2008-12-20   0.980
2009-01-10   1.050
2009-08-02   1.060
2009-09-13   1.030
2009-10-08   1.010
2009-11-07   0.980
2009-11-21   1.090
2009-12-06   1.040
2010-09-30   1.040
2010-12-08   1.380
2011-11-16   1.010
2012-01-15   1.150
2012-08-26   1.140
2012-11-18   1.060
2013-01-03   1.020
2013-01-05   1.060