Year	% of relevant age group
1971	7.62797021865845
1975	10.2291898727417
1976	12.1860599517822
1999	24.6794490814209
2000	28.7925300598145
2001	31.5572109222412
2002	34.3798294067383
2004	36.8655014038086
2005	38.8045883178711
2006	42.6679611206055
2007	45.4854888916016
2008	47.8900413513184
2009	50.7960205078125
2010	53.8529281616211
2011	56.8536987304688
2012	56.8911209106445
2013	55.0447692871094
2014	56.4939918518066
2015	61.3191986083984
2016	61.9258804321289
2017	56.4404296875
2018	56.3888397216797
2019	56.9250793457031
2020	56.615291595459
2021	55.1185493469238
2022	51.3376998901367