8) How many are left of this "invited" group? Nobody knows. The number is unimportant.
I've been saying for a while that they're going to discontinue reporting (and possibly counting) the memorial partakers in the near future. Maybe they're working up to doing this. The rising number of partakers (even after they remove from the count any worldly people or people the elders don't approve of) is embarrassing for a couple reasons - they can't possibly let it continue.