Year	% of total secondary
2006	27.3777694702148
2008	26.3159294128418
2010	24.6492404937744
2011	26.9253406524658
2012	28.2762107849121
2013	30.1916694641113
2014	26.0097904205322
2015	26.707820892334
2016	26.2632999420166
2017	26.1090793609619
2019	24.483060836792
2020	26.9925193786621
2021	24.4631195068359
2022	26.0141296386719