Year	% of cohort
1994	85.5478897094727
1995	87.0911407470703
1996	87.8925170898438
1997	88.1940307617188
1998	88.0689468383789
1999	88.3913879394531
2000	89.017448425293
2001	89.5952911376953
2002	89.4665908813477
2003	88.9134063720703
2004	88.479621887207
2005	88.4974212646484
2006	88.956657409668
2007	89.3689422607422
2008	90.7830429077148
2009	92.06298828125
2010	92.1486968994141
2011	92.3752593994141
2012	91.1775588989258
2013	91.3488311767578
2014	92.5901718139648
2015	93.98486328125
2016	95.2822036743164
2017	95.9879302978516
2018	96.2078628540039
2019	96.3352279663086
2020	96.3029479980469
2021	96.27880859375
