This is literally mind boggling:
For the 2009–10 academic year, annual prices for undergraduate tuition, room, and board were estimated to be $12,804 at public institutions and $32,184 at private institutions.
Between 1999–2000 and 2009–10, prices for undergraduate tuition, room, and board at public institutions rose 37 percent, and prices at private institutions rose 25 percent, after adjustment for inflation.
[take a look at the chart here]