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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Refractory cements, mortars, concretes & sim. compositions, other than prod ... | $1,904,487 | $2,233,452 | $3,991,604 | $2,799,013 | $4,007,918 | $1,025,079 |
| Total | $1,904,487 | $2,233,452 | $3,991,604 | $2,799,013 | $4,007,918 | $1,025,079 |
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