Year	% of cohort
1975	30.7743091583252
1977	64.304817199707
1978	73.1411972045898
1987	78.8542709350586
2006	72.0714263916016
2008	99.6221694946289
2009	78.6592864990234
2010	91.4803237915039
2011	96.7484130859375
2012	93.9045562744141
2013	95.1732482910156
2014	98.2852401733398
2015	97.4376983642578
2016	75.3954925537109
2017	90.4634399414062
2018	97.1455688476562
2020	75.0033721923828