Year	% of primary school age
1970	38.9166603088379
1971	38.9282493591309
1972	36.4973793029785
1973	35.0124893188477
1974	33.9820518493652
1975	31.3864002227783
1976	28.975549697876
1977	27.4391098022461
1978	26.2112903594971
1979	26.9254093170166
1980	24.466459274292
1981	24.8171997070313
1982	23.5378494262695
1983	22.7629203796387
1984	21.3625507354736
1985	20.910120010376
1986	19.9943408966064
1987	18.9973106384277
1988	18.2116107940674
1989	18.2046909332275
1990	16.1733798980713
1991	15.2379999160767
1992	17.6705093383789
1993	17.4669704437256
1994	15.8417997360229
1995	17.1609497070313
1996	15.3613796234131
1997	15.5115098953247
1998	15.921950340271
1999	15.2937097549438
2000	14.188759803772
2001	11.6991996765137
2002	9.85056972503662
2003	9.33318996429443
2004	8.65100002288818
2005	8.64068031311035
2006	8.92378997802734
2007	8.04160976409912
2008	7.0097599029541
2009	6.37115001678467
2010	5.47338
2011	5.45622
2012	4.63631
2013	5.4576
2014	5.67733
2015	5.97224
2016	5.63293
2017	5.23099
2018	4.9136