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| Commodity | 2005 | 2006 | 2008 | 2010 | 2011 |
| Industrial diamonds, unwkd./simply sawn/cleaved/bruted | | $2,826 | $1,589 | | |
| Industrial diamonds, wkd. but not mounted/set | $1,577 | | $17 | $4,049 | $650 |
| Diamonds, non-industrial other than unwkd./simply sawn/cleaved/bruted | | | | | $3,956 |
| Total | $1,577 | $2,826 | $1,606 | $4,049 | $4,606 |
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