2008-04-28   4,561.310
2008-12-20   4,883.920
2009-01-09   4,988.960
2009-11-07   4,430.330
2009-12-06   4,595.450
2010-02-11   3,970.510
2011-11-03   3,751.530
2012-01-15   3,621.720