Year	% of total secondary
2003	5.99998998641968
2004	5.49140977859497
2014	6.97802019119263
2016	7.25954008102417
2017	7.42424011230469
2018	7.78999996185303
2019	8.37016010284424
2020	9.11380958557129
2021	9.28717994689941