Year	% of total secondary
2006	11.8466901779175
2007	13.6792402267456
2008	12.9022903442383
2009	19.9781303405762
2010	21.5315895080566
2011	24.1818008422852
2012	18.6993198394775
2013	18.7151298522949
2014	22.6464099884033
2015	22.2721405029297
2016	19.0331497192383
2018	22.8018093109131
2020	26.3317794799805
2021	27.3453502655029