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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,971 | 2,160 | 2,160 |
| 2006 | $4,094 | 854 | 854 |
| 2007 | $20,690 | 4,258 | 4,258 |
| 2008 | $21,158 | 4,377 | 4,377 |
| 2009 | $35,468 | 4,927 | 4,927 |
| 2010 | $89,398 | 22,172 | 22,172 |
| 2011 | $27,193 | 2,561 | 2,561 |
Note: Quantity represents Weight in kilograms
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