2008-03-31   4.103
2008-04-28   4.248
2009-04-21   4.369
2009-05-06   4.418
2010-04-01   4.267
2010-09-30   4.212
2011-03-26   4.059
2013-03-13   4.245
2014-03-17   4.189
2014-09-22   4.104
2015-06-25   4.199
2015-07-25   4.122
2017-02-13   4.192
2017-05-20   4.331