2008-12-20 4.480 2009-01-10 5.110 2009-08-02 4.330 2009-09-13 4.820 2009-10-08 4.690 2009-11-07 4.580 2009-11-21 4.870 2009-12-06 6.830 2010-09-30 4.780 2010-12-08 4.080 2011-11-16 4.100 2012-01-15 4.100 2012-08-26 4.080 2012-11-18 5.050 2013-01-03 5.400 2013-01-05 4.860