1901,6.6,7.1,8.7,8.4,11,15.2,19.9,20.5,16,14,10.5,8.2
1902,6,6.3,5.9,8.5,11.2,16.4,18.2,18,17.7,12.1,7.6,6.1
1903,6.5,3.6,6.4,7.4,11.2,15.6,17.9,19.9,17.1,14.8,11,7.4
1904,5.8,7.5,7.8,9.8,12.9,16.9,18.1,20.2,18.3,13.6,11.6,7.3
1905,6.7,7.4,8.5,8.6,9.4,14.2,18.5,19.2,16.8,13.3,8.4,6.2
1906,6.5,7.6,7.1,7.8,10.4,15.4,20.5,19.6,16.7,14.8,7.8,5.9
1907,4.1,8.5,5.4,8.8,10.5,14.3,19.1,16.9,15.1,12.7,9.7,6.9
1908,5.6,4.6,7.1,10.3,10.2,13.8,19.3,18.4,16.3,11.1,8.6,4.7
1909,5.9,4.7,4.8,9,10.5,15,18.2,19.5,16,12.6,8.6,3.7
1910,4.4,5,8,10.8,13.5,15,19.9,18.7,18,14.2,9.4,7.4
1911,5.9,3.1,7.1,7,10.6,14.2,18.9,18,15.1,11.6,8.7,4.3
1912,6.5,7.5,3.8,6.3,12,16,17.6,17.9,15.9,10.3,10.4,5
1913,3.9,4.6,6,8.3,10.9,13.8,17.7,19,17.8,12.9,9.3,5.2
1914,6.1,7.1,9.3,9.3,10.6,15,17.9,18.6,16.5,14,12.1,4
1915,5.3,5,8.3,8.1,9.8,15.8,18.3,19.8,15.4,13.6,9.4,5.9
1916,3.8,8,9.5,9.5,10.5,14.3,17.5,17.5,15.2,9.6,7.3,3.5
1917,2.5,4.7,5.1,6.6,8.9,16.9,20.4,18.3,17.8,14.9,10.5,8.8
1918,5.3,5.3,7.2,9.2,10,18.2,18.5,18.4,16.6,14.4,7.5,5
1919,7,3.9,5.3,9.1,11.8,16.9,19.7,19.3,16.4,10.8,8.3,6.7
1920,5.9,6.2,5.8,7.7,11.8,15,19.6,19.6,15.8,10.5,8.2,5.1
1921,4.7,5.9,7.8,7.4,9.2,15.6,20.2,19,16.2,13.6,10.1,7.8
1922,3.3,4,5,6.4,12,16.7,19.3,20.2,19.4,12.4,7.4,7.3
1923,6.6,5.8,7.9,7.8,12.6,13.5,18.7,18.3,17.2,12.6,10.9,6.6
1924,6,9.3,5.3,8.2,13.5,17.3,19,18.9,18.2,11.5,10.4,5.5
1925,6.5,7.8,8.2,8.8,12.3,16.6,20.8,18.9,15.9,12.2,9.1,8.9
1926,6.8,8.3,9.7,10.7,13.6,17.5,19.8,20,16.1,14.8,12.6,5.2
1927,6.5,6.5,6.3,8.8,12.8,15.8,20.8,19.5,15.7,14.6,10.9,5.1
1928,7.8,7.3,8.8,10.1,13.6,15.5,19.2,19.2,18.8,12.3,9.5,6.3
1929,5,4.4,6.8,6.9,13.1,16.5,20.2,22.2,17.1,15.5,11.8,10
1930,4.8,8.7,7.9,11.1,10.3,16.4,20.6,20.3,15.3,13.3,11.2,6.4
1931,7.4,7.3,10.1,12.1,14.4,16.1,22.7,21.1,16.9,13.3,7.4,4.2
1932,3.5,4.9,8.2,8.4,11.2,15.3,18.8,18.8,17.1,13,12.3,4.1
1933,4.1,4.3,7.4,7.5,9.4,15.2,20.2,19.5,15.1,15.4,11.6,6.9
1934,7.6,7.3,11.8,11.8,14.5,13.9,20.4,20,17.8,13.7,9.6,7.2
1935,5.7,6.9,4.8,8.7,10.8,17,19.2,20.5,17.8,12,8.1,6.7
1936,7,5.5,8,9.7,13.5,17.2,20.9,20.5,17.3,13.4,10.9,6.3
