2008-12-20   5.710
2009-01-10   5.520
2009-07-11   5.240
2009-08-02   5.130
2009-09-13   5.820
2009-10-08   5.740
2009-11-07   5.370
2009-11-21   5.570
2009-12-06   5.630
2010-02-10   5.230
2010-09-30   5.860
2010-12-08   5.830
2011-11-16   4.260
2012-01-15   4.330
2012-08-26   5.500
2012-11-18   5.760
2013-01-03   5.530
2013-01-05   5.610