1901,6.5,6,10.6,15.1,18.3,20.3,21.1,20.3,18.6,15.3,10.9,6.6
1902,6.9,6.7,12.1,15.1,18.9,19.4,20.7,20.2,18.5,14.8,11.4,7.1
1903,4.8,6.4,11.2,15.4,17.4,20.2,20.8,19.8,18.1,15.4,10.5,6.3
1904,5.3,7.8,10.1,14.4,17.4,19.8,20.5,20,18.5,15.3,10.5,5.7
1905,6.7,6,8.1,13.1,18.4,20.4,20.9,19.6,18.7,15,11,7.4
1906,5.2,6.6,9.3,13.7,17.8,20.5,21.3,20.1,19,15,10.4,7
1907,6.4,6.3,9.8,13.9,17.8,19.4,20.5,20.6,18.2,16.1,11.8,6.6
1908,6.3,6.6,9.9,14.6,17.8,20,20.7,20.5,18.6,15.2,11.1,6.8
1909,5.6,7.2,11.1,14.8,17,20,20.9,20.5,19.6,16,12,7.3
1910,6.2,7,10.2,14.4,18.9,20,20.4,20.4,18.5,14.8,10.9,5.8
1911,5.7,6.5,10.7,14.5,17.5,20.6,20.6,20.2,18.7,14.3,10.6,7.1
1912,4.8,6.8,10,14,18.6,20.2,20.2,19.8,17.3,14.5,10.4,6.4
1913,5.1,7.3,8.9,14.2,16.4,19.8,20.8,19.9,18.2,14.8,10.1,5.8
1914,6.2,7.6,11.2,14.5,18.1,20.1,21.4,19.8,18.2,14.9,10.4,7.5
1915,5.9,7.5,10.4,15.9,17.3,19.7,20.4,20.4,18.2,17.1,11.8,7.3
1916,5.9,7.1,9.9,15,18.9,20.4,21.1,20.7,19,14.9,11.1,6.9
1917,4.1,5.9,9.6,13.9,17.5,20.1,21,20.4,19,15.6,11.6,6
1918,4.3,7,10.8,14.2,17.7,19.4,21,19.7,19.3,15.9,10.8,8.2
1919,6.4,6.4,12.7,15.8,18.6,21.1,21.2,21.5,18,14.8,11.1,6.8
1920,6.3,5.6,10.8,14.3,18.1,20.3,22,20,19.3,14.9,12.2,7
1921,6.5,6.7,10.8,16.6,18.8,21.2,21.4,21.4,18.3,14.6,11.1,8.7
1922,6.1,10.2,11.5,15.6,20.3,20.8,22.4,21.4,19.5,15,10.6,6.2
1923,6.5,6.4,13.3,15.7,19.4,20.4,21.6,21,20.1,16.9,13.2,7.8
1924,7.7,7.6,10.5,15.7,21,21.1,22.1,21.7,20.8,15.9,10.8,7.8
1925,3,4.6,10.7,13,19.5,20.6,22,22.1,19.6,15.2,12,6.3
1926,7,7,10.8,16.5,19.9,20,21.5,21.9,19.9,14.4,11.6,7.8
1927,6.7,6.3,10.4,14.4,19.2,22,21.5,21.1,19.2,15.5,12.2,9.5
1928,7.5,6.7,12.8,16.4,19.4,19.9,21.7,21,20.4,14.2,10.3,7.8
1929,6,7.1,10.9,14.3,19.8,21.5,21.5,21.4,19.5,15.3,10.1,7.3
1930,1.6,8.5,10.3,17.6,19.6,21.2,23.8,21.6,18.3,15.1,10.9,7.1
1931,6.4,7.5,11.4,16.5,20.2,22.1,21.7,22.9,19.8,15,12.5,8.4
1932,6,5.5,10.6,16.5,21.1,21.4,21.8,22.1,19.1,14.3,12.9,7.3
1933,3.4,7.8,11.2,17.7,19.2,21.2,21.4,21.2,20.5,15.4,12.3,10.5
1934,2.1,8.3,11.4,15.7,19.8,21,22.2,21.7,20.7,14.5,10.8,9.1
1935,6,8,12.5,15.3,18.7,20.5,22,21.4,18.4,16.7,12.9,7.5
1936,3.6,6.6,8.1,14.6,17.5,20.1,21.8,20.6,17.1,13.9,11.1,7.4
