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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $89 | 1 | 1 |
| 2006 | $46,553 | 2,972 | 2,972 |
| 2007 | $135,233 | 4,508 | 4,508 |
| 2008 | $32,119 | 3,037 | 3,037 |
| 2009 | $22,340 | 1,960 | 1,960 |
| 2010 | $116,732 | 8,590 | 8,590 |
| 2011 | $102,526 | 11,213 | 11,213 |
Note: Quantity represents Weight in kilograms
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