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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,985 | 4,505 | 4,505 |
| 2006 | $26,188 | 7,742 | 7,742 |
| 2007 | $797 | 2,065 | 2,065 |
| 2008 | $4,792 | 694 | 694 |
| 2009 | $64,551 | 20,669 | 20,669 |
| 2010 | $110,528 | 41,347 | 41,347 |
| 2011 | $97,581 | 32,462 | 32,462 |
Note: Quantity represents Weight in kilograms
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