Lost count a long time ago. There are 4 or 5 on my work table alone and at least 4 on the table in the hall with another 7 or 8 in the stash room waiting for batting & backing & me wanting to actually quilt them. So that's 17 with an unknown quantity in the closet in the stash room.
Does that help your cause? I have so many because I never know what I'll be in the mood to work on at any given time. I am a bit ADD & OCD too boot.