Year	% of relevant age group
1977	9.05830001831055
1978	12.1972303390503
1988	16.3132095336914
2003	21.0253791809082
2004	29.5326099395752
2005	33.0456886291504
2007	30.2431602478027
2008	28.542610168457
2010	29.6928291320801
2011	38.1914405822754
2012	47.0559997558594
2013	71.2290496826172
2014	66.3492126464844
2015	68.2916107177734
2017	69.5886993408203