Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 9561 | Metric tons of contained molybdenum | NA |
| 2004 | 14246 | Metric tons of contained molybdenum | 49.00% |
| 2005 | 17325 | Metric tons of contained molybdenum | 21.61% |
| 2006 | 17209 | Metric tons of contained molybdenum | -0.67% |
| 2007 | 16737 | Metric tons of contained molybdenum | -2.74% |
| 2008 | 16721 | Metric tons of contained molybdenum | -0.10% |
| 2009 | 12297 | Metric tons of contained molybdenum | -26.46% |
| 2010 | 16963 | Metric tons of contained molybdenum | 37.94% |
| 2011 | 19141 | Metric tons of contained molybdenum | 12.84% |
| 2012 | 16790 | Metric tons of contained molybdenum | -12.28% |
| 2013 | 18140 | Metric tons of contained molybdenum | 8.04% |
