Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 2763 | Metric tons of contained molybdenum | NA |
| 2004 | 2950 | Metric tons of contained molybdenum | 6.77% |
| 2005 | 3000 | Metric tons of contained molybdenum | 1.69% |
| 2006 | 3900 | Metric tons of contained molybdenum | 30.00% |
| 2007 | 4080 | Metric tons of contained molybdenum | 4.62% |
| 2008 | 4250 | Metric tons of contained molybdenum | 4.17% |
| 2009 | 4365 | Metric tons of contained molybdenum | 2.71% |
| 2010 | 4335 | Metric tons of contained molybdenum | -0.69% |
| 2011 | 4817 | Metric tons of contained molybdenum | 11.12% |
| 2012 | 6500 | Metric tons of contained molybdenum | 34.94% |
| 2013 | 6700 | Metric tons of contained molybdenum | 3.08% |
