Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 5148 | Metric tons, cobalt content | NA |
| 2003 | 4327 | Metric tons, cobalt content | -15.95% |
| 2004 | 5060 | Metric tons, cobalt content | 16.94% |
| 2005 | 5767 | Metric tons, cobalt content | 13.97% |
| 2006 | 7115 | Metric tons, cobalt content | 23.37% |
| 2007 | 8692 | Metric tons, cobalt content | 22.16% |
| 2008 | 8953 | Metric tons, cobalt content | 3.00% |
| 2009 | 3919 | Metric tons, cobalt content | -56.23% |
| 2010 | 4636 | Metric tons, cobalt content | 18.30% |
| 2011 | 6836 | Metric tons, cobalt content | 47.45% |
| 2012 | 6625 | Metric tons, cobalt content | -3.09% |
