9.8,11.9,14.9,15.9,16.6,17,15.5,14.3,10.9,9.2
1955,6.6,4.9,7.3,12.7,13.6,16.7,22,21.7,17.4,13,11,9.7
1956,7.6,4.2,10.5,11.5,15.2,16.4,18.5,16.8,16.8,13.2,10,9.1
1957,8.8,8.6,12.2,12.7,15,19,19,18.9,15.5,14,9.7,8.5
1958,7.3,8.4,7.8,11.1,13.9,16.5,18.3,17.9,17.9,13.6,10.4,8.4
1959,6.5,8.3,10.6,12.4,16.9,18.9,20.6,20.6,19.1,16,10.6,9.4
1960,8.7,7.3,10.4,12.7,16.6,19.2,18,18.2,16.3,13.6,10.8,7.2
1961,7.4,9.4,10.9,13,14.9,17.3,18.2,18.2,17.7,13.6,9.7,7
1962,7.8,7.4,7.2,11.4,13.3,16.6,18.1,17,15.2,14.3,9.6,7.1
1963,3.2,4.4,9.3,11.3,13.3,17.8,17.9,17.4,16.1,13.8,11.3,6.6
1964,7.6,7.5,8.3,11.7,15.8,16.6,18.5,18.6,17.7,13.2,11,7.8
1965,6.8,6.5,9.4,11.6,14.5,17.2,17.4,18.2,15,15.2,9.1,8.4
1966,6.6,8.4,10,11,14.7,18,18.5,18.3,17.8,13.3,9.1,8.9
1967,7.9,8.3,9.6,11.6,13,17.8,19,18.4,16.4,13.3,9.6,7.9
1968,8,5.9,9.4,11.4,13.3,18.4,18.9,19.6,17.1,14.8,10.2,7.9
1969,8.5,4.9,8.1,11.7,14.1,17.9,19.5,19,17.1,16.1,9,7.4
1970,7.9,6.9,7.7,9.9,15.7,20.1,17.9,19.2,17.2,13.8,10.9,8
1971,8.1,8.2,8.5,12,15.3,16.2,20.9,18.8,19.1,15.4,10.6,9.7
1972,7.3,7.8,10.2,11.6,13.5,14.6,19.1,18.1,16.5,14.8,9.8,10
1973,8.2,7.7,10.2,11,15,18.5,18.5,19.9,17.5,13.1,10.3,8.7
1974,9.4,8.5,9.4,13.2,14.2,17.3,17.3,18,14.8,11.1,9.8,10
1975,9.3,8.8,8.2,11.4,14.4,19.2,20.3,20.9,16.2,14.1,10.5,8.4
1976,8.4,7.6,8.6,12,14.6,19.9,21.1,22.2,16.2,13.5,10.1,6.3
1977,6.3,8.2,10.1,10.3,15.2,16.4,19.8,19.4,15.9,15,9.4,9
1978,7.1,6.6,9.6,10.5,16.2,16.9,17.4,17.7,16.7,14.9,11.6,8.2
1979,5.4,5,7.9,10.7,12,16.8,19.1,17.6,16,14.8,10.7,8.8
1980,6.5,9.1,8.4,12.5,16.2,16.5,17.8,18.2,17.1,12.2,9.7,9.1
1981,8.2,6.7,10.3,12.1,14.2,16,18.1,19.9,17.6,11.4,10.7,6
1982,7,8.4,9.6,12.4,15.1,18.5,20.2,18.6,17.3,13.3,10.7,8
1983,9,5.8,9.2,10.4,13.4,17.5,23.4,21.5,16.6,13.6,10.9,9.2
1984,7.4,7.4,8.2,12.9,14.5,18.3,20.7,21.1,16.3,13.8,10.2,8.7
1985,5.1,6.5,8.3,11.4,14.6,16.3,18.7,16.9,17.3,14.2,8.2,9.1
1986,7.1,3.1,8.3,9,13.4,18.3,17.9,16.3,15.1,13.9,10.8,9.1
1987,5,6.9,8.1,13.6,14.1,15.4,19.1,18.5,16.5,12.8,9.7,8.3
1988,8.3,7.4,9.3,12.1,15.7,18.8,17.1,17.8,15.8,13.9,9.8,10
1989,9.4,8.9,10.3,10.5,17.1,18.8,22.2,20,17.4,14.7,10.4,8.5
1990,9.2,9.7,10.7,12.1,17.2,16.6,20.6,20.5,16.6,14.5,10.1,7.7
1991,6.9,6.1,10.7,11.6,15.4,15.7,19.4,20,18.7,13.3,10.1,8.8
1992,7.7,8.3,10.1,11.7,16.9,19.8,19.2,17.9,15.8,11.3,10.6,7.8
1993,9.1,8,9.5,12.7,15.1,17.7,18,18.2,16.2,11.9,9.1,8.5
1994,8.2,7.1,9.8,11,14.1,16.6,19.7,18.4,15.4,14,12.2,10.1
1995,8.3,9,9,12.2,15,18.3,20.8,23.2,17,15.5,11.3,6.8
1996,7.3,7,7.8,11.3,12.5,17.5,19.3,19,17,14.3,9.6,6.1
1997,5.6,9.5,11,13,15.5,16.8,19.4,20.6,16.8,14.2,11.4,9.2
1998,8.1,9.6,10.5,10.9,16.5,17,17.9,19.1,17.4,13.5,9.8,8.9
1999,8.6,8.1,9.7,12.3,15.8,17.1,20.5,19.4,18.1,13.9,10.8,8.2
2000,7.8,8.8,10.3,10.9,15.6,17.4,19.1,19.7,17.4,13,9.6,8.3
2001,6.9,7.9,8.7,11.4,16,17.5,19.1,18.7,16.5,15.5,11.1,7.2
2002,8.9,9.8,10.2,12.1,15,16.9,18.1,18.7,17.2,13.5,11.5,7.9
2003,7.4,7.7,10.9,13.5,15,18.7,20.1,20.8,17.8,12.6,11.5,8.2
2004,8.4,7.6,9.5,12.3,15.5,18.7,18.6,20.2,17.5,13.4,11,8.7
2005,9.3,7,10.2,12.1,14.6,18.4,19.5,19.7,17.9,15,10.1,8.1
2006,7.1,7,8.2,11.9,15,19.3,21.9,19.1,18.9,15.9,12.2,9.8
2007,9,9.4,10.6,15.6,15.9,18.4,18.5,18.9,17.3,14.4,11.5,9.2
2008,9.7,9.9,9.9,12,16.9,17.9,19.9,18,16.7,13.5,10,7.5
2009,6.8,7.3,10.8,13.1,15.6,19.3,19.2,19.2,17.2,14.7,10.9,7.3
