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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 ... | $806,121 | $1,013,291 | $629,070 | $708,534 | $302,084 | $306,986 | $595,964 |
| Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ... | $1,287,608 | $2,014,851 | $716,672 | $669,482 | $1,039,107 | $1,611,383 | $678,589 |
| Total | $2,093,729 | $3,028,142 | $1,345,742 | $1,378,016 | $1,341,191 | $1,918,369 | $1,274,553 |
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