Year	% of relevant age group
1995	12.7467203140259
2000	17.5102005004883
2001	18.0448894500732
2002	20.2689208984375
2003	21.0325107574463
2004	20.5672206878662
2007	24.050630569458
2008	25.3991794586182
2009	26.4342803955078
2010	29.2422008514404
2011	28.3183403015137
2012	26.4425201416016
2013	30.5984706878662
2014	30.9717292785645
2015	26.6809997558594
2016	29.7434406280518
2017	27.4312305450439