I swear to god, the search button should take up the whole screen on some people's computer screen. We beat this to death, brought it to life, and beat it to death again after the TX match. 🙄
In answer to your question, its historically been 5-15 spots at each of the schools. I know Southwestern's waitlist is 120 people (cause I'm on it), but they only accept people from very the top. Each school has waitlists ranging probably from 20-100 candidates, but only a handful will get in from the list.