Year	% of primary school age
1971	43.6259498596191
1972	42.439510345459
1973	40.9426193237305
1974	38.7601089477539
1975	37.629150390625
1976	28.6714992523193
1977	26.1582698822021
1978	24.0902500152588
1979	9.67912006378174
1980	6.79501008987427
1981	8.85997009277344
1983	13.3941297531128
1985	14.2770299911499
1986	12.4027299880981
1987	10.6692600250244
1988	9.10849952697754
1989	10.0637798309326
1993	20.5254898071289
1996	25.9944896697998
1999	15.0197496414185
2000	17.4488105773926
2003	14.3927001953125
2004	15.2910003662109
2007	11.4304800033569