Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 500 | Metric tons of contained molybdenum | NA |
| 2004 | 500 | Metric tons of contained molybdenum | 0.00% |
| 2005 | 575 | Metric tons of contained molybdenum | 15.00% |
| 2006 | 600 | Metric tons of contained molybdenum | 4.35% |
| 2007 | 600 | Metric tons of contained molybdenum | 0.00% |
| 2008 | 500 | Metric tons of contained molybdenum | -16.67% |
| 2009 | 500 | Metric tons of contained molybdenum | 0.00% |
| 2010 | 500 | Metric tons of contained molybdenum | 0.00% |
| 2011 | 557 | Metric tons of contained molybdenum | 11.40% |
| 2012 | 522 | Metric tons of contained molybdenum | -6.28% |
| 2013 | 530 | Metric tons of contained molybdenum | 1.53% |
