|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $1,148,920 | $2,588,733 | $2,145,987 | $1,874,423 | $1,959,503 | $454,064 | $608,358 |
| Total | $1,148,920 | $2,588,733 | $2,145,987 | $1,874,423 | $1,959,503 | $454,064 | $608,358 |
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