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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,233 | 694 | 694 |
| 2006 | $7,633 | 1,045 | 1,045 |
| 2007 | $13,186 | 2,254 | 2,254 |
| 2008 | $54,355 | 10,547 | 10,547 |
| 2009 | $21,389 | 2,706 | 2,706 |
| 2010 | $17,663 | 1,850 | 1,850 |
| 2011 | $7,993 | 1,597 | 1,597 |
Note: Quantity represents Weight in kilograms
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