2008-12-10   33.370
2009-01-25   34.430
2009-11-06   30.980
2009-11-20   35.700
2010-03-31   28.300
2010-12-14   30.270
2012-01-11   19.800
2012-11-20   29.260
2013-02-17   30.020
2013-03-06   29.400
2013-03-14   33.210
2013-11-28   29.640
2014-12-31   33.060
2015-01-11   32.260
2015-12-01   26.940
2016-02-10   28.130
2017-02-13   28.790