2008-12-08   8.290
2008-12-09   9.450
2008-12-10   9.500
2009-01-24   9.280
2009-05-20   9.020
2010-04-01   11.030
2010-06-11   9.550
2010-12-14   8.750
2012-04-05   7.280
2013-03-14   9.890
2013-11-14   9.680
2014-04-22   11.540
2014-04-23   10.400
2015-04-05   9.310
2015-04-15   9.050
2016-03-17   6.290
2017-02-10   8.150