1901,5.4,3.5,4.9,8.3,11,13.1,16.6,15.1,13.7,10,6.9,5
1902,6.1,3.7,7.5,7.6,9.5,12.8,14.5,14.3,13.1,10.7,8.4,6.4
1903,5.6,7.6,7,7.1,10.8,12.7,14.7,13.5,12.6,10.7,7.5,4.8
1904,5.7,4.6,5.3,8.8,10.4,13.1,15.4,14.7,12.8,10.7,7.2,6.6
1905,6.1,6.1,6.8,8,11,14,16.6,14.2,12.4,8.1,5.9,7.6
1906,6.5,4.1,6.2,7.2,10.1,13.9,14.9,16.1,13.5,10.8,8.3,5.1
1907,5.3,4.1,7.2,7.8,9.8,12.1,14.6,14.1,14,10,7.3,6.3
1908,5,6.9,5.3,6.7,11.9,13.4,15.5,14.8,12.8,12.6,9.2,6.8
1909,5.9,5.2,4.7,8.8,10.9,12.5,14.8,15.5,12,10.7,6.1,5.3
1910,5.1,5.9,6.6,7.3,10.9,13.6,14.2,14.6,12.7,11,5.6,7.1
1911,5.2,5.6,5.9,8,12.1,13.9,17.1,16.7,13.4,10.4,6.7,7.1
1912,5.7,6.1,7.6,9.1,11.5,13.1,14.9,12.5,11.6,9.1,7.6,7.8
1913,6,5.7,6.1,8,10.8,13,14.6,15.3,13.6,11.7,9,6.2
1914,5.5,7.2,6.5,9.1,10.9,14,15.2,15.5,13.4,10.9,7.7,5.3
1915,4.8,4.5,5.9,8.4,10.8,13.4,14.1,14.9,13.5,10.2,5.1,6.3
1916,7.3,4.5,4.5,7.7,11.2,12.1,15.4,16,13.5,11,8.2,3.9
1917,3.1,3.1,4.9,6.2,11.7,13.7,15.7,15.1,13.7,8.3,9.2,4.3
1918,5.5,8,6.6,7.2,11.8,13.1,14.7,15.6,11.8,9.4,7.2,7.9
1919,4.6,4.3,4.7,7.9,12.1,13.6,14.1,15.8,12.6,9.5,4.4,7.1
1920,6.3,7.3,7,8.4,11.3,13.8,13.9,13.9,13.3,11.7,9.2,5.7
1921,8.4,6.3,7.6,8.3,11.1,14.6,17.7,14.7,14.2,12.9,8.6,8.2
1922,5.8,6.4,6,6,12.1,13.4,13.4,13.5,12.3,9.6,7.7,6.5
1923,6.7,7.1,7.2,7.8,9.5,13.5,16.6,14.8,12.3,10.3,4.8,6.3
1924,6.7,4.7,5.2,7.2,10.8,13.7,14.5,14.2,12.6,10.5,8.5,8.1
1925,7,5.4,5.9,7.6,10.5,14.7,15.6,15.4,11.9,11.3,5.5,5
1926,6.6,7.5,7.1,9.2,10.4,13.1,16.6,16.3,14.5,9.3,6.8,5.7
1927,5.9,5.9,7.7,8.6,11.4,12.3,15.6,15.3,12.4,11.1,7.3,5
1928,6.5,7.2,6.6,8.1,11.2,12.8,15.5,14.8,13,11.3,8.6,5.9
1929,4.2,4.7,6.9,7.7,10.9,12.9,15.4,15.1,14.9,10.3,7.7,6.7
1930,5.9,3.3,6.2,8.4,11,14.2,15.1,14.7,13.6,11.1,7.3,6.3
1931,5.1,5.5,5.3,8.3,10.8,14.3,14.7,14.5,12.3,10.2,8.8,7.2
1932,7.8,4.8,5.8,7.1,10.3,14.3,15.6,16.1,13.2,9.5,8.3,7.3
1933,4.4,5.2,7.8,9.4,12,14.8,17,16.9,15.2,11.2,7.2,4.5
1934,6.7,5.1,6.1,7.7,11.2,15.1,17.6,14.8,14,11.2,7.4,9.3
1935,6.2,6.7,7.2,8.3,10.6,14,16.3,16.1,13.7,10.4,7.3,4.8
1936,5,5.1,7.5,7,11.2,14.1,14.8,16,14.3,11.1,7.1,7
