2008-08-21   32.380
2008-10-16   33.570
2008-12-08   32.590
2008-12-10   33.240
2009-01-24   32.820
2010-02-17   32.570
2010-04-01   34.110
2010-12-14   33.250
2011-11-18   32.780
2012-01-11   33.460
2012-01-13   33.320