Year	% of total secondary
1998	9.63580989837646
1999	9.65194988250732
2013	8.09158039093018
2014	7.91138982772827
2015	8.14797019958496
2016	8.86135959625244
2017	8.95263004302979
2018	8.94999027252197
2019	8.89398956298828
2020	8.47694969177246
2021	9.22517967224121
2022	8.45228958129883