Year	% of primary school age children
1977	39.38276
1996	46.8227
1997	47.69157
1999	49.45401
2000	47.86024
2001	51.94523
2002	51.1883
2003	49.87982
2009	50.48391
2013	65.35666
2014	68.26229
2015	72.05407
2016	82.34393
2017	84.7071
2018	89.7329