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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,195 | 2,539 | 2,539 |
| 2006 | $1,872 | 1,548 | 1,548 |
| 2007 | $219 | 42 | 42 |
| 2008 | $36,812 | 22,143 | 22,143 |
| 2009 | $29,775 | 30,709 | 30,709 |
| 2010 | $147,086 | 69,405 | 69,405 |
| 2011 | $384,160 | 547,614 | 547,614 |
Note: Quantity represents Weight in kilograms
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