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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,477 | 1,431 | 1,431 |
| 2006 | $74,048 | 8,207 | 8,207 |
| 2007 | $300,813 | 25,794 | 25,794 |
| 2008 | $105,544 | 6,562 | 6,562 |
| 2009 | $9,026 | 441 | 441 |
| 2010 | $125,969 | 7,789 | 7,789 |
| 2011 | $16,729 | 4,203 | 4,203 |
Note: Quantity represents Weight in kilograms
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