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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,218 | 4,105 | 4,105 |
| 2006 | $12,263 | 4,384 | 4,384 |
| 2007 | $9,363 | 6,895 | 6,895 |
| 2008 | $54,943 | 21,168 | 21,168 |
| 2009 | $26,478 | 24,196 | 24,196 |
| 2010 | $97,336 | 42,560 | 42,560 |
| 2011 | $169,345 | 22,881 | 22,881 |
Note: Quantity represents Weight in kilograms
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