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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Granulated slag (slag sand) from the mfr. of iron/steel | $1,891,000 | $5,046,365 | $1,076,425 | $113,395 | $224,509 | $1,222,482 | $7,337,659 |
| Total | $1,891,000 | $5,046,365 | $1,076,425 | $113,395 | $224,509 | $1,222,482 | $7,337,659 |
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