Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 446104 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 413991 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -7.20% |
| 2004 | 426360 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.99% |
| 2005 | 476307 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 11.71% |
| 2006 | 432347 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -9.23% |
| 2007 | 426509 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -1.35% |
| 2008 | 453588 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 6.35% |
| 2009 | 489766 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 7.98% |
| 2010 | 570004 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 16.38% |
| 2011 | 631859 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 10.85% |
| 2012 | 660349 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 4.51% |
