Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
Year | Production | Unit of Measure | % Change |
2004 | 30 | Thousand metric tons of contained nitrogen | NA |
2005 | 30 | Thousand metric tons of contained nitrogen | 0.00% |
2006 | 10 | Thousand metric tons of contained nitrogen | -66.67% |
2007 | 10 | Thousand metric tons of contained nitrogen | 0.00% |
2008 | 10 | Thousand metric tons of contained nitrogen | 0.00% |
2009 | 30 | Thousand metric tons of contained nitrogen | 200.00% |
2010 | 126 | Thousand metric tons of contained nitrogen | 320.00% |
2011 | 143 | Thousand metric tons of contained nitrogen | 13.49% |
2012 | 143 | Thousand metric tons of contained nitrogen | 0.00% |