Employment, mine and plant, number 10,500 11,700 12,000 11,000 11,000 Net import reliance4 as a percentage of apparent consumption 36 33 37 38 45 Recycling: Old (post-consumer) scrap ... Copper ore and concentrates, copper content 2603.00.0010 1.7¢/kg on lead content. Unrefined copper anodes 7402.00.0000 Free.Web