Year	% of primary school age children
1997	82.78974
1998	82.0231
1999	79.75425
2000	80.06679
2001	82.41286
2002	83.25231
2003	83.36295
2004	83.14516
2005	83.12158
2006	83.7238
2007	83.3272
2012	80.11634
2013	87.42604
2014	87.0389
2015	86.27632
2016	78.36007
2017	77.95365
2018	84.93737