2009-01-10   9.594
2009-10-09   9.331
2009-11-07   9.455
2009-12-06   9.365
2010-02-11   8.772
2010-03-23   9.839
2010-09-30   8.902
2010-12-08   9.366
2011-08-05   9.167
2012-01-15   9.440
2013-01-03   8.917
2013-01-05   8.725
2014-04-21   9.416
2014-08-22   9.311
2015-01-02   9.473
2016-09-25   9.105
2017-02-13   9.035