2008-06-12   5.010
2008-07-30   4.970
2008-10-16   5.040
2009-05-06   4.880
2010-06-12   4.980
2011-04-06   4.890
2012-06-14   4.900
2013-07-19   4.920
2014-03-20   4.920
2014-07-22   4.900
2014-09-23   4.930
2015-05-25   4.960
2015-06-26   4.860
2015-07-24   4.870
2015-08-22   4.940
2015-11-27   4.930
2016-03-19   4.850
2016-09-24   4.900