1901,6,3.9,8.6,15.3,18.4,21.3,23.1,26.6,23.3,18.9,12,6.8
1902,4.1,5.6,10.3,13.1,17.8,21.3,23.3,24.6,23.2,17.7,13.6,9.2
1903,5.7,5.6,10.5,15,17.4,21.6,22.8,27.6,24.7,17.7,11.3,5.7
1904,3.6,6.7,8,15.4,17.7,22,26,27,22.6,17.1,10.7,7.4
1905,6.4,4.5,8.1,13.6,18.4,21.4,25.5,24.4,23.3,18.4,12.7,8.9
1906,3.8,4.3,8.8,14.8,18.1,20.9,25,26.8,21.8,17.5,10.8,7.1
1907,6,3.7,8.2,14.9,18.5,20.7,24.3,26,22.4,17.6,13.1,6.5
1908,5.4,5.1,7.9,14.1,18.4,22.2,23.9,25.8,21.5,18,10.8,7.5
1909,4,4,7.4,15.3,18.5,20.8,25.6,27.6,23.6,16.9,12.6,6.5
1910,5.8,3.8,7,13.8,18.6,21.6,25.7,25.5,22,16.9,12.9,6.4
1911,4.8,6,9.4,14,18,21.1,25,25.7,24.2,17.5,14,7.1
1912,4.7,8,9,14.7,18.4,21.9,24.2,26.9,21.8,18.1,11.6,7.4
1913,4.4,5.3,7.5,15.3,17.8,21.2,25.4,26.1,21.9,17.8,12.7,7
1914,5.8,5.7,10.5,13,18.6,21.9,27.3,27.6,24.5,18.2,14,8.3
1915,5.5,5.9,7.6,13.7,18,22.4,26.6,27,24.6,19.7,13.9,8.5
1916,7.7,6.3,7.1,13.9,18.7,23.6,26.1,26.8,25.2,17.9,13.8,8.9
1917,3.4,5.2,7.6,13.6,17.5,21,26.8,26.2,24,18.1,10.6,4.9
1918,2.9,5.5,8.1,13.7,17.4,20.5,25.8,26.2,23.1,18,11.9,6.5
1919,4.2,5.5,9.6,15.1,18.4,21.2,24.6,26.2,23,18.4,12.8,6.9
1920,5.1,4.3,8.2,14.3,18.1,21.9,26.4,26.1,23.4,18.6,13.8,7.7
1921,5.8,5.7,7.5,14.3,18.4,19.2,25.2,27,22.4,17.7,11.2,7.4
1922,2.9,8,8.2,14.4,19,23,25.9,28.4,25.3,18.8,12.9,6.2
1923,3.6,5.2,10.2,13.9,18.7,21.5,25,28.3,24,18.3,13.2,7.6
1924,5.3,5.6,6,14.8,17.6,21.5,27,27.2,23.3,17.6,11.5,7.1
1925,4.5,4.2,8.2,12.5,18.3,21.7,24.8,26.3,23.7,18.3,13.3,8.1
1926,4.7,5.8,7.7,13.8,17.9,21.4,25,28,25.1,17.2,11.9,6
1927,4.9,4.2,8.2,14.7,18.2,21.9,26.9,26.8,22.5,17.9,13.4,8.3
1928,5,5,8.7,14.6,19.5,21.4,25.4,25.8,24.9,18.4,13.9,7.1
1929,4.3,4.8,8.4,14.3,17.6,22.2,26.8,27.8,22.4,17.9,12.1,9.9
1930,4.5,6.4,9.9,15.4,18.8,22.6,27.5,27.7,23.4,18.7,11.6,8
1931,5.2,5.2,9.7,13.3,18.1,22.3,23.4,26.9,24.1,17.5,13.9,8.7
1932,7.5,4.8,8.2,13.1,18.6,21,26.9,26.5,22.2,17.3,12.5,7.7
1933,4.4,5,7,14,19.6,23.2,27.4,26.9,23.8,17.7,12.6,7.4
1934,2.1,4.7,8,13.4,19.4,22.4,26.8,27.7,23.2,16.7,11.4,8
1935,5,6.5,8.8,14.1,18.9,22.4,25.6,26.1,21.9,18.7,12.8,6.7
1936,2,3.3,6.6,13.9,17.5,22.5,25.1,27,25,17.6,12.9,8.9
1937,5.1,7.4,9.7,15,19,21.2,26.5,28.1,23.3,18.1,12.8,6.2
