Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 3524 | Metric tons of contained molybdenum | NA |
| 2004 | 3730 | Metric tons of contained molybdenum | 5.85 % |
| 2005 | 4246 | Metric tons of contained molybdenum | 13.83 % |
| 2006 | 2519 | Metric tons of contained molybdenum | -40.67 % |
| 2007 | 6159 | Metric tons of contained molybdenum | 144.50 % |
| 2008 | 7812 | Metric tons of contained molybdenum | 26.84 % |
| 2009 | 7800 | Metric tons of contained molybdenum | -0.15 % |
