1901,5.4,4,5.9,11.2,16.1,16.2,20.8,17.8,15.6,11.4,7.6,4.9
1902,6,3.2,8.7,10.9,11.4,15.8,16.8,16.1,15.2,10.8,8.5,5.9
1903,5,8.4,7.9,8.4,14.3,15.4,16.7,16.2,15.1,11.4,7.9,3.9
1904,5.9,4.2,5.6,10.7,13.8,16.4,19.1,17.4,14.9,11.5,7.9,5.2
1905,5.9,6.5,8.5,8.6,14.3,17.4,19.1,16.3,14.4,8.9,6.7,7.6
1906,6.8,4.6,7,10.4,12.7,17.5,17.6,18.7,16.6,12.6,9.2,4.1
1907,5.5,4.5,9.4,9.7,13,13.7,17.2,15.8,16.3,11.7,8,5.9
1908,4.9,7.3,6,8.6,15.2,17.3,17.7,17,15,13.9,8.9,5.4
1909,5.1,5.7,5.6,12.6,15.1,15,16.1,17.8,14.3,11.3,6.5,5.5
1910,5.5,6.3,8.5,9.3,14.9,17.2,16.1,16.7,14.8,11.9,5.1,7.5
1911,5.6,6.3,6.7,9.6,16.8,17,20.6,19.7,15.8,11,7.5,7.6
1912,5.1,7,8.3,12.5,14.5,15.8,17.7,14.1,13,11.1,7.6,7.7
1913,5.2,6.6,7.7,9.9,14.1,16.2,16.9,17.8,15.8,12.4,10.5,6
1914,4.8,8,7.3,12.3,13.9,17.4,18.2,18.6,16.1,11.9,8.9,6.2
1915,5.1,5.5,7.2,10.7,14.8,17.9,16.5,17,15.8,10.8,4.8,6.2
1916,9,5.4,4.9,10.8,14.5,14.1,17.6,18.6,14.9,11.4,8.9,5.1
1917,3.3,3.4,5,7.8,16,17.1,18.5,17.2,15.8,9.7,9.9,4.5
1918,4.8,7.8,7.7,9.7,16.2,16.1,18.2,18.3,13.3,11.1,6.9,7.6
1919,4.7,3.7,5,10,17.2,16.8,16.6,17.9,15.2,10.7,4.6,6.7
1920,6.3,7.7,8.6,9.3,14.4,17,16.1,16.1,15.2,12.4,9.4,4.9
1921,7.6,6.4,8.6,11.8,14.6,18,21,17.1,16.4,15.1,6.2,8
1922,4.4,5.5,6.7,8.4,14.9,16.1,15.2,15.6,14.2,10.4,8.5,6.6
1923,8,6,8.5,9.5,11.7,14.5,19.1,16.8,14.5,11.2,5.5,4.9
1924,5.4,5.5,6.6,9.4,13.6,15.9,17.1,15.4,14.5,11.8,8.4,8.2
1925,7,6,6.9,9.9,13.9,18.5,19.5,17.3,13.4,12.1,4.9,4
1926,6.4,7.2,8,11.5,12.8,16.2,18.9,18.2,15.9,9.8,7.4,5.9
1927,6.2,5.8,8.5,9.7,14.1,14.3,18.3,17.6,14.1,12.3,7.5,2.9
1928,6.8,7.6,7.2,10.9,14.3,14.7,17.5,17.2,15.2,11.7,9,5.2
1929,2.8,2.1,8,9.1,14.8,15.8,18.4,17.1,17.5,11.2,8.4,6.8
1930,6.3,3.4,6.9,10.4,13.8,18.1,17,17.7,15.2,11.7,7.7,5.8
1931,4.7,5.3,6.1,9.2,13.7,15.3,17,16.4,13,11.3,9.1,7.2
1932,8,5.5,6.9,8.5,12.7,16.9,17.7,18.4,14.6,10.1,7.9,7.1
1933,4,5.8,9.6,11.1,15,18.2,20.1,19.7,17.5,11.7,6.8,3.8
1934,6.2,7.1,6.7,9.4,14.2,17.5,20.7,17.4,16.4,11.7,7.6,8.9
1935,5.8,6.6,8.7,9.8,13.3,16.6,19,18.8,14.8,10.8,7.7,4
1936,4.8,4.2,8.1,8.6,14.6,17.3,17,18.1,16.2,11.5,7.4,6.9
1937,6.5,6.1,4.4,11.2,14.9,16.3,17.8,19,15.3,12.3,7.5,3.8
