1901,5.8,3.3,4.9,7.7,11.2,12.4,15.1,14.2,13.1,9.5,6.8,5.4
1902,6.7,4.3,7.2,7.5,9,12.9,13.8,14,13.1,10.3,8.2,6.3
1903,5.5,7.1,6.3,7.2,10.1,12.8,14.2,13.2,12.9,9.8,7.3,4.9
1904,5.6,4.6,5.1,7.8,10,12.7,14.4,13.5,12.3,10.2,7.2,6.8
1905,6.5,5.7,6.3,7.9,10.4,13.7,15.2,13.3,11.7,8,5.4,7.7
1906,6.5,4.7,6.4,6.9,9.5,13.7,14.2,15.1,13.2,10.1,7.7,5.5
1907,5.5,4.6,7.7,7.2,9.7,11.3,14.1,13.6,14,9.1,6.8,6
1908,4.9,6.8,5.4,7.1,11.4,12.7,14.4,14.2,12.3,12.7,9.2,7.1
1909,6.3,5.5,4.8,8.5,10.5,11.6,13.7,14.4,12.2,10.3,5.2,5.3
1910,5.3,5.2,6.7,6.8,10.5,12.9,13.9,14.1,12,10.8,5.8,7
1911,5.4,5.5,5.8,7.4,11.3,13.1,15.6,15.8,12.6,10.1,6.3,6.5
1912,5.9,5.9,7.1,8.8,11,12,13.6,11.6,11.6,9.2,7.8,7.6
1913,5.5,5.7,5.9,7.3,9.7,11.8,13.9,14.4,13.2,10.3,8.2,6
1914,5.4,6.5,6.4,9.1,9.9,12.8,14,14.6,13.3,10.3,7.2,4.8
1915,5.3,4.3,5.4,8.2,11.2,13.6,13.8,14.4,14,10.5,5.1,6
1916,7.7,4.4,4.1,7.7,9.7,11.3,14.1,16,13.6,11.4,7.5,4
1917,3.3,3.2,5.2,5.6,11.4,12.4,15,14.3,12.8,8.3,8.6,4.8
1918,5.4,7.3,6.6,7.7,11.4,12.8,14.1,14.3,11.4,8.9,7.3,8
1919,4.7,4.7,4.1,7.3,11.9,12.3,13.3,14.8,12.1,9.7,4.6,6.8
1920,5.9,6.9,6.1,7,10,12.6,12.7,13.4,12.6,11.5,8.9,5.5
1921,7.8,6,7.2,8.5,9.8,13.5,16.7,13.7,13.4,12.7,8.9,8.8
1922,6.3,6.7,6.4,5.9,10.9,12.2,12.3,12.9,12.2,9.3,7.6,6.7
1923,6.9,6.6,7,7.2,9,12.1,15.1,14,11.8,9.6,4.7,7
1924,6.7,5.2,6.4,7.1,10.4,12.6,13.6,13.2,12.3,10.5,7.9,7.8
1925,6.8,5.4,5.9,7.1,9.5,13.5,14,14.2,11.7,11.1,5.6,5.3
1926,6.5,7.8,7.4,9.3,9.6,12.3,16.1,15.3,13.8,9.2,6.4,5.6
1927,5.7,6.6,7.3,7.8,11,11.4,14.5,14.3,12,11.3,7.2,5.2
1928,6.7,7.5,6.4,7.6,10.9,12.5,14.2,13.9,12.4,10.8,8.1,6.2
1929,4.5,5.9,8.5,8,10.5,12.4,14.2,14.1,14.4,9.9,7.7,6.4
1930,5.4,3,6.1,7.7,10.3,13.1,13.8,13.5,13.2,10.8,7.2,6.6
1931,5.7,5.7,7,8.3,10.3,13.1,13.8,14.1,12.3,10.2,8.3,7.9
1932,8,4.6,6.4,7.2,10,13.6,14.6,15.8,12.9,9.4,8.1,6.9
1933,4.6,5.4,7.8,9.2,11.4,13.2,15.8,15.5,14.3,10.7,7,4.6
1934,6.6,5.2,6.4,7,9.9,14.3,16.6,14,12.8,10.2,7,8.5
1935,6.1,6.3,7.5,8.2,10.6,12.8,14.8,14.7,13.1,10,6.5,4.6
1936,4.8,5.5,7.5,7.3,10.6,13,14.2,15.1,14,11.1,7.1,6.9
