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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,898 | 10,716 | 10,716 |
| 2006 | $40,071 | 12,289 | 12,289 |
| 2007 | $97,880 | 47,529 | 47,529 |
| 2008 | $81,294 | 23,043 | 23,043 |
| 2009 | $92,298 | 41,627 | 41,627 |
| 2010 | $233,417 | 67,018 | 67,018 |
| 2011 | $79,076 | 27,992 | 27,992 |
Note: Quantity represents Weight in kilograms
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