Year	% of relevant age group
1971	59.0610809326172
1972	52.7654495239258
1974	48.0888214111328
1975	49.733268737793
1976	52.5162200927734
1977	54.4110298156738
1978	56.643741607666
1979	57.4213600158691
1980	59.3211784362793
1981	63.0120811462402
1991	56.7310409545898
1992	58.3370780944824
1999	61.3618087768555
2000	64.9445495605469
2001	62.2718696594238
2002	63.9406700134277
2003	65.3432693481445
2004	65.1796722412109
2005	71.6062698364258
2006	69.7014083862305
2007	75.8752670288086
2008	82.6185684204102
2009	83.7913970947266
2011	88.1638107299805
2012	91.1953582763672
2013	91.1848068237305
2014	89.2414321899414
2015	93.6741485595703
2017	87.8497772216797
2018	88.0406112670898
2022	92.0071716308594