2008-04-29 51.527 2008-06-13 51.581 2009-11-07 51.362 2010-04-01 51.365 2010-06-01 51.486 2010-09-30 51.737 2011-03-26 51.215 2011-10-09 51.606 2012-09-21 51.629 2014-03-20 51.348 2014-05-28 51.535 2014-07-22 51.569 2014-09-22 51.574 2015-06-25 51.392 2015-07-25 51.451 2016-07-23 51.389