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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $815 | 12,713 | 12,713 |
| 2006 | $2,623 | 335 | 335 |
| 2007 | $15,584 | 4,319 | 4,319 |
| 2008 | $39,070 | 6,406 | 6,406 |
| 2009 | $75,368 | 18,627 | 18,627 |
| 2010 | $93,263 | 22,607 | 22,607 |
| 2011 | $29,851 | 9,112 | 9,112 |
Note: Quantity represents Weight in kilograms
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