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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,638 | 4,098 | 4,098 |
| 2006 | $27,615 | 12,495 | 12,495 |
| 2007 | $50,287 | 21,433 | 21,433 |
| 2008 | $181,813 | 68,644 | 68,644 |
| 2009 | $177,057 | 147,682 | 147,682 |
| 2010 | $339,571 | 170,603 | 170,603 |
| 2011 | $201,344 | 93,642 | 93,642 |
Note: Quantity represents Weight in kilograms
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