Year	% of relevant age group
1971	15.0020198822021
1974	12.7026700973511
1976	11.5184001922607
1977	10.766900062561
1988	11.1469697952271
1989	12.6995496749878
1990	16.5853404998779
1991	18.5018501281738
1994	19.9860897064209
1995	14.5031604766846
1996	14.9395999908447
1997	16.2346897125244
1999	20.6052494049072
2000	22.4082298278809
2001	24.508659362793
2002	27.244119644165
2003	32.7083702087402
2004	33.3219299316406
2005	29.9270095825195
2006	30.7831192016602
2009	31.5776195526123
2010	31.3891105651855
2011	34.7236785888672
2012	35.2715492248535
2013	38.6615600585938
2015	38.9475402832031
2016	42.0207710266113
2017	37.8997802734375
2018	40.4090385437012
2021	43.5296287536621