2009-01-11   4.850
2009-10-09   4.100
2009-11-07   4.050
2009-11-21   4.200
2009-12-06   4.570
2010-02-11   3.380
2010-09-30   4.670
2010-12-08   4.770
2012-01-15   3.430
2012-08-26   3.920
2012-09-21   3.820
2013-01-03   4.910