Year	% of relevant age group
1976	4.85246992111206
1977	4.4903302192688
1988	3.73908996582031
1989	4.67434978485107
1990	6.3250298500061
1991	7.19425010681152
1994	9.17241954803467
1995	6.63712978363037
1996	7.15727996826172
1997	8.05265045166016
1999	11.5581398010254
2000	12.8447198867798
2001	14.5094499588013
2002	16.6247997283936
2003	20.8611793518066
2004	22.6454696655273
2005	20.3553791046143
2006	21.3764896392822
2009	23.2213001251221
2010	23.6906509399414
2011	26.8041000366211
2012	27.1654090881348
2013	30.1624603271484
2015	31.1634407043457
2016	33.986400604248
2017	31.1744499206543
2018	33.9625587463379
2021	37.6941986083984