Some images worth learning from are posted here (Note: Most of them are plagiarised. But, sources are referenced)
Pulmonary valve sinus origin - ~4 %
LVOT origin - 15-25 %
Aortic valve sinus origin - ? %
Ref: Anderson RD, et al. Circulation: Arrhythmia and Electrophysiology. 2019;12:e007392. DOI: 10.1161/CIRCEP.119.007392.
