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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $148 | 24 | 24 |
| 2006 | $1,560 | 200 | 200 |
| 2007 | $13,575 | 14,703 | 14,703 |
| 2008 | $12,602 | 11,056 | 11,056 |
| 2009 | $17,040 | 22,300 | 22,300 |
| 2010 | $4,252 | 4,207 | 4,207 |
| 2011 | $6,627 | 16,894 | 16,894 |
Note: Quantity represents Weight in kilograms
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