Year	% of total secondary
1999	23.4131107330322
2000	23.9672203063965
2001	24.6718292236328
2004	22.7420406341553
2008	22.321720123291
2009	21.3457107543945
2010	21.7405796051025
2011	22.2875804901123
2012	23.3796291351318
2013	23.6028900146484
2014	23.2090797424316
2015	29.9059791564941
2016	31.6360301971436
2017	32.0782318115234
2018	32.0782318115234
2019	32.581600189209
2020	32.694580078125
2021	33.0694808959961
2022	33.3235702514648
2023	33.58251953125