2008-08-21   8.160
2008-10-16   8.860
2008-12-08   9.030
2008-12-10   8.560
2009-01-24   8.460
2010-02-17   8.810
2010-04-01   9.580
2010-12-14   9.330
2011-11-18   9.170
2012-01-11   8.920
2012-01-13   9.600