raw statistics						log likelihood ratios
non-reference name	# nt used	divergence (mean muts per nt)	MLOGD ln(LR) per nt	frac syn muts	frac nonsyn muts	frac N1 muts	frac N2 muts	frac N3 muts	MLOGD ln(LR)	syn ln(LR)	nonsyn ln(LR)	N1 ln(LR)	N2 ln(LR)	N3 ln(LR)