Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
Year | Production | Unit of Measure | % Change |
2003 | 3000 | Metric tons | NA |
2004 | 3000 | Metric tons | 0.00% |
2005 | 1878 | Metric tons | -37.40% |
2006 | 3138 | Metric tons | 67.09% |
2007 | 700 | Metric tons | -77.69% |
2008 | 700 | Metric tons | 0.00% |
2009 | 4121 | Metric tons | 488.71% |
2009 | 700 | Metric tons | -83.01% |
2010 | 4100 | Metric tons | 485.71% |
2011 | 4100 | Metric tons | 0.00% |
2012 | 4100 | Metric tons | 0.00% |
2013 | 4100 | Metric tons | 0.00% |