Year	% of primary school age
1970	31.9274101257324
1971	31.9783706665039
1972	30.8731899261475
1973	28.2497596740723
1974	27.2998199462891
1975	25.9691505432129
1976	25.266040802002
1977	25.2355003356934
1978	26.4192409515381
1979	26.0070209503174
1980	25.0543804168701
1981	24.0053997039795
1982	23.5266609191895
1983	23.0905494689941
1984	22.691650390625
1985	21.9202899932861
1986	21.119499206543
1987	20.873420715332
1988	20.1696300506592
1989	19.4357891082764
1990	19.7877902984619
1991	19.3160991668701
1992	19.3970203399658
1993	19.1780300140381
1994	19.0362091064453
1995	19.3704795837402
1996	19.5363006591797
1997	19.3505802154541
1998	18.4816207885742
1999	17.3551692962646
2000	16.4678001403809
2001	16.0541801452637
2002	15.6237697601318
2003	14.0094699859619
2004	12.7018899917603
2005	11.7702503204346
2006	11.5366296768188
2007	10.1031799316406
2008	9.78069972991943
2009	9.88971042633057
2010	9.99409
2011	9.87614
2012	9.50378
2013	9.20562
2014	9.01378
2015	9.17189
2016	9.03008
2017	9.00126
2018	8.9566