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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $259 | 60 | 60 |
| 2006 | $27,564 | 3,494 | 3,494 |
| 2007 | $71,873 | 15,049 | 15,049 |
| 2008 | $74,138 | 21,314 | 21,314 |
| 2009 | $47,092 | 10,325 | 10,325 |
| 2010 | $58,571 | 15,589 | 15,589 |
| 2011 | $1,081 | 78 | 78 |
Note: Quantity represents Weight in kilograms
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