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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,410 | 643 | 643 |
| 2006 | $15,475 | 1,364 | 1,364 |
| 2007 | $33,814 | 1,690 | 1,690 |
| 2008 | $78,234 | 12,464 | 12,464 |
| 2009 | $88,338 | 6,653 | 6,653 |
| 2010 | $48,340 | 39,445 | 39,445 |
| 2011 | $103,325 | 33,766 | 33,766 |
Note: Quantity represents Weight in kilograms
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