2008-12-20   1.150
2009-01-10   1.160
2009-08-02   1.140
2009-09-13   0.960
2009-10-08   1.240
2009-11-07   1.250
2009-11-21   1.160
2009-12-06   1.250
2010-02-10   1.320
2010-09-30   1.230
2010-12-08   1.130
2011-11-16   1.200
2012-01-15   1.200
2012-08-26   1.180
2012-11-18   1.160
2013-01-03   1.090
2013-01-05   1.220