Year	% of primary school age
1970	17.3913898468018
1971	17.054370880127
1972	16.4869499206543
1973	15.6172199249268
1974	14.9450197219849
1975	14.7492904663086
1976	13.9764099121094
1977	12.979419708252
1978	12.3704595565796
1979	10.6321802139282
1980	10.1432800292969
1981	9.06083965301514
1982	8.82376003265381
1983	8.7406702041626
1984	8.82100963592529
1985	8.38453006744385
1986	8.60319995880127
1987	8.51996994018555
1988	8.86277961730957
1989	9.73367023468018
1990	9.28209972381592
1991	8.96387958526611
1992	8.09776973724365
1993	7.77672004699707
1994	8.32009029388428
1995	8.42446041107178
1996	7.92999982833862
1997	8.02886009216309
1998	5.60891008377075
1999	4.14284992218018
2000	3.47076010704041
2001	3.38528990745544
2002	3.2589099407196
2003	3.2815899848938
2004	3.79341006278992
2005	2.63491988182068
2006	3.73454999923706
2007	3.53904008865356
2008	2.33942008018494
2009	2.36427998542786
2010	2.79161
2011	2.88609
2012	2.89062
2013	3.05428
2014	3.26238
2015	3.18495
2016	3.14562
2017	3.00804
2018	3.66039