|Years ended December 31,|
|Fresh Tailings From El Teniente|
|Copper produced (M lb)||25.60||19.27||21.3||21.8|
|Historic Tailings From El Teniente|
|Copper produced (M lb)||29.31||38.89||43.7||39.3|
|Toll Processing (1)|
|Copper produced (M lb)||1.23||11.59||0||1.5|
|Total copper produced (M lb)||56.18||69.75||65.0||62.5|
|MVC’s copper price (US$/lb)||2.94||2.73||2.92||2.83|
|Cash cost (US$/lb)2||1.76||1.82||1.56||1.64|
1 In 2019 and 2020, MVC had an agreement to toll process DET smelter slag. In 2017 MVC had a tolling agreement with Compañia Minera Maricunga to process copper concentrates.
2 Cash cost is a non-GAAP measure equal to the aggregate of smelting and refining charges, tolling costs net of inventory adjustments and administration costs, net of by-product credits.