Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
Year | Production | Unit of Measure | % Change |
2008 | 400 | Kilograms | NA |
2009 | 500 | Kilograms | 25.00% |
2010 | 500 | Kilograms | 0.00% |
2011 | 600 | Kilograms | 20.00% |
2012 | 800 | Kilograms | 33.33% |