2008-03-31   4.084
2008-04-28   4.248
2009-05-06   4.368
2010-04-01   4.156
2010-09-30   4.084
2011-03-26   4.004
2013-03-13   4.275
2014-03-17   4.231
2014-05-28   4.080
2014-09-22   4.247
2015-06-25   4.113
2015-07-25   4.079
2017-02-13   4.245
2017-05-20   4.188