Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 10652 | Metric tons, lead content | NA |
| 2004 | 14734 | Metric tons, lead content | 38.32% |
| 2005 | 23616 | Metric tons, lead content | 60.28% |
| 2006 | 15764 | Metric tons, lead content | -33.25% |
| 2007 | 24574 | Metric tons, lead content | 55.89% |
| 2008 | 25286 | Metric tons, lead content | 2.90% |
| 2009 | 15890 | Metric tons, lead content | -37.16% |
| 2010 | 19650 | Metric tons, lead content | 23.66% |
| 2011 | 15100 | Metric tons, lead content | -23.16% |
| 2012 | 16500 | Metric tons, lead content | 9.27% |