by the Central Intelligence Agency, The World Factbook (1982)
“ ECONOMY Economic activity in Gibraltar centers on commerce and large British naval and air bases; nearly all trade in the well-developed port is transit trade and port serves also as important supply depot for fuel, water, and ships' wares; recently built dockyards and machine shops provide maintenance and repair services to 3,500-4,000 vessels that call at Gibraltar each year; UK military establishments and civil government employ nearly half the insured labor force and a recently announced decision to close the Royal Navy dockyard will significantly add to unemployment ”
