2008-12-08   8.458
2008-12-10   8.390
2009-01-27   8.667
2009-11-06   8.510
2010-03-31   8.442
2010-12-14   8.540
2011-05-31   8.229
2011-11-17   8.492
2012-01-12   8.416
2013-01-29   8.378
2013-02-23   8.470
2013-11-28   8.334
2014-03-17   8.381
2014-04-21   8.432
2014-08-22   8.293
2014-09-23   8.227
2014-10-24   8.235
2014-12-30   8.327
2014-12-31   8.288
2015-01-11   8.441
2015-04-04   8.293
2015-04-14   8.365
2015-05-25   8.516
2015-12-01   8.227
2016-02-10   8.282
2016-09-24   8.374
2016-12-24   8.406
2017-02-15   8.256