Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 2900 | Metric tons of contained molybdenum | NA |
| 2004 | 2900 | Metric tons of contained molybdenum | 0.00% |
| 2005 | 3000 | Metric tons of contained molybdenum | 3.45% |
| 2006 | 3100 | Metric tons of contained molybdenum | 3.33% |
| 2007 | 3300 | Metric tons of contained molybdenum | 6.45% |
| 2008 | 3600 | Metric tons of contained molybdenum | 9.09% |
| 2009 | 4562 | Metric tons of contained molybdenum | 26.72% |
| 2010 | 4495 | Metric tons of contained molybdenum | -1.47% |
| 2011 | 4843 | Metric tons of contained molybdenum | 7.74% |
| 2012 | 4800 | Metric tons of contained molybdenum | -0.89% |
| 2013 | 4800 | Metric tons of contained molybdenum | 0.00% |
