Year	% of primary school age children
1973	18.59082
1978	17.14554
1980	18.70052
1981	20.57046
1982	23.85651
1983	29.98929
1984	34.70884
1985	38.96946
1986	41.46913
1987	46.5633
1988	49.16317
1993	49.06123
2000	41.44158
2001	50.27606
2002	49.53727
2003	52.98084
2004	54.62652
2005	57.85952
2006	74.51539
2007	81.83971
2008	92.44863
2009	90.75957
2010	95.49752
2017	95.54934
2018	93.4166