Year	% of primary school age children
1971	10.0546
1972	10.48779
1977	12.55795
1978	13.02682
1979	13.5189
1980	14.30845
1981	15.32438
1982	16.8141
1983	18.08002
1984	19.42905
1985	21.48462
1986	23.48546
1987	25.13819
1988	25.62197
1989	25.91472
1991	27.18227
1992	27.70352
1993	28.68706
1994	29.91303
1995	31.53515
1998	34.98034
1999	35.51457
2000	36.7463
2001	37.77186
2002	36.72142
2003	39.04855
2004	41.14892
2005	45.97286
2006	49.62343
2007	54.95361
2008	61.00304
2009	63.89452
2011	64.89106
2012	66.07414
2013	66.97207
2014	68.30377
2015	69.95995
2016	75.85293
2017	77.00507
2018	79.34168