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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Pumice stone, crude/in irregular pieces, incl. crushed pumice (bimskies) | $18,545 | $1,860 | | | | |
| Pumice stone (excl. crude/in irregular pieces/crushed (bimskies)) | | | $12,630 | $7,150 | $8,250 | $19,599 |
| Total | $18,545 | $1,860 | $12,630 | $7,150 | $8,250 | $19,599 |
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