Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 152200 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 153900 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.12 % |
| 2004 | 140300 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -8.84 % |
| 2005 | 135600 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -3.35 % |
| 2006 | 126000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -7.08 % |
| 2007 | 124000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -1.59 % |
| 2008 | 125000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.81 % |
| 2009 | 100000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -20.00 % |
