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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,317 | 712 | 712 |
| 2006 | $20,746 | 22,164 | 22,164 |
| 2007 | $44,813 | 41,757 | 41,757 |
| 2008 | $87,645 | 36,062 | 36,062 |
| 2009 | $31,348 | 27,689 | 27,689 |
| 2010 | $35,244 | 30,136 | 30,136 |
| 2011 | $56,840 | 36,841 | 36,841 |
Note: Quantity represents Weight in kilograms
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