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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 | 2011 |
| Pumice stone, crude/in irregular pieces, incl. crushed pumice (bimskies) | | $4,344 | | | | |
| Pumice stone (excl. crude/in irregular pieces/crushed (bimskies)) | $1,693 | $36,047 | $115 | $540 | $2,280 | $6,769 |
| Total | $1,693 | $40,391 | $115 | $540 | $2,280 | $6,769 |
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