Year	% of relevant age group
1987	13.4042301177979
1988	14.8861198425293
1994	10.7772598266602
1995	9.61664962768555
1996	9.21874046325684
1999	6.89893007278442
2005	12.9440898895264
2008	21.56955909729
2009	22.2055397033691
2010	24.2248497009277
2012	23.213830947876
2014	27.9652194976807
2015	29.3228397369385