1937,5.1,7,11.6,15.9,18.7,20.1,22.3,20.6,19.3,15.8,10.6,7.6
1938,5.7,6.2,10,15.7,18.5,21.2,20.8,20.4,19.4,16,10.2,8.2
1939,6.1,8.1,11.5,13.7,18.4,19.8,20.6,20,17.3,14.4,10.8,5.6
1940,4.9,7.8,10,12.7,17.1,19.6,20.8,19.8,18.7,15.6,9.4,8.4
1941,7.2,9.5,11.9,14.7,17.4,19.7,21.2,19.4,16.4,13.7,10,9
1942,7.8,7,12.7,15.3,19.1,20.7,20.4,20.7,19.3,16,13.1,6.9
1943,5.5,6.1,11.9,14.7,18.6,21.1,21.5,19.6,18.1,15.8,10.7,7.3
1944,7.2,7.5,12.2,15.8,16.7,19.9,20.9,19.2,18.1,14.1,10.7,2.8
1945,3.9,3.8,10.2,15,17.4,21.5,21.2,20.5,19.7,14.2,12.8,6.3
1946,8.5,10.1,11.4,18.1,19,21.3,20.6,20.8,19.3,14.2,11.6,7.3
1947,7.5,6.3,11.6,14.7,19.7,20.4,21.6,21.2,19.4,13.8,11.1,6.6
1948,6.2,8.5,11.8,16.7,17.9,21.3,21.3,20.8,19,13.4,8.3,8.5
1949,5.7,8.2,11,14.8,18.8,20.6,21.1,20.4,19.2,15.6,11.2,7.7
1950,5,5.6,12.2,14.8,18,20,21.1,19.9,18.4,15.6,10.2,5.5
1951,6,8.1,8.5,14.1,18.3,19.6,21.5,21.1,17.8,16.3,11.3,8.6
1952,7.4,8,11.7,15.5,20.2,20.7,22,21.3,19.4,14.9,12.5,4.3
1953,5.8,8.3,12.2,13.5,17.9,20.4,22.2,21.5,17.2,16.3,10.8,7
1954,6.8,6.7,8,15.1,18.4,20.8,21.7,20.7,18.7,14.7,10.5,4.5
1955,2.5,8.2,11,13.1,18,19.9,21,20.2,19.6,14.4,8.3,5.8
1956,2.9,8.1,10.2,16,17.6,21,20.9,20.3,17.6,13.6,8.6,5.1
1957,6.2,3.9,10.4,14.5,17.7,19.8,21.6,19.8,18.2,13.4,12.1,8.1
1958,4.2,5.7,12.2,16.1,17.4,20.3,20.9,20.2,17.8,13.2,8.7,6.2
1959,5,5.9,11,16.1,17.3,20.1,20.7,20.9,17.9,13.2,10.6,7.7
1960,4.6,7.5,12.1,13.9,16.9,20.5,20.7,20.5,18.3,14.3,11.5,6.9
1961,4.5,6.7,10.4,15.1,17.8,20.6,21.4,20.6,17.9,15.8,10.8,7.3
1962,3.5,7,9.6,13.9,18,20,21.5,20,17.9,14.4,9.1,5.2
1963,2.4,6.3,10.2,14.9,19.3,19,20.9,21,19.9,14.4,12.5,6.7
1964,6.1,4,11.4,16.6,18.1,19.7,21.3,20.8,19.2,16.2,9.3,5.7
1965,6.2,7.4,9.9,15.3,17.7,19.5,21.1,19.5,17.5,16,10.4,6.3
1966,7.3,8.7,11.9,15.5,17.2,19.5,21.1,20.5,16.4,15.8,10.7,7.7
1967,3.5,4.6,10.9,14.2,19.5,20.2,21.2,20.7,17.8,13.5,11.2,5.8
1968,5.8,3.3,10.9,13,17.4,19.3,20.8,21,18.6,15.3,12.9,9.4
1969,4.8,5,10.5,14.6,19.5,19.8,21.4,20.4,18.1,14.7,8.5,5.7
1970,4.6,8.4,8.9,14,18.5,19.6,21.6,20.6,18.6,13.2,9.2,9
1971,3.6,6.4,10.1,15.7,17.4,20.8,20.7,20.2,18.5,12.4,8.1,6.6
1972,5.3,4.6,12.2,12.7,18.4,19.8,20.5,19.7,18.1,15.8,11.9,7.5
