2008-12-20 4.680 2009-01-10 5.700 2009-08-02 4.860 2009-09-13 5.270 2009-10-08 5.040 2009-11-07 4.780 2009-11-21 5.650 2009-12-06 7.530 2010-09-30 5.310 2010-12-08 5.980 2011-11-16 4.420 2012-01-15 5.040 2012-08-26 4.970 2012-11-18 5.670 2013-01-03 5.850 2013-01-05 5.490