Exchange rates: Pakistani rupees (PRs) per US$1 - 1.4837 (January 1993), 2.5475 (1992), 2.7501 (1991), 1.7048 (1990), 2.7088 (1989), 2.6188 (1988) Fiscal year: calendar year *Zambia, Communications Railroads: 1,655 km total (1988) Inland waterways: 3,997 km navigable Airports: total: 8 usable: 7 with permanent-surface runways: 4 with runways over
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