Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 5800 | Metric tons of contained vanadium | NA |
| 2004 | 10900 | Metric tons of contained vanadium | 87.93 % |
| 2005 | 15100 | Metric tons of contained vanadium | 38.53 % |
| 2006 | 15100 | Metric tons of contained vanadium | 0.00 % |
| 2007 | 14500 | Metric tons of contained vanadium | -3.97 % |
