Experiment	Measurement	Reference
LHCb	\([3.17 \pm 0.04\mbox{ (stat)} \pm 0.07\mbox{ (syst)} \pm 0.03\mbox{ (norm)} ^{+0.45}_{-0.28}\mbox{ (fLb/fd)}] \times 10^{-4}\)	Chinese Physics C Vol. 40, No. 1 (2016) 011001
Average	\(\mathbf{[3.17 ^{+0.46}_{-0.29}\mbox{ (combined)}] \times 10^{-4}}\)