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alloy alumina aluminum aluminum scrap Annually and Five-Year Australia average value bauxite Belgium blister copper Brazil Bureau of Mines Canada Census cents per pound chromite chromium cobalt cobalt metal concentrate Consumption of Refined copper scrap countries decline demand Disposition of U.S. Distribution of World economic exports ferroalloy ferrochrome ferrochromium ferromanganese Figure Five-Year Moving–Average Trends France Germany F.R. gibbsitic grade increase Italy Japan lead scrap leading consumers long ton manganese Metal Statistics metallurgical metric tons Mineral Commodity Minerals Yearbook output owing to rounding percent of total percentages primary probably problem projections ratio refined aluminum refined copper refined lead refined metal refined zinc refinery relative secondary short tons shortage significant smelters smelting Sources and Disposition South Africa stockpile suppliers Surinam total supply U.S. Bureau U.S. imports U.S. Industrial U.S. Supply United Kingdom USSR World Apparent Consumption world consumption World Trade Yearbook and unpublished Zaire Zambia