2008-08-21   4.700
2008-10-16   4.670
2008-12-10   4.770
2009-01-25   4.730
2009-11-06   4.700
2009-11-20   4.740
2010-12-14   4.670
2011-05-31   4.660
2014-08-22   4.790
2014-12-29   4.670