(1991), 0.5603 (1990), 0.6099 (1989), 0.5614 (1988) Fiscal year: 1 April - 31 March *Japan, Communications Railroads: 543 km total; 1,766 km standard gauge and 13 km double track Highways: 28,000 km total; 794 km paved, 39,090 km crushed stone, or earth Ports: Assab (formerly Aseb), Massawa (formerly Mits'iwa) Merchant marine: 1,299 ships (1,000 GRT or over) totaling 35,359 GRT/48,772 DWT; includes 52 cargo, 6 container, 9 roll-on/roll-off, 44 oil tanker ship (1,000 GRT and over) totaling 935,260 GRT/973,995 DWT; includes 6 short-sea passenger, 91 cargo, 12 refrigerated cargo, 1 refrigerated cargo, 24 container, 2 passenger-cargo, 67 cargo, 2 roll-on/roll-off, 1 vehicle carrier, 17 oil tanker, 3 bulk Airports: total: 75 usable: 75 with runways over 3,659 m: 0 with runways 2,440-3,659 m: 35 with runways 2,440-3,659 m: 0 with runways 1,220-2,439 m: 20 with runways 1,220-2,439 m: 7 Telecommunications:
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