Year	% of primary school age children
1981	89.59942
1982	88.15434
1983	85.11353
1984	91.68477
1985	94.56526
1986	95.87482
1987	97.08417
1988	99.55368
1990	99.20278
1994	99.14782
1998	99.82899
2000	99.56229
2001	97.28274
2002	96.97873
2003	96.13641
2004	95.22005
2005	96.12108
2006	97.00636
2007	97.39093
2008	96.55235
2009	95.75413
2010	94.75945
2011	93.46983
2012	93.8087
2013	93.21409
2014	93.27274
2015	93.38192
2016	92.86026
2017	92.98582
2018	93.52897