2009-01-10   7.370
2009-10-09   7.370
2009-11-07   8.720
2009-12-06   8.780
2010-02-11   6.870
2010-03-23   6.620
2010-09-30   9.720
2010-12-08   9.610
2011-08-05   6.470
2012-01-15   6.740
2013-01-03   9.810
2013-01-05   9.500
2014-04-21   10.530
2014-08-22   7.600
2015-01-02   8.600
2016-09-25   8.390
2017-02-13   7.550