1901,5.2,3.4,7.2,11.8,15,19.8,22,22.6,17.3,11.8,6.9,3.6
1902,5.2,6.5,9.3,11.5,13.6,16.6,21.9,20.9,17.4,12.5,9.2,5.6
1903,5.2,7.4,8.7,12.1,13.1,17.2,21.9,22.7,17.4,13.4,9.6,4
1904,4.8,6.1,6.9,12.4,16.4,18.9,21.8,22,17.1,15.1,8.6,7.4
1905,4.7,4.8,9.3,12.5,14.4,17.1,22.1,20.9,16.8,12.2,6.6,5.7
1906,6,4.6,8.1,10,14.3,19.5,21.8,23.3,19,13.5,8.4,4.9
1907,4.5,4.9,9.8,10.8,13.2,18.8,21,22.6,19.4,11.2,8.6,7.5
1908,6.4,6.1,6.4,9.5,16.6,17.8,21.9,22.1,18.2,14.7,10.3,6.4
1909,4.5,4.7,7.1,12.9,15.5,15.7,22.1,22.1,17,13.6,8.3,7
1910,4.7,7,7.3,10.4,12.8,17.9,20.8,21.2,18.6,13.2,8.2,6.4
1911,2.9,6.6,7,9.6,13.6,16.8,23.6,22.3,20.3,12.3,8.2,6.9
1912,5.4,8.4,9.3,11.6,16.2,17.4,19.3,20,17.9,12.5,7.9,4.5
1913,6.6,6,8.4,10.1,14.5,19.6,22.2,21.3,16.9,12.8,9.3,4.7
1914,3.7,6.9,8.5,12.2,14.7,16.8,20.3,21.3,19.8,14,7.7,5.8
1915,4.8,5.2,9.2,10.1,15.1,17,22,22.6,18.3,12.6,9,7.4
1916,5.7,5.2,6.2,10.9,14.8,17.9,21.4,22.4,18.4,14.2,8.2,6.4
1917,4.2,5.3,6.5,10.1,14.9,18.4,22.4,20.2,19.1,11.8,8.6,4.8
1918,6.7,6.9,7.5,9.5,15.1,19.6,22.2,23.2,17.4,11,8.6,5.8
1919,4.8,8.1,7.9,10.4,15.4,20.9,21.5,23.4,18.8,12.3,6.8,4.9
1920,5.6,7.4,8.6,11.7,15.4,18.1,20.2,20.6,18.6,12.3,8.3,6
1921,5.7,6.5,8.5,11.2,14.3,19.6,23.2,21.7,18.9,16.1,8.6,5
1922,5.3,7.1,7,10.1,18.1,18,20.7,21.8,16.8,13.6,9,5
1923,4.4,6.7,9.7,9,14.2,18.6,22,22.8,18.1,15.5,7.1,4.3
1924,6.1,3.9,9.4,11.7,15.6,19,21.5,21.3,17.2,14.1,8.2,6.2
1925,6.1,4.9,6.7,10.2,12.9,18.7,19.9,21.6,17.9,14.7,7.2,7.4
1926,5.9,9.1,9.8,11,13,17.8,22.5,23.7,22.3,15.3,8.3,5
1927,5.5,6.1,8.5,12.3,15.5,18.7,19.9,20.9,16.8,14.9,7.9,6.1
1928,4.7,8,8.5,10.1,12.9,18.9,24.2,21.9,18.9,13.4,8,4.6
1929,4.7,6.8,10.3,12.7,13.1,19.5,22,22.2,19,13.8,8.5,7.4
1930,6.2,4.2,9.2,9.3,14.7,17.6,21,22.9,19.1,15,9.3,7.3
1931,5.5,6.4,10,11.6,13.6,19.5,21.1,20.9,18.4,14.4,9.2,4.4
1932,4.9,4.6,9,9.1,13.6,17.2,20.5,22.9,18.4,12.5,9.3,6.4
1933,4.5,5.6,8.9,13,16.7,17.8,23.4,24.5,18.4,13.4,6.7,2.5
1934,4,5.2,6.6,9.4,16.1,19.8,23.7,20.9,18.7,15,6.1,7.7
1935,3.9,5.5,10,11.1,12.2,17.3,22.8,21.8,19.2,12.2,8,6.7
1936,8.1,7.9,8,10.7,12.7,16.3,20.5,23.5,18.8,12.1,7.6,4.1
1937,5,7.5,7,12,14.7,18.3,22.8,22.7,18.2,14.3,10.1,4.6
