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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Granulated slag (slag sand) from the mfr. of iron/steel | $2,057,556 | $3,575,588 | $21,346,084 | $41,668,780 | $7,295,954 | $6,318,938 | $4,266,825 |
| Total | $2,057,556 | $3,575,588 | $21,346,084 | $41,668,780 | $7,295,954 | $6,318,938 | $4,266,825 |
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