1901,5.7,3.9,5.3,9.1,12.1,14,17.3,16.4,14.6,10.7,7.2,6
1902,7,4,8.3,8.2,9.5,13.2,15.1,15.6,14,11.1,9,6.5
1903,6.9,7.8,7.7,7.9,11.6,13.4,15.3,14.7,13.7,11.7,8.6,5.6
1904,6.5,5.4,5.8,9.2,10.8,13.4,16.4,15.6,13.5,11.5,7.8,7.8
1905,6.1,6.7,7.8,9,11.1,14.3,17,15.2,13.2,8.7,6.5,7.2
1906,7.5,5.2,6.5,8.2,10.4,14,15.4,16.8,14.9,11.8,8.6,5.8
1907,5.8,4.5,7.6,8.4,10.5,12.3,14.7,14.8,14.9,10.9,8.7,7.3
1908,5.2,7.1,6,7.5,12.4,14.6,16,16,13.5,13.4,10,7.7
1909,6,5.2,5.3,9.8,11.7,13.1,15.5,16.8,13.1,11.6,6.7,6.1
1910,6.2,7.1,7.4,7.8,11.7,14.1,14.7,15.7,13.8,11.9,7,8.2
1911,5.4,6.1,6.4,7.7,13,14.7,18.4,18.4,15.2,11.3,7.6,8.3
1912,6.7,7,8.4,10.3,12.1,13.6,16.3,13.2,12.5,9.9,8.2,8.8
1913,7.2,6.2,7.3,8.4,11.5,13.5,15.7,16.7,15,12.7,9.8,7.1
1914,5.3,7.8,7.5,10.3,11.4,14.6,15.6,16.1,14.5,11.6,8.4,6.8
1915,5.8,5.7,6.4,8.9,12.4,14.1,14.8,16.2,14.3,11.1,5.8,7.9
1916,8.5,5.4,5.1,8.8,11.9,12.1,15.8,17,14.4,12.1,8.3,4.6
1917,3.2,3.4,5.7,6.5,12.7,14.6,16.4,15.7,14.3,9.3,9.7,4.3
1918,6.1,8.2,7.2,8.1,12.6,13.7,15.9,16.3,13.1,10.2,8,8.8
1919,5.4,5.3,6,8.2,12.6,14.1,15.1,17.1,13.8,9.6,5.2,8
1920,7.1,7.9,7.8,9.4,12.1,14.5,14.5,14.6,14.4,12.9,9.2,6.3
1921,9.2,6.7,8,9.2,12,15.9,18.5,15.7,15.4,14,9.6,8.4
1922,6.8,7.1,6.6,7.2,12.7,14.4,13.9,13.8,13.3,9.8,7.6,7.7
1923,6.9,8.2,8.1,8.8,10.5,13.7,17.5,16,13.3,11,5.4,6.7
1924,7.4,4.7,6.3,7.9,11.2,14,15,14.7,13.7,11.8,8.6,8.6
1925,7.7,6.6,6.3,8.4,10.8,15.8,16.3,16.2,12.6,12.3,6,5.9
1926,7,8.5,7.5,9.7,11.2,13.5,17.6,17.4,15.9,10.6,8.1,5.8
1927,6.8,6.5,8.3,8.8,12.8,13.5,16.1,16.1,13.2,11.9,8.1,5.5
1928,7.3,8.1,7.5,9.2,12.2,13.6,16.5,15.9,14.3,12.2,9.5,6.7
1929,4,4.4,7.7,8.3,11.2,13.5,16.2,15.7,16.5,10.9,8.8,8
1930,7.3,4.3,7,9.1,11.7,15.2,15.5,15.9,15,12.1,8.6,7.1
1931,6.2,6.2,6.1,8.6,11,14.1,14.8,15.4,13.1,11.1,9.8,7.5
1932,8.5,4.9,6.5,7.5,10.2,14.4,15.4,17.1,14.3,10.5,8.9,7.6
1933,5.3,5.7,8.6,8.8,12.1,14.9,16.7,17.7,16.2,12,8.2,3.8
1934,6.8,4.8,6.4,8.1,11.3,15.7,18.2,15.2,14.5,11.7,7.9,10.2
1935,6.7,7.3,6.9,9.1,11,14,17,16.3,14.6,11,8.5,6.1
1936,7,5.6,8.2,7.5,12,14.4,14.9,16.2,15.3,11,8.3,7.7
