The 2 critical stats that you won't find on that site:
Blown calls -- Missed (swallowed whistle)
Blown calls -- Called (whistled in error)
Now those are stats I'd love to see.
Unfortunately that would involve someone developing a valid coding scheme for what constitutes a terrible, bad, or questionable call, then going through every game, much of it frame-by-frame, to apply it. It would take a small army of socially withdrawn and severely OCD volunteers to put something like that together.