No scientific data here, but it sounds to me that 82% is pretty damn good. You'll never reach 100% because there'll always be folks who sign up and then simply

No scientific data here, but it sounds to me that 82% is pretty damn good. You'll never reach 100% because there'll always be folks who sign up and then simply don't follow thru. I know I'm guilty of that. It's like handing out Broadway show flyers... just because I take one doesn't mean I'm going to actually buy tickets to see the show.