Year	% of cohort
1994	92.7120819091797
1995	81.9020919799805
1996	83.2538528442383
1999	90.0039367675781
2000	90.5699234008789
2002	89.7105026245117
2003	88.21533203125
2004	85.2165298461914
2005	84.7276763916016
2006	88.1882781982422
2010	76.5705871582031
2011	89.9505081176758
2014	90.6860961914062
2015	93.2599411010742
2016	86.8128890991211
2017	85.6053314208984
2018	93.3398284912109
2019	88.5782470703125