Year	% of relevant age group
1976	68.4133224487305
1977	75.9296493530273
1978	72.4365692138672
1979	77.097297668457
1985	79.0832138061523
1987	72.5064468383789
1988	70.7171325683594
1989	73.2471084594727
2005	70.9064636230469
2006	77.8344192504883
2007	69.1315689086914
2008	77.8086013793945
2009	79.0337982177734
2010	79.4409713745117
2011	76.7953796386719
2012	76.8981628417969
2013	74.7404174804688
2014	77.0248489379883
2015	79.0860214233398
2016	75.4640274047852
2017	76.1600036621094
2018	76.6041107177734
2019	75.4947814941406
2020	80.3726501464844
2021	71.8596572875977