Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 1550000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 2030000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 30.97 % |
| 2004 | 2390000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 17.73 % |
| 2005 | 2550000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 6.69 % |
| 2006 | 2840000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 11.37 % |
| 2007 | 3040000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 7.04 % |
| 2008 | 3200000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 5.26 % |
| 2009 | 3100000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -3.13 % |
