Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 9092 | Metric tons of contained molybdenum | NA |
| 2004 | 9519 | Metric tons of contained molybdenum | 4.70% |
| 2005 | 7667 | Metric tons of contained molybdenum | -19.46% |
| 2006 | 7117 | Metric tons of contained molybdenum | -7.17% |
| 2007 | 6819 | Metric tons of contained molybdenum | -4.19% |
| 2008 | 7724 | Metric tons of contained molybdenum | 13.27% |
| 2009 | 8721 | Metric tons of contained molybdenum | 12.91% |
| 2010 | 8648 | Metric tons of contained molybdenum | -0.84% |
| 2011 | 8674 | Metric tons of contained molybdenum | 0.30% |
| 2012 | 9063 | Metric tons of contained molybdenum | 4.48% |
| 2013 | 7618 | Metric tons of contained molybdenum | -15.94% |