Year	% of official school-age population
1999	63.35262
2000	64.7086
2001	67.84472
2002	71.49154
2003	65.61505
2004	65.63825
2005	56.42855
2007	59.09119
2008	66.69749
2012	63.23995
2013	62.54678
2016	58.35247
2017	56.24221