2008-03-31   42.680
2008-04-28   42.720
2009-04-21   38.110
2009-05-06   33.290
2010-04-01   45.250
2010-09-30   47.700
2011-03-26   30.230
2013-03-13   42.480
2014-03-17   51.040
2014-09-22   39.240
2015-06-25   39.960
2015-07-25   37.550
2017-02-13   36.830
2017-05-20   34.770