1937,6,6,4.3,9.2,10.7,12.6,14.3,15.3,12.8,9.8,6.9,5
1938,6.5,5.9,8.8,8.2,10.1,12.6,13.4,14.5,13.1,11,9.4,5.5
1939,5,7.2,6.6,8.5,11.2,13.9,13.8,15,13.8,9,9.2,4.8
1940,4.2,6.6,7.5,9,11.7,15.2,13.4,15.1,12.8,10,7.8,6.4
1941,3.4,4.8,6.1,7.2,9.4,13.7,14.3,13.9,14.7,11.4,7.3,7.9
1942,5.5,4.5,8,9.6,10.8,13.2,14.2,15.1,12.7,9.6,5.2,8.3
1943,6.9,7.4,8,10,10.7,13,15,14.1,12.4,10.6,8,5.9
1944,8,5.4,7,9.9,10.7,12.9,15.3,15.4,12.2,9.5,7.7,6.6
1945,3.1,7.9,8.9,10.2,11.4,12.8,14.9,15.2,14.3,12.4,9.1,7.9
1946,6.2,7,6.9,8.9,11,11.8,14,13.2,13.2,11.1,8.5,5.4
1947,4.7,1.4,5.7,8.4,10.5,13.2,14,16.8,13.8,11.6,8.6,6.4
1948,5.9,6.1,9.8,8.4,10.9,12.2,14.1,14.4,13.2,10.8,10.2,7.2
1949,7.4,7.5,7.7,9.3,10.1,13.9,15.7,15.4,15,11.7,7.9,7.2
1950,6.7,5.9,8.5,8.1,11.5,14,14.7,13.8,12,10.1,6.2,3.5
1951,5.1,3.9,5.5,7.5,9.6,13.1,14.9,13.7,12.9,10.9,8.4,6.9
1952,4.7,5.7,7.9,8.8,11.7,12.5,15.1,14.6,11.2,10,6.4,6
1953,5.9,6.2,6.5,7.4,11.7,12.8,14.2,14.4,13.5,10.2,8.8,8.4
1954,5.4,5.3,7,8.8,10.4,12.2,12.9,13.3,12.1,11.8,7.4,8.1
1955,4.8,2.5,4.4,9.8,9.7,12.9,15.9,16.6,14.2,9.6,8.3,7.8
1956,5.4,2.9,8.3,8.3,10.8,12.3,14.1,12.8,13.4,10,7.8,7.6
1957,6.2,5.7,9.9,8.8,10.8,13.6,14.9,14.5,12.7,10.9,7.1,6.6
1958,5.9,6.7,6,8.4,9.9,12.4,14.1,14.5,14.2,11.1,8.9,5.7
1959,4.5,7.3,7.8,8.7,11.6,13.4,14.9,15.2,14.5,12.6,7.7,6.7
1960,5.4,4.5,8,8.9,11.9,14.1,13.8,14,12.4,9.7,7.4,5.4
1961,5.7,8.2,8.9,9.8,10.6,12.5,13.7,13.8,13.2,10.2,7.1,4.9
1962,5.8,5.9,4.7,8.2,10.1,12,13.9,13.4,11.9,10.5,6.5,5.8
1963,3.3,2.9,7.2,7.9,9.6,13.3,13.8,13.2,12.4,11.4,7.9,4.9
1964,6.4,6.2,6.9,8.3,11.8,12.3,14.1,14.1,13.6,10.3,8.7,5.9
1965,4.3,3.5,7.2,8.5,10.8,12.7,13.8,13.9,11.4,11.8,6.1,6.2
1966,5.2,7.5,7.7,8.5,10.2,13.2,14,14.1,14,8.9,6,7.4
1967,5.7,5.8,6.5,8.5,8.9,12.8,14.3,13.9,12.5,9.8,6.6,6.8
1968,6.8,3,6.4,8,9.1,13.2,13.9,14.9,12.9,12.7,8.4,5.7
1969,5.6,2.5,5.6,7.8,10,12.5,14.6,14.2,13,12.9,6,6.2
1970,5.4,4.7,5.4,7.2,11.3,14.5,13.6,13.9,13.2,11,7.9,5.3
1971,6.4,6,5.9,7.8,10.2,12.1,14.8,14.3,14.6,12.3,8,7.7
1972,4.7,5.4,6.2,8.2,9.2,10.5,14.4,13.1,11.9,10.8,7,7.4
1973,6.7,5.9,6.8,7.7,10.4,12.8,13.7,14.6,13.6,10.5,8.8,6.5
