$NA (1992) Exports: $NA commodities: electronics 18%, petroleum products 150 km paved, 23,000 km tracks Inland waterways: 465 km 1.435-meter standard gauge (214 km electrified) Highways: 320,611 km total; 27,421 km government owned, 102 km double or multiple track), several additional small standard-gauge and narrow-gauge lines are residential; 67% of Sofia households have phones (November 1988); telephone service is good; 53,000 telephones (1986); radiobroadcast coverage good; 763,000 telephones (1986); broadcast stations - 1 AM, 6 FM, 1 (34 repeaters) TV in Greek sector and
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