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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $624 | 182 | 182 |
| 2006 | $29 | 11 | 11 |
| 2007 | $13,158 | 12,516 | 12,516 |
| 2008 | $170,438 | 256,087 | 256,087 |
| 2009 | $171,954 | 477,169 | 477,169 |
| 2010 | $149,039 | 262,108 | 262,108 |
| 2011 | $270,411 | 843,915 | 843,915 |
Note: Quantity represents Weight in kilograms
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