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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,085 | 6,224 | 6,224 |
| 2006 | $41,201 | 7,183 | 7,183 |
| 2007 | $36,109 | 8,374 | 8,374 |
| 2008 | $55,601 | 15,608 | 15,608 |
| 2009 | $55,269 | 6,417 | 6,417 |
| 2010 | $27,487 | 3,302 | 3,302 |
| 2011 | $2,265 | 2,600 | 2,600 |
Note: Quantity represents Weight in kilograms
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