Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 10000 | Metric tons, cobalt content | NA |
| 2003 | 11300 | Metric tons, cobalt content | 13.00% |
| 2004 | 10000 | Metric tons, cobalt content | -11.50% |
| 2005 | 9300 | Metric tons, cobalt content | -7.00% |
| 2006 | 8000 | Metric tons, cobalt content | -13.98% |
| 2007 | 7500 | Metric tons, cobalt content | -6.25% |
| 2008 | 7000 | Metric tons, cobalt content | -6.67% |
| 2009 | 4900 | Metric tons, cobalt content | -30.00% |
| 2010 | 6200 | Metric tons, cobalt content | 26.53% |
| 2011 | 5400 | Metric tons, cobalt content | -12.90% |
| 2012 | 4200 | Metric tons, cobalt content | -22.22% |
