Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2009 | 95 | Kilograms | NA |
| 2010 | 9847 | Kilograms | 10,265.26% |
| 2011 | 7000 | Kilograms | -28.91% |
| 2012 | 8500 | Kilograms | 21.43% |
