Year	% of official school-age population
2000	51.78242
2001	52.85107
2002	56.84445
2003	57.68757
2004	58.305
2005	60.21446
2006	62.63986
2007	65.77342
2008	68.47572
2009	68.24735
2010	67.75337
2011	71.56651
2012	71.61131
2013	71.69442
2014	72.07514
2015	71.6794
2016	70.95845
2017	70.43447
2018	69.91279