Year	% of relevant age group
1979	20.2992191314697
1980	21.1524200439453
1981	22.9337005615234
1982	21.5031204223633
1983	26.6349906921387
1984	34.0463104248047
1985	33.017261505127
1986	34.3909187316895
1987	33.8406410217285
1988	35.4877891540527
1990	33.4118385314941
1991	42.9958992004395
1992	40.6591987609863
1993	44.1163902282715
1994	48.2981491088867
1995	50.1139717102051
1996	50.4177589416504
1997	53.1454887390137
2004	63.8456115722656
2005	60.6135406494141
2006	57.7072715759277
2008	60.3701782226562
2009	67.5041732788086
2010	64.0740280151367
2013	61.4952583312988
2014	65.0560073852539
2015	63.4274711608887
2017	62.6766510009766
2018	64.2485809326172
2021	71.3675079345703