2008-03-31   0.780
2008-04-29   0.820
2008-12-20   0.800
2009-01-09   0.780
2009-05-06   0.900
2009-07-11   0.810
2009-08-02   0.850
2009-09-13   0.830
2009-10-08   0.810
2009-11-07   0.810
2009-12-06   0.800
2010-02-11   0.840
2010-11-10   0.790
2010-12-08   0.790
2012-01-13   0.820
2012-01-15   0.750
2012-01-16   0.790
2012-11-18   0.800
2013-01-03   0.790
2013-01-29   0.780
2013-03-13   0.800
2013-06-16   0.800
2013-11-14   0.790
2014-04-08   0.800
2014-04-21   0.800
2014-06-23   0.800
2014-08-22   0.810
2015-01-02   0.810
2015-11-30   0.800
2016-02-10   0.790
2016-09-25   0.800
2017-02-10   0.900
2017-02-15   0.810