Year	% of total secondary
2002	73.5283203125
2004	73.9380035400391
2005	73.8614883422852
2006	73.6701507568359
2007	74.0413208007812
2008	74.1165237426758
2009	67.3383178710938
2010	62.4968605041504
2011	60.309139251709
2012	61.0957412719727
2013	62.2885208129883
2014	62.3156394958496
2015	62.7375411987305
2016	63.4026489257812
2017	63.4452896118164
2018	63.0015182495117
2019	63.1525497436523
2020	63.0837783813477
2021	61.4389991760254
2022	62.3370895385742