1938,4,4.4,11,15,19.1,22.4,25.9,25.8,23.4,18.8,11.7,7
1939,3.7,5.2,8.5,14.4,18.9,22.2,26.6,27,24.5,18.2,13.6,7.5
1940,3.8,4,8.2,14.4,19.5,22.5,27,25.6,23.8,19.2,14,8.5
1941,6.3,6.1,10.2,14.7,19.5,21.9,25.2,26.4,22.2,18.9,13.7,8.6
1942,4.3,4,11.6,15.4,18.9,22.2,28.9,28.3,25.3,18,12,6.4
1943,3.4,4.9,8.5,13.8,19.4,22.1,24.8,26.9,25,18,12.8,8.1
1944,4.6,4.4,7.7,13.6,19.5,23.5,27.1,27.2,24.5,17.7,12.4,5.1
1945,2,3,8.5,16.2,17.4,22.4,24.5,27.5,23.9,18.3,13,5.9
1946,5.1,5.8,7.5,15.7,18.1,22.6,27.3,26.8,23.9,18.9,14.1,5.4
1947,4.9,3.1,7.7,15,17.7,21,26.5,28.8,24.4,16.9,11.8,5.1
1948,4.9,6.2,7.7,15.5,19,22,26.1,26.7,24.2,19.1,13.1,10
1949,6.1,6.9,7.5,13.1,19.5,20.8,25,26.9,23.4,17.4,12,7.6
1950,6.2,5.5,8.6,15.4,19.8,21.9,25.7,26.4,23.2,17.2,12.2,6.1
1951,4.5,6.1,9.3,14.1,19.4,21.7,24.6,27.9,22.2,19.5,12.5,8.9
1952,5.1,4.4,8.3,15,19.4,21.8,24.9,27.8,23.9,18.3,14,7.7
1953,4.4,5.3,9.8,14.1,18.7,21.8,25.3,27,23.9,19.1,11.6,9.1
1954,5.9,7.6,9.5,16,18.2,20.1,23.6,27.6,24.2,16.4,14.3,7.9
1955,4.3,7.5,9.6,15.3,19.1,22.9,27.2,27.8,24.7,17.6,12.4,9
1956,4.9,5,9.1,14.8,17.6,23.2,26.5,27,23.4,18.1,12.3,5.6
1957,6.2,4.5,7.1,16.1,18,21.8,24.9,26.9,21.2,18.3,13.9,8.4
1958,5.1,6.9,8.9,15,19.1,22.9,26.2,27.2,24,16.9,12.9,8.9
1959,4.5,8.9,10.5,15.4,19.6,22.5,27.1,27.6,25.6,18.9,14.1,9.1
1960,5.6,8.5,10.8,14.4,18.7,22.2,27.3,27.4,24.5,18.7,13.6,7.4
1961,4.2,5.2,10.4,16.1,19.8,22.6,27.6,28.3,26.3,19.9,14.1,8.6
1962,4.7,7.3,9.5,14.9,18.6,21.2,25.7,28.1,25.5,18.5,12.7,8.9
1963,2.2,4.1,9.2,15.2,18.6,23.2,27.4,26.9,22.5,18.3,13.3,9.2
1964,6.7,4.3,9.2,17.7,21,22.5,27.6,28.5,24.9,18.5,13.6,8.6
1965,5.4,6,8.3,13.7,19.7,22.9,26.1,28.6,23.3,19.2,14.5,7.5
1966,5.1,8.7,10.7,15.1,19.4,21.6,26.6,27.8,24.5,19.2,13.5,6.7
1967,5.1,6.3,10.1,15.1,21.7,24.7,26.4,29.1,24.7,18.4,14.2,6.1
1968,5.1,4,10,16.2,19.3,23,24.8,26.5,22.5,17.4,14.8,10.5
1969,5.8,6.2,8.4,15.9,20.8,22.4,25.1,27.6,24.9,18.4,12.6,7.8
1970,5.6,7.4,6.3,14,19.6,20.4,26.1,27.1,24.6,18.8,13.4,8
1971,5.7,6.3,8.7,15.5,18.9,21.7,26.4,26.7,23.1,16.5,13.3,8.7
1972,7.7,6.1,9.8,14.6,18.8,21.7,25.3,26.7,23.6,19.1,12.7,8.3
1973,6.5,7.4,8.8,17,19.5,21.8,27.8,27.9,23,18.4,12.9,6.5
