Year	% of total secondary
1999	24.2630100250244
2000	23.9610996246338
2001	24.6366405487061
2002	32.2955589294434
2003	33.0869293212891
2004	33.2676696777344
2005	33.3830604553223
2006	32.8917617797852
2007	32.008129119873
2009	32.9889106750488
2010	33.387580871582
2011	32.9217109680176
2012	31.8395309448242
2013	29.7271404266357
2014	28.9205207824707
2015	26.8827209472656
2016	26.0883808135986
2017	26.0833892822266
2018	25.9776706695557
2020	23.7754001617432
2021	22.5501098632812
2022	23.5491790771484