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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,415 | 87 | 87 |
| 2006 | $1,400 | 12,483 | 12,483 |
| 2007 | $23,323 | 1,275 | 1,275 |
| 2008 | $1,137 | 19,893 | 19,893 |
| 2009 | $4,239 | 36,073 | 36,073 |
| 2010 | $91,405 | 2,405 | 2,405 |
| 2011 | $97,938 | 3,691 | 3,691 |
Note: Quantity represents Weight in kilograms
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