Var1	Freq
hsa-let-7i	1281
hsa-let-7g	1274
hsa-let-7d	1268
hsa-let-7b	1254
hsa-let-7e	1239
hsa-let-7c	1231
hsa-let-7a-1	0
hsa-let-7a-2	0
hsa-let-7a-3	0
hsa-let-7f-1	0