Experiment	Measurement	Reference
CDF	\([16.5 \pm 2.3\mbox{ (stat)} \pm 0.6\mbox{ (syst)} \pm 0.5\mbox{ (PDG)} \pm 0.8\mbox{ (EBR)}] \times 10^{0}\)	PRD 79, 032001 (2009)
Average	\(\mathbf{[16.5 \pm 2.6\mbox{ (combined)}] \times 10^{0}}\)