sampleName       entries      integral         error  error/integ.
          Zjet          1703       100.683       7.16776     0.0711915
          stop             1      0.333396      0.333396             1
         ttbar            53       2.03092      0.281945      0.138826
       Diboson           130       1.65084      0.281602      0.170581
          Wjet             0             0             0             0
         bkg:           1887       104.698
          Data            82            82