Year	% of cohort
1994	85.1059875488281
1995	86.2512893676758
1996	86.9104309082031
1997	87.122200012207
1998	86.8010406494141
1999	87.0994110107422
2000	88.0438003540039
2001	88.4822311401367
2002	88.9331817626953
2003	88.8563766479492
2004	88.8172225952148
2005	88.4829711914062
2006	88.3487701416016
2007	88.2936935424805
2008	89.6069183349609
2009	90.637336730957
2010	90.8411102294922
2011	91.2237777709961
2012	90.2426986694336
2013	89.9614791870117
2014	91.5332870483398
2015	92.8919219970703
2016	94.1899032592773
2017	94.8034286499023
2018	95.1886215209961
2019	95.3494262695312
2020	95.2235336303711
2021	95.1811294555664
