1901,4.9,2.4,6.6,9.7,11.2,17.2,18.6,19.2,17,10.9,6.9,3.7
1902,3.7,6.7,7.3,10.2,10.2,15.1,18.8,19,15.9,11,8.3,5.8
1903,4.4,5.5,7.1,8.4,11.5,15.3,18.3,20.1,16.2,13.3,8.9,5.2
1904,5.4,6.5,5.7,8.9,13.1,16.5,19.8,20.5,15.7,12.4,7.1,6.7
1905,4.2,3.4,8.7,10.2,10.9,16.2,18.7,19.4,15.8,11.1,7.4,4.4
1906,5.6,5.1,6.1,7.6,11.2,16,18.2,19.9,16.1,12.6,7.6,5.3
1907,4,4.4,5.9,9.1,10.5,16.1,16.9,18.9,15.7,11.4,7.8,7.1
1908,5.3,5.4,5.3,7.6,12.1,14.3,17.5,18.9,16.9,13.3,9.1,6
1909,3.3,3,7.3,8.8,11.8,14.2,16.8,19.3,14.7,12.6,8.5,6.9
1910,4.3,7.8,6.3,9.1,11.3,16.2,18.2,19.2,16,12.9,9.3,6.5
1911,2.9,5.1,6.7,7.8,11.8,15.7,18.7,20.1,17.7,12.4,8.4,7.1
1912,5.3,7.9,8.8,8.8,13,16,17.9,18.5,14.7,11.7,7,4
1913,6.4,5.5,6.8,8.9,12.3,15.9,18.1,18.8,15.5,12.3,10.3,5.5
1914,3.2,6.5,8.5,9.2,11.4,14.1,17.7,18.2,16.6,12.4,7.7,5.3
1915,4.4,4.5,6.6,7.2,11.9,16,18.6,19.8,15.5,11.1,8,6.6
1916,4.4,5.7,5.9,8.6,11.9,14.7,17.9,19.7,15.5,12.7,8.2,6.3
1917,4.2,5.4,5.8,6.9,11.9,15.2,18.3,18.9,17.2,11,7.3,2.8
1918,4.7,4.5,5.6,7.6,11.5,15.1,18.2,18.3,16.2,10.1,7.2,5.3
1919,3,6.5,7,7.6,10.8,14.6,16.8,18.7,16.2,10.3,6.3,4.2
1920,4.6,4.8,6,9.2,11.6,15.3,17.6,18,15.7,11.7,6.9,4.4
1921,4.3,5.3,6.1,7.8,11,15.2,18.7,19.2,17.9,14.1,7.6,5.1
1922,4.6,5.6,6.5,9.8,12.2,15.1,17.6,19.1,14.4,12.6,7.2,3.6
1923,2.8,5.5,7.2,7.1,11.7,12.7,19,20,14.4,14.9,7.2,4.1
1924,4.7,3.6,7.2,9.4,14.6,16.9,19.3,18.7,16.7,13.1,8.2,4.3
1925,2,4.3,4,8.4,10.8,14.7,16.9,18.6,15,11,6.2,5
1926,4.9,7.5,7.3,9.4,11.5,15,18.5,18.6,17.7,13.6,6.8,3.6
1927,3.6,3.4,7.1,9.1,12.9,15.1,18.2,19.9,15.7,11.3,5.8,4
1928,3.1,4.9,7,8.1,9.9,15.6,18.6,18.9,16.8,12.1,6.6,3.1
1929,1.9,5.2,5.8,8.8,11,16.5,18.5,18.5,16.8,11.5,7.6,6
1930,6.7,2.9,7.1,8.1,12.2,15.6,18,19.7,16.7,14.1,8.9,7.1
1931,4.9,4.9,6.2,10.1,12.2,17.5,19.3,19.9,15.4,12.5,8.3,3.3
1932,3.6,3.4,8.1,8.5,12.3,14.8,16.9,18.5,16.8,11.4,8.8,6.2
1933,3.9,5.3,7.2,9.9,12.9,14.6,18.9,20.9,17.5,13.3,6,2.9
1934,3,3.8,5.5,8.3,12.5,16.8,19.5,18.8,17.3,12,5.7,7.3
1935,2.8,4.3,6.8,8.6,10.4,16.1,19.5,19.5,17.6,11.2,7.8,6.9
1936,6.8,7.8,7.5,9.4,10.5,14.5,18,18.7,17.2,10.2,7.2,3.4
