| http://www.w3.org/ns/prov#value | - There were approximately 3.18 million metric tons of copper stocks in the overall global copper market in 2012, of which approximately 580,000 metric tons of copper stocks were registered within systems or exchanges such as the LME, COMEX and the Shanghai Futures Exchange (???SHFE???) (and subject to the applicable exchange???s rules and regulations) and approximately 2.60 million metric tons of c
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