Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 3636 | Metric tons, tungsten content | NA |
| 2005 | 384 | Metric tons, tungsten content | -89.44% |
| 2006 | 1983 | Metric tons, tungsten content | 416.41% |
| 2007 | 2305 | Metric tons, tungsten content | 16.24% |
| 2008 | 2277 | Metric tons, tungsten content | -1.21% |
| 2009 | 1964 | Metric tons, tungsten content | -13.75% |
| 2010 | 420 | Metric tons, tungsten content | -78.62% |
| 2011 | 1966 | Metric tons, tungsten content | 368.10% |
| 2012 | 2194 | Metric tons, tungsten content | 11.60% |
| 2013 | 2128 | Metric tons, tungsten content | -3.01% |
