Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 600 | Kilograms | NA |
| 2003 | 600 | Kilograms | 0.00% |
| 2004 | 600 | Kilograms | 0.00% |
| 2005 | 600 | Kilograms | 0.00% |
| 2006 | 600 | Kilograms | 0.00% |
| 2007 | 600 | Kilograms | 0.00% |
| 2008 | 600 | Kilograms | 0.00% |
| 2009 | 5055 | Kilograms | 742.50% |
| 2010 | 4381 | Kilograms | -13.33% |
| 2011 | 4089 | Kilograms | -6.67% |
| 2012 | 6666 | Kilograms | 63.02% |
