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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,940 | 10,800 | 10,800 |
| 2006 | $32,328 | 16,223 | 16,223 |
| 2007 | $64,379 | 20,202 | 20,202 |
| 2008 | $20,408 | 12,241 | 12,241 |
| 2009 | $32,041 | 13,762 | 13,762 |
| 2010 | $27,500 | 12,096 | 12,096 |
| 2011 | $28,637 | 7,753 | 7,753 |
Note: Quantity represents Weight in kilograms
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