Year	% of relevant age group
1970	57.3366813659668
1971	58.6926918029785
1972	61.4383697509766
1973	61.3907699584961
1977	68.5629806518555
1978	69.0133819580078
1980	84.9849700927734
1981	83.2135391235352
2004	87.9196090698242
2005	89.3276519775391
2014	99.3322906494141
2015	102.134521484375
2016	102.945236206055