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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,190 | 13,347 | 13,347 |
| 2006 | $55,832 | 20,153 | 20,153 |
| 2007 | $27,996 | 11,910 | 11,910 |
| 2008 | $150,947 | 34,142 | 34,142 |
| 2009 | $79,166 | 25,554 | 25,554 |
| 2010 | $87,984 | 22,591 | 22,591 |
| 2011 | $115,704 | 29,503 | 29,503 |
Note: Quantity represents Weight in kilograms
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