77974023	0	total (QC-passed reads + QC-failed reads)
74396844	0	primary
0	0	secondary
3577179	0	supplementary
15431419	0	duplicates
15431419	0	primary duplicates
76870294	0	mapped
98.58%	N/A	mapped %
73293115	0	primary mapped
98.52%	N/A	primary mapped %
74396844	0	paired in sequencing
37198422	0	read1
37198422	0	read2
63900274	0	properly paired
85.89%	N/A	properly paired %
72804206	0	with itself and mate mapped
488909	0	singletons
0.66%	N/A	singletons %
7089924	0	with mate mapped to a different chr
2587332	0	with mate mapped to a different chr (mapQ>=5)