Experiment	Measurement	Reference
LHCb	\([0.080 \pm 0.012\mbox{ (stat)} \pm 0.009\mbox{ (syst)}]\)	Eur.Phys.J. C73 (2013) 2462
Average	\(\mathbf{[0.080 \pm 0.015\mbox{ (combined)}]}\)