Year	% of total secondary
2002	27.9065399169922
2005	28.9071006774902
2006	27.5520496368408
2007	31.6860008239746
2008	31.4776592254639
2009	31.6420593261719
2010	30.4946804046631
2011	27.4193992614746
2012	31.0635395050049
2013	24.1424198150635
2014	29.3677597045898
2015	17.7443103790283
2016	27.423900604248
2017	24.3623905181885
2018	28.3551597595215
2019	26.9077205657959
2021	21.9040298461914