1937,7.7,8,5.4,10.2,11.9,14.1,15.7,16.8,14.2,12.2,8.4,6
1938,7.6,6.4,9.2,9,10.6,13.5,14.4,16.1,14.1,12,10.7,6.9
1939,6.9,7.3,7.6,9.1,11.9,14.9,14.5,16.1,14.9,10.3,11,5.7
1940,3.9,6.4,7.4,9.6,12.6,16.3,15,16.5,14,11.4,8.8,6
1941,4,5.5,7.2,7.3,9.3,14.4,16.1,15.1,14.9,12,8.8,7.9
1942,5.2,3,7.5,10,10.8,13.9,15.5,16.2,14.4,11.5,7.1,8.9
1943,8,7.3,8,10.5,11.9,13.7,16.3,15.7,13.1,11.8,8.6,6.1
1944,8.2,5.3,6.3,10.2,11.2,14.1,15.6,17.1,13.1,10.3,8.3,6.4
1945,3.2,7.9,8.1,10.5,11.9,14,15.7,16.2,15.2,13.4,9.4,8.4
1946,6.5,8,6.9,9.9,11.5,12.7,15.3,14.7,14.1,12.1,9.8,6
1947,5,1.2,6.3,9.1,11.9,14.4,16,18.8,15.7,12.5,9.9,7.3
1948,7.8,6.4,9.6,9.6,12.4,13.9,15.5,15.3,14,11.7,10.3,8
1949,7.7,7.3,7,9.7,11,14.8,17.2,16.8,16.7,13.3,8.9,8.4
1950,6.5,7.3,9,8.8,12.4,15.3,15.5,15.6,13.7,11.1,8.2,4.2
1951,6.6,5.7,6,7.8,10.3,13.8,16.2,15.1,14.6,11.4,9.8,8
1952,5.4,5.5,7.9,9.4,13,14,16.4,16.1,12.2,10.9,7.2,6.2
1953,5.4,5.3,6.7,8.7,12.5,14,15.4,16,14.1,11.4,9.9,9.6
1954,5.8,5.1,7.6,8.3,11.2,13.1,13.9,14.6,13.3,12.7,9.1,8.6
1955,6,3.7,4.6,9.4,10.2,14,17.6,18.5,14.6,10.4,8.7,9.1
1956,6.5,1.5,7.7,7.8,11.4,13.2,15.3,14.1,14.4,11,8.2,8.2
1957,6.9,7.2,10.2,9.7,11.1,15,16.5,15.7,13.5,12.1,7.8,6.5
1958,6,7.5,5.6,8,11,13.3,15.2,15.5,15.1,11.9,8.5,6.9
1959,5.4,6.5,8.3,9.7,12.5,14.8,16.6,17.2,16,13.5,9,8.1
1960,6.4,5.6,8.3,9.5,12.8,15.5,15,15.2,13.7,11.4,9.5,5.6
1961,6.4,8.4,8.4,10.6,11.3,14,15.5,15.6,15.1,11.7,8,5.9
1962,6.9,5.8,4.3,8.4,10.2,13.2,15.1,14.7,13.1,11.7,7.5,5.6
1963,1.6,2.5,7.2,8.7,10.4,14.2,14.8,14.8,13.4,12,10,4.7
1964,5.6,5.9,6.1,8.5,12.3,13.8,15.7,15.6,14.9,10.6,9.3,6.1
1965,5.5,4.2,6.7,8.6,11.3,13.4,14.4,14.9,12.3,12.4,7.4,7.5
1966,5.8,8.2,7.7,9.1,11.2,14.7,15.5,15.4,15.1,11.4,7,8.1
1967,6.6,6.8,7.5,9,10.5,14,15.7,15.4,13.8,11.6,7.6,6.8
1968,7.1,4.2,7.1,8,10.1,14.2,15.2,16.4,14.4,13.4,9.3,6.7
1969,7.7,3.6,6.2,8.7,10.9,14,16,16,14.6,13.5,7.6,6.1
1970,6.7,5.7,5.7,7.6,11.7,15.8,15.1,15.7,14.8,11.6,9.9,5.9
1971,7,6.3,6.2,8.4,11.5,13.1,17.4,16.4,15.4,13.1,8.1,8
1972,6.1,6.7,7.9,9.1,10.3,11.4,15.4,15.3,12.6,11.7,8,8.3
1973,6.7,6.2,7,8,11.2,14.4,15.2,16.6,14.8,11,9.2,7.2