1937,2.2,4.7,6.4,9,12.7,16.5,20.3,20.4,18.8,14.5,10.1,8.3
1938,7.9,5.3,5.6,9,12,15.2,19.4,20,19,12.5,8.1,8.4
1939,5.5,3.2,6.3,10.9,12,16.2,19.3,20,17.9,13.5,11.3,9.3
1940,7,6.2,8.3,9.7,13.9,16.9,19.2,19.5,16,14.2,9.1,8.2
1941,6.6,7.4,7.6,7.4,13.3,14.7,19.5,18,14.9,11.6,10.9,6.2
1942,7.1,5.2,7.1,8.2,11.5,15.8,20.8,19.4,16.2,13.8,10.4,7.9
1943,7,7.8,7.8,9.9,13.5,14.7,18.9,19.1,18.8,13.8,10.4,6.1
1944,5.7,4.3,7,7.6,11.5,12.8,16.9,19.5,17.1,13.3,7.9,7.5
1945,6.4,6.2,4.8,8.4,11.1,14.5,20.1,20.1,18.2,13.6,9.1,6.6
1946,6.6,5.2,6.8,10.7,11,16.8,19.9,20.3,19,11.6,8,7.6
1947,6.2,8.5,8.3,10.3,13.5,15.4,20.1,18.6,18.7,13.2,7.9,6.2
1948,7.8,4.8,4.8,8.6,11.4,14.8,18.3,18.4,18.1,13.1,9.1,4.5
1949,2.1,3.6,5.8,11,12.1,16.9,19.1,19.1,18.9,12.6,13.5,6.4
1950,3.6,7.7,7.9,10.5,11.2,15.2,20,19.3,16.1,15.5,11.6,10.2
1951,6.1,6,7.7,8.9,12.1,15,20,19.2,18.2,13.5,9.3,5
1952,4.2,6.2,4.4,8.8,14.2,13.2,19.7,20,18.9,15.1,7.2,5.5
1953,8.4,6.4,7,7.5,9.8,14.3,20.6,18.1,17.4,13.4,10.5,7
1954,5.7,9.4,5.4,10.1,12.6,14.7,21.1,17.5,17.1,13,11.5,6.3
1955,4.1,5.3,8,8.6,11.2,14.9,18.3,21.5,19,13.3,9.6,6.7
1956,7,3.8,8.3,8.2,12,16.8,18.8,17.8,19.6,11.7,10.5,7.9
1957,4.4,8.5,8.1,9,10.9,18.1,20.6,20,17.2,11.5,7.6,8.1
1958,7.2,7.6,5.1,9.9,14.2,16,18.9,20.8,19,16.4,9.8,9.9
1959,8.3,5.4,10.5,12.5,11.9,17.9,22.1,20,16.9,14.7,11.5,7.9
1960,4.5,5.9,9.5,11,13.5,18,21.7,19.8,19.7,13.6,8.4,7.1
1961,8.8,8.4,7.5,11,11.3,17.8,20.7,20.8,16.4,13.5,8.3,6.5
1962,6.8,5.2,4.9,12.3,11.1,15.3,18.7,20.8,18,13.7,10.2,8
1963,5.5,10.4,6.9,7.3,12.2,14,19.2,19.5,19.3,14.1,9.2,8.1
1964,5.7,6.7,6.5,8.6,11.4,14.8,20.3,19.9,16.4,16.3,7.4,6.4
1965,7.5,7.1,7,8.8,11.8,12.7,18.7,20.7,14.8,16.2,9.5,6
1966,5.4,5.2,9,11.8,13.1,16.7,19.5,20.7,17.4,14,9.5,7.2
1967,7,8.5,7.4,4.6,12.7,13.6,21.1,22.6,18.1,15.3,11.6,4.9
1968,6.5,9.6,8.8,9.9,12.7,16.2,20,18.4,17.5,13.4,10,5.3
1969,7.3,4.3,6.9,9.3,13.4,13.6,19.7,21.6,18.4,11.7,10.3,7.4
1970,6.5,8.3,7.8,7.8,13.3,16.2,20.9,20.9,16.9,12.3,9.7,5.3
1971,6.7,6.8,7.7,8.2,10.3,15.2,20.1,21.5,18,12,8.5,3.7
1972,5.5,8.4,11,10.6,13.6,17.1,21.1,19.8,16.6,11.7,8,5.6
1973,5,6.5,5.1,9.1,13.5,17.9,19.1,19.3,15.4,13.7,8,7.4
