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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,264 | 6,144 | 6,144 |
| 2006 | $10,619 | 8,349 | 8,349 |
| 2007 | $12,940 | 13,708 | 13,708 |
| 2008 | $18,469 | 26,867 | 26,867 |
| 2009 | $14,740 | 17,557 | 17,557 |
| 2010 | $26,671 | 36,229 | 36,229 |
| 2011 | $23,876 | 45,937 | 45,937 |
Note: Quantity represents Weight in kilograms
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