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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $116,650 | 72,757 | 72,757 |
| 2006 | $74,321 | 21,155 | 21,155 |
| 2007 | $57,505 | 31,278 | 31,278 |
| 2008 | $152,211 | 61,193 | 61,193 |
| 2009 | $247,329 | 171,551 | 171,551 |
| 2010 | $280,121 | 133,218 | 133,218 |
| 2011 | $104,896 | 41,845 | 41,845 |
Note: Quantity represents Weight in kilograms
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