Year	% of relevant age group
1973	37.9057006835938
1975	27.8877906799316
1976	43.0737113952637
1977	44.2755813598633
1978	40.6422500610352
1979	42.2999000549316
1980	38.7860107421875
1981	46.4678192138672
1982	50.9109802246094
1983	62.6991996765137
1984	68.0830993652344
2004	91.0189514160156
2005	91.9395523071289
2006	94.8447723388672
2007	96.5715866088867
2008	100.952659606934
2009	105.925071716309
2010	103.908996582031
2011	105.071998596191
2012	106.928001403809
2013	109.167999267578
2014	102.207000732422
2015	103.40599822998
2016	98.6449966430664
2017	100.59700012207
2018	102.857002258301
2019	102.029998779297
2020	105.09171295166