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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 ... | $1,243,674 | $1,831,217 | $5,339,100 | $7,225,004 | $6,388,039 | $5,560,450 | $6,242,085 |
| Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ... | $21,020 | $395,023 | $715,547 | $949,259 | $833,922 | $642,348 | $849,163 |
| Total | $1,264,694 | $2,226,240 | $6,054,647 | $8,174,263 | $7,221,961 | $6,202,798 | $7,091,248 |
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