Year	% of cohort
1985	47.1893081665039
2000	38.2144317626953
2001	40.5297889709473
2002	35.3388214111328
2003	22.203950881958
2004	25.480640411377
2006	31.8497104644775
2008	53.5393981933594
2010	24.8377990722656
2011	37.2296409606934
2012	34.985710144043
2016	35.4994888305664