Year	% of lower secondary school age
1998	14.3149404525757
1999	14.8546199798584
2000	14.8036603927612
2001	14.678409576416
2002	12.8354501724243
2003	10.8607997894287
2004	9.76439952850342
2005	8.31459999084473
2006	8.29209995269775
2007	7.78534984588623
2008	7.00813007354736
2009	6.63895988464355
2010	6.69935
2011	6.74401
2012	7.02221
2013	6.85114
2014	6.53737
2015	6.29926
2016	6.06482
2017	6.04923
2018	5.86308