Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 130000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 159000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 22.31% |
| 2004 | 179000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 12.58% |
| 2005 | 180000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.56% |
| 2006 | 190000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 5.56% |
| 2007 | 185000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.63% |
| 2008 | 204000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 10.27% |
| 2009 | 225000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 10.29% |
| 2010 | 269000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 19.56% |
| 2011 | 275000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.23% |
| 2012 | 288000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 4.73% |
