Year	% of cohort
1983	46.347728729248
1991	68.3183135986328
1992	58.8690910339355
1993	58.0553817749023
1994	48.3527984619141
1995	61.0383415222168
1996	57.9536590576172
1997	49.7109298706055
2005	84.7239303588867
2007	78.7538681030273
2008	74.8677978515625
2009	83.8343734741211
2010	78.3218994140625
2011	73.0176620483398
2012	72.6345520019531
2013	76.6877288818359
2015	84.4488906860352
2016	84.6495513916016
2019	79.4684906005859
2020	76.2038497924805
2021	90.1558990478516