2009-01-25   28.870
2009-11-06   28.750
2009-11-20   33.640
2010-03-31   29.240
2010-12-14   26.820
2012-01-13   27.050
2013-11-28   28.870
2014-08-22   29.640
2014-12-31   29.560
2015-12-01   27.730
2017-02-13   28.940