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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $220,717 | 18,266 | 18,266 |
| 2006 | $243,806 | 17,730 | 17,730 |
| 2007 | $158,884 | 8,403 | 8,403 |
| 2008 | $78,200 | 4,365 | 4,365 |
| 2009 | $54,425 | 3,395 | 3,395 |
| 2010 | $41,161 | 3,442 | 3,442 |
| 2011 | $66,529 | 3,233 | 3,233 |
Note: Quantity represents Weight in kilograms
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