2008-12-08   8.330
2008-12-10   8.830
2009-01-27   8.620
2009-11-06   8.710
2010-03-31   8.190
2010-12-14   8.770
2011-05-31   8.500
2011-11-17   8.840
2012-01-12   8.890
2013-01-29   8.970
2013-02-23   8.880
2013-11-28   9.000
2014-03-17   8.880
2014-04-21   8.730
2014-08-22   9.010
2014-09-23   8.760
2014-10-24   8.930
2014-12-30   8.690
2014-12-31   8.720
2015-01-11   8.900
2015-04-04   8.700
2015-04-14   8.860
2015-05-25   8.550
2015-12-01   8.730
2016-02-10   9.310
2016-09-24   8.310
2016-12-24   8.900
2017-02-15   8.680