1974,6.8,5.9,6.4,8.9,9.9,12.7,13.6,13.8,10.9,8.3,6.7,8.5
1975,7,7.3,5.8,8.1,10.4,13.5,15.2,15.6,12,11.2,8,6.1
1976,6.9,5.9,7,8.4,10,13.9,15.5,16.3,13,9.2,7,3.9
1977,4,5.6,7.4,7.6,10.1,11.7,15.1,14.4,12.7,11.6,6.4,7.6
1978,4.6,4.6,6.7,7.5,10.7,12.2,13.5,13.9,13.6,11.9,9.6,6
1979,3.4,3.8,5.1,7,8.6,12.5,14.3,13.5,12.4,10.6,8.6,6.3
1980,4.7,6.6,5.7,8.4,10.6,12.1,13.5,14.5,13.3,9.4,7.2,7.1
1981,7.2,5.7,8.2,8.9,10,12.1,13.7,15.4,13.9,8,8.7,4.3
1982,5.7,6.7,6.6,8.9,10.5,13.9,15.5,14.4,12.7,10.1,7.3,5.9
1983,7.3,4.1,7.6,6.1,9.1,12.8,16.9,16.3,13.2,10.3,8.9,7.8
1984,4.8,6.1,5.4,9.4,9.6,12.7,15.5,15.5,12.6,10.4,6.5,6.8
1985,3,6.2,6,9.1,10.1,12,14,12.9,13.8,10.9,5.5,7.1
1986,5.4,1.7,6,5.8,9.3,12.9,14,12.1,11.4,10.8,8.1,6.7
1987,4.6,5.4,6.2,9.5,10,12.1,14.9,14.6,12.5,8.7,7.7,7.6
1988,5.8,5.4,7.6,9,10.5,13.8,13.1,13.5,12.2,10.4,7.6,8.6
1989,7.8,6.8,7.1,6.5,12.1,13,16.6,15.3,12.9,11.4,7.9,5.7
1990,7,6.9,8.5,8,12.5,12.2,15.6,15.5,12.4,11.2,7.5,5.7
1991,5,4.2,7.9,8.3,11,12.3,15.3,15.3,14.8,9.6,7.5,7.4
1992,6.2,7,7.9,8.4,12.3,13.9,15.2,13.5,11.2,8.3,8.2,5.9
1993,7,7.2,7.1,9.4,10.6,13,14.1,13.7,12.5,8.1,7.7,7.1
1994,6.3,5.8,7.9,7.8,10.7,12.3,14.2,14,12.2,10.9,10.2,7.9
1995,6.1,6.9,5.4,9,10.5,14,16.6,16.2,12.9,12.4,8.6,5.4
1996,6.4,4.6,6.3,8.6,8.9,13.2,14.8,14.4,14,11.3,7.1,5.2
1997,4.8,7,8.4,10.3,11.8,13.2,15.3,15.9,14.1,11.9,8.8,7.1
1998,6.3,8.2,8.6,7.6,11.9,12.7,14.2,14.9,14.1,11.5,8.4,7.5
1999,6.5,7.3,7.2,9.3,11.9,12.3,15.7,15.3,13.8,10.8,8.2,6.3
2000,5.5,7.2,7.7,7.4,11.5,13.4,15.2,15.1,13.4,9.8,7.2,6.3
2001,4.7,5.5,6.4,8,11.5,12.9,14.7,14.5,13.4,12.2,9.1,6.1
2002,8.1,7,7.7,8.9,10.6,12,13.8,14.4,13.7,10.3,9,6.9
2003,5.7,6.5,8.4,10.2,10.3,13.5,14.9,16.2,13.8,10.2,8.8,6.9
2004,6.5,6,7.5,8.8,10.9,13.8,13.9,15.1,14,9,9,7.9
2005,7.3,5.4,8,8.7,10.3,13.9,15.1,14.9,13.8,11.6,7.9,7.1
2006,6.4,5.8,6.2,8.3,10.3,13.8,16.3,14.6,14.6,12.3,8.2,7.8
2007,7.3,6.4,7.2,10.4,10.9,13.8,14.4,14.4,13.1,12.3,9.5,8.2
2008,7.4,6.8,6.7,8.2,12.8,12.9,14.7,14.7,12.5,9.8,8,6.4
2009,5.8,5.7,7.8,9.2,10.8,14.5,14.7,14.3,12.9,12,8.2,4.3
