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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $78,313 | 25,728 | 25,728 |
| 2006 | $125,630 | 35,573 | 35,573 |
| 2007 | $167,611 | 45,172 | 45,172 |
| 2008 | $135,931 | 49,798 | 49,798 |
| 2009 | $162,746 | 23,451 | 23,451 |
| 2010 | $254,370 | 33,611 | 33,611 |
| 2011 | $203,061 | 28,572 | 28,572 |
Note: Quantity represents Weight in kilograms
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