2008-08-21   28.000
2008-10-16   25.090
2008-12-08   20.740
2008-12-10   28.430
2009-01-24   27.870
2010-02-17   29.490
2010-04-01   29.160
2010-12-14   26.470
2011-11-18   21.910
2012-01-11   19.440
2012-01-13   22.060