1901,7.1,5.9,7.3,11.9,15.5,16.1,20.3,18.2,15.9,12.1,9.1,6.4
1902,7.5,5.1,9.9,11.1,11.8,15.4,17,17,16.1,12.3,10.2,8
1903,6.9,10,9.3,9.5,13.6,15.7,17.5,16.6,15.4,12.1,9.5,6.2
1904,7.3,5.9,7.7,11.6,13.3,16.5,18.5,17.7,15.7,12.8,9.2,7.7
1905,7.9,8,9.7,10,14.7,17.8,19.7,17,15,10.6,8.2,9.6
1906,8.2,6.3,8.8,11,12.3,17.7,18.4,19.4,17.3,12.9,10.3,6.6
1907,7.2,6.3,10.5,10.5,12.5,14.4,18.2,16.8,17.1,11.9,9.1,7.8
1908,7.1,8.7,7.8,9.6,15,17,18.6,17.7,15.6,15,11.1,8.4
1909,7.6,7.5,6.9,12.2,14.5,15.3,17.1,18.7,14.9,12.3,7.8,6.8
1910,6.9,7.9,9.5,10.3,14.2,17.1,17.6,17.6,15.9,12.9,7.3,8.8
1911,7.5,8.1,8.4,11.1,15.9,17.4,20.7,20.2,16.5,12.4,8.8,8.7
1912,7,8.2,10.1,12.6,14.6,15.9,17.7,14.9,14.2,11.7,9.4,9.9
1913,7.5,8,8.6,11,13.5,16.2,17.5,18.8,16.3,13.4,11.3,7.9
1914,7.3,9.8,9,13.1,14,17.7,18.6,19.4,16.4,13.2,10.1,6.5
1915,6.3,6.8,9.2,11.7,13.7,17.5,17.2,17.8,16.6,12.3,6.8,7.4
1916,10.7,7.1,6.3,11.6,13.9,15.2,18.4,19.8,16.1,12.9,9.9,6
1917,4.8,5.8,7.2,9.2,14.9,17,19.5,18.3,16.7,10.4,11.3,6.9
1918,7.2,9.6,9.7,10.6,15.5,16.9,18.3,18.8,13.8,11.8,9.3,9.8
1919,6.2,5.6,7.1,11.4,16.2,16.6,17.6,18.9,15.8,12.1,6.4,8.7
1920,8.4,9.4,9.8,10.4,14,16.7,16.7,16.8,16,13.4,11.3,7.4
1921,10.1,8.1,9.9,12.1,14,18.1,21.4,17,16.7,15.1,9.7,10
1922,7.2,8,8.5,9,15.2,16,16,15.7,14.6,11.7,9.9,8
1923,9.3,8.4,9.7,9.9,11.6,15.6,19.2,17.1,14.8,12.2,6.7,7.7
1924,8,7.1,7.8,10.2,13.5,16.1,17.1,16.5,14.8,12.4,10.5,10.1
1925,8.6,7.1,8.6,10.5,13,18.1,18.8,18.4,14.3,13.1,7.3,6.6
1926,8.5,8.9,9.3,12.5,12.9,16.3,19.6,19.1,16.8,11.2,8.6,7.6
1927,7.8,8.2,10,11.1,14.3,14.5,18.4,18.1,14.6,13.5,9.2,5.9
1928,8.8,9,8.2,11.2,14.2,15.1,17.7,17.5,15.6,12.8,10.5,7.7
1929,5.8,5.9,9.7,10.3,14.5,16.2,18.6,17.4,17.5,12,9.7,8.3
1930,7.7,4.7,8.5,11.1,14,18,17.4,17.3,15.9,12.5,9.1,7.8
1931,6.9,7.1,8,10.2,13,15.5,16.8,17,14.3,12.5,10.6,9.2
1932,9.9,7.6,9,9.8,12.6,17.6,17.6,18.2,15.2,11.7,9.8,9
1933,6.6,7,10.6,11.9,13.6,17.3,19.4,19.5,17.7,12.8,9.1,7
1934,8.7,8.2,8.5,9.7,13.3,17.3,20.2,17.1,16.4,12.4,9.4,10.4
1935,8.1,8.7,10,10.9,13.8,16,18.9,18.5,15.7,12.1,9.1,6.5
1936,6.2,6.5,9.4,9.5,13.9,16.7,17,18.7,16.5,13.2,9,8.9
1937,8.3,7.6,6.7,11.4,14.4,15.8,17.6,18.8,15.8,12.4,9.4,6.9
