Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 64580 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 41400 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -35.89% |
| 2004 | 32310 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -21.96% |
| 2005 | 32112 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -0.61% |
| 2006 | 34444 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 7.26% |
| 2007 | 30859 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -10.41% |
| 2008 | 29002 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -6.02% |
| 2009 | 28159 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.91% |
| 2010 | 36142 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 28.35% |
| 2011 | 36629 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.35% |
| 2012 | 37000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.01% |
