Year	% of total secondary
1998	46.0560913085938
1999	46.9246406555176
2000	46.3394203186035
2001	44.5495681762695
2002	44.7322082519531
2003	43.8320083618164
2004	40.7916412353516
2005	39.5742607116699
2006	38.4706001281738
2007	38.0723304748535
2008	35.8888816833496
2009	36.186710357666
2010	35.5886383056641
2011	34.7618408203125
2012	34.6827201843262
2013	35.505729675293
2014	35.7202987670898
2015	36.0391998291016
2016	36.8568801879883
2017	36.1040191650391
2018	36.0817413330078
2019	35.673469543457