Year	% of total secondary
2006	42.4107093811035
2007	40.850658416748
2008	40.5119285583496
2009	40.2961883544922
2011	35.9951705932617
2012	36.261360168457
2014	40.1502799987793
2015	41.0382995605469
2016	40.8970184326172
2017	42.4201583862305
2018	42.745231628418
2019	43.0984497070312
