Year	% of primary school age children
1971	51.44103
1972	51.57135
1973	51.34122
1978	54.43943
1994	80.85954
1997	84.15564
1999	84.2703
2000	86.30993
2001	87.52835
2002	88.79665
2003	89.94652
2012	98.77074