Year	% of relevant age group
1975	15.6312398910522
1976	17.9495906829834
1977	18.4205703735352
1978	20.8897800445557
1979	24.9713706970215
1980	25.3389701843262
1981	25.7147598266602
1983	27.814359664917
1985	30.5809993743896
1986	32.3294792175293
1987	31.7585792541504
1988	35.7357482910156
1989	36.9148101806641
1990	37.1309204101562
1991	38.0546989440918
1992	36.2583198547363
1993	33.7504806518555
1994	36.3423805236816
1995	37.0898284912109
1997	36.2496299743652
1999	34.5403785705566
2000	36.4647102355957
2001	38.050479888916
2002	41.9721984863281
2003	42.1193695068359
2004	43.0264587402344
2006	47.0804786682129
2007	51.976261138916
2008	55.4406204223633
2009	62.0046195983887
2010	62.6551513671875
2011	63.8581695556641
2012	63.9147109985352
2013	65.4590911865234
2014	68.5221710205078
2015	68.55712890625
2016	65.4692306518555
2017	61.8677711486816
2018	61.6762199401855
2019	60.7564697265625
2020	63.3846702575684
2021	70.8951187133789
2022	66.7645263671875