sampleName       entries      integral         error  error/integ.
          Zjet          2861       103.613       4.03691     0.0389615
          stop             1      0.399478      0.399478             1
         ttbar            20      0.772301      0.174371      0.225781
       Diboson           169       2.77975      0.406845       0.14636
          Wjet             1     0.0120386     0.0120386             1
         bkg:           3052       107.577
          Data            78            78