Year	% of relevant age group
1977	17.7371597290039
1978	19.161190032959
1980	20.6618099212646
1981	16.966480255127
1982	18.3005199432373
1983	17.9112491607666
1984	18.3892593383789
1985	15.0787897109985
1986	14.4307804107666
1987	13.9132604598999
1988	11.2664403915405
1989	12.2918901443481
1990	18.4360198974609
1991	16.4508590698242
1992	16.2383308410645
1993	18.7122707366943
1994	19.9592399597168
1995	20.0266094207764
1996	30.8855495452881
1998	25.8174800872803
1999	29.4720592498779
2000	32.083740234375
2001	33.8385696411133
2002	37.6643218994141
2003	37.6587104797363
2004	46.9465408325195
2005	52.7905387878418
2006	57.1159896850586
2007	57.431999206543
2008	50.5710983276367
2009	56.353328704834
2010	56.667350769043
2011	60.1629981994629
2012	61.0377883911133
2013	61.940990447998
2014	64.0024795532227
2015	62.8349990844727
2016	62.4415283203125
2017	55.4490013122559
2018	56.6450004577637
2019	56.9970016479492
2020	60.7978096008301
2021	63.1839981079102