1938,7,6.7,11.3,10.6,13.1,15.8,16.5,18.1,15.9,12,10.1,5.7
1939,5.2,7.2,7.7,10.9,14.5,17.3,17,18.5,15.8,10.3,9.5,4.9
1940,1.3,4.1,7.4,10.3,15.8,19.1,16.8,17.7,14.6,11.4,8.5,5.5
1941,1.4,4.1,6.5,8.5,12.5,17.1,18.7,16.8,16.9,12.4,8.1,7
1942,3,2,6.5,11.9,14.2,16.7,17.5,18.1,15.6,12,7.4,7.7
1943,6.1,8.3,9.2,12.6,14.6,16.6,18.6,17.3,15.1,12.7,8.1,5.8
1944,7.5,5.2,7.9,12.3,14.1,16,18,19.4,14.5,10.7,7.5,5.8
1945,2.4,8.5,9.8,12.2,14.8,16.7,18.8,18.4,16.1,13.9,9,6.7
1946,4.5,7,7.6,12.2,14.8,15.1,18,16.6,15.3,11.4,9.5,5.1
1947,4.1,0.5,4.6,9.8,16.1,17.6,18.7,22.5,16.5,13.4,8.4,6.4
1948,5.9,6,11.3,11.6,15.4,16.1,18.2,16.3,15.4,11.8,9.2,6.7
1949,7,7.4,8,12,14.6,18.6,19.6,19.3,18.5,13.5,8.3,6.9
1950,5.7,6.2,9.5,9.2,15.1,18.5,18.1,17.5,14.3,11.4,7.2,2.7
1951,4.7,4.7,5.4,8.9,12.9,16.9,18.1,16.5,16,12.4,10.1,6.9
1952,3.6,5.7,7.9,12.2,16.3,16,18.5,17.7,12.7,10.6,5.9,4.7
1953,5.3,6.5,9.2,9.7,16.1,17.4,17.1,18.1,16.1,11.9,9.9,8
1954,4.4,3.9,7.5,11.1,14.3,15.3,15.4,16,14.5,13.1,8.6,7.6
1955,3.8,2.5,5.6,12.5,12.5,16.1,22,21.3,16.6,11.4,9.4,7
1956,4.7,3.2,8.9,10.3,15,15.7,17.4,15.3,16.3,11.7,8.4,7
1957,7.2,6.8,11,11.6,14.2,19,18.2,17.5,14,12.4,8.2,6.7
1958,4.9,6,5.6,10.3,13.8,16.1,18.4,18.2,17.7,12.4,8.6,5.6
1959,3.7,6.7,9.5,11.6,17.3,17.9,19.6,20.2,18.3,15.7,9.2,7.4
1960,5.6,5.6,8,11.8,16.4,19.5,17.1,17.3,15.4,12,8.3,5.1
1961,4.9,8.5,10.6,12.2,14.3,16.3,16.8,17.3,17.4,12.5,8.1,4
1962,6.1,6.4,5.2,10.2,13,16.4,16.9,15.8,14.5,13.1,7.5,4.7
1963,0.6,1.8,8.2,10.6,13,17.9,18.1,16.2,15.4,12.5,9.1,4.9
1964,6,6.2,5.8,10.8,16,15.5,17.4,17.9,16.7,11.4,9.3,5.3
1965,4.8,5.3,8,10.8,14.3,17.3,16,17.2,14.4,13.6,6.3,5.7
1966,4.4,6.2,8.3,8.3,14.5,17.9,17.2,17.1,16.2,11.9,7.4,6.4
1967,5.9,6.6,8,10.1,12.3,17.8,18.3,17.7,15.9,11.6,7.7,6.3
1968,6,3.3,8.2,11.4,12.4,18.2,17.4,18.4,15.8,13.7,7.8,4.6
1969,6.7,2.6,4.6,10.1,13.7,17.3,19.1,18.8,16.4,14.9,6.7,4.9
1970,5.5,4.3,5.9,8.5,16.1,20.2,16.5,19.2,15.9,12.5,8.9,5.9
1971,6.2,6.6,7.2,10.8,14.9,14.7,19.8,17.5,17.5,13.7,8.2,8.3
1972,5.1,5.9,8.7,10.6,13.1,13.8,18.6,17.3,14.7,13.3,7.7,7.4
1973,5.6,6,9.3,9.1,13.8,18,18.2,18.7,16.1,11.6,7.8,6.6
