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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,522 | 3,430 | 3,430 |
| 2006 | $2,545 | 2,772 | 2,772 |
| 2007 | $6,065 | 17,320 | 17,320 |
| 2008 | $13,539 | 12,691 | 12,691 |
| 2009 | $15,858 | 12,979 | 12,979 |
| 2010 | $21,884 | 14,547 | 14,547 |
| 2011 | $48,916 | 29,139 | 29,139 |
Note: Quantity represents Weight in kilograms
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