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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,049 | 9,508 | 9,508 |
| 2006 | $15,360 | 3,883 | 3,883 |
| 2007 | $26,318 | 9,339 | 9,339 |
| 2008 | $11,039 | 1,993 | 1,993 |
| 2009 | $94,269 | 31,626 | 31,626 |
| 2010 | $29,829 | 3,177 | 3,177 |
| 2011 | $23,816 | 1,532 | 1,532 |
Note: Quantity represents Weight in kilograms
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