Year	% of total secondary
2003	61.4609184265137
2004	61.1724510192871
2005	50.2701416015625
2006	39.2987289428711
2007	29.4403896331787
2008	19.8471202850342
2009	20.007360458374
2010	20.1120090484619
2011	19.0976600646973
2012	19.039379119873
2013	18.7285900115967
2014	18.8089599609375
2015	18.3189697265625
2016	18.064920425415
2017	17.5367202758789
2018	17.3295402526855
2019	17.3844203948975
2020	16.7107696533203
2021	16.5598602294922