Exact population: 3,191,319 (July 2006 est.) Literacy: Total population: 92.6%; male: 93.2%; female: 91.9% Ethnicities: Mestizo (mixed Amerindian and white) 70%, Amerindian and mixed (West Indian) 14%, white 10%, Amerindian 6% Land boundaries: Total: 555 km; border countries: Colombia 225 km, Costa Rica 330 km Terrain: Interior mostly steep, rugged mountains and dissected, upland plains; coastal areas largely plains and rolling hills Extremes: Lowest point: Pacific Ocean 0 m; highest point: Volcan de Chiriqui 3,475 m Imports: US 33.3%, Netherlands Antilles 8.1%, Japan 6%, Costa Rica 5.7%, Mexico 4.6%, Colombia 4.2% (2004) Exports: US 50.5%, Sweden 6.6%, Spain 5.1%, Netherlands 4.4%, Costa Rica 4.2% (2004) Industries: Construction, brewing, cement and other construction materials, sugar milling