Year	% of total secondary
2002	10.5862998962402
2003	10.5591297149658
2004	10.8210802078247
2005	11.6369104385376
2006	12.6377096176147
2007	13.8765897750854
2008	14.9059801101685
2009	16.4795093536377
2010	16.8981399536133
2011	16.7280502319336
2012	16.4703407287598
2013	16.9385509490967
2014	17.9709606170654
2015	18.6748600006104
2016	19.4353294372559
2017	19.9810695648193
2018	20.4092998504639
2019	21.0124607086182
2020	21.2255592346191
2021	21.172830581665
2022	21.4137992858887