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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Pumice stone, crude/in irregular pieces, incl. crushed pumice (bimskies) | $16,231 | $25,122 | | | | |
| Pumice stone (excl. crude/in irregular pieces/crushed (bimskies)) | $8,305 | $331 | $40,943 | $64,292 | $73,415 | $40,960 |
| Total | $24,536 | $25,453 | $40,943 | $64,292 | $73,415 | $40,960 |
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