Year	% of relevant age group
1995	93.4313
1996	94.29499
1997	94.37074
1999	92.83009
2000	96.49283
2001	90.84774
2002	89.19389
2003	85.45615
2004	83.22692
2005	85.51636
2006	85.2189
2007	89.70482
2008	88.38171
2009	90.11377
2010	92.46942
2011	97.50393
2012	96.87327
2013	94.9307
2014	97.89368
2015	97.34831
2016	97.72666
2017	98.3982
2018	98.51635