Year	% of relevant age group
1972	12.2627000808716
1973	13.2444000244141
1974	12.9474096298218
1975	14.8884401321411
1976	12.6335201263428
1999	20.5283393859863
2000	23.8507099151611
2001	23.1180400848389
2005	28.3376808166504
2006	33.0312118530273
2008	37.9320793151855
2011	41.6197814941406
2013	36.6713409423828
2014	43.0705108642578
2015	47.932731628418
2016	48.9509887695312
2017	46.783260345459
2018	48.9119682312012
2019	47.8732109069824
2020	47.5002288818359
2021	49.0012702941895
2022	52.5999488830566