Year	% of primary school age children
1981	68.96957
1982	64.94606
1983	64.41072
1985	58.60795
1986	57.37544
1987	55.55926
1988	53.7258
1989	53.52845
1990	52.78702
1991	52.01735
1992	52.00352
1993	51.40762
1994	50.393
1995	50.21043
1996	50.32388
1997	50.83809
1998	50.45952
1999	50.97135
2000	54.47396
2001	58.47912
2002	72.85084
2003	81.01993
2004	85.68934
2005	90.41324
2006	96.52573
2008	99.01626
2010	93.53785
2012	88.83323
2013	86.65768
2014	85.39817
2016	86.66401
2017	86.43188
2018	84.14222