Year	% of relevant age group
1971	8.01346015930176
1972	9.26124000549316
1973	9.08082008361816
1977	9.01811981201172
1979	8.62681007385254
1980	8.64256000518799
1981	9.74563026428223
1982	10.3271999359131
1983	9.87685012817383
1984	10.2325897216797
1986	10.5857400894165
1988	12.2799797058105
1989	11.62965965271
1990	12.7209501266479
1992	15.9465999603271
1996	12.5358600616455
1997	12.8325700759888
2000	13.490650177002
2001	13.3412504196167
2002	14.3355598449707
2003	19.8459892272949
2004	18.2354507446289
2005	20.5007705688477
2006	23.1077899932861
2007	31.7776908874512
2008	26.5914707183838
2009	28.0239906311035
2010	31.6229591369629
2011	33.6561698913574
2012	35.4853591918945
2013	37.1975708007812
2014	41.603271484375
2015	39.7662696838379
2019	36.9211196899414
2021	41.6570281982422
2022	38.8156890869141