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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $31,047 | 4,936 | 4,936 |
| 2006 | $18,207 | 2,766 | 2,766 |
| 2007 | $14,776 | 2,130 | 2,130 |
| 2008 | $18,041 | 2,056 | 2,056 |
| 2009 | $27,207 | 3,872 | 3,872 |
| 2010 | $22,345 | 3,603 | 3,603 |
| 2011 | $22,269 | 3,326 | 3,326 |
Note: Quantity represents Weight in kilograms
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