Year	% of relevant age group
1971	21.3261699676514
1972	23.246919631958
1976	34.2275009155273
1977	37.4994888305664
1978	40.797721862793
1980	42.0942916870117
1981	45.0717887878418
1982	46.5721893310547
1983	49.8640289306641
1984	53.6254386901855
1988	35.5129585266113
1991	37.9360618591309
1992	35.1645011901855
1993	44.3549194335938
1994	36.8052406311035
1999	30.64674949646
2002	32.3329582214355
2007	39.9390983581543
2008	44.6374816894531
2009	47.9074096679688
2010	51.7605514526367
2011	52.032039642334
2012	57.4362106323242
2013	59.7097015380859
2014	58.992000579834
2015	67.4712524414062
2020	74.7407531738281
2021	79.1898193359375