Experiment	Measurement	Reference
LHCb	\([9.8 ^{+3.4}_{-3.0}\mbox{ (stat)} \pm 0.8\mbox{ (syst)}] \times 10^{-6}\)	PRD94 091102 (2016)
Average	\(\mathbf{[9.8 ^{+3.5}_{-3.1}\mbox{ (combined)}] \times 10^{-6}}\)