1938,5.2,5.9,11.3,13,13.6,20.1,21,21.2,16.9,14.1,10.5,5.3
1939,7.1,7,8.3,10.4,14.2,17.3,21,21.3,19.5,12.1,8.4,5.6
1940,5.1,7.9,10.7,11.7,14.1,18.2,20.9,23.5,18.4,11.8,7.9,4.1
1941,4.8,7.1,9.2,10.7,12.1,19.5,22.4,22.1,20.3,15,8.2,4.4
1942,5.8,4.7,10.1,11.7,14.9,19.7,22.3,21.5,19.1,15.3,8.8,6.5
1943,5.1,6.8,9.5,14.2,17.1,21.7,22.1,23.6,17.9,13.8,8.2,6.3
1944,4.6,4.9,9,13.3,16.3,20,22.1,22.6,19.1,12,9.4,5.5
1945,3.4,8.2,10.9,14.8,15.6,21,22.4,20.8,20,15.9,10.8,7.6
1946,4.9,7.3,8.8,11.4,12.3,18.5,23.1,21.4,18.9,15.2,9.6,5.5
1947,5.2,6.6,10.1,13.7,14.6,20.2,23.3,22.9,19.3,15.5,11.7,5.6
1948,7.8,7.8,12.5,11.4,14,20.4,22,22.1,20.2,15.3,10.9,8.1
1949,6.6,8,9.1,14.1,14.4,20.1,23.8,24.3,19,15.1,9.9,6.6
1950,5.7,7.6,9.8,11.8,14.4,19.5,23.1,21.5,18.6,14.3,10.6,5.1
1951,6.5,6.1,9,11.9,12.4,19.6,22.5,21.3,20.1,13.7,9.5,7.5
1952,4.7,6.8,11.3,11.8,15.6,20.5,22,21.5,17,14.7,10,6.8
1953,5,5.7,9.4,11.8,17.6,18.2,22.2,24.1,19.7,13.6,10.5,8.9
1954,4.4,5.6,8.8,10.8,15.1,18.2,21.9,20.9,19.1,16,11.1,6.4
1955,9.3,7.2,8.3,14.2,17,19.8,22.3,23.1,19.8,14.8,9.7,8.2
1956,7.2,4.3,8.6,10.8,15.5,18.8,21.4,20.9,17.9,14.1,7.4,4.3
1957,3.5,8.2,11.6,10.9,13.9,18.5,22.6,22.8,19.8,13.9,8.1,4.7
1958,6.9,8.4,9.2,11,15.7,18,21.8,21.7,20.3,14.4,9.1,7.7
1959,7.6,6.7,9.6,11.4,14.6,19.3,23,22.2,18.9,14.2,9.2,7.4
1960,6.4,7.4,9.8,12.3,15.9,20.5,21.6,20.9,18.9,12.3,9.9,5.7
1961,5,11.4,13.8,12.3,17.3,19.9,21.9,24.3,20.1,13.1,8.3,8.3
1962,6.8,7.4,7.9,12.1,15.6,20.7,21.8,23.5,20.3,15.8,6.6,5.3
1963,5,4.1,7.9,11.6,15.7,18.1,22.4,20.7,18.2,17.7,9.1,4.5
1964,6,8.2,8,11.5,19.1,19.3,23.2,22.6,21.5,13.4,10.5,4.6
1965,5.2,5.1,9.1,12.4,17.9,20.6,20.2,22.9,16.6,13.8,7.4,7
1966,8.2,7.9,9.8,11.3,17.1,17.9,22.5,22.1,21.1,12,6.4,7.1
1967,6.3,7.4,11.7,11.5,12.4,18.8,24.1,22,18.1,15.7,8.6,5.9
1968,7.3,6.5,8,11,14.6,20.8,22.1,21.8,17.3,17.4,9.9,6.1
1969,6.7,4.8,7.8,11.4,13.1,17.4,24.4,22.6,15.7,14.8,7.9,4.9
1970,6.5,7.4,7.5,11.9,15.6,17.9,23,21.1,21.8,14.9,11.2,3.9
1971,4.7,8.7,6,10.7,12.2,16.2,21.3,19.5,19.7,17.1,8.9,6.6
1972,3.8,5.9,7.7,11.6,13.7,17.7,21.5,20.7,16.1,12.1,9.4,5.6
1973,6.3,6.7,9,12.5,14.8,19.2,20.9,24.6,17.9,13.8,10.6,5.1
