Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 141558 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 144985 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.42% |
| 2004 | 145906 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.64% |
| 2005 | 158582 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 8.69% |
| 2006 | 172747 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 8.93% |
| 2007 | 214053 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 23.91% |
| 2008 | 383619 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 79.22% |
| 2009 | 430879 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 12.32% |
| 2010 | 411409 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -4.52% |
| 2011 | 427129 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 3.82% |
| 2012 | 405000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -5.18% |
