Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 2200 | Metric tons of contained molybdenum | NA |
| 2004 | 1800 | Metric tons of contained molybdenum | -18.18% |
| 2005 | 2476 | Metric tons of contained molybdenum | 37.56% |
| 2006 | 2500 | Metric tons of contained molybdenum | 0.97% |
| 2007 | 3600 | Metric tons of contained molybdenum | 44.00% |
| 2008 | 3800 | Metric tons of contained molybdenum | 5.56% |
| 2009 | 2500 | Metric tons of contained molybdenum | -34.21% |
| 2010 | 3900 | Metric tons of contained molybdenum | 56.00% |
| 2011 | 3400 | Metric tons of contained molybdenum | -12.82% |
| 2012 | 3900 | Metric tons of contained molybdenum | 14.71% |
| 2013 | 4000 | Metric tons of contained molybdenum | 2.56% |
