How many times did Agnes Moorehead perform "Sorry Wrong Number"?

(and more about this legendary Suspense episode)

SWN is the performance that brought Suspense a tremendous amount of attention, its 1943 broadcast helping it leap into consideration as a  top dramatic golden age series. The script by Louise Fletcher became closely associated with its star, Agnes Moorehead. Already a highly regarded actor, the performance raised her visibility yet higher. How many times did she appear in the role? As best as can be counted, 13 different times.