Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 42685 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 60500 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 41.74% |
| 2004 | 66028 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 9.14% |
| 2005 | 69368 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 5.06% |
| 2006 | 55455 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -20.06% |
| 2007 | 46335 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -16.45% |
| 2008 | 192514 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 315.48% |
| 2009 | 197400 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.54% |
| 2010 | 204229 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 3.46% |
| 2011 | 192173 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -5.90% |
| 2012 | 194380 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.15% |