1974,5.1,6.9,7.2,9.4,12.6,17.6,19.9,19.1,19.1,13.1,10.1,6.1
1975,7.2,5.8,5.9,5.8,12.1,14.7,19.5,18.7,18.9,12.4,9.4,7.8
1976,8.5,6.9,7.2,7.7,13.6,17.1,19.2,17.7,16.6,14.6,12,8
1977,6.4,9.9,5.7,10.9,9.8,16.8,20.7,20.7,16.8,15.3,12.1,9.7
1978,7.2,7.3,9.2,8.3,14.3,18.2,20.8,19.5,17.9,16.6,8.3,5.1
1979,4.5,5.7,7.1,9.9,13.1,17.8,19.9,18.9,20.6,14.6,8.5,8.9
1980,7.9,8.9,7.3,10.5,10.7,15.8,21,19.3,16.6,14.6,10.4,9.3
1981,8.1,9,7.5,10.9,13.3,20,20.2,21.4,18.2,11.9,10.4,8.6
1982,5.2,7.8,5.9,8.5,12.1,13.1,19.4,20.5,17.5,13.6,7.7,5.6
1983,7.5,7.4,7.3,7.6,13.3,15.1,18.9,20.5,19.2,14.3,8.7,7
1984,8.3,8.3,10.1,10.8,16.9,16.9,22,21.4,21.5,12.8,8.4,5.2
1985,6.3,7.4,7,12.2,13.1,18.4,22,20.2,16,13.9,8.2,8.7
1986,10.5,8.7,10,10.1,14.3,17.8,19.3,21.8,14.7,13.5,11.8,8.4
1987,6.6,7.9,7.8,13.8,14.6,17.6,17.7,19.6,18.7,15.7,9.7,5.2
1988,7.4,9.8,10.2,10.7,13.9,15.9,21,19.6,17.8,16,9.5,6.5
1989,5.9,5.9,10.2,13.7,13.4,16.7,20.8,18.5,18.2,13.3,11.3,9
1990,7.5,6.2,9.1,11.2,12.8,18.4,21.3,19.4,18.7,16,10.9,5.8
1991,7.6,11.1,5.4,10.2,12.2,15.1,19,19.8,19.6,16.9,11.9,7.7
1992,7.6,8.9,7.9,13.1,15,16.6,20,22.2,19.5,15,9.9,5.2
1993,6,6.4,10.4,11.9,14.7,17.8,18.1,19.7,18.6,14.8,9.8,7.3
1994,9,6.2,9.9,10.7,12.2,18.7,19.8,22.2,18.4,13.2,6.6,7
1995,6.4,10.2,8.1,9.4,10.8,15.3,20.5,22,20.1,15.5,12.5,8.3
1996,8.2,8.7,9.1,12.7,14.7,18.1,21.7,22,17.8,13.7,10.4,7.1
1997,6.8,7,8.1,9.3,14.5,15.9,17.8,19.4,18.6,13.7,10.1,6.5
1998,7.4,5.3,6.7,6.8,10.3,13.8,18.1,19.2,16.2,12,7.9,5.6
1999,6.6,5.9,5.8,7,11.8,14.4,18.1,17.2,15.3,13.8,9,7.4
2000,7.6,6.9,6.8,9.5,12.8,16.1,17.9,18.5,16.2,11.3,7.1,7.4
2001,5.4,4.9,6.9,7.1,12.8,15.8,17.3,17.6,15.8,12.6,9.1,5.7
2002,5.7,7.1,6.5,8.5,11.2,14.9,18,17,15.5,11,10.2,6.2
2003,9.5,6.8,7.5,7.4,11.2,14.7,19.3,18.6,15.7,13.9,8,6.5
2004,6.4,5.4,9,9.7,13.8,15.5,18.3,17.7,17.6,11.5,7.8,6.9
2005,7.1,7,7.2,8.5,12.6,14.4,18.2,17.8,15.3,12.3,10.5,7.6
2006,7.2,7.4,5.1,8.4,12.9,16.9,20.7,18.6,15.8,12.4,10.3,6.6
2007,5.2,6.8,8.3,9,11.8,14.7,18.7,18.9,15.7,12.8,9.6,5.8
2008,5.8,6.2,7.9,9.9,12.1,16.3,18.6,18.4,16.1,14.2,10.8,5.4
2009,8.3,6,6.8,8.7,12.9,14.2,18,17.7,16.8,11.9,9.5,6.1
