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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $259,200 | 270,671 | 413 |
| 2006 | $395,700 | 366,326 | 530 |
| 2007 | $761,700 | 636,692 | 1,028 |
| 2008 | $1,095,400 | 574,664 | 862 |
| 2009 | $447,400 | 350,799 | 478 |
| 2010 | $863,400 | 691,160 | 972 |
| 2011 | $2,053,600 | 1,607,074 | 2,444 |
Note: Quantity represents Volume in cubic meters
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