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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,756 | 13,000 | 13,000 |
| 2006 | $16,704 | 13,418 | 13,418 |
| 2007 | $21,358 | 12,632 | 12,632 |
| 2008 | $95,466 | 77,000 | 77,000 |
| 2009 | $90,564 | 78,000 | 78,000 |
| 2010 | $107,729 | 67,000 | 67,000 |
| 2011 | $77,713 | 44,000 | 44,000 |
Note: Quantity represents Weight in kilograms
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