Year	% of relevant age group
1971	2.67614006996155
1973	3.91377997398376
1974	3.54668998718262
1975	4.04050016403198
1976	3.94879007339478
1977	4.06929016113281
1978	4.44100999832153
1979	4.64623022079468
1980	5.34618997573853
1981	6.53776979446411
1983	7.49699020385742
1984	8.27474975585938
1985	9.01883983612061
1986	9.21245956420898
1987	8.5246696472168
1988	8.74862003326416
1994	10.8938398361206
1996	10.3170299530029
1997	13.1927995681763
1998	13.9466695785522
2000	25.3549003601074
2001	16.6353397369385
2002	18.4876098632812
2006	18.9429492950439
2007	18.6382999420166
2008	23.4899597167969
2009	24.724889755249
2011	21.8898906707764
2012	25.5388603210449
2013	27.5049991607666
2014	25.8225498199463
2015	27.4104804992676
2016	31.2218799591064
2017	37.7286605834961
2018	41.7968788146973
2019	45.3584785461426
2020	50.0222816467285
2021	50.3849983215332
2022	55.4727783203125
2023	55.7140007019043