Year	% of total secondary
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	13.8225002288818
2007	12.0395498275757
2008	14.3233299255371
2009	12.4866304397583
2010	13.4150495529175
2011	13.7105798721313
2012	13.5757598876953
2013	10.8464298248291
2014	9.36763000488281
2015	8.40478992462158
2016	7.98891019821167
2017	7.77594995498657
2018	7.44447994232178
2019	7.57983016967773
2020	7.33686017990112
2021	7.09999990463257
