Year	% of relevant age group
1971	0.572300016880035
1972	0.782530009746552
1973	1.06128001213074
1974	1.25428998470306
1975	1.34336996078491
1976	1.36026000976562
1977	1.86628997325897
1978	1.92499995231628
1979	2.37330007553101
1981	3.73327994346619
1986	5.38531017303467
1989	4.05024003982544
1990	4.51188993453979
1991	4.66614007949829
1992	4.63916015625
1997	5.97597980499268
2000	4.50738000869751
2001	4.57337999343872
2002	4.17455005645752
2003	4.58516979217529
2004	6.47111988067627
2005	6.80958986282349
2006	7.61085987091064
2007	7.29807996749878
2008	8.511549949646
2009	8.63206958770752
2010	8.47698020935059
2011	9.79496955871582
2012	11.2095699310303
2013	12.4736099243164
2014	12.6744003295898
2015	15.8755197525024
2016	17.2668590545654
2017	18.5911102294922
2018	19.8661594390869
2019	18.5278396606445
2021	17.026050567627
2022	15.5003700256348
2023	13.8420000076294