1974,4.4,5.7,8.7,16.4,20.5,23.4,25.1,27.6,23.2,18.6,12.4,7.4
1975,4.8,4.7,9.6,15,19.1,22.9,27,26.9,25.9,18.3,14,7.9
1976,5.4,8.2,9.9,14.7,18.7,22.1,25.2,26.8,22.7,18.3,12.2,8
1977,3.6,5,10.6,16.4,20,21.8,27.5,26.8,25.1,21.2,14.6,10.1
1978,5.8,5.2,9.8,15.4,19.7,23.5,28.3,29,25,18.9,13.8,10.2
1979,8,9.2,9.7,14.9,20.1,24,25.8,28.3,24.7,20.3,13.9,9.9
1980,5.4,5.2,9.4,15,20.2,23.2,25.3,25.1,23.4,18.8,14.5,6.6
1981,3.6,5.6,10,15.8,19.4,22.7,27.7,27,23,18.6,11.6,8.3
1982,5.8,6,11.1,15,21.1,22.8,23.8,26.3,22.6,18.7,14.5,9.1
1983,6.4,6.2,9.1,17.2,20.6,22.8,26.3,28.9,24.5,18.7,13.1,7.3
1984,3.4,3.4,6.7,14.5,19.2,23,26.6,28.8,23.9,18.5,14.5,7.8
1985,4.7,6.6,9.6,16.4,20.2,22,27.6,28.2,24.9,19.4,12.9,6.7
1986,4.1,4.3,9.1,15.9,18.8,22.7,25.5,27.7,24.8,17.7,13.1,9.7
1987,6.9,7.2,9.2,15.3,19.5,23.7,26.6,28,24.5,19.8,14.1,9.6
1988,7.5,5.4,8.9,15.3,19.6,22.8,24.7,27,24.3,18.2,12.4,8.2
1989,7.8,8.2,10.2,16.4,18.4,22.1,25.4,27.4,24.9,19.2,14.3,9
1990,5.8,8.7,10.9,16.1,19.1,23.9,27.2,29.1,25,19,15.4,9.3
1991,5.8,5.9,10.8,16.6,18.9,23.7,27.3,26.9,25.3,18.4,13.9,9.9
1992,7.5,6.8,10.8,16.5,18.9,22.1,26.5,26.9,24.4,18.9,13.8,9.6
1993,6.7,8.1,9.1,15.2,19.3,22.3,24,25.8,22.9,17.9,14.5,8.7
1994,6.4,6.5,8.8,17.1,21.1,23.7,29.3,29.5,26.1,20.5,15,9.5
1995,5.9,6.6,10.3,15.1,19.4,21.7,26.8,30.1,24.2,20.2,12.6,7.3
1996,6.1,5.6,9.4,13.7,19.6,22.7,27.1,27.4,23.2,18.9,14,9.6
1997,6,6.7,11,16.1,20,23.2,26,27.7,24.2,18.8,14.8,9.2
1998,5.7,8.6,11.6,18,21.2,23.1,27.3,28.9,25.1,20.5,14.5,10.3
1999,6.4,6.7,11.1,15.6,20.9,23.2,26.2,28,26.4,20.4,14.6,8.8
2000,7.3,5,10.2,15.5,20.6,22.7,28,28.9,25.4,19.3,14.8,9
2001,4.8,7.2,10.4,16.8,20.2,23.5,28.8,28,24.1,19.9,13.8,8.2
2002,6.9,7.6,12.6,17.2,20.3,23.4,28,28.5,25,19.1,11.3,8.1
2003,5.3,7.5,9.2,16.4,19.9,23.2,24.5,27.4,25.5,18.6,15.4,9.1
2004,5.8,8.9,10.9,18,21.3,24.4,28.9,27.5,25.9,19.1,15.6,10.6
2005,5.9,6.4,9.7,17.1,20,24.2,26.5,27.8,25.4,19.6,14.2,5.3
2006,5.3,7.2,9.2,14.3,19.6,23.6,26.3,28.7,24.4,20.3,14.8,8.9
2007,7.4,9.6,11.2,15.8,20.5,23.3,25.1,29.2,26.6,19.7,13.7,9.3
2008,5.8,5.3,11.4,16.3,20.2,22.8,27.9,27.7,24.5,19.7,13.5,9.8
2009,6.3,8.8,10.6,16.6,20,23.7,26.3,27.3,24.7,19.4,13.9,8.8
