Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 24000 | Metric tons, lead content | NA |
| 2004 | 23000 | Metric tons, lead content | -4.17% |
| 2005 | 36000 | Metric tons, lead content | 56.52% |
| 2006 | 36000 | Metric tons, lead content | 0.00% |
| 2007 | 50000 | Metric tons, lead content | 38.89% |
| 2008 | 60000 | Metric tons, lead content | 20.00% |
| 2009 | 70000 | Metric tons, lead content | 16.67% |
| 2010 | 97000 | Metric tons, lead content | 38.57% |
| 2011 | 94500 | Metric tons, lead content | -2.58% |
| 2012 | 95000 | Metric tons, lead content | 0.53% |