1974,7,6.2,8.6,10.2,15.2,18.6,22.9,21.6,17.6,11.7,10.1,8.7
1975,7.9,7.9,6.5,11.6,13,18.5,22.9,22.4,16.8,15.2,8.9,4.6
1976,5,7.5,9.2,10.3,15.8,21.7,23.1,22.6,17.4,12.3,7.6,7.5
1977,6.2,8,9.9,13.1,14.9,17.5,19.8,20.3,20.5,14.7,8.6,9
1978,5.8,8.1,9.1,10,13.4,16.9,21.9,22.5,21.3,14.7,9.8,8.4
1979,7.3,7.7,7.6,10.4,14.7,19.8,23.2,22.2,19.5,13.2,8.6,7
1980,6.3,7.9,8.8,11.9,13.7,18.2,21.4,22.8,20.6,14.5,8.8,4.9
1981,8.2,7.1,10.7,10.5,13.2,21.7,22.8,23.6,19.7,15.1,13.5,7.3
1982,7.8,7.8,10,12.7,15.9,19.5,21.1,23,19.2,13,9.3,6.3
1983,8.4,5.7,11.5,9.7,12,20.9,20.8,20.5,22.3,16.2,11.6,8
1984,5.9,7.4,6.9,14.4,10.2,18.4,23.3,21.8,19.5,14.9,8.9,6.8
1985,4.3,8.7,7.6,12.8,13.2,19.5,23.6,22.7,23.7,17.6,8.6,7.1
1986,5.6,5.8,8.8,7.6,17,19.8,24.8,21.4,19.7,16.2,10.4,7.1
1987,5.9,7.4,11.4,12.6,15.9,19.6,22.2,23.6,22.4,11.6,9.6,8.3
1988,6.5,6.9,10.7,11.2,13.7,16.8,21.4,23.2,21.4,14.8,10.6,7.4
1989,7,8.8,11.6,9.4,17.6,20.4,25.7,23.7,19,16.6,9.8,8.1
1990,5.9,10.8,10.9,10.6,17.1,20.5,24.9,24.9,20.8,13.5,9.4,5.7
1991,6.1,5.9,10,11.3,16,20.4,23.7,25.3,21,12.8,9.2,7.1
1992,4.4,7.4,10.9,12.7,17.6,16.5,24.2,23.7,19.2,12.6,10.6,7.4
1993,8.5,7.3,9.6,11,13.6,20,22.8,22.3,17,11.3,8.4,7.1
1994,6.2,7.1,12.2,11,14.8,20.3,23.5,23,17.8,15.3,11.1,7.8
1995,7,8.3,10.4,13.7,16.9,19.8,23.5,23.4,16.9,16.8,11.2,8.1
1996,4.9,5.8,9.1,13,14.6,21.8,23.6,21.3,17.9,14.8,9.9,7.3
1997,4.5,9.6,13.6,15.2,15.2,17,22.2,23.1,21,17,10.4,7.5
1998,7.7,9.4,12.2,10.2,15.2,19.8,23.4,25.2,19.1,14.7,10.1,5.5
1999,6.4,7,10,12.4,16.2,20.1,24.2,22.8,18.3,14.6,10.1,7
2000,4.4,9.8,11,9.7,15.9,21.1,21.6,22.7,19.9,14.2,8.7,8.3
2001,7.8,8.9,11.2,12.8,15.8,21.6,21.8,22.4,19,15.2,7.7,4.5
2002,7.4,7.9,10,11.3,13.3,18.4,21.1,20.9,17.8,14.6,9.2,8.4
2003,6.6,6.6,11.1,12.2,17.3,22.2,22.8,25.2,20.2,13.4,10.1,7.1
2004,8.1,7.7,9.1,11.8,14.8,23,23.7,21.9,19.7,14.4,7.6,6.2
2005,4.7,4.9,9.5,12.2,17.1,23,23.6,24.2,19.7,15,8.9,6.5
2006,5.2,6.2,10.3,13.4,17.5,21.2,24.6,23.6,20.5,15.7,11.8,8.6
2007,6.6,9.2,9.8,12.8,15.6,18.5,21.7,21.6,19.8,14.7,9.7,6.1
2008,8.5,9.8,9.8,12.4,14.3,20.6,21.9,22.2,18.5,14.1,8,6.4
2009,6.8,7.8,12,11.3,16.8,20.9,22.1,24.3,22.9,17.4,10.4,6.6
