Year	% of total secondary
2000	16.4247207641602
2001	15.2843103408813
2002	16.5293502807617
2003	16.7967796325684
2004	16.3645401000977
2005	16.7399406433105
2006	16.767370223999
2007	17.5716495513916
2008	17.4262008666992
2009	18.9783802032471
2010	19.2596397399902
2011	20.0433502197266
2012	18.9330101013184
2013	19.2914695739746
2014	20.6345691680908
2015	20.9354190826416
2016	20.6705303192139
2017	21.3704605102539
2018	21.7680492401123
2019	22.3177299499512
2020	22.8188209533691
2021	23.0631008148193
2022	23.3851203918457