2009-10-08 7.880 2009-11-07 7.130 2009-11-21 7.080 2010-02-11 7.480 2010-09-30 9.800 2010-12-08 8.660 2012-01-16 5.970 2012-09-21 7.630 2013-09-20 7.880 2013-11-14 7.970