Year	% of cohort
1990	63.1803588867188
1998	67.4772720336914
1999	58.5663299560547
2001	76.1392822265625
2002	75.338493347168
2003	74.9812698364258
2015	70.6231918334961
2017	87.3186416625977
2018	93.9707870483398
2019	95.8401870727539
2020	93.8143920898438