Year	% of relevant age group
1971	41.9587593078613
1972	43.9933395385742
1976	53.4999809265137
1977	55.8918304443359
1978	59.1705017089844
1980	58.550708770752
1981	60.3858184814453
1982	62.3670196533203
1983	64.3600921630859
1984	66.7267227172852
1988	48.8944396972656
1991	50.9793090820312
1992	47.2916488647461
1993	55.0564804077148
1994	46.9761009216309
1999	33.2521591186523
2002	40.4517211914062
2007	49.5882987976074
2008	54.5082702636719
2009	58.5026817321777
2010	60.315731048584
2011	62.2785301208496
2012	67.4500427246094
2013	66.7713775634766
2014	64.9909973144531
2015	67.4965896606445
2020	78.7289962768555
2021	82.6475601196289