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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $180,195 | 10,719 | 10,719 |
| 2006 | $281,105 | 9,751 | 9,751 |
| 2007 | $360,894 | 8,463 | 8,463 |
| 2008 | $677,848 | 10,857 | 10,857 |
| 2009 | $337,230 | 4,720 | 4,720 |
| 2010 | $327,624 | 4,592 | 4,592 |
| 2011 | $376,812 | 3,500 | 3,500 |
Note: Quantity represents Weight in kilograms
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