1937,5.8,7.5,7.2,10.1,11.9,16.2,18.6,20,16.1,13,10.6,5.6
1938,3.9,3.2,5.7,8.3,10.3,16.3,18.1,18.7,15.2,13,9.1,5.6
1939,6.5,4.9,5.2,8.2,9.6,14.3,17.6,17.9,16.5,11.5,7.8,4.9
1940,4.6,7.6,9.2,9.1,11.1,14,17.2,18.5,15.7,10.6,7.3,2.7
1941,4.4,6.6,7.4,8.9,10.5,14.7,17.8,18.5,16.5,11.7,6.9,3.6
1942,4.5,3,8.6,10.2,12.8,16.5,18.4,18.9,16.6,13.7,8.1,5.5
1943,5.6,4.7,7,10.3,13.2,17.1,18.4,19.5,16.4,11.7,6.4,5
1944,2.1,2,5.7,9.9,12.2,16.6,17.9,19.8,17,10.2,7.6,3.8
1945,1.7,5.4,6.4,11,13.5,17.1,19.5,19.1,17.7,12.8,9.4,6.2
1946,3.2,5.2,6.6,9.6,11.5,15.5,18.6,19.7,17.8,13.8,8.4,4.3
1947,4.9,6.7,9.2,9.6,12.1,17.4,19.8,19.8,16.9,13.5,9.7,4.2
1948,6.4,6.4,8.6,9.9,13.1,17,17.8,19.9,16.8,12.8,8.3,6.5
1949,4.9,5,6.8,10.5,10.4,16.6,19.5,20.4,18.3,13.3,9,6.5
1950,4.7,6.5,6.5,8.4,11.9,17,21,21,17.4,13.5,9.8,4
1951,4.1,5,6.8,8.4,10.6,16,18.7,18.7,16.9,10.6,7.3,6.7
1952,2.7,4.2,8.5,9.1,12.9,18.1,19.9,19.8,16,13.3,8.8,5.5
1953,3,3.6,6,9.8,13.4,15,18.7,19.5,16.7,12.4,9.5,7.1
1954,4,4.2,7,8.1,12.1,15.5,17.7,17.9,16.4,12.4,10.1,6.4
1955,8.4,6.4,6.2,8.7,13.5,16.5,19.7,19.8,16.6,12,8.8,7.5
1956,5.9,2.1,6.4,8.7,11.4,14.8,17.9,19.3,16.3,12.5,6.4,2.9
1957,2.3,6.5,8,8.1,10.9,14.5,18.4,19.3,17.2,11.7,7.6,4.4
1958,4.7,6.7,7.2,7.4,12.5,15.9,17.4,19,18.2,12.3,8.6,7.5
1959,5.3,5.1,8.7,9,12,15.8,19.8,19.7,17.3,13.3,8.6,7
1960,5.3,6.7,8.5,9.1,12.8,17.5,19.4,19.9,16.8,11.3,9.2,4.9
1961,4.3,6.7,6,10.5,13.5,16.4,19,19.4,17.9,12.6,8.5,6
1962,5.4,4.7,7.1,9.5,12.4,15.4,20.1,20,18.6,14.2,6.8,4.4
1963,5,4.5,6.8,8.6,11,15.6,19.1,18.9,15.7,12.6,9.6,5.5
1964,4.3,6.2,7.6,8,13.6,16.8,19.2,19.7,19.4,12.2,7.4,4.8
1965,4.2,3.3,6.9,8.8,12.2,16,18.8,18.7,14.6,13.5,8.8,6.7
1966,6.9,7.8,5.6,9.7,11.6,15.9,18.3,20.3,17.7,12.3,6,5.3
1967,3.6,6,7.4,7.5,11.7,14.4,18.8,19.7,16.6,14,9.5,4
1968,4,6,6.1,8.6,11,15.5,19,19,16.5,13.1,8.6,7.1
1969,5.7,3.8,7.2,8.6,12.3,14.3,18.2,18.5,14.9,12.5,8.1,4.4
1970,5.9,4.9,4.8,7.1,10.5,15.5,18.2,19.7,17.8,11.5,9.3,3.3
1971,4.2,4,4.1,9,10.5,13.9,18.5,19.4,16.9,13.7,6.3,4.5
1972,3.4,5.1,5.6,7.9,10.5,14.9,17.5,17.2,14.3,11.5,9.5,5
1973,4.1,3.5,4.3,6.8,12.1,16,18.7,20.2,17.4,12,9.2,5.3
