Year	% of cohort
1982	20.623420715332
1983	36.1052093505859
1984	34.0270805358887
1985	39.6549797058105
1986	33.7134704589844
1987	23.1710300445557
1988	34.1828308105469
1989	41.8288993835449
1990	32.9399185180664
1991	34.5153503417969
1992	35.2676010131836
1993	43.0100212097168
1994	46.5341796875
1999	29.4278297424316
2000	32.9678115844727
2001	31.659839630127
2004	45.6910018920898
2005	39.0891799926758
2006	44.9517402648926
2007	43.3059387207031
2008	36.1766891479492
2009	35.4453201293945
2010	26.9610004425049
2011	30.5732402801514
2012	31.594970703125
2013	30.7491703033447
2014	33.2297897338867
2017	38.9226989746094
2018	41.805850982666
2019	43.0711784362793