Year	% of primary school age children
1971	21.11918
1999	50.96937
2002	58.21658
2003	58.22607
2004	56.02555
2005	63.07567
2006	63.94542
2007	65.90277
2010	73.71121
2011	74.29565
2012	71.68516
2014	67.30188
2015	64.35272
2016	66.20966
2017	71.01144
2018	62.02415