Yes, and I would say most people only grab the edge maybe 2-3 times a stock.
I think that's a little bit of an understatement.
Well.... upon looking at a few CoT4 vids, I kinda stand by that. I think it really depends on characters and stages, quite a lot. However, I still don't think the average would be that low, granted it probably wouldn't be over 15ish max. This first video, Ally (Snake) vs Chu Dat (Kirby), I was surprised upon watching. I believe Chu only grabbed the ledge 2-3 times in his first life, and Ally might have not grabbed the ledge even once in his first stock.
http://www.youtube.com/watch?v=50AMsJzkhy0
Of course, it is Delfino plaza, where a third of the time, there really are no ledges. Compared to the next stage, battlefield.... Anther vs Spammer, an MK v Pika match. D:. Now that's obviously going to have a bit more grabs per stock, on average. I'm pretty sure I counted eight in pika's first stock. By the way, that was some sick playing on pika's part, I thoroughly enjoyed seeing MK get his *** kicked by a low tier.
http://www.youtube.com/watch?v=Eg7h0ZIluLs
Then again, it's MK... and pika.... but that only proves my point, that the average is probably a bit more than 2-3 times per stock for most players. Then again, I originally thought it would be much higher, like you said earlier in this thread. Anyways, I think it's still largely character and stage dependent, like many people said, stages like Brinstar, characters like R.O.B., they all can make the edge grabs vary quite a lot. Snap, I probably didn't need to make such a long post about such a simple concept.... =/. Especially considering it doesn't even
directly relate to the thread's topic. >.V