Year	% of lower secondary school age
1997	4.53035020828247
1998	4.59469985961914
1999	3.75722002983093
2000	3.61344003677368
2001	4.46547985076904
2002	3.87283992767334
2003	3.89076995849609
2004	3.33447003364563
2005	3.24458003044128
2006	3.59652996063232
2007	4.42530012130737
2008	5.49405002593994
2009	6.06805992126465
2010	5.78796
2011	5.09538
2012	4.29069
2013	3.79845
2014	3.34799
2015	3.41065
2016	3.80022
2017	3.82915
2018	3.8367