Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2005 | 300 | Metric tons, cobalt content | NA |
| 2006 | 900 | Metric tons, cobalt content | 200.00% |
| 2007 | 1000 | Metric tons, cobalt content | 11.11% |
| 2008 | 1200 | Metric tons, cobalt content | 20.00% |
| 2009 | 1500 | Metric tons, cobalt content | 25.00% |
| 2010 | 2200 | Metric tons, cobalt content | 46.67% |
| 2011 | 2200 | Metric tons, cobalt content | 0.00% |
| 2012 | 2600 | Metric tons, cobalt content | 18.18% |
