Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 1793 | Metric tons of contained molybdenum | NA |
| 2004 | 1141 | Metric tons of contained molybdenum | -36.36% |
| 2005 | 1188 | Metric tons of contained molybdenum | 4.12% |
| 2006 | 1404 | Metric tons of contained molybdenum | 18.18% |
| 2007 | 1978 | Metric tons of contained molybdenum | 40.88% |
| 2008 | 1899 | Metric tons of contained molybdenum | -3.99% |
| 2009 | 2140 | Metric tons of contained molybdenum | 12.69% |
| 2010 | 2198 | Metric tons of contained molybdenum | 2.71% |
| 2011 | 1960 | Metric tons of contained molybdenum | -10.83% |
| 2012 | 1903 | Metric tons of contained molybdenum | -2.91% |
| 2013 | 1900 | Metric tons of contained molybdenum | -0.16% |