2008-04-29   31.080
2009-11-06   26.870
2010-02-11   27.060
2010-04-01   31.220
2010-05-30   31.200
2010-12-08   32.600
2012-01-16   26.320
2013-01-03   35.130
2013-03-13   27.850
2013-06-16   33.800
2014-04-12   34.330
2014-04-24   28.910
2015-01-14   31.430
2015-11-30   31.750
2017-02-10   26.460