Also found this on another thread:
Class data for 2013-2019 is as follows:
2013-14: 162 first year, inaugural class.
2014-15: 316 total enrollment, 163 first year, 0 graduates. (162+162) = 325 expected enrollment, 9 attrition. 9/325 = 2.8% attrition rate.
2015-16: 460 total enrollment, 175 first year, 0 graduates. (316+175) = 491 expected enrollment, 31 attrition. 31/491 = 6.3% attrition rate.
2016-17: 605 total enrollment, 168 first year, 126 graduates. (460+168) = 628 expected enrollment, 23 attrition. 23/628 = 3.7% attrition rate.
2017-18: 639 total enrollment, 173 first year, 144 graduates. (605+173-126) = 652 expected enrollment, 13 attrition. 13/652 = 2.0% attrition rate.
2018-19: 651 total enrollment, 173 first year, 162 graduates. (651+173-162) = 662 expected enrollment, 11 attrition. 11/662 = 1.7% attrition rate.
Average yearly attrition rate = 3.3%