1974,7.5,7,8.1,12.3,14.4,16.7,16.5,17.4,13.5,9.4,8.1,8.9
1975,7.8,6.7,7.2,10.5,13.3,18.4,19.4,21.5,15,12.5,8.4,7
1976,6.8,6.4,6.5,10.5,14.1,19.1,21.3,21.4,15.3,12,8,3.1
1977,4.2,5.8,8.5,9.1,14.3,15.7,18.9,18.2,14.7,13.5,7.2,6.8
1978,4.1,4,8.1,9,16.1,16,16.8,16.7,15.2,13.5,10,5.1
1979,2.3,2.9,5.6,9.4,11.7,16.8,17.6,17,15.2,13.3,8.6,6.6
1980,3.8,6.6,6.1,12.1,15.6,15.8,17.1,17.6,16.2,10.6,8.2,7.2
1981,6.1,4.9,9.1,11,14.8,15.1,16.9,18.6,16.6,9.5,9.1,2.6
1982,4.6,6.8,8.2,12,15,17.3,19.4,17.5,16.2,11.9,8.7,5.6
1983,7.6,4,7.5,8.9,12.7,16.3,22.3,20.7,14.9,11.9,9,7.8
1984,4.4,5.3,6.3,12,14.8,17,20.4,21,14.8,12.6,9,6.7
1985,2.9,4.8,6.8,10.1,13.8,14.9,17.8,15.9,16.2,12.8,5.9,7.4
1986,4.5,1.4,7.1,7.8,13.3,17.7,16.7,15.3,14.3,12.3,9.4,7.2
1987,3,6.1,5.8,12.6,13.3,14.3,18.1,17.2,15.2,11.1,7.7,7.1
1988,6.4,6.4,7.5,10.4,15.3,18.3,16.2,17.2,14.6,12,7.7,8.4
1989,8,7.4,9,8.6,16.2,17.7,21.3,18.3,16.2,13.2,8.2,5.6
1990,7.9,8.2,9.9,10.9,16.2,15.9,19.8,19.9,14.8,12.9,7.8,5.4
1991,4.4,4.6,9.7,10.2,14,14.3,20.3,19.2,17.4,11.8,8.3,6.7
1992,5.6,7.7,8.8,10.5,17.4,19.6,18.1,17.6,15.6,9.5,9.2,5.1
1993,7.2,6.9,8.4,12,14.1,17.2,16.6,16.9,14.7,10.6,6.5,5.8
1994,6.1,4.8,8.3,10.2,13.6,16,20.3,17.4,14.4,12.5,11.4,7.7
1995,6.3,7.5,6.7,11.3,14.7,18,21.4,22.8,16.5,15,10,4.1
1996,5.8,4.9,6.1,10.7,12.1,17.1,18.8,19.6,16.2,13.4,7.7,4.7
1997,4.7,8.3,10.4,11.7,15,16.2,19.7,21.5,16.1,12.6,10.1,7.3
1998,6.7,9.4,9.8,9.7,16.3,15.6,16.8,17.8,16.8,11.9,7.9,7.4
1999,7,6.8,8.9,11.9,15.5,16.2,20.3,18.6,18,12.9,9.7,6
2000,6.8,7.8,9.5,10.2,16,16.6,18.2,18.8,16.6,12,8.2,6.5
2001,5,5.9,6.6,9.5,16.7,15.9,19.2,18.7,15.1,14.8,9.3,5.3
2002,7.1,8.1,9.7,12.2,14.3,16.4,17.6,19.3,17,11.6,9.5,6.1
2003,5.8,6.6,10.7,13.6,14.4,18.6,19.7,20.6,17,11.5,9.8,6.2
2004,6.3,7,8.6,11.6,16,17.4,17.8,19.8,16.5,11.8,9.2,7
2005,7.3,5.8,8.8,11.3,14.1,17.7,18.8,19,17,13.4,8,6.4
2006,5.6,6,6,10.8,14.8,18.9,22.6,18.2,18.4,14.2,9.7,7
2007,7.6,7.6,9.2,14.9,14.4,17.4,17.6,18.2,16.6,13.7,9.3,6.3
2008,6.8,8.6,7.8,10.2,17.1,16.8,19.1,17.8,15.3,11.7,8.1,5.1
2009,4.5,5.7,9.2,12.7,15.1,18.5,18.8,18.5,16.4,13.4,9,4.2
