Here's the numbers based on this list:
https://fp.auburn.edu/greek/aunm11lst.htm
Alpha Chi Omega - 62
Alpha Delta Pi - 63
Alpha Gamma Delta - 62
Alpha Omircon Pi - 62
Alpha Xi Delta - 68
Chi Omega - 62
Delta Delta Delta - 64
Delta Gamma - 64
Delta Zeta - 66
Gamma Phi Beta - 67
Kappa Alpha Theta - 96
Kappa Delta - 64
Kappa Kappa Gamma - 67
Phi Mu - 62
Pi Beta Phi - 62
Sigma Kappa - 68
Zeta Tau Alpha - 64
(Disclaimer: I have no ties to Aurburn, so I apologize if anything is wrong. This is is compiled based on the link above. As mentioned in a previous post, I the CRTL + F feature to search by sorority and on Google Chrome it tells you how many instances of the words you are searching for are on the page you are looking at. Very handy!)