1901,7.9,5.4,8.6,11.3,13.3,18.5,19.8,20.9,18.2,13.1,10.1,7.3
1902,7,8.8,9.5,11.9,12.5,15.9,19.8,20.9,17.8,12.4,11.1,8.6
1903,8.2,7.4,9.4,10.7,13.1,16.2,19.3,20.9,17.6,14.9,10.9,7.5
1904,7.2,7.7,8.2,10.8,14.9,17.3,20.9,21.4,17.9,14.9,10.6,9.9
1905,7,5.7,10.3,12,13,16.7,19.6,20.8,17.6,13.6,10.4,8
1906,8.3,6.6,8.7,10,13.2,17.1,19.4,21.5,18.6,14.6,10.3,7.8
1907,6.5,5.9,8.3,10.8,12.4,17.2,18,20.1,17.8,13.1,11.1,9.8
1908,8.2,6.7,7,9,13.5,15.1,18.8,20.3,18.7,14.4,11.8,9.1
1909,6,5.5,9,10.8,13.4,15.2,18.2,20.6,16.1,14.2,11.1,9.9
1910,7.2,8.7,7.8,10.5,12.7,16.7,19.2,20.1,17.7,14.9,11,9.4
1911,5.6,6.9,8.4,9.8,13,15.9,19.3,21,19.4,14.3,10.6,9.6
1912,8.3,9.9,10.4,10.4,14.5,16.8,18.3,18.9,16.4,13.6,9.6,7.1
1913,9.1,7.1,8.2,10.3,13.7,17,19.3,19.7,16.9,14,11.8,8.3
1914,6.4,8.2,9.5,11.1,13.6,15.2,18.8,19.8,18.3,14.1,10.3,7.5
1915,6,6.2,8.9,8.5,13.6,16.4,20.4,21.1,17.3,12.6,10.4,8.7
1916,6.3,6.4,7.6,9.9,13.3,16.1,19.1,20.3,16.9,14.4,9.9,8.5
1917,6.2,6.8,7,8.9,13.2,16.3,19.8,20.2,19.1,12.9,8.8,4.8
1918,7.8,6.4,7.2,8.9,13,16.1,19.7,20.6,18.5,11.5,9.6,7.5
1919,5.7,8.3,8.7,9.2,12.9,16.3,18,21.2,17.9,12.1,9.6,6.4
1920,6.7,7.5,8.3,11.3,14.2,17,19.5,20.3,18.3,13.4,9.6,7.7
1921,6.7,6.9,7.7,9.1,12.6,15.8,19.9,20,19,15.8,9.6,6.3
1922,6.6,6.7,8,10.7,14,16.1,19.6,20.5,16.4,14.5,9.5,6.1
1923,4.1,7.1,8.7,8.6,13.1,14,20.2,21.2,16.5,16,8.9,5.3
1924,6.8,5,9,10.4,15.6,17.4,20,20.2,18.1,14.2,9.9,6.4
1925,4.5,5.1,5.6,9.7,12.3,15.5,17.9,20.5,16.8,12.2,8.5,8.5
1926,7.1,8.7,8.9,11,12.6,16.4,20.3,20.5,19.4,15.5,8,6.3
1927,5.6,5.3,7.6,10.5,14.7,16.4,18.7,21.2,17.6,13.7,8.3,6.4
1928,5.3,6.7,8.6,9.5,10.9,16.9,20.2,19.9,18.3,13.6,8,5.5
1929,5.6,7.5,8.3,10.8,12.4,16.7,19.5,20,18.6,13.3,9.3,8.3
1930,8.2,5,8.9,9.5,13.7,15.7,18.7,21.4,18.4,15.7,10.6,9.3
1931,6.8,6.1,10,11.4,13.5,18.2,20.3,19.9,17.4,15,10.9,5.9
1932,6.3,5.8,9.5,9.6,13.3,15.9,18.2,20.7,18.5,13.1,10.2,8.5
1933,6.3,6.8,8.7,11.9,15.2,16.2,20.6,22.6,19.1,15.1,8.2,5.6
1934,5.1,5.1,6.3,9.5,13.6,17.8,20.5,19.9,19,13.8,8.4,9
1935,4.5,5,8.7,10,12.4,17.1,21.1,21.2,19.1,12.8,9.3,8.4
1936,8.7,9.1,8.6,10.8,11.6,15.5,19.5,20.5,19.1,12.3,8.7,5.6
