I can tell you for AP Calculus and AP Psychology in 2014 I scored 4 on both. I actually would've done better on Psychology but our teacher didn't want to talk about the sexual stuff in psych so the several questions asking about it had us confused. During my AP Calculus it was pouring rain and the roof started leaking. Good thing I wasn't near the leaks. Though when i finished i felt more confident on my Psych than Calculus.