Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2009 | 800 | Kilograms | NA |
| 2010 | 870 | Kilograms | 8.75% |
| 2011 | 1675 | Kilograms | 92.53% |
| 2012 | 2115 | Kilograms | 26.27% |
