Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 14600 | Metric tons, cobalt content | NA |
| 2003 | 14800 | Metric tons, cobalt content | 1.37% |
| 2004 | 20200 | Metric tons, cobalt content | 36.49% |
| 2005 | 24500 | Metric tons, cobalt content | 21.29% |
| 2006 | 27100 | Metric tons, cobalt content | 10.61% |
| 2007 | 25400 | Metric tons, cobalt content | -6.27% |
| 2008 | 32300 | Metric tons, cobalt content | 27.17% |
| 2009 | 40000 | Metric tons, cobalt content | 23.84% |
| 2010 | 60000 | Metric tons, cobalt content | 50.00% |
| 2011 | 60000 | Metric tons, cobalt content | 0.00% |
| 2012 | 51000 | Metric tons, cobalt content | -15.00% |
