Year	% of relevant age group
1987	17.496919631958
1988	19.2603206634521
1994	11.6165199279785
1995	11.257269859314
1996	11.1017198562622
1999	8.80401992797852
2005	17.7910804748535
2008	27.3615608215332
2009	26.5481090545654
2010	27.6038703918457
2012	25.3304405212402
2014	29.201099395752
2015	29.744140625