[The kid was taking the information as if it were something relatively normal and interesting, not with the shock or panic that many new feathers displayed. It was refreshing to see, and Lupin finds that he doesn't mind going through the litany for Yoh. Comforting a panicked person was not his specialty.]

...I'd say there's a few hundred of us, but the numbers vary because people come en masse like right now, or they're sent home at scattered times. Just because we're stuck here doesn't mean it's not possible to go home, but so far no one's figured out a way to do so of their own accord. We're sent home as suddenly as we're brought here.

Which means....there's probably been close to a thousand individuals that have been through here as far as the journals go back, though never more than a few hundred at any given time. Some people have been here for several years too.