2008-03-31   15.990
2008-04-28   17.510
2009-04-21   15.120
2009-05-06   12.590
2010-04-01   18.820
2010-09-30   19.590
2011-03-26   12.290
2013-03-13   21.340
2014-03-17   20.980
2014-05-28   20.540
2014-09-22   20.530
2015-06-25   19.640
2015-07-25   18.360
2017-02-13   17.080
2017-05-20   15.010