2009-10-08   1.780
2009-11-07   1.670
2009-11-21   1.540
2010-02-11   1.380
2010-09-30   1.680
2010-12-08   1.490
2012-01-16   1.180
2012-09-21   1.630
2013-09-20   1.860
2013-11-14   1.920