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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $339 | 53 | 53 |
| 2006 | $13,371 | 2,203 | 2,203 |
| 2007 | $13,709 | 1,692 | 1,692 |
| 2008 | $40,807 | 9,235 | 9,235 |
| 2009 | $94,188 | 16,504 | 16,504 |
| 2010 | $122,844 | 15,199 | 15,199 |
| 2011 | $95,233 | 11,056 | 11,056 |
Note: Quantity represents Weight in kilograms
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