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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,568 | 168 | 168 |
| 2006 | $12,339 | 548 | 548 |
| 2007 | $105,426 | 1,633 | 1,633 |
| 2008 | $8,366 | 3,054 | 3,054 |
| 2009 | $76,129 | 965 | 965 |
| 2010 | $36,664 | 17,406 | 17,406 |
| 2011 | $161,329 | 14,808 | 14,808 |
Note: Quantity represents Weight in kilograms
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