Year	% of cohort
1994	84.474967956543
1995	85.7797698974609
1996	86.557731628418
1997	86.6885375976562
1998	86.1872100830078
1999	86.4923782348633
2000	87.5092620849609
2001	87.9767074584961
2002	88.4592895507812
2003	88.3719100952148
2004	88.305419921875
2005	87.9419708251953
2006	87.8276214599609
2007	87.7732620239258
2008	89.1841583251953
2009	90.2933502197266
2010	90.516487121582
2011	90.9399795532227
2012	89.8715896606445
2013	89.5726699829102
2014	91.266227722168
2015	92.7820281982422
2016	94.1976776123047
2017	94.9110717773438
2018	95.2174530029297
2019	95.344970703125
2020	95.2338790893555
2021	95.2084274291992