I can't say. Even if most were, your own kids might not be. Even if most weren't, your own kids might be.
If what you do is better than school, for your kids, keep doing that. If school would be better than what you're doing, for your kids, in their real lives, then do that.
If you're going to unschool, do it wholeheartedly and happily.
(That page can help people see what they can do to be good unschoolers; the quote was from e-mail.)
photo by Doozy Dodd