Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 1232997 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 1372790 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 11.34% |
| 2004 | 1209006 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -11.93% |
| 2005 | 1201671 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -0.61% |
| 2006 | 1203364 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.14% |
| 2007 | 1444381 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 20.03% |
| 2008 | 1602597 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 10.95% |
| 2009 | 1512931 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -5.60% |
| 2010 | 1470450 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -2.81% |
| 2011 | 1256383 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -14.56% |
| 2012 | 1280975 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 1.96% |
