Year	% of official school-age population
2000	66.14933
2001	64.84963
2002	67.3008
2003	64.49013
2004	63.19083
2005	62.43334
2006	60.05111
2007	57.19451
2008	52.66022
2017	44.91038
2018	47.07235
2019	46.80753