2008-08-21   6.494
2008-10-16   6.560
2008-12-09   6.622
2008-12-10   6.588
2009-01-25   6.555
2009-11-06   6.593
2009-11-20   6.589
2010-03-31   6.545
2010-12-14   6.575
2011-11-17   6.480
2011-12-01   6.455
2012-01-12   6.471
2012-01-13   6.438
2012-04-18   6.424
2012-11-20   6.438
2013-01-29   6.431
2013-03-14   6.458
2013-11-14   6.447
2013-11-28   6.456
2014-03-17   6.434
2014-12-30   6.417
2014-12-31   6.451
2015-01-11   6.440
2015-12-01   6.444
2016-02-10   6.425
2017-02-10   6.453