Year	% of primary school age
1970	50.2978591918945
1971	50.3321304321289
1972	49.572509765625
1973	47.6509284973145
1974	48.1044807434082
1975	47.3501091003418
1976	45.8299217224121
1977	45.1437797546387
1978	44.8821296691895
1979	43.4443893432617
1980	41.6305313110352
1981	39.956470489502
1982	40.4832801818848
1983	39.2733688354492
1984	38.8223686218262
1985	39.0941505432129
1986	38.5652809143066
1987	39.3847312927246
1988	39.2612686157227
1989	40.2002906799316
1990	42.0989990234375
1991	38.9630584716797
1992	39.4575691223145
1993	39.3514595031738
1994	38.6352882385254
1995	37.8394813537598
1996	39.1285591125488
1997	40.1002883911133
1998	41.0485610961914
1999	42.239860534668
2000	41.1084899902344
2001	39.2823486328125
2002	37.3535995483398
2003	35.5795402526855
2004	34.0033798217773
2005	32.9351997375488
2006	30.9899101257324
2007	29.9740905761719
2008	26.9651794433594
2009	26.4159908294678
2010	25.43838
2011	24.59005
2012	23.27389
2013	23.51152
2014	22.10351
2015	22.24142
2016	21.80215
2017	21.52147
2018	21.56922