1974,8.3,7,6.9,9.1,10.6,13.8,14.8,14.9,12.3,8.9,8.9,9.2
1975,8.3,7.3,6.4,8.6,11.1,15.1,16.8,17.7,13.4,11.2,8.8,6.6
1976,7.5,5.9,6.7,8.5,11.4,15.9,17.4,18,13.5,11.3,8.5,5.1
1977,5.3,7.3,8.3,7.8,11,12.7,16.4,15.7,13.6,13,8.1,8.1
1978,5.9,5.2,7.5,7.5,11.9,13.4,14.6,15.2,14.3,13,10.2,7.5
1979,3.6,4.2,6.3,8.5,9.4,13.4,16.1,15.1,13.6,12.5,9.1,7.9
1980,4.8,8,6.4,9.3,11.5,13.6,14.5,15.6,14.8,10.5,7.7,7.5
1981,6.9,4.9,8.8,8.8,11,13.3,15.7,16.8,15,9.9,9.3,5.3
1982,6.5,7,7.3,9.3,11.2,14.6,16.5,15.8,14.8,11.2,9.6,6.6
1983,8,4.1,7.4,7.6,10.4,14.4,19,18.1,14.4,11.3,9.5,8
1984,6.3,5.9,6,9.4,10.7,14.7,16.7,17.4,14.3,11.8,8.9,7.5
1985,3.4,5.6,6.3,9.2,11.5,13.5,15.9,14.7,14.7,11.9,6.5,8.8
1986,6.5,1.1,6.2,6.3,10.5,14.4,15.4,13.7,11.9,12,8.9,7.9
1987,3.2,5.5,6.2,10.1,10.8,12.7,16.3,16.2,14.4,10.9,8.3,7.8
1988,7.6,6.1,7.8,8.9,12,15,14.4,15.1,13.8,12,8.3,9.4
1989,7.9,7.6,8.7,7.4,14,15.1,18.9,17,15,13,9.2,7.7
1990,8.5,9,9,9,13.8,13.7,17.1,17.7,14.1,12.8,8.6,6.3
1991,5.8,4,8.6,8.6,12.1,12.6,15.9,16.6,15.6,10.8,8.5,7.2
1992,5.6,6.5,8.2,8.8,13,15.4,16.3,15.6,13.4,9.1,9.5,6.4
1993,8.2,6.6,7.5,10.1,11.5,14.6,15.4,15.3,13.2,9.5,7.3,7.8
1994,7.4,6.4,8.7,8.3,11.1,13.8,16.6,16.2,13.4,11.8,11.5,9
1995,7.4,8.4,7,9.3,11.7,14.9,17.4,18.5,14,13.7,9.3,5.8
1996,7.1,4.8,6.5,8.6,9.4,14.1,16.3,15.7,14,12.4,7.8,4.8
1997,4.2,8.3,9.2,10,12.1,14.2,16,18.3,14.8,12.8,10.3,7.9
1998,6.7,7.7,8.7,8.2,13.7,14.4,15.3,16.2,15.2,11.9,8.3,7.5
1999,7.6,7,7.8,9.8,13,13.9,17.2,16.8,15.5,11.8,9.1,7.2
2000,6.3,7.8,8.2,8.3,12.3,14.2,16,17,15.2,11.1,8.4,8
2001,5.9,6.4,7.6,8.8,12.2,14.4,16.4,16.5,13.7,13.8,8.9,5.5
2002,7.9,8.4,8.7,9.3,11.8,13.7,15.3,16,14.5,11.7,10.4,7.9
2003,6,6.1,8.7,10.4,11.9,15.5,17.2,18.1,14.8,10.4,9.9,7.2
2004,7.5,6.1,7,9.3,11.9,15.5,15.5,17.1,15,11.5,9.8,7.2
2005,8.2,5.3,8.4,9.5,11.5,15.8,16.9,16.4,14.9,13.5,8.3,6.5
2006,5.8,5.4,6.6,9.1,11.9,15.8,18.6,16.2,16.3,14,10.1,8.2
2007,8.2,8.2,7.9,11.3,12.1,15,15.5,15.9,14,11.9,9.3,7.2
2008,8.1,7.4,7.6,8.7,13.3,14.4,16.1,16.1,13.4,10.7,9,5.5
2009,5.6,5.7,7.7,9.4,12,15.5,16.3,16.3,13.9,12.9,10.2,6
