Stochastic reference points
Reference point	estimate	cilow	ciupp	est.in.log
Bmsys	4395.9347	2182.0061	8856.1815	8.3884
Fmsys	0.5365	0.3262	0.8824	-0.6227
MSYs	2358.5057	1637.2459	3397.5036	7.7658