Year	% of primary school age children
1971	12.79987
1999	36.90825
2002	44.85731
2003	44.80789
2004	47.07999
2005	50.07308
2006	51.84314
2007	54.17564
2010	62.69748
2011	64.10311
2012	62.28596
2014	59.52374
2015	56.81187
2016	57.93754
2017	63.5393
2018	55.75683