Year	% of primary school age children
1988	64.94106
1990	64.66251
1992	57.91432
1993	62.72608
1994	66.45433
1996	68.4371
1997	70.95232
1998	74.27794
1999	74.94703
2000	75.85907
2001	75.377
2002	76.5676
2003	79.17625
2004	79.84852
2005	81.105
2006	82.62215
2007	85.23456
2008	87.67267
2009	89.97949
2010	94.60536
2011	94.33115
2012	94.32175
2013	96.23668
2014	96.5434
2015	94.89325
2016	94.00376
2017	92.48614
2018	91.46712