Year	% of primary school age children
1992	27.82551
1994	31.44747
1995	32.80085
1996	35.03013
1997	35.57592
1999	42.49334
2000	49.63367
2001	52.46551
2002	59.77814
2003	67.42652
2004	72.74893
2005	77.53643
2006	79.8968
2007	74.73433
2008	70.31838
2009	65.65732
2010	61.52097
2011	63.78245
2012	65.62851
2013	60.98675
2014	60.07146
2015	57.13266
2017	49.86818
2018	49.39903