Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 13200 | Metric tons of contained vanadium | NA |
| 2004 | 16000 | Metric tons of contained vanadium | 21.21% |
| 2005 | 17000 | Metric tons of contained vanadium | 6.25% |
| 2006 | 17500 | Metric tons of contained vanadium | 2.94% |
| 2007 | 19000 | Metric tons of contained vanadium | 8.57% |
| 2009 | 29000 | Metric tons of contained vanadium | 52.63% |
| 2010 | 32000 | Metric tons of contained vanadium | 10.34% |
| 2011 | 36000 | Metric tons of contained vanadium | 12.50% |
| 2012 | 39000 | Metric tons of contained vanadium | 8.33% |
| 2013 | 41000 | Metric tons of contained vanadium | 5.13% |
