Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2008 | 150 | Metric tons, tungsten content | NA |
| 2009 | 225 | Metric tons, tungsten content | 50.00% |
| 2010 | 240 | Metric tons, tungsten content | 6.67% |
| 2011 | 497 | Metric tons, tungsten content | 107.08% |
| 2012 | 542 | Metric tons, tungsten content | 9.05% |
| 2013 | 510 | Metric tons, tungsten content | -5.90% |
