Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2003 | 9740 | Metric tons, lead content | NA |
| 2004 | 10267 | Metric tons, lead content | 5.41% |
| 2005 | 11231 | Metric tons, lead content | 9.39% |
| 2006 | 11955 | Metric tons, lead content | 6.45% |
| 2007 | 22798 | Metric tons, lead content | 90.70% |
| 2008 | 81602 | Metric tons, lead content | 257.93% |
| 2009 | 84538 | Metric tons, lead content | 3.60% |
| 2010 | 72803 | Metric tons, lead content | -13.88% |
| 2011 | 100051 | Metric tons, lead content | 37.43% |
| 2012 | 100000 | Metric tons, lead content | -0.05% |