2008-12-10   42.690
2009-01-25   40.540
2009-11-06   39.230
2009-11-20   46.640
2010-02-17   43.320
2010-03-31   40.830
2010-12-14   41.110
2012-01-11   34.860
2012-11-20   41.280
2013-02-17   40.810
2013-03-06   38.900
2013-03-14   39.280
2013-11-28   37.630
2014-12-31   39.570
2015-01-11   38.000
2015-12-01   36.200
2016-02-10   35.640
2017-02-13   37.060