2009-01-11   18.830
2009-10-08   18.260
2009-11-07   18.030
2010-02-10   18.590
2010-09-29   16.920
2010-12-08   18.670
2011-05-18   17.390
2011-08-04   18.340
2012-01-15   18.790
2012-08-26   18.080
2012-09-21   17.890
2012-11-18   18.220
2013-01-03   18.410
2013-01-05   18.440
2013-11-14   18.790
2013-11-29   18.280
2014-03-16   18.750
2014-04-21   18.170
2014-08-22   18.770
2015-01-02   18.800
2015-11-30   18.650
2016-02-10   18.010
2016-09-25   17.350
2017-02-10   19.300