2008-04-28   1,227.700
2008-12-20   1,028.520
2009-01-09   878.150
2009-07-11   751.170
2009-10-09   241.580
2009-11-07   484.300
2009-12-06   1,055.360
2010-02-11   765.240
2011-11-03   915.920
2012-01-15   788.390