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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Granulated slag (slag sand) from the mfr. of iron/steel | $441,531 | $1,914,290 | $4,692,827 | $9,154,414 | $20,406,278 | $2,047,321 | $719,844 |
| Total | $441,531 | $1,914,290 | $4,692,827 | $9,154,414 | $20,406,278 | $2,047,321 | $719,844 |
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