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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Granulated slag (slag sand) from the mfr. of iron/steel | $6,116,603 | $6,032,177 | $7,441,270 | $7,577,689 | $5,134,001 | $4,537,001 | $5,623,503 |
| Total | $6,116,603 | $6,032,177 | $7,441,270 | $7,577,689 | $5,134,001 | $4,537,001 | $5,623,503 |
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