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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,000 | 3,000 | 3,000 |
| 2006 | $13,195 | 4,600 | 4,600 |
| 2007 | $36,459 | 6,317 | 6,317 |
| 2008 | $4,138 | 3,318 | 3,318 |
| 2009 | $17,433 | 10,542 | 10,542 |
| 2010 | $38,808 | 44,677 | 44,677 |
| 2011 | $38,029 | 21,304 | 21,304 |
Note: Quantity represents Weight in kilograms
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