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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 ... | $1,883,788 | $999,039 | $1,193,834 | $342,170 | $474,536 | $630,583 | $1,140,003 |
| Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ... | $77,239 | $57,419 | $197,609 | $403,890 | $309,560 | $232,082 | $18,880 |
| Total | $1,961,027 | $1,056,458 | $1,391,443 | $746,060 | $784,096 | $862,665 | $1,158,883 |
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