Year	% of official school-age population
1999	76.53575
2000	72.61307
2001	73.03823
2002	73.26834
2003	82.35294
2004	82.87854
2005	85.46603
2006	80.01579
2007	82.70875
2008	85.80044
2009	78.53231
2010	77.75354
2011	76.97763
2014	87.44963
2017	82.02108
2018	91.57626