Year	% of primary school age
1970	60.4538688659668
1971	60.8887901306152
1972	57.9821891784668
1973	54.7839584350586
1974	54.9164810180664
1975	52.6385383605957
1976	50.8271789550781
1977	49.8232917785645
1978	48.6953315734863
1979	47.867561340332
1980	46.5567016601563
1981	45.8490180969238
1982	46.599048614502
1983	46.2065505981445
1984	46.5010108947754
1985	47.1669692993164
1986	47.1310081481934
1987	47.6167793273926
1988	45.5545196533203
1989	45.9548606872559
1990	46.7704811096191
1991	45.4831314086914
1992	45.5920181274414
1993	45.5491790771484
1994	44.7513313293457
1995	43.4482917785645
1996	43.1628494262695
1997	41.2001609802246
1998	41.0176582336426
1999	41.1539306640625
2000	38.8513603210449
2001	36.6714401245117
2002	33.5048217773438
2003	30.4149894714355
2004	28.1971893310547
2005	25.7446994781494
2006	23.5824794769287
2007	22.092529296875
2008	19.8050498962402
2009	19.3928298950195
2010	19.72952
2011	18.68243
2012	18.18565
2013	17.46724
2014	16.93369
2015	17.28761
2016	17.40488
2017	17.51265
2018	17.74357