Year	% of primary school age
1980	63.5074310302734
1981	62.8003196716309
1982	57.5811882019043
1983	53.385181427002
1984	56.6010093688965
1985	51.2593307495117
1986	48.7455101013184
1987	57.1943092346191
1997	40.9648818969727