Year	% of cohort
1994	85.6024398803711
1995	87.1555786132812
1996	87.9666366577148
1997	88.2617034912109
1998	88.1291427612305
1999	88.4512710571289
2000	89.0688018798828
2001	89.6306762695312
2002	89.4998626708984
2003	88.9438323974609
2004	88.4992523193359
2005	88.5182037353516
2006	88.9816818237305
2007	89.3876113891602
2008	90.8114929199219
2009	92.0984725952148
2010	92.173210144043
2011	92.3971710205078
2012	91.186149597168
2013	91.3595886230469
2014	92.6049728393555
2015	94.0032501220703
2016	95.3046875
2017	96.0027770996094
2018	96.2221374511719
2019	96.3447189331055
2020	96.3190689086914
2021	96.3004531860352