Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 9 | Kilograms | NA |
| 2004 | 33 | Kilograms | 266.67% |
| 2005 | 30 | Kilograms | -9.09% |
| 2006 | 30 | Kilograms | 0.00% |
| 2007 | 30 | Kilograms | 0.00% |
| 2008 | 30 | Kilograms | 0.00% |
| 2009 | 30 | Kilograms | 0.00% |
| 2010 | 500 | Kilograms | 1,566.67% |
| 2011 | 12000 | Kilograms | 2,300.00% |
| 2012 | 10000 | Kilograms | -16.67% |