1937,6.7,6.5,4.1,9.6,11.7,13.9,15.4,16,13.3,10.5,7.5,4.8
1938,6.7,6.3,9.2,8.3,10.7,13.5,14.3,15.2,13.7,11.2,10,5.8
1939,5.4,7,7.1,8.9,11.7,14.3,14.8,15.7,14.1,9.7,9.9,5.1
1940,2.8,6.1,7.2,9.4,12.2,16.2,14.5,16,13.3,10.9,8.1,5.7
1941,2.8,4.7,6.3,7.1,9.7,14.4,15.4,14.7,15,11.6,8,7.5
1942,5,3.4,7.2,9.6,11,13.8,15.2,15.6,13.4,10.5,6.1,8.3
1943,6.9,7.2,7.5,10.4,11.2,13.7,15.6,15.2,12.9,11.4,7.9,5.8
1944,7.9,5.2,6.2,10.3,11.3,13.7,15.7,16.4,12.5,9.7,7.7,6.1
1945,2.7,8,8.7,10.1,11.7,14.1,15.6,15.6,14.6,12.7,9.1,8
1946,5.7,7.2,6.5,9.4,10.8,12.7,15,14,13.6,11.4,9,5.1
1947,4.7,1.1,5.3,9,11.6,14.2,15.1,18,14.6,12.1,9,6.6
1948,6.1,6,9.1,9.1,11.2,13.2,15.1,15,13.6,11.2,10,7.3
1949,7.2,7.4,6.9,9.9,10.9,14.6,16.6,16.1,15.7,12.5,8.2,7.1
1950,6.4,6.3,8.2,8.3,11.9,15.2,15.5,15,12.8,10.6,6.8,3.3
1951,5.4,4.4,5.4,7.3,9.9,13.6,15.9,14.6,14.1,11.5,8.8,6.8
1952,4.2,5,7.5,9.3,12.8,13.9,16.3,15.7,11.6,10.4,6.7,5.4
1953,5.5,5.8,6.4,7.7,12.7,14.1,15.2,15.4,14,10.8,9.3,8.4
1954,5.4,4.8,7,8.4,11.2,13.1,14.1,14,12.4,12.2,7.9,8.1
1955,4.9,2.8,4.3,9.6,10.1,13.5,16.9,17.6,14.6,9.8,8.8,7.9
1956,5.2,2.2,7.7,8,11.7,13.3,15.2,13.5,14.1,10.5,8,7.3
1957,6.5,5.9,9.9,9,11.1,14.4,15.9,15.2,12.9,11.2,7.4,6.2
1958,5.4,6.3,5.2,8.2,10.7,13.4,15.2,15.2,14.8,11.5,8.6,6.1
1959,4.2,6.6,8,9.3,12.2,14.6,16.3,16.5,14.8,12.8,8.1,7
1960,5.6,4.6,7.5,9.4,12.6,15.2,15,14.7,13,10.7,8.2,4.9
1961,5.3,8.1,8.7,10,11.1,13.7,14.8,14.9,14.1,10.6,7.5,4.8
1962,5.7,5.8,4,8,10.3,12.7,14.4,14.2,12.4,11.1,7,5.2
1963,1.4,2.3,7,8.6,10.3,13.9,14.3,14.3,12.6,11.6,8.5,5
1964,6.1,5.6,5.8,8.7,12.2,13.4,15.3,14.8,14,10,8.5,5.5
1965,4.6,4.2,6.5,8.6,11.3,13.7,13.9,14.6,12,11.7,6.3,6.1
1966,5.4,7.1,7.6,8.1,11,14.5,14.9,14.5,14.3,10,6.4,6.9
1967,6,6,7.2,9,9.7,13.9,15.5,14.6,13.2,10.5,6.7,6.1
1968,6.3,3.4,6.7,7.7,9.7,14,14.5,15.4,13.8,12.9,8.7,5.9
1969,6.4,2.6,5.2,8.2,10.9,13.3,15.9,15.6,13.7,13.3,6.2,5.5
1970,5.4,4.5,5.4,7.5,12.4,15.5,14.9,15,13.8,11.3,8.4,5.7
1971,6.3,6.1,6.1,8,10.9,12.8,16.3,15.4,15,12.7,7.6,7.9
1972,5.2,5.6,6.7,8.7,10.4,11.5,15.1,14.2,12.2,11.5,7.1,7.6
1973,6.8,5.8,6.8,7.9,11.1,14.3,15.1,15.7,13.9,10.5,8.1,6.4
