Year	% of relevant age group
1987	14.9638500213623
1988	17.138599395752
1993	24.7066993713379
1994	26.3028793334961
1995	28.2452201843262
1999	38.8143501281738
2000	40.5156288146973
2001	41.3979682922363
2002	44.6842613220215
2004	48.8478813171387
2005	53.0568199157715
2006	52.4116516113281
2007	54.7945594787598
2008	51.0052108764648
2010	56.3267593383789