2008-03-31   30.110
2008-04-29   28.220
2009-11-06   24.300
2010-02-11   24.800
2010-04-01   27.670
2010-05-30   28.750
2010-12-08   30.140
2012-01-16   23.250
2012-04-20   28.260
2013-01-03   29.740
2013-03-13   28.400
2013-06-16   29.950
2014-04-12   34.380
2014-04-24   31.250
2015-01-14   28.910
2015-11-30   28.850
2017-02-10   23.230