Year	% of relevant age group
1971	32.8801002502441
1972	32.5490303039551
1978	36.8129806518555
1979	38.9230918884277
1980	36.4986190795898
1981	38.8793601989746
1982	39.4914093017578
1983	40.6407699584961
1984	41.4679183959961
1985	42.8005599975586
1986	45.7394104003906
1988	51.029239654541
1989	51.8387184143066
1990	50.1226196289062
1992	46.7622413635254
1994	46.0547294616699
1996	47.7069702148438
1997	47.5422897338867
1998	49.4429512023926
2000	45.0190086364746
2001	50.3644104003906
2002	51.9351692199707
2003	51.0072212219238
2004	51.8043212890625
2005	56.9992294311523
2006	52.5791015625
2007	53.5251502990723
2008	59.5661506652832
2009	58.6601600646973
2010	56.9700202941895
2011	59.1977005004883
2012	57.4126815795898
2013	57.3021087646484
2014	56.9808502197266
2015	55.160530090332
2019	55.6873397827148
2020	54.98046875
2021	56.6570091247559
2022	54.8390312194824