1937,7.8,8.5,8.2,11.5,12.8,16.7,20.3,21.4,17.7,14.7,12.1,7.2
1938,6,5.1,7.8,10.4,12.2,19.4,20.2,19.7,16.3,15,10.9,7.5
1939,8.2,6.7,6.9,9.6,11.6,15.5,19.8,19.8,18.3,13.5,9.9,7.7
1940,7.6,9.3,10.3,11.1,13,15.6,19.4,20.9,18.1,13.1,9.1,5.7
1941,6.2,8.1,9.2,10.9,12.5,16,19.5,20.8,19.1,14.3,9.9,6.7
1942,6.5,4.5,10.1,11.6,14.7,17.3,20.1,20.5,18.6,15.7,10.8,8.9
1943,7.7,6.2,9.2,12.2,14.7,18.3,18.9,19.7,17.1,13,8.4,8.4
1944,5,3.6,7.6,11.4,14.4,17.6,19.4,21,19,11.8,9.2,6.2
1945,4.2,6.3,8.8,12.3,15.7,18.5,19.9,20.3,19.6,14.8,12.3,9.2
1946,6.6,6.5,8.6,10.9,12.1,16.8,21.5,21.9,19.1,15.2,9,6.9
1947,5.6,6.9,9,10.8,11.5,17.2,21,21.5,19,13,10.7,6.3
1948,4.4,8.2,10.4,11.5,13.4,17.6,19.1,20.8,18,15.1,9.8,8.6
1949,6.9,6,9.1,12.7,12.4,17.6,20.2,22.2,19.4,15.2,10.7,9
1950,7,7,8.3,10.2,13.5,17.2,21.5,21.5,18.8,15.7,11.5,7.1
1951,6.3,6.8,9.1,10.8,11.3,17.5,20,19.5,18,12.9,9.4,9
1952,5.8,6.8,9.1,10.6,14.2,17.7,20.3,19.8,16.2,13.8,10,7.3
1953,5.9,6.4,9.1,11.7,14.2,15,20.4,21,17.8,14.2,11.9,10
1954,6.6,5.6,8.7,10.1,13.3,15.9,18.9,19.2,17.7,14.1,12,8.9
1955,9.7,8,8.4,11.6,15.9,17.7,20.5,21.3,19.6,14.7,11.6,9.5
1956,6.8,4.1,8,10.3,12.7,16.3,18.2,19.2,16.6,14.5,9,5.4
1957,5.6,7.1,9.3,10.9,12.7,15.6,19.9,20.5,19.2,14.5,9.7,6.8
1958,7.1,8.9,8.6,9.9,13.8,16,18.9,19.8,18.6,14.3,10.8,9.2
1959,8.1,7.6,10.2,10.8,14,16.9,21,20.3,18.9,15.8,10.7,7.7
1960,6.4,7.5,9.7,10.6,14,19,20.6,20,17.5,11.4,9.6,6.9
1961,7.1,7.5,8.4,10.8,15.3,17.7,21,21.9,20,14.1,10.1,8
1962,7.6,6.2,9.4,11.4,13.9,17.3,20.5,21.1,19.7,15.8,8.6,6.6
1963,7.7,6.8,7.8,10.2,12.9,16.1,21,19.8,17.1,13.7,9.7,7.9
1964,8.2,7.2,9.4,9.4,14.9,17.2,20.6,21.5,21.1,13.5,9,7.3
1965,7.5,6.7,9.4,10.7,13.8,17.2,19.8,20.1,16.3,14.9,10.4,8.2
1966,7.8,7.6,7.6,10.4,14.7,17,20.2,20.5,19.5,12.8,7.4,6.4
1967,6.2,7.4,9,9.4,13.4,16.5,19.8,21.2,16.3,15,11.3,6.3
1968,6.2,7.2,9.3,10.5,12.6,16.5,20.3,19.7,16.1,14,9.7,7.5
1969,8.1,7.4,9.5,10.9,14,15.5,20.4,20.5,16,14.4,10.4,6.9
1970,7.7,6.1,8,9.3,12.9,15.6,19.6,20.7,18.8,13.3,10.8,5.3
1971,6.5,5.9,7.7,9.7,11.1,14.2,19.6,19.9,18.2,16,7.9,6.8
1972,6.7,6.7,8.3,9.1,11.2,14.7,18.1,20.1,16.4,13.3,10.3,6.6
1973,6.1,5.4,7.5,8.7,12.9,16.6,18.9,21.4,17.6,12.9,10.5,5.9
