Year	% of total secondary
1999	72.8348083496094
2007	64.0740737915039
2008	63.7301788330078
2009	64.2136764526367
2010	64.2214279174805
2011	65.2480773925781
2013	68.4905700683594
2014	69.0662384033203
2015	69.2974700927734
2019	71.1106796264648
2020	67.4229431152344