The estimated literacy rate of people aged 15–24 years is about 74% according to UNESCO figures. The rate of primary school enrolment rose from 74.5% in 1989 to 78.2% in 1999 and then to 93.0% in 2004 but then fell to 85.4% in 2007. The proportion of pupils completing a primary education fell from 90% in 1991 to 72% in 2004 and up to 78% in 2012.