Year	% of official school-age population
1999	18.84504
2000	22.2778
2002	25.10816
2003	31.32691
2004	33.83944
2005	34.45778
2006	36.31625
2007	38.20244
2008	38.98734
2009	43.21072
2012	49.12122
2014	48.59311
2016	58.64898