Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2007 | 7364 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2008 | 1619 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -78.01 % |
| 2009 | 10035 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 519.83 % |