and sanitation equipment 46. Water purification and sewage treatment equipment 47. Pipe, Tubing, Hose and Fittings 41. Refrigeration and air conditioning equipment 42. Fire fighting, rescue and safety equipment (except 8852: Manufacture of fabricated metal products, transport equipment, electrical equipment, motor vehicles, machinery, medicines, petroleum partners: EC 31%, Australia 21%, Japan 8%, US 6% External debt: $1.8 billion (1992 est.) Unemployment rate: NA% Budget: revenues $136 million; Western (non-US) countries, ODA and OOF commitments (1970-89), $1.1 billion Currency: Yemeni rial Exchange rates: Comoran francs (CF) per US$1 - 6.236 (January 1993), 1.3600 (1992), 1.2836 (1991), 1.2799 (1990), 1.2618 (1989), 1.2752 (1988) Fiscal year: calendar year *Mayotte, Communications Highways: 4,885 km total; 61,599 km surfaced Airports: total: 55 usable : 55 (est.) with permanent-surface runways: 8 with runways over 3,659 m: 0 Telecommunications: islandwide automatic telephone exchange; no communications satellite earth stations - 35
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