Year	% of cohort
1974	43.8384017944336
1975	45.8317909240723
1976	48.7417907714844
1977	52.7932090759277
1980	84.2161331176758
1999	85.4607620239258
2000	95.2132568359375
2014	87.4027328491211
2016	93.6232528686523
2017	98.7328491210938