2008-06-12   20.031
2008-07-30   19.897
2009-05-06   19.906
2010-06-12   19.914
2011-03-27   19.959
2012-06-13   19.776
2013-07-19   19.806
2014-07-21   19.845
2014-09-23   19.797
2015-05-25   19.792