2008-12-20   1.390
2009-01-10   1.400
2009-08-02   1.310
2009-09-13   1.610
2009-10-08   1.380
2009-11-07   1.270
2009-11-21   1.380
2009-12-06   1.280
2010-02-10   1.120
2010-09-30   1.600
2010-12-08   1.550
2011-11-16   1.190
2012-01-15   1.150
2012-08-26   1.400
2012-11-18   1.460
2013-01-03   1.460
2013-01-05   1.450