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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Granulated slag (slag sand) from the mfr. of iron/steel | $2,440,746 | $2,292,977 | $3,925,182 | $3,454,395 | $3,233,427 | $4,184,429 | $4,036,035 |
| Total | $2,440,746 | $2,292,977 | $3,925,182 | $3,454,395 | $3,233,427 | $4,184,429 | $4,036,035 |
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