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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,418 | 10,000 | 10,000 |
| 2006 | $114,123 | 24,086 | 24,086 |
| 2007 | $235,202 | 47,328 | 47,328 |
| 2008 | $282,495 | 54,415 | 54,415 |
| 2009 | $163,726 | 32,523 | 32,523 |
| 2010 | $103,095 | 28,038 | 28,038 |
| 2011 | $212,759 | 33,865 | 33,865 |
Note: Quantity represents Weight in kilograms
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