Experiment	Measurement	Reference
LHCb	\([2.90 \pm 0.57\mbox{ (stat)} \pm 0.24\mbox{ (syst)}]\)	PRD 87, 11( 2013) 112012
ATLAS	\([3.8 \pm 1.1\mbox{ (stat)} \pm 0.4\mbox{ (syst)} \pm 0.2\mbox{ (BR(D_s^+ to phi pi^+))}]\)	CERN-PH-EP-2015-163
Average	\(\mathbf{[3.09 \pm 0.55\mbox{ (combined)}] \times 10^{0}}\)