1938,8.5,8.3,12,11.8,12.8,15.4,16.7,18,16.4,13,11.1,7.8
1939,6.8,8.7,9.3,11.4,14.2,17.4,17.2,18.9,16.4,12,11,7
1940,5.1,6.6,9.2,11.1,14.7,19.2,17.2,18.5,15.9,12.1,9.8,8
1941,4.1,6.7,7.6,9.1,12.7,17,18.3,17.4,18.2,14,10.3,9.3
1942,6.8,5.7,9,12.6,13.6,16.8,17.7,17.8,15.3,12.5,9.1,10
1943,8.3,9.4,10.1,12.9,14.2,16.8,19.1,17.4,15.5,13.7,10.2,8.1
1944,9.8,7.5,9.7,13.2,14.1,15.9,18,19.6,15.5,12.1,9.3,8.9
1945,4.7,9.7,11.2,12.9,14.1,16.3,18.3,19,17.1,14.5,10.7,9.6
1946,7.3,8.4,9.5,12.7,14.2,15.6,17.7,16.8,15.7,12.4,10.7,7.6
1947,6.6,2.3,6.3,10.7,14.8,16.8,17.9,22,17.3,14.4,10.6,8.1
1948,7.3,7.4,12.5,12.3,14.7,15.5,17.8,17.3,15.8,13.3,11.8,9.3
1949,8.9,8.9,9.6,12,14.4,18.7,19.6,19,18.6,14.3,10.2,8.7
1950,8.5,8.1,11.2,10.1,15.1,18.3,18.2,17.9,15,12.2,8.7,5
1951,6.6,6,7.5,9.8,12.8,17.1,18,17.4,16.6,13.5,10.8,8.7
1952,5.6,7.1,9.7,12.7,15.7,16.1,18.8,18.2,13.8,11.8,8,6.8
1953,7.4,8.4,9.7,10.7,16,17,17.6,18.3,16.9,13,11,10.6
1954,7,6.5,9.2,11.6,13.7,15.2,16.1,16.6,15,13.7,9.9,9.3
1955,5.9,4.5,7.8,13,12.8,15.5,21.3,20.8,17.1,12.4,10.9,9
1956,6.6,5.3,10.3,11.5,14.9,15.8,18.2,16.1,16.2,12.5,9.9,9.3
1957,8.8,7.9,11.7,11.9,13.9,18.2,17.5,17.7,14.8,12.9,9.6,8.4
1958,7,7.8,7.1,10.6,13,15.6,18.1,17.4,17.5,13.1,10.3,7.9
1959,5.7,8.9,10.5,11.6,16.3,17.9,19.3,19.3,18,15.1,9.9,9.1
1960,8.1,6.7,9.4,12.2,16,18.3,17.3,17.5,15.7,12.9,10,6.6
1961,7.1,9.6,11.5,11.8,13.7,16.3,16.9,17.6,16.9,12.9,9.1,6.5
1962,7.4,8,6.7,11,13.2,16,17,16.8,14.9,13.2,9,7.3
1963,3,3.8,9.6,11.1,12.7,17.1,17.3,16.7,15.5,13.5,10.5,6.6
1964,8,7.4,7.7,11.5,15.5,15.8,18.1,17.7,16.6,12,10.5,7.4
1965,6.2,6.5,8.5,11.3,13.9,16.7,16.3,17.4,14.8,13.6,7.6,7.5
1966,6.6,7.6,10.1,9.5,14.2,17.2,17.9,17.4,16.5,12.3,8.8,8.9
1967,7.9,7.9,9.5,11.4,12,17,18.4,17.8,16.1,12.6,9.3,8
1968,8.2,5.7,9.5,11.5,12.3,17.7,17.6,19.1,16.1,14.5,9.5,7.4
1969,7.9,4.2,6.7,11.1,13.4,17,19.1,18.4,16.9,15.6,8,7.5
1970,7.2,6.3,7.9,10,15.4,19.4,17.2,18.9,16.5,13.2,10.4,8
1971,8.4,8.4,8.8,11.4,14.5,15.4,19.4,17.8,17.9,14.5,10.6,9.9
1972,7.5,7.9,9.3,11.6,12.8,14.3,18.5,17,15.8,14,9.1,9.6
1973,8,7.4,10,10.1,13.7,17.8,18.4,18.8,16.6,12.3,9.7,9
