Year	% of cohort
1982	67.6875228881836
1983	68.1354370117188
1984	66.7746276855469
1985	67.7732009887695
1986	78.9769897460938
1987	70.8430099487305
1988	74.6153030395508
1998	69.3362426757812
2001	75.8100814819336
2002	72.1699676513672
2003	71.476448059082
2004	70.6009521484375
2005	70.2299728393555
2006	72.8250274658203
2007	74.7715530395508
2008	75.4877395629883
2016	93.3063125610352
2018	97.1583099365234
2019	96.9328231811523