Year	% of relevant age group
1986	47.4000816345215
1987	47.5615501403809
1988	47.4914703369141
1989	48.3586311340332
1990	48.4325790405273
1991	48.9916610717773
1992	50.2348709106445
1993	50.9506301879883
1994	50.8112411499023
1995	51.4602890014648
1996	52.0960083007812
1997	53.312858581543
1998	54.4062309265137
1999	55.8612098693848
2000	57.3775787353516
2001	59.3009490966797
2002	61.5657196044922
2003	63.402271270752
2004	64.9599685668945
2005	66.488899230957
2006	66.2561721801758
2007	67.5219802856445
2008	68.2226715087891
2009	69.0754318237305
2010	70.2139129638672
2011	71.5007095336914
2012	71.8758316040039
2013	71.5581283569336
2014	71.6372528076172
2015	71.6611404418945
2016	72.5748672485352
2017	72.1020889282227
2018	72.0912094116211
2019	72.7455825805664
2020	74.1775894165039
2021	74.646842956543
2022	74.3938064575195