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 | 132400 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 6.77% |
| 2009 | 115500 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -12.76% |
| 2010 | 92000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -20.35% |
| 2011 | 60000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -34.78% |
| 2012 | 60000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.00% |
