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 | 48600 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -49.85% |
| 2010 | 61900 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 27.37% |
| 2011 | 60000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -3.07% |
| 2012 | 58000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -3.33% |
