Year	% of relevant age group
1971	11.1404495239258
1972	13.5494403839111
1973	17.9139995574951
1974	22.1721591949463
1975	25.3108196258545
1976	27.7961292266846
1977	35.0099601745605
1978	37.9992218017578
1979	41.7044296264648
1981	44.6664009094238
1982	42.4928398132324
1983	35.1330490112305
1984	37.5564193725586
1987	35.1349182128906
1989	27.1040992736816
1993	33.0291213989258
1994	24.6758995056152
1996	29.980770111084
2000	26.22047996521
2001	31.7307205200195
2002	22.9410705566406
2003	25.7834300994873
2004	38.072078704834
2008	40.9368896484375
2009	42.3170890808105
2010	41.266731262207
2011	43.5803604125977
2012	48.3501396179199
2015	81.6070022583008
2018	62.0449981689453