2008-12-10   41.210
2009-01-25   39.600
2009-11-06   38.240
2009-11-20   39.580
2010-02-17   40.900
2010-03-31   38.760
2010-12-14   41.460
2012-01-11   34.980
2012-11-20   38.390
2013-02-16   38.170
2013-03-06   36.110
2013-03-14   35.380
2013-11-28   33.070
2014-12-31   39.670
2015-01-11   38.210
2015-12-01   39.660
2016-02-10   35.260
2017-02-13   36.000