Year	% of total secondary
2005	8.39262008666992
2007	11.3854398727417
2013	13.8128299713135
2014	14.0541696548462
2015	15.399920463562
2016	15.2802696228027
2017	15.1892499923706
2018	14.5203800201416
2019	14.3314199447632
2020	14.0904397964478
2021	12.8159103393555
2022	13.0127696990967