2008-04-01   3.637
2008-06-12   3.791
2008-07-30   3.662
2009-05-06   3.965
2009-07-18   4.023
2010-02-17   3.994
2010-06-12   3.768
2011-03-27   3.560
2012-06-14   3.750
2013-03-14   4.079
2013-07-19   3.922
2013-09-20   4.017
2014-03-20   3.834
2014-09-22   3.845
2015-06-25   4.027
2015-07-23   3.934
2016-03-19   3.918
2016-09-24   3.879
2017-03-10   4.016