Year	% of total secondary
2003	4.86639976501465
2005	4.05972003936768
2006	3.6794900894165
2007	3.7501699924469
2008	3.04109001159668
2009	2.96291995048523
2010	2.82823991775513
2011	3.00486993789673
2012	3.26064991950989
2013	3.40804004669189
2014	3.57510995864868
2015	3.74573993682861
2016	3.70253992080688
2017	3.46238994598389
2018	3.09531998634338
2019	3.44040989875793
2020	4.05814981460571
2022	2.04193997383118