Year	% of relevant age group
1970	33.3254318237305
1971	33.2085914611816
1972	33.4880981445312
1973	33.9737014770508
1974	34.3846282958984
1975	35.5212516784668
1976	36.4075317382812
1977	37.7443618774414
1978	39.441089630127
1979	40.2613296508789
1980	41.3530883789062
1981	43.2133903503418
1982	44.1358299255371
1983	44.5279884338379
1984	47.1288185119629
1985	43.9089317321777
1986	43.8533592224121
1987	43.1509399414062
1988	41.9921798706055
1989	40.4896011352539
1990	41.2811012268066
1991	41.9820289611816
1992	41.0310592651367
1993	42.0445709228516
1994	40.9304389953613
1995	40.9976081848145
1996	41.8053512573242
1997	41.6768684387207
1998	40.9490814208984
1999	41.8769912719727
2000	42.3142318725586
2001	44.7046890258789
2002	46.7466201782227
2003	48.319278717041
2004	49.8106918334961
2005	52.4285202026367
2006	54.5853500366211
2007	56.8924217224121
2008	60.5111694335938
2009	63.9507102966309
2010	64.2309494018555
2011	63.9957504272461
2012	64.1997680664062
2013	64.1831893920898
2014	64.3356475830078
2015	64.4945907592773
2016	65.2177734375
2017	65.9131774902344
2018	66.9774475097656
2019	67.2501525878906
2020	68.2083129882812
2021	69.116813659668
2022	68.4839782714844