2008-08-21 4.210 2008-10-16 4.600 2008-12-10 4.370 2009-01-25 4.660 2009-11-06 3.940 2009-11-20 4.460 2010-12-14 3.230 2011-05-31 3.210 2014-08-22 4.290 2014-12-30 4.080