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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $970 | 634 | 634 |
| 2006 | $59,058 | 33,258 | 33,258 |
| 2007 | $29,558 | 22,098 | 22,098 |
| 2008 | $7,120 | 8,341 | 8,341 |
| 2009 | $36,108 | 77,956 | 77,956 |
| 2010 | $55,242 | 31,540 | 31,540 |
| 2011 | $7,214 | 12,334 | 12,334 |
Note: Quantity represents Weight in kilograms
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