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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $66,501 | 78,843 | 78,843 |
| 2006 | $27,114 | 29,212 | 29,212 |
| 2007 | $14,373 | 14,064 | 14,064 |
| 2008 | $20,213 | 18,460 | 18,460 |
| 2009 | $4,516 | 2,960 | 2,960 |
| 2010 | $16,431 | 12,360 | 12,360 |
| 2011 | $16,699 | 11,520 | 11,520 |
Note: Quantity represents Weight in kilograms
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