2008-12-10   9.203
2009-01-25   9.518
2009-11-06   10.976
2009-11-20   9.650
2010-02-17   8.656
2010-03-31   9.079
2010-12-14   9.792
2012-01-11   8.898
2012-11-20   8.940
2013-02-16   9.747
2013-03-06   8.552
2013-03-14   8.946
2013-11-28   8.994
2014-12-31   9.064
2015-01-11   9.895
2015-12-01   9.262
2016-02-10   8.726
2017-02-13   9.351