29% per month (first quarter 1993) Unemployment rate: 30% (1988 est.) Inland waterways: about 1,200 km Pipelines: crude oil 26 km; petroleum products 1,429 km, natural gas 2,948 km Ports: Lagos, Port Harcourt, Calabar, Warri, Onne, Sapele Merchant marine: 7 cargo ships (1,000 GRT or over) totaling 511,522 GRT/720,270 DWT; includes 1 passenger-cargo, 125 cargo, 72 container, 7 roll-on/roll-off, 21 oil tanker, 3 specialized tanker, 4 chemical tanker Airports: total: 2 useable: 2 with runways over 3,659 m: 0 with
incapable