2008-04-29 5.240 2008-06-13 5.200 2009-11-07 5.090 2010-04-01 5.190 2010-06-01 4.970 2010-09-30 5.190 2011-03-26 5.210 2011-10-09 5.260 2012-09-21 5.190 2014-03-20 5.210 2014-05-28 5.290 2014-07-22 5.370 2014-09-22 5.270 2015-06-25 5.300 2015-07-25 5.210 2015-08-24 5.270 2016-07-23 5.250