Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 90487 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 69200 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -23.52 % |
| 2004 | 74600 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 7.80 % |
| 2005 | 128000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 71.58 % |
| 2006 | 95000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -25.78 % |
| 2007 | 57700 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -39.26 % |
| 2008 | 96900 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 67.94 % |
| 2009 | 98000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.14 % |
