Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 390000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 395000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.28% |
| 2004 | 360000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -8.86% |
| 2005 | 364300 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.19% |
| 2006 | 404600 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 11.06% |
| 2007 | 446000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 10.23% |
| 2008 | 386000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -13.45% |
| 2009 | 387400 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.36% |
| 2010 | 398400 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.84% |
| 2011 | 405300 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.73% |
| 2012 | 370500 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -8.59% |
