2008-08-21   1.860
2008-10-16   2.060
2008-12-09   1.550
2008-12-10   1.950
2009-01-25   1.930
2009-11-06   2.030
2009-11-20   1.940
2010-03-31   1.770
2010-12-14   2.010
2011-11-17   1.960
2011-12-01   1.700
2012-01-12   1.620
2012-01-13   1.590
2012-04-18   1.620
2012-11-20   1.770
2013-01-29   1.860
2013-03-14   1.770
2013-11-14   1.780
2013-11-28   1.650
2014-03-17   2.250
2014-12-30   1.690
2014-12-31   1.750
2015-01-11   1.680
2015-12-01   1.660
2016-02-10   1.490
2017-02-10   1.150