Year	% of total secondary
1998	30.5203094482422
1999	31.3628101348877
2000	31.3523693084717
2001	30.6455993652344
2002	30.7261505126953
2003	29.7159900665283
2004	28.1831207275391
2005	27.7995891571045
2006	28.0762100219727
2007	28.1192893981934
2008	27.0529804229736
2009	28.0882205963135
2010	28.0550708770752
2011	28.0510597229004
2012	27.6936893463135
2013	28.4781608581543
2014	30.042329788208
2015	30.5164604187012
2016	30.8839206695557
2017	30.2585506439209
2018	30.5293598175049
2019	30.5974502563477
2020	30.782600402832
2021	30.6211795806885
2022	30.4650497436523