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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), in ... | $1,487,003 | $2,119,269 | $2,265,721 | $2,899,466 | $3,619,486 | $3,199,906 | $5,850,025 |
| Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ... | $293,442 | $531,627 | $960,805 | $1,279,449 | $1,973,156 | $1,749,045 | $1,955,407 |
| Total | $1,780,445 | $2,650,896 | $3,226,526 | $4,178,915 | $5,592,642 | $4,948,951 | $7,805,432 |
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