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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $133,272 | 4,468 | 4,468 |
| 2006 | $35,569 | 662 | 662 |
| 2007 | $9,294 | 226 | 226 |
| 2008 | $50,827 | 1,550 | 1,550 |
| 2009 | $121,126 | 2,616 | 2,616 |
| 2010 | $256,563 | 5,569 | 5,569 |
| 2011 | $280,110 | 8,058 | 8,058 |
Note: Quantity represents Weight in kilograms
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