Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 230 | Metric tons of contained molybdenum | NA |
| 2004 | 230 | Metric tons of contained molybdenum | 0.00% |
| 2005 | 230 | Metric tons of contained molybdenum | 0.00% |
| 2006 | 250 | Metric tons of contained molybdenum | 8.70% |
| 2007 | 400 | Metric tons of contained molybdenum | 60.00% |
| 2008 | 400 | Metric tons of contained molybdenum | 0.00% |
| 2009 | 380 | Metric tons of contained molybdenum | -5.00% |
