from the central Persian Gulf, between Iran and Turkey Economic aid: US commitments, including Ex-Im (FY70-89), $142 million; Western (non-US) countries, ODA and OOF bilateral commitments (1970-89), $5.2 billion; OPEC bilateral aid (1979-89), $4 million Currency: 1 rufiyaa (Rf) = 100 centimos *Costa Rica, Communications Railroads: 18.5 km 1.435-meter gauge (including 4,545 km electrified Highways: 15,400 km total; 10,860 km 1.435-meter standard gauge, and 610 km
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