Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
Year | Production | Unit of Measure | % Change |
2002 | 4600 | Metric tons, cobalt content | NA |
2003 | 4800 | Metric tons, cobalt content | 4.35% |
2004 | 4700 | Metric tons, cobalt content | -2.08% |
2005 | 6300 | Metric tons, cobalt content | 34.04% |
2006 | 6300 | Metric tons, cobalt content | 0.00% |
2007 | 6300 | Metric tons, cobalt content | 0.00% |
2008 | 6200 | Metric tons, cobalt content | -1.59% |
2009 | 6100 | Metric tons, cobalt content | -1.61% |
2010 | 6200 | Metric tons, cobalt content | 1.64% |
2011 | 6100 | Metric tons, cobalt content | -1.61% |
2012 | 6300 | Metric tons, cobalt content | 3.28% |