2009-01-10   5.010
2009-10-09   4.410
2009-11-07   4.530
2009-12-06   4.790
2010-02-11   5.220
2010-09-30   5.350
2010-12-08   5.370
2011-08-05   4.800
2012-01-15   4.730
2013-01-03   6.220
2013-01-05   5.590
2014-04-21   6.440
2014-08-22   5.540
2015-01-02   4.980
2016-09-25   4.890
2017-02-13   4.240