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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $51,481 | 23,640 | 23,640 |
| 2006 | $64,158 | 31,571 | 31,571 |
| 2007 | $39,553 | 20,644 | 20,644 |
| 2008 | $65,394 | 29,225 | 29,225 |
| 2009 | $55,389 | 29,437 | 29,437 |
| 2010 | $60,353 | 37,744 | 37,744 |
| 2011 | $65,285 | 27,829 | 27,829 |
Note: Quantity represents Weight in kilograms
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