Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 784000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 768000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.04% |
| 2004 | 739000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -3.78% |
| 2005 | 748000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.22% |
| 2006 | 727000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.81% |
| 2007 | 803000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 10.45% |
| 2008 | 778000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -3.11% |
| 2009 | 736000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -5.40% |
| 2010 | 748000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.63% |
| 2011 | 769000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.81% |
| 2012 | 738000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -4.03% |
