2009-01-11   -15.666
2009-10-09   -46.795
2009-11-07   -21.626
2009-12-06   -20.700
2010-02-11   -26.087
2010-09-30   -29.723
2010-12-08   -26.344
2012-01-15   -24.620
2012-08-26   -26.430
2012-09-21   -14.071
2013-01-03   -21.983