Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 148600 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 188000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 26.51 % |
| 2004 | 199000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 5.85 % |
| 2005 | 215691 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 8.39 % |
| 2006 | 210029 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.63 % |
| 2007 | 214576 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.16 % |
| 2008 | 188048 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -12.36 % |
| 2009 | 192538 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.39 % |
