2008-12-10   34.670
2009-01-25   33.760
2009-11-06   33.180
2009-11-20   35.870
2010-03-31   28.450
2010-12-14   31.910
2012-01-11   23.510
2012-11-20   33.030
2013-02-17   33.640
2013-03-06   30.660
2013-03-14   33.170
2013-11-28   30.570
2014-12-31   30.600
2015-01-11   30.260
2015-12-01   32.770
2016-02-10   30.720
2017-02-13   30.930