1973,6,9.6,12.1,16.2,19.1,20.7,20.8,20.2,19.2,14.7,9.4,5.3
1974,3.4,4.7,8.5,14.3,19,19.5,20.6,19.6,18.9,15,10.7,6.8
1975,6.6,7.4,11.8,15.8,18,20.8,21,19.9,19.5,15.2,9.6,1.8
1976,4.8,7.9,9,13.3,17.8,19.7,20.6,20.2,18.1,14.9,9.2,7
1977,2.7,3.9,11.4,15.4,18.4,20.4,21.7,20.7,18.2,16.1,9.8,8.1
1978,5.3,6.3,11,15,18.2,20.4,20.8,20.5,17.5,13.7,11,8.1
1979,6.9,10,10.9,15.8,17.8,20.1,21.6,21,18.8,12.7,7.8,8.3
1980,6.1,6.1,11.2,15.6,18.5,20.9,21.7,20.8,17.8,15.9,13,8.6
1981,6.3,8.1,12.9,16.3,16.9,20.2,21.1,22,19,15.1,11.8,6
1982,7.8,6.7,11.9,13.9,18.5,19.8,21.7,21.5,19.4,17,12.8,4.5
1983,4.3,7.7,10,15.3,19.3,21.5,22.2,20.7,20.1,16.6,10.6,5.7
1984,3.2,5.9,11,16.1,17.8,20.9,21.6,20.5,18.8,13.8,12.6,6.3
1985,5.9,7.9,8.8,13.8,19.3,20.6,21,21.2,18.4,15.3,12.3,6.8
1986,6,7.2,10.7,15.9,18.5,21.1,21.4,20.5,18.6,15.7,11.4,8.5
1987,8.6,9.8,12.1,14.7,19.1,21,21.5,21.4,18.9,15.5,11.8,4.7
1988,7.2,7.1,8.9,14,19.2,19.8,21.7,21.1,18.5,15.3,10.4,8.7
1989,5.5,6.5,11.6,15.6,17.7,20.8,20.8,20.4,19.5,16.1,11,6.4
1990,7.2,7.1,11.7,14.9,16.8,20.1,21.2,20.4,19.3,15.9,13.2,8.6
1991,7.6,8.8,11.9,15,18.2,20.9,21.8,20.7,18.8,15.7,11.2,8.2
1992,6.2,7.8,10.7,16.2,18.9,20.4,21,20.4,19.1,14.1,9.4,7.5
1993,5,7.8,11.5,15,18.5,20.7,22.4,21.3,19.5,14,9.9,6.1
1994,8.1,8.3,10.5,17,19.8,20.4,21.2,20.9,19.8,15,12.2,9.6
1995,6.2,8.4,12.2,16.6,18.7,20.9,21.5,21.2,20.2,16.2,10.9,7.4
1996,5.9,6.2,10.4,15,18.7,20.7,21.7,21,18.8,15.6,13.8,8.5
1997,6.8,8.2,13,15.5,18.7,20.5,21.4,21,17.6,16.9,12.3,9.8
1998,7,9.6,12.5,17.4,19.8,21.3,22.5,22.1,19.1,16,12.1,8.7
1999,7.3,10.1,12,17.1,17.9,21.1,21.2,20.6,18.9,16.7,12.2,4.6
2000,7,8,12.5,17.1,17.6,20.2,21.2,21.1,18.7,16.1,9.2,8.7
2001,7.4,7.8,12,15.9,16.8,20.2,21.9,21.5,19.3,17.1,9.8,7.6
2002,7.2,10.6,13.7,16.2,17.4,21.7,21.1,20.3,17.1,14.9,11.4,9
2003,5.7,8.5,11,15.5,18.6,20.9,21.3,21.2,17.9,15.3,11.6,7.8
2004,8,7.2,12,15.6,17.2,20.3,20.2,21.3,18,13.1,10.8,5.9
2005,4.5,5.9,9.2,15,19.2,21,21.1,20.2,18.5,14.6,12,5.7
2006,5.6,7.5,10.5,15.3,17.1,20.3,21.3,20.4,17.5,16.9,11.7,6
2007,4.4,10.4,11.3,13.1,17.4,20.5,21.2,20.1,17.5,14.6,8.7,8.5
2008,3,3.5,11.4,15.3,17.6,19.3,20.6,20.5,18.9,16.1,10,6.4
2009,3.9,9.5,11.1,14.7,18.1,20,21.2,20.8,19.3,16,8.7,7.6
