2008-06-12   19.014
2008-07-30   18.759
2009-05-06   18.660
2010-06-12   18.593
2011-03-27   18.621
2012-06-13   18.640
2013-07-19   18.769
2014-07-21   18.832
2014-09-23   18.741
2015-05-25   18.710