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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,055 | 808 | 808 |
| 2006 | $2,229 | 374 | 374 |
| 2007 | $22,408 | 2,431 | 2,431 |
| 2008 | $22,217 | 2,755 | 2,755 |
| 2009 | $76,281 | 16,895 | 16,895 |
| 2010 | $29,703 | 5,842 | 5,842 |
| 2011 | $68,637 | 14,180 | 14,180 |
Note: Quantity represents Weight in kilograms
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