Exact population: 193,413 (July 2006 est.) Literacy: Total population: 79.3%; male: 85%; female: 62% Ethnicities: Mestico, angolares (descendants of Angolan slaves), forros (descendants of freed slaves), servicais (contract laborers from Angola, Mozambique, and Cape Verde), tongas (children of servicais born on the islands), Europeans (primarily Portuguese) Land boundaries: 0 km Terrain: Volcanic, mountainous Extremes: Lowest point: Atlantic Ocean 0 m; highest point: Pico de Sao Tome 2,024 m Imports: Portugal 52.3%, Germany 9.5%, US 6%, Netherlands 4.8%, South Africa 4.3%, Belgium 4.1% (2004) Exports: Netherlands 37.3%, China 12.8%, Belgium 7.6%, Germany 6.6%, Poland 5.3%, France 5%, Brazil 4.1% (2004) Industries: Light construction, textiles, soap, beer; fish processing; timber