2009-01-11   -27.237
2009-10-09   -23.184
2009-11-07   -21.244
2009-11-21   -25.165
2009-12-06   -23.923
2010-02-11   -16.778
2010-12-08   -23.509
2012-01-15   -19.298
2012-08-26   -20.354
2012-09-21   -20.707
2013-01-03   -19.714