2008-08-21   4.820
2008-10-16   4.840
2008-12-10   4.730
2009-01-25   4.710
2009-11-06   4.730
2009-11-20   4.580
2010-12-14   4.660
2011-05-31   4.850
2014-08-22   4.710
2014-12-29   4.760