Year	% of relevant age group
1987	21.5598201751709
1988	23.6086807250977
1994	12.4419002532959
1995	12.8604297637939
1996	12.9268999099731
1999	10.6394996643066
2005	22.4331798553467
2008	32.9288597106934
2009	30.7348709106445
2010	30.864839553833
2012	27.3793506622314
2014	30.3964996337891
2015	30.1522407531738