Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 483 | Kilograms | NA |
| 2003 | 2855 | Kilograms | 491.10% |
| 2004 | 3229 | Kilograms | 13.10% |
| 2005 | 750 | Kilograms | -76.77% |
| 2006 | 750 | Kilograms | 0.00% |
| 2007 | 750 | Kilograms | 0.00% |
| 2008 | 500 | Kilograms | -33.33% |
| 2009 | 500 | Kilograms | 0.00% |
| 2010 | 300 | Kilograms | -40.00% |
| 2011 | 300 | Kilograms | 0.00% |
| 2012 | 300 | Kilograms | 0.00% |
