Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 38600 | Metric tons, lead content | NA |
| 2004 | 31300 | Metric tons, lead content | -18.91 % |
| 2005 | 45800 | Metric tons, lead content | 46.33 % |
| 2006 | 53000 | Metric tons, lead content | 15.72 % |
| 2007 | 44800 | Metric tons, lead content | -15.47 % |
| 2008 | 40000 | Metric tons, lead content | -10.71 % |
| 2009 | 40000 | Metric tons, lead content | 0.00 % |
