Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 160 | Metric tons of contained vanadium | NA |
| 2004 | 150 | Metric tons of contained vanadium | -6.25% |
| 2005 | 100 | Metric tons of contained vanadium | -33.33% |
