Year % of relevant age group 1977 14.2017602920532 1978 9.44287014007568 1988 11.5755596160889 2003 30.73171043396 2004 34.9973182678223 2005 36.4699592590332 2007 31.3849391937256 2008 30.0629596710205 2010 28.362720489502 2011 49.2368316650391 2012 49.976001739502 2013 85.3327102661133 2014 76.507942199707 2015 74.9130401611328 2017 79.9035415649414