Year	% of lower secondary school age
1971	6.83834981918335
1972	6.52867984771729
1973	7.62575006484985
1974	6.42686986923218
1975	6.21077013015747
1976	1.76303005218506
1977	1.49331998825073
1978	1.31549000740051
1979	1.11541998386383
1981	0.524770021438599
1982	0.860099971294403
1998	1.80335998535156
1999	1.40154004096985
2000	0.784619987010956
2001	0.32396999001503
2002	0.306710004806519
2003	0.34621000289917
2004	0.015089999884367
2005	0.0724299997091293
2006	1.03891003131866
2007	3.2124400138855
2008	1.45033001899719
2009	0.00425999984145164
2010	0.0120599996298552
2011	1.77260994911194
2012	5.15234994888306
2013	1.40277004241943
2014	1.31183004379272
2015	1.16605997085571
2017	0.89995002746582
2018	2.35474991798401
2019	3.30206990242004
2020	3.07791996002197
2021	1.67525994777679
2022	3.07788991928101