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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,088 | 2,316 | 2,316 |
| 2006 | $6,229 | 3,952 | 3,952 |
| 2007 | $14,370 | 7,182 | 7,182 |
| 2008 | $2,575 | 38,004 | 38,004 |
| 2009 | $116,807 | 36,954 | 36,954 |
| 2010 | $103,558 | 27,177 | 27,177 |
| 2011 | $112,593 | 30,617 | 30,617 |
Note: Quantity represents Weight in kilograms
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