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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,371 | 7,061 | 7,061 |
| 2006 | $38,347 | 4,529 | 4,529 |
| 2007 | $67,284 | 7,233 | 7,233 |
| 2008 | $145,038 | 13,305 | 13,305 |
| 2009 | $20,719 | 2,147 | 2,147 |
| 2010 | $17,879 | 1,531 | 1,531 |
| 2011 | $17,463 | 1,984 | 1,984 |
Note: Quantity represents Weight in kilograms
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