2008-12-20 5.661 2009-01-10 6.303 2009-07-11 5.758 2009-08-02 6.041 2009-09-13 5.877 2009-10-08 5.769 2009-11-07 6.065 2009-11-21 5.753 2009-12-06 6.416 2010-02-10 6.247 2010-09-30 5.877 2010-12-08 5.867 2011-11-16 5.989 2012-01-15 6.131 2012-08-26 6.185 2012-11-18 6.481 2013-01-03 6.312 2013-01-05 6.261