2009-01-11   4.080
2009-10-09   3.840
2009-11-07   3.880
2009-11-21   3.940
2009-12-06   4.100
2010-02-11   3.430
2010-09-30   4.310
2010-12-08   4.330
2012-01-15   3.090
2012-08-26   3.850
2012-09-21   4.170
2013-01-03   4.250