1974,5.1,3.4,6.3,7.8,13.1,16.5,18.5,19.4,17.2,10.8,7.9,5.3
1975,5.2,6,6.3,6.9,9.9,15.3,18.9,19.4,14.7,11.8,7.5,4.7
1976,3.1,5.8,6.5,7.7,11.6,16.3,19.1,19.9,16.1,11.7,6.1,6.6
1977,7,8.6,8.1,9.6,11.8,15.2,18.1,17.6,17.1,14.5,9.8,8.5
1978,5.9,7.7,7.9,9.4,11.9,15.9,17.9,20,17.6,13.1,9,8.4
1979,8.7,7.9,7.8,8.9,12.7,17.5,20.1,20.3,15.4,14.2,8.1,7.3
1980,5.8,7.3,8.5,8.8,12.7,17,18,20.8,19.4,12.8,9,5.3
1981,4.9,5.1,9.7,10.2,12.3,17.2,18.1,19.5,17.9,14.3,10.4,9.1
1982,7.7,7.8,8.2,9.9,13.1,19,20.8,20.4,18,13.1,9.9,6.4
1983,4.3,5,8.3,10.5,13.3,17.6,20.1,19.6,18.5,14.4,11.6,6.7
1984,6.3,5.7,6.3,10.9,11.6,15.9,19.7,20,17.5,12.3,10.3,7.3
1985,4.1,8.6,7.7,11.2,12.2,18.2,21,20.1,19,15.1,9.8,6.8
1986,6.4,7.1,8.2,8.9,14.2,17.3,20,21.2,18.7,14.9,9.8,6.1
1987,5.8,7.1,8.8,11.6,13.6,17.4,20.6,21.2,19.8,15.2,9.9,8.8
1988,8.3,6.8,9.3,11.1,14,17.1,20,21.8,17.8,14.8,10.8,5.8
1989,6,7.5,9.2,9.9,13.7,18.2,21.7,22.6,18.2,15.3,12.3,10.1
1990,6.7,9.3,9.9,10,14.1,18.5,20.8,22.7,20.8,14.6,9.9,6.6
1991,5.5,5.9,9.4,9.3,11.2,17.4,20.8,21.7,19,12.6,8.7,7.2
1992,4.9,4.8,7.8,10.3,14.4,15.2,20.1,21.8,18.7,13.2,10.3,7.9
1993,4.4,6.5,7.8,9.9,13.6,18,19.9,21.2,16.6,12.7,9.1,7.2
1994,5.4,7,8.6,10.1,15,18.5,20.9,23.6,15.6,14.6,10.9,6.8
1995,6.2,8.1,8.5,9.8,14.6,17.5,20.3,21.1,16.7,15.5,11.5,9.1
1996,8.6,6.8,8,11,13.5,18.1,20.1,20.7,16.2,12.3,9.8,7.2
1997,7.4,8.1,8.6,12,13.6,18.2,19,21.2,18.9,16.5,11.6,8.2
1998,7.9,9.3,9.9,11.9,14.4,19.2,22.1,22.1,19.4,13.1,9.7,5.2
1999,5.8,5.9,9,11.3,15.3,18.6,21.6,22.1,18.9,15.6,8.5,7.2
2000,2.7,6.9,7.3,10.7,14.6,17.9,20.4,20.1,17.7,12.9,9.1,7.1
2001,7.3,6.2,9.8,11,13.8,18.1,20,21.5,18.2,15.5,8.3,4.4
2002,5.4,5.5,8.4,9.9,12.6,17.6,19.6,19.3,18.1,14.4,10.8,8.9
2003,6.2,5.9,8,10.2,13.6,20.3,21.3,22.5,18.6,15.1,10,6.9
2004,6.9,5.8,8.2,9.5,13.3,18.6,20.6,22.3,18.3,14.6,8.4,7.3
2005,2.6,4.1,7.4,10.5,14.7,19.2,20.8,20.5,17.5,15,9.1,6.1
2006,5.6,5.5,9.6,11.9,14.9,17.8,21.7,20.5,18.2,15.6,11.7,6.8
2007,5.3,8.8,8.2,10.7,14.1,18.1,20.4,20.8,17.8,13.8,7.7,6.3
2008,6.1,8,8,11.2,13.4,17.2,20.8,21.3,18.1,14,7.8,5.7
2009,5.9,6,7.8,9.6,14.4,18.6,21,21.3,17.7,14.9,11.3,7.1
