Year	% of relevant age group
1975	44.3727111816406
1980	58.5385589599609
1981	55.1686592102051
1982	50.516529083252
1983	48.8557090759277
1984	47.4594917297363
1986	54.352611541748
1990	60.6951904296875
1991	71.1048202514648
1992	67.2890014648438
1993	67.7109222412109
1994	69.2526931762695
2010	84.3476333618164
2011	84.2840270996094
2012	83.9506225585938
2013	84.7422790527344
2014	85.9051971435547
2015	87.4035110473633
2016	87.4194412231445
2017	87.0158081054688
2018	84.8602981567383
2019	84.014030456543