Year	% of cohort
1994	87.9655685424805
1995	89.6562423706055
1996	90.7042617797852
1997	90.6975708007812
1998	90.7572021484375
1999	90.9655227661133
2000	91.3193435668945
2001	92.3582382202148
2002	92.4305877685547
2003	92.0078811645508
2004	92.383430480957
2005	92.6137084960938
2006	93.0434265136719
2007	93.1811828613281
2008	93.3949203491211
2009	93.8666381835938
2010	94.0650024414062
2011	94.5162582397461
2012	93.9929885864258
2013	94.5974807739258
2014	95.0015869140625
2015	95.2814331054688
2016	95.5009307861328
2017	95.7958221435547
2018	96.0233993530273
2019	96.175651550293
2020	96.056999206543
2021	96.2531967163086