Year	% of relevant age group
1987	44.4529914855957
1988	45.0224189758301
1989	45.2767791748047
1990	45.4794807434082
1991	46.2364387512207
1992	47.6256790161133
1993	48.4763298034668
1994	48.5174789428711
1995	49.284351348877
1996	50.2640190124512
1997	51.9803886413574
1998	53.4533081054688
1999	55.3459091186523
2000	57.2592811584473
2001	59.6265487670898
2002	62.3803901672363
2003	65.0135269165039
2004	66.7507629394531
2005	68.6044769287109
2006	68.7391586303711
2007	70.4852905273438
2008	71.4385604858398
2009	72.7725296020508
2010	74.2600173950195
2011	75.8148574829102
2012	77.0090179443359
2013	77.1681365966797
2014	77.2474517822266
2015	77.3195571899414
2016	78.3735733032227
2017	77.9841995239258
2018	77.8960189819336
2019	78.730827331543
2020	80.3987197875977
2021	80.8422012329102
2022	80.6965103149414