2008-12-08   501.250
2008-12-09   496.350
2008-12-10   510.320
2009-01-27   487.130
2009-11-06   527.070
2010-03-31   498.910
2010-12-14   497.930
2011-05-31   490.700
2011-11-17   536.740
2012-01-12   505.110
2013-01-29   505.260
2013-02-23   478.300
2013-03-14   485.440
2013-11-28   486.750
2014-03-17   539.370
2014-04-21   486.870
2014-08-22   431.960
2014-09-23   434.910
2014-10-24   462.250
2014-12-30   455.470
2014-12-31   453.680
2015-01-11   448.380
2015-04-04   522.960
2015-04-14   494.870
2015-05-25   476.990
2015-12-01   487.570
2016-02-10   451.270
2016-09-24   464.480
2016-12-24   439.770
2017-02-15   476.380