I have 22 blocked. Some for inappropriate messages or pics, some for racist comments and a couple who can't debate without being abusive (I don't block someone simply for disagreeing with me, if they can do it without calling names). I don't like blocking people, but if I don't have to deal with idiots, I won't.
I have no one on the block list no one has bothered me yet so no need to block.
None, I changed my profile and used a different persona second time around....
16 and for good reason.
I only ever blocked those who had blocked me first. But 1 of those unblocked me, so I returned the favour and extended it to the others, so long way of saying none.
None. I just remove. Nobody has given me any reason to block them, yet.
One so far (hopefully that will be all that I have)