Year	% of total secondary
1999	25.1046009063721
2000	25.0213508605957
2001	25.5883598327637
2002	25.2883396148682
2004	28.0636806488037
2005	25
2006	29.6309108734131
2007	28.8704299926758
2008	28.8617897033691
2011	27.7264308929443
2012	29.4972705841064
2013	28.7570095062256
2018	34.3786010742188
2019	37.0726203918457
2021	37.6780395507812
2022	38.8546485900879