Year	% of cohort
1994	84.432502746582
1995	85.7273330688477
1996	86.4957504272461
1997	86.6316604614258
1998	86.1271133422852
1999	86.4386672973633
2000	87.4632110595703
2001	87.9441833496094
2002	88.4204025268555
2003	88.3315734863281
2004	88.2695617675781
2005	87.9064788818359
2006	87.7941513061523
2007	87.7447814941406
2008	89.1504516601562
2009	90.2527236938477
2010	90.4912414550781
2011	90.9125137329102
2012	89.8478927612305
2013	89.5344696044922
2014	91.2359771728516
2015	92.753547668457
2016	94.1667404174805
2017	94.8819732666016
2018	95.1880035400391
2019	95.3172836303711
2020	95.2011413574219
2021	95.1704711914062