Year	% of cohort
1976	13.1587200164795
1977	11.0707302093506
1978	24.8080806732178
1993	71.0484313964844
1997	75.0843276977539
1998	76.4943237304688
1999	81.5073928833008
2000	81.3905181884766
2003	84.2101135253906
2004	85.9850387573242
2005	84.3203887939453
2006	87.432746887207
2007	85.3078384399414
2008	89.5233535766602
2009	86.4973068237305
2010	91.0336380004883
2011	94.901237487793
2016	88.7227935791016