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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $686 | 273 | 273 |
| 2006 | $902 | 299 | 299 |
| 2007 | $35,644 | 21,893 | 21,893 |
| 2008 | $53,221 | 16,377 | 16,377 |
| 2009 | $107,382 | 108,457 | 108,457 |
| 2010 | $80,356 | 124,040 | 124,040 |
| 2011 | $133,709 | 142,616 | 142,616 |
Note: Quantity represents Weight in kilograms
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