The yield rate, which measures the number of students who accept their offers of admission, for the Class of 2020 was 66 percent, up from 61 percent last year and marking a 30 point increase from the yield rate for the Class of 2013.
https://www.chicagomaroon.com/2016/05/31/university-admits-record-low-7-9-percent-to-class-of-2020/