2008-06-12   35.050
2008-07-30   33.870
2009-05-06   33.810
2010-06-12   32.500
2011-03-27   21.700
2012-06-13   25.940
2013-07-19   27.310
2014-07-21   25.400
2014-09-23   28.130
2015-05-25   30.970