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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $416 | 593 | 593 |
| 2006 | $112 | 97 | 97 |
| 2007 | $533 | 1,160 | 1,160 |
| 2008 | $16,738 | 17,383 | 17,383 |
| 2009 | $31,583 | 44,795 | 44,795 |
| 2010 | $54,589 | 31,981 | 31,981 |
| 2011 | $258,404 | 122,335 | 122,335 |
Note: Quantity represents Weight in kilograms
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