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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,633 | 12,300 | 12,300 |
| 2006 | $13,243 | 12,460 | 12,460 |
| 2007 | $23,732 | 12,188 | 12,188 |
| 2008 | $32,704 | 11,378 | 11,378 |
| 2009 | $23,809 | 11,631 | 11,631 |
| 2010 | $2,583 | 1,266 | 1,266 |
| 2011 | $24,429 | 16,184 | 16,184 |
Note: Quantity represents Weight in kilograms
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