Year % of total secondary 2005 8.02723979949951 2006 7.3998498916626 2008 9.17310047149658 2009 11.0782899856567 2010 11.4964399337769 2011 11.2971601486206 2012 10.2418603897095 2013 12.5030899047852 2014 11.743709564209 2015 11.0723896026611 2016 10.052020072937 2017 11.4402704238892 2018 10.2701396942139