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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,165 | 10,312 | 10,312 |
| 2006 | $3,575 | 6,833 | 6,833 |
| 2007 | $8,672 | 16,144 | 16,144 |
| 2008 | $10,642 | 18,028 | 18,028 |
| 2009 | $3,960 | 3,927 | 3,927 |
| 2010 | $27,431 | 14,764 | 14,764 |
| 2011 | $26,715 | 36,465 | 36,465 |
Note: Quantity represents Weight in kilograms
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