Year	% of relevant age group
1971	17.7120304107666
1972	19.4928092956543
1973	19.0377502441406
1974	18.7393398284912
1975	20.1030197143555
1976	19.5300598144531
1977	15.6549997329712
1978	20.3870792388916
1979	21.1268501281738
1980	23.6285305023193
1981	23.8398704528809
1982	27.2505397796631
1983	30.2987003326416
1984	35.107780456543
1985	36.6748809814453
1986	38.4954414367676
1987	42.0023994445801
1989	37.153980255127
1992	37.0030784606934
1993	35.191478729248
1994	34.3497695922852
1995	36.6295318603516
1996	42.9891815185547
1997	40.9322395324707
1999	60.4448699951172
2000	59.9611587524414
2001	60.7965393066406
2002	59.2373390197754
2003	62.0955390930176
2004	61.1669006347656
2005	58.7829093933105
2006	57.4537887573242
2007	64.2168579101562
2008	69.6455688476562
2010	63.0002517700195
2011	58.902099609375
2012	60.1748580932617
2013	60.6040382385254
2014	60.5978393554688
2015	60.7109489440918
2016	60.9133911132812
2017	63.1860008239746
2018	65.5009994506836
2019	68.6075592041016
2020	71.6708374023438
2021	74.407470703125
2022	75.2210006713867
2023	75.556999206543