Year	% of official school-age population
1999	85.96185
2000	86.03336
2001	86.57834
2002	88.09822
2003	88.53647
2004	86.59336
2005	86.9813
2006	87.22897
2007	86.75605
2010	74.70441
2013	70.70708
2014	70.88447
2015	71.60026
2017	70.7012