Year	% of cohort
1975	32.7969818115234
1976	37.2920303344727
1977	37.809139251709
1995	42.4813499450684
1999	54.0083694458008
2000	48.6517601013184
2001	58.8014297485352
2004	60.7513885498047
2005	61.962890625
2006	61.7448806762695
2007	64.0472106933594
2008	78.8261337280273
2009	67.8987884521484
2010	70.6849136352539
2011	65.354248046875
2012	66.8477630615234
2013	71.4757232666016
2014	74.4270401000977
2016	79.2360382080078
2017	86.2694396972656
2018	72.8948669433594
2019	78.0822906494141
2020	94.6127395629883
2021	89.2776565551758