Year	% of primary school age children
1973	23.40446
1978	20.62199
1980	22.39389
1981	24.66131
1982	29.25203
1983	36.40668
1984	41.49905
1985	45.78622
1986	47.74203
1987	52.42783
1988	53.88861
1993	52.94264
2000	45.25815
2001	55.11832
2002	54.67046
2003	57.73128
2004	57.75072
2005	60.67673
2006	75.84013
2007	82.83274
2008	92.98263
2009	90.08708
2010	94.44081
2017	93.94217
2018	92.01824