1974,9.4,8.3,9,13,13.6,16.7,17.4,18.1,14.3,11.1,9.2,10.1
1975,9.4,8.4,8.5,11.6,13.5,18.1,20,20.7,15.7,13.5,10.1,9
1976,8.5,7.9,8.5,11.7,14,19.1,20.2,21.4,15.8,12.7,9.4,5.7
1977,6.2,7.4,9.8,10.3,13.9,16,19.5,18.7,15.5,14.4,9,9
1978,6.8,6.1,9.6,10,15.4,16.1,17.2,17.1,16.3,14.4,11.5,7.7
1979,4.6,5.3,7.3,10.1,11.9,16.6,18.4,17.5,15.7,13.9,10.3,8.2
1980,6.1,8.5,8.1,12.3,15.4,15.7,17.1,18.2,16.5,11.7,9.7,9
1981,8.3,6.8,10.4,11.8,14,15.5,17.3,18.7,16.8,10.6,10.2,5.2
1982,6.9,8.2,9.6,12.3,14.8,17.5,19.5,18.1,16.2,12.8,9.9,7.9
1983,9,5.7,9.4,9.5,12.6,16.4,21.4,20.4,15.8,13,10.4,9.5
1984,6.2,7.4,7.7,12.3,14.3,17.2,19.9,20.3,15.7,13.5,9.7,8.9
1985,4.3,6.5,8,11.5,13.3,15.6,18,16.4,16.7,13.4,7.8,8.9
1986,6.7,3.4,8.5,8.9,13.2,17.5,17.3,15.7,14.8,13.5,10.4,8.7
1987,5.7,7.4,7.9,12.8,13.4,14.6,18.6,17.8,15.9,11.6,9.5,8.8
1988,7.8,7.3,9.3,11.9,14.9,17.9,17.1,17.3,15.4,12.8,9.3,10.3
1989,9.6,8.8,10.4,9.8,15.5,17.6,21.3,18.4,16.1,13.7,9.4,7.3
1990,9.1,8.9,10.9,11.6,15.9,16.1,19.6,19.4,15.7,13.6,9.5,7.6
1991,6.6,6.4,10.4,10.7,14,14.9,19.7,19.4,18,12.4,9.7,8.9
1992,7.6,8.8,10,10.8,15.8,18.4,18.4,17,15,10.5,9.9,7.3
1993,8.6,8.4,9.5,12.1,13.9,16.5,17.2,17.3,15.5,10.8,8.8,7.5
1994,7.7,6.2,9.3,10.8,13.2,15.7,19,17.8,15.3,13.1,12.6,9.5
1995,8.3,9,8.6,12.3,14.3,17.6,20.8,21.7,16.9,15.6,11.5,6.7
1996,8.5,7,7.9,11.7,12.1,16.9,18.5,18.2,17.5,14.1,9.1,7
1997,7.2,9.2,11.1,12.4,15,16.1,19.3,20.6,16.6,13.5,11.5,9.4
1998,8.4,10.6,10.8,10.4,15.1,16.2,17.5,18.2,16.8,12.8,9.9,9.5
1999,7.8,8.1,10.3,12.2,15.2,16,20,18.4,17.3,13.3,10.7,7.9
2000,8.3,8.9,10.4,10.6,15.6,17,18.8,19.4,17.1,12.6,9.4,8.3
2001,6.8,7.5,8,10.3,15.9,16,18.3,18.2,16.1,14.8,11.3,7.8
2002,9.1,8.8,10.6,11.8,14.4,16.1,17.1,18.9,17.2,12.1,11.6,8.1
2003,7.3,7.5,11.4,13.2,13.4,17.4,19.3,20.2,16.8,11.8,10.6,8.4
2004,7.5,7.8,9.7,11.7,14.7,17.4,17.6,19.2,16.4,12.1,11.1,9
2005,8.6,7.2,10.5,11.2,13.4,17.2,18.8,18.4,17.1,14.7,9.3,8.3
2006,7.6,7.3,8.1,10.8,14.2,18.3,21.8,17.9,18.2,14.9,10.8,9.2
2007,8.8,8.6,10.1,14.9,15,17.2,18,18.1,16.6,14.4,11.3,9.3
2008,9.1,9.2,9.5,11.6,16.3,17,19,17.9,16.3,12.4,9.7,7.8
2009,6.9,7.8,10.6,12.9,14.7,18.4,18.9,18.6,16.8,14.1,10.2,6.8
