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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $121,425 | 31,186 | 31,186 |
| 2006 | $45,504 | 9,019 | 9,019 |
| 2007 | $68,962 | 11,506 | 11,506 |
| 2008 | $126,866 | 33,404 | 33,404 |
| 2009 | $16,833 | 1,505 | 1,505 |
| 2010 | $9,663 | 870 | 870 |
| 2011 | $18,110 | 1,180 | 1,180 |
Note: Quantity represents Weight in kilograms
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