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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,137 | 16,457 | 16,457 |
| 2006 | $7,898 | 8,486 | 8,486 |
| 2007 | $27,820 | 25,013 | 25,013 |
| 2008 | $1,217 | 1,050 | 1,050 |
| 2009 | $4,508 | 3,308 | 3,308 |
| 2010 | $6,263 | 4,165 | 4,165 |
| 2011 | $5,434 | 3,606 | 3,606 |
Note: Quantity represents Weight in kilograms
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