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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $51,546 | 30,360 | 30,360 |
| 2006 | $19,604 | 10,487 | 10,487 |
| 2007 | $9,503 | 4,081 | 4,081 |
| 2008 | $119,690 | 25,742 | 25,742 |
| 2009 | $17,915 | 4,196 | 4,196 |
| 2010 | $10,943 | 1,904 | 1,904 |
| 2011 | $3,549 | 245 | 245 |
Note: Quantity represents Weight in kilograms
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