Experiment	Measurement	Reference
Belle	\([11.9 ^{+6.1}_{-4.9}\mbox{ (stat)} \pm 3.6\mbox{ (syst)}] \times 10^{-4}\)	PRL 91,262002 (2003)
BaBar	\([2.7 \pm 0.7\mbox{ (stat)} \pm 0.5\mbox{ (syst)} ^{+0.9}_{-0.6}\mbox{ (correlated systematic)}] \times 10^{-3}\)	PRL 93,181801 (2004)
Average	\(\mathbf{[15.6 \pm 5.7\mbox{ (combined)}] \times 10^{-4}}\)