sororities that party the hardest?

Rank sororities in terms of partying? (not related to their "ranking" or whatever)
Tridelt/Pi Phi still definitely at the top. Large groups of them wherever you go out and they always just throw down and really let loose. Mixers with these two also definitely the most fun.
Next: Theta
Kappa/A Phi (all obviously party a lot but kappa seems more exclusive and theta/aphi don't just have that huge presence wherever they go, not large crowds of them just throwing down and going insane)
Next: Gphi (a good amount that go out but also a good amount that don't)
Next: DG (see above)
Next: Zeta/KD (see above, to a lesser extent)
Next: DZ (I guess they go out, but haven't met many that just go very hard)
Finally: Achio/Chio (very small presence, even if they do go out they don't make it known as much)