3 sets of data were taken , ~70k input events were processe

HV	run No	eve w/ nCl>6	# reo track in oct 3	ratio(reco/1Keve)
nominal	13105023	41k	141	3.4
+50 V	13108014	19k	141	7.4
+100 V	13108014	23k	218	9.5

Fig. 1, 70k events form run 13105023 , nominal HV

Fig. 2, 70k events form run 13108014 , nominal HV+50V, many events do not contain FGT data

Fig. 3 , 70k events form run 13108018 , nominal HV+100V, many events do not contain FGT data