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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Pumice stone, crude/in irregular pieces, incl. crushed pumice (bimskies) | $18,655 | $380,671 | | | | |
| Pumice stone (excl. crude/in irregular pieces/crushed (bimskies)) | $53,478 | $54,023 | $186,704 | $228,405 | $207,897 | $262,610 |
| Total | $72,133 | $434,694 | $186,704 | $228,405 | $207,897 | $262,610 |
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