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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Pumice stone, crude/in irregular pieces, incl. crushed pumice (bimskies) | $6,416 | $59 | | | | |
| Pumice stone (excl. crude/in irregular pieces/crushed (bimskies)) | | $7,748 | $20,183 | $11,945 | $33,301 | $127,867 |
| Total | $6,416 | $7,807 | $20,183 | $11,945 | $33,301 | $127,867 |
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