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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Refractory cements, mortars, concretes & sim. compositions, other than prod ... | $3,505,328 | $4,112,729 | $4,964,370 | $8,032,544 | $8,690,114 | $7,181,266 | $8,318,465 |
| Total | $3,505,328 | $4,112,729 | $4,964,370 | $8,032,544 | $8,690,114 | $7,181,266 | $8,318,465 |
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