Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 916220 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 788063 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -13.99% |
| 2004 | 791373 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.42% |
| 2005 | 666654 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -15.76% |
| 2006 | 637956 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -4.30% |
| 2007 | 622985 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.35% |
| 2008 | 750502 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 20.47% |
| 2009 | 699145 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -6.84% |
| 2010 | 649065 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -7.16% |
| 2011 | 622600 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -4.08% |
| 2012 | 641260 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 3.00% |
