2008-04-29   1,232.460
2008-12-20   1,047.970
2009-01-09   1,145.480
2009-07-11   1,037.360
2009-10-09   714.700
2009-11-07   840.930
2009-12-06   1,214.330
2010-02-11   1,128.610
2011-11-03   962.770
2012-01-15   970.270