Year	% of relevant age group
1971	13.1728496551514
1973	16.0679092407227
1974	15.2987499237061
1975	16.6539001464844
1976	15.4627895355225
1977	16.2071704864502
1978	17.0350093841553
1979	17.6452808380127
1980	19.5107402801514
1981	22.4948196411133
1983	26.0883903503418
1984	26.0975494384766
1985	25.5358791351318
1986	25.3088798522949
1987	22.707540512085
1988	22.3820896148682
1994	23.2646102905273
1996	21.8744506835938
1997	26.718469619751
1998	28.3038005828857
2000	20.9114208221436
2001	29.3520202636719
2002	32.180980682373
2006	31.2830905914307
2007	31.7112903594971
2008	42.7521591186523
2009	39.0958786010742
2011	33.752628326416
2012	36.7659111022949
2013	40.3380012512207
2014	36.3394584655762
2015	38.7041015625
2016	43.4499397277832
2017	50.901611328125
2018	53.3666381835938
2019	55.2475318908691
2020	59.1507797241211
2021	60.4150009155273
2022	60.1977081298828
2023	56.7430000305176