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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,553 | 2,367 | 2,367 |
| 2006 | $6,358 | 3,348 | 3,348 |
| 2007 | $6,526 | 3,769 | 3,769 |
| 2008 | $6,868 | 4,103 | 4,103 |
| 2009 | $8,192 | 6,600 | 6,600 |
| 2010 | $3,027 | 2,086 | 2,086 |
| 2011 | $3,096 | 2,246 | 2,246 |
Note: Quantity represents Weight in kilograms
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