Year	% of cohort
1988	79.9375359744114
1989	80.61454849933573
1990	84.52811876918501
1991	85.73156838651873
1992	87.4172721969229
1993	87.43640932542802
1994	89.51233422875318
1995	91.11959382681083
2019	99.33535902944814
2020	99.28793758314016