1974,7.3,6.1,6.2,8.3,10.6,13.2,14.7,14.5,11.6,8.6,7.2,8.7
1975,7.2,6.6,5.9,8.7,10.3,14.5,16.6,16.9,12.8,11.2,7.9,6.3
1976,6.9,6.1,6.4,8.5,11.1,15.7,16.7,16.8,13.2,10.4,7.3,4
1977,3.9,6,7.7,7.8,10.6,12.6,15.8,15.3,13.3,12.4,6.5,7.3
1978,4.6,4.5,6.9,7.1,11.6,13.3,14.4,14.7,14.1,12.5,9.6,6.2
1979,2.6,3.5,5.3,7.8,9.2,13.4,15.7,14.4,13,11.6,8.3,6.1
1980,4.1,6.7,5.8,8.9,11,13.2,13.9,15,14.1,9.5,7.8,6.9
1981,6.4,5,8.5,8.3,11,13.3,15,16.3,14.4,8.4,8.6,3.9
1982,5.2,6.5,6.6,9.2,11,14.2,15.7,15.2,13.8,10.7,8,5.5
1983,7,3.6,7.4,6.8,9.9,13.8,18,17.2,13.7,10.8,8.8,7.5
1984,4.6,5.7,5.5,8.9,10.3,14.5,16.2,16.8,13.6,11.2,7.7,6.5
1985,2.9,5.2,5.8,9.1,10.9,12.6,15.2,13.8,14.4,11.4,5.5,7.3
1986,5,1.4,6,6,10.6,13.9,15.1,12.8,11.7,11,8.2,6.5
1987,3.6,4.8,5.6,10.1,10.6,12.6,15.8,15.5,13.1,9.7,7.5,7.5
1988,5.9,5.2,7.3,8.7,11.4,14.6,14.2,14.4,12.8,10.9,7.2,8.5
1989,7.5,6.5,7.7,6.9,12.8,14.2,18,16.1,13.9,12.6,7.3,6.5
1990,7.3,7.4,8.8,8.5,12.8,13.5,16.3,16.9,13.1,12,7.9,5.4
1991,4.9,4,8.2,8.4,12.2,12.6,15.9,16.5,14.8,10.3,7.5,7.1
1992,5.8,6.9,8.1,8.8,12.5,15.3,15.9,14.7,12.7,8.4,8.3,5.7
1993,7.2,6.9,7.4,10,10.9,14.3,15.1,14.7,12.7,8.8,7,6.6
1994,6.1,5.3,8,8,10.2,13.4,15.4,14.7,12.5,10.8,10.1,7.8
1995,5.6,6.8,6,9.1,10.9,14.1,16.7,17.7,13.3,12.8,8.4,5
1996,6.3,5.1,5.6,8.6,9,13.5,15.5,14.9,13.5,11.4,6.5,4.4
1997,4.3,7.1,8.4,9.7,11,13.5,15.5,16.8,13.8,11.6,9,6.9
1998,6,7.8,8.3,7.6,12.5,13.6,14.8,15.5,14.2,11,7.6,6.5
1999,6.1,6.3,7.5,9.4,12.2,12.9,16.4,15.5,14.7,11,8.1,5.5
2000,5.3,6.7,7.9,7.4,11.5,13.7,15.4,16,14,10,6.8,6.2
2001,4.4,5.1,6,8,11.9,13.5,15.7,15.5,13.3,12.8,8.2,5
2002,7.2,7.2,7.8,8.8,11.3,13.3,14.8,15.5,13.3,10.3,9,6.9
2003,5.4,5.3,7.6,9.5,11.2,14.4,16.4,16.6,14,9.7,8.5,5.9
2004,6,5.4,6.8,9,11.4,15,14.8,16.1,14.1,9.9,8.9,6.6
2005,7.1,5,7.9,8.6,10.7,15,16,15.7,14.1,12.1,7.2,6
2006,5.7,5.1,6,8.6,11.3,15.1,17.4,15.7,15.2,12.3,8.2,7.1
2007,5.9,6.6,6.9,10.9,11.5,13.8,14.7,15.1,13.5,11.4,8.6,6.7
2008,6.8,6.3,6.6,8.2,12.3,13.5,15.3,15.4,12.7,9.5,7.6,4.9
2009,5.4,5.3,7.1,8.8,11.3,14,15.3,15.6,13.1,11.7,8.1,4.3