1974,6,6.2,9.6,8.4,13.2,16.4,20.4,20.1,17.5,12.1,8.6,6.4
1975,6.4,7.3,7.6,9.7,11.7,15.1,19,21.3,16.2,13.7,8.3,7.5
1976,5.3,7.5,8.6,8.6,13.4,17.8,20.2,20.1,16.1,11.6,6.7,7.2
1977,7.2,7,8.2,9.5,11.8,13.3,17.8,18,17.6,15,13.7,9.7
1978,7.3,8.1,8.7,10.5,12.6,15,16.7,20.9,18.2,14.3,11,8.8
1979,10.2,8.2,8,9.9,12.8,17.9,21.4,20.7,15.4,13.9,9.2,7.9
1980,6.1,7.8,8.8,10.2,13.5,16.4,18.5,21,20.4,14.1,10.3,7
1981,4.6,6.4,9.1,10.7,13.1,17.8,19.7,19.6,17.6,13.5,11.2,8.9
1982,7.1,8.7,8.8,10.9,14,19.3,19.2,20.7,18.9,13.1,9.8,7.5
1983,5.9,6,8.9,10.1,12.7,17.9,18.9,19.8,20.3,15.9,12.4,8.2
1984,7.1,6.7,7.4,12.9,11.2,16.3,20.8,20.2,18.4,13.1,10.5,8.2
1985,5.5,8.2,7.8,11.5,13.8,18.2,21.6,20.3,20.2,15.8,10.7,7.8
1986,6.5,8.4,8.5,10,15.3,17.1,20.7,20.7,19.9,15.9,10.8,7.3
1987,6.7,8.1,10.2,12.4,13.7,17.6,21,21.7,20,15,11.1,9.2
1988,8.5,7.8,8.4,12,14.2,17.4,20.2,22.1,18.5,15.2,12.2,6.5
1989,6.9,8,9.1,10.8,14.5,18.4,22.2,22.1,19.2,15.7,11.7,10
1990,7.7,7.6,10.7,10.6,14.5,17.2,21.9,22.2,21.3,14.7,9.8,7.5
1991,6.6,6.8,9.7,10.2,12.6,17.6,21.2,22,20.3,13.1,8.9,8.6
1992,6,6,8.7,10.6,14.8,14.9,20.5,21.5,18.5,12.7,9.4,8.8
1993,6.1,7.4,8.6,9.9,13.7,17.9,20.6,22,15.9,12.3,10.4,7.6
1994,6.3,7.1,9.8,10.5,13.5,17.8,21.5,21.7,16.7,15.3,11.6,8.1
1995,7,8.1,9.4,11,15.4,17.9,20.9,21.7,15.7,16.1,11.6,9.5
1996,9.8,7.8,9.5,11.7,13.7,19.3,20.8,20.7,17.1,13.4,10.2,8.2
1997,8.7,8.1,9.8,12.8,14.8,17,20,22.1,20.5,16.8,11.6,8.8
1998,7.9,9.4,9.1,11.6,14.6,18.1,22,23.6,19.5,12.9,10.5,6.7
1999,6.7,6.1,9.3,11.6,15,18.7,21.2,20.9,18.4,16.1,9.5,8.1
2000,5.9,8.1,9,10.9,15.3,19.6,20.7,21.4,18.6,13.1,9.6,7.8
2001,7.6,7.7,10.5,11.5,13.6,18.5,19.7,22.1,19.3,16.4,9.9,7
2002,7.3,6.7,9.5,10.6,14.2,18.2,20.2,19.9,17.9,14.6,10.3,9.4
2003,7,7,10,10.9,14.7,19.7,20.1,23,19.2,15.4,10.8,7.9
2004,7.8,8.1,9.2,10.6,13.3,18.8,21.4,21.6,18.9,15.1,9.8,8.5
2005,3.8,5.2,8.3,11.5,15.5,19.1,21.5,21.2,17.6,15.4,9.7,7.2
2006,6.3,6.6,9.1,12.2,15.5,17.6,21.2,20.5,17.9,14.8,11.1,7.6
2007,5.4,9.3,8.6,11.7,13.6,17.5,21,21.9,19,14.9,9.6,7.6
2008,6.9,9.3,8.6,11.4,13.5,17.7,21,21.9,18.5,15.1,8.5,6.8
2009,6.9,6.6,9.2,10,14.9,17.9,20.4,22.8